Analysis
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max time kernel
148s -
max time network
154s -
platform
windows10-2004_x64 -
resource
win10v2004-20241007-en -
resource tags
arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system -
submitted
04-12-2024 01:54
Behavioral task
behavioral1
Sample
Yashma ransomware builder v1.2.exe
Resource
win7-20240903-en
windows7-x64
5 signatures
150 seconds
Behavioral task
behavioral2
Sample
Yashma ransomware builder v1.2.exe
Resource
win10v2004-20241007-en
windows10-2004-x64
5 signatures
150 seconds
General
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Target
Yashma ransomware builder v1.2.exe
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Size
825KB
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MD5
5120e2ada300c2eef255957dde5b84b0
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SHA1
dfb5c0b29fb235d34e851de234535474705be356
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SHA256
b24d58cd8d600431702b67fb815a92f465147553303c0f8a1867af77214dba75
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SHA512
958f089a7060188213dd00f6d73bbd625a89f98ccc0b5bf7b5963a3ef40677846e03a33866b79cec92fd29709ff8f0bd9a753397ef07f25779aedb02884d9f8c
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SSDEEP
6144:aMPUfX5X2onFLfFLzFL6FL6aGMVFLQ+FWD/:aLJX8QD
Score
10/10
Malware Config
Signatures
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Chaos
Ransomware family first seen in June 2021.
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Chaos Ransomware 1 IoCs
resource yara_rule behavioral2/memory/4772-1-0x0000021004B60000-0x0000021004C34000-memory.dmp family_chaos -
Chaos family
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Suspicious behavior: EnumeratesProcesses 24 IoCs
pid Process 4772 Yashma ransomware builder v1.2.exe 4772 Yashma ransomware builder v1.2.exe 4772 Yashma ransomware builder v1.2.exe 4772 Yashma ransomware builder v1.2.exe 4772 Yashma ransomware builder v1.2.exe 4772 Yashma ransomware builder v1.2.exe 4772 Yashma ransomware builder v1.2.exe 4772 Yashma ransomware builder v1.2.exe 4772 Yashma ransomware builder v1.2.exe 4772 Yashma ransomware builder v1.2.exe 4772 Yashma ransomware builder v1.2.exe 4772 Yashma ransomware builder v1.2.exe 4772 Yashma ransomware builder v1.2.exe 4772 Yashma ransomware builder v1.2.exe 4772 Yashma ransomware builder v1.2.exe 4772 Yashma ransomware builder v1.2.exe 4772 Yashma ransomware builder v1.2.exe 4772 Yashma ransomware builder v1.2.exe 4772 Yashma ransomware builder v1.2.exe 4772 Yashma ransomware builder v1.2.exe 4772 Yashma ransomware builder v1.2.exe 4772 Yashma ransomware builder v1.2.exe 4772 Yashma ransomware builder v1.2.exe 4772 Yashma ransomware builder v1.2.exe -
Suspicious use of AdjustPrivilegeToken 1 IoCs
description pid Process Token: SeDebugPrivilege 4772 Yashma ransomware builder v1.2.exe