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EMBEERESEARCH_Win_Berbew_Strings_Dec_2023

Strings observed in Berbew malware.

MalwareEmbee ResearchDetection Rule License 1.1Compiles with YARA-X
Author
Matthew @ Embee_Research
Date
2023-12-24
Modified
2023-12-26
Score / Quality
75 / 75

What this rule detects

Strings observed in Berbew malware.

It defines 3 patterns (3 text, 0 hex, 0 regex).

Summary generated from the rule's metadata and condition.

Rule source

win-berbew-strings-dec-2023.yarDetection Rule License 1.1
rule EMBEERESEARCH_Win_Berbew_Strings_Dec_2023
{
	meta:
		description = "Strings observed in Berbew malware."
		author = "Matthew @ Embee_Research"
		id = "402711af-c543-5c95-ae9e-e663825b6653"
		date = "2023-12-24"
		modified = "2023-12-26"
		reference = "https://github.com/embee-research/Yara-detection-rules/"
		source_url = "https://github.com/embee-research/Yara-detection-rules//blob/ac56d6f6fd2a30c8cb6e5c0455d6519210a8b0f4/Rules/win_berbew_strings_dec_2023.yar#L1-L19"
		license_url = "N/A"
		hash = "24dc0af3c51118697df999d8bffcdfc9cbf0d07f2630473450dd826a1ae4b9ae"
		logic_hash = "a7f687e749ec69961777063d52678461a8e288c80037fac051d7b1a5b568d9e8"
		score = 75
		quality = 75
		tags = ""

	strings:
		$s1 = "This KEWL STUFF was coded by V. V. PUPKIN"
		$s2 = "REAL CASH, REAL BITCHEZ"
		$s3 = "Please, enter your Card Number"

	condition:
		all of them
}

Strings (3 patterns)

IdentifierTypeValueModifiers
$s1text"This KEWL STUFF was coded by V. V. PUPKIN"
$s2text"REAL CASH, REAL BITCHEZ"
$s3text"Please, enter your Card Number"

Condition

all of them

In plain words (Heuristic)

  • All patterns in the rule must match.

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References

Sample hashes

Hashes of samples the author lists in the rule's meta (look them up in your threat-intelligence platform).

  • 24dc0af3c51118697df999d8bffcdfc9cbf0d07f2630473450dd826a1ae4b9ae

Licence & attribution

Author: Matthew @ 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: 402711af-c543-5c95-ae9e-e663825b6653