Skip to content

YARA · Embee Research

EMBEERESEARCH_Win_Qakbot_Api_Hashing_Oct_2022

No description has been set in the source file - EmbeeResearch

MalwareQakbotEmbee ResearchDetection Rule License 1.1Compiles with YARA-X
Author
@Embee_Research
Date
2022-11-14
Modified
2022-12-01
Score / Quality
75 / 75

What this rule detects

No description has been set in the source file - EmbeeResearch

Associated malware family: Qakbot.

It defines 1 patterns (0 text, 1 hex, 0 regex).

Summary generated from the rule's metadata and condition.

Rule source

win-qakbot-api-hashing-oct-2022.yarDetection Rule License 1.1
rule EMBEERESEARCH_Win_Qakbot_Api_Hashing_Oct_2022 : FILE
{
	meta:
		description = "No description has been set in the source file - EmbeeResearch"
		author = "@Embee_Research"
		id = "b5478404-659d-5b3a-b722-f8ba33875d8a"
		date = "2022-11-14"
		modified = "2022-12-01"
		reference = "https://twitter.com/embee_research/status/1592067841154756610"
		source_url = "https://github.com/embee-research/Yara-detection-rules//blob/ac56d6f6fd2a30c8cb6e5c0455d6519210a8b0f4/Rules/2022/win_qakbot_api_hashing_oct_2022.yar#L2-L21"
		license_url = "N/A"
		logic_hash = "595cabd508ee60c5606f965eb9a290ae21ea32af0f56e213f6ce2d2e35dc4e11"
		score = 75
		quality = 75
		tags = "FILE"
		vendor = "Huntress Labs"

	strings:
		$qakbot_hashing = {0f b6 04 39 33 f0 8b c6 c1 ee 04 83 e0 0f 33 34 85 ?? ?? ?? ?? 8b c6 c1 ee 04 83 e0 0f 33 34 85 ?? ?? ?? ?? 41 3b ca}

	condition:
		any of them
}

Strings (1 patterns)

IdentifierTypeValueModifiers
$qakbot_hashinghex{0f b6 04 39 33 f0 8b c6 c1 ee 04 83 e0 0f 33 34 85 ?? ?? ?? ?? 8b c6 c1 ee 04 83 e0 0f 33 34 85 ?? ?? ?? ?? 41 3b ca}

Condition

any of them

In plain words (Heuristic)

  • At least one pattern in the rule must match.

Test this rule in your browser

Drop a file to scan it with this rule using YARA-X compiled to WebAssembly. Nothing is uploaded.

Drop a file here or click to chooseScanned locally with YARA-X. Files up to 200 MB.

Open in editor

References

Licence & attribution

Author: @Embee_Research

Source repository: Embee Research @ ac56d6f6fd

Licence: Detection Rule License 1.1 (repository licence)

Original rule

Mirrored via YARA Forge 20260927, which prefixes rule names with the source and adds normalised meta fields.

Rule id: b5478404-659d-5b3a-b722-f8ba33875d8a

Metadata

vendorHuntress Labs

Tags:FILE

More Qakbot rules