Analysis
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max time kernel
4294182s -
max time network
125s -
platform
windows7_x64 -
resource
win7-20220223-en -
submitted
01-03-2022 18:14
General
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Target
e2a4b8f1733623c4e27c1dd9395c18d5d95c841608e5b9408064c68cb805daf3.exe
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Size
274KB
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MD5
d850408d43f12ce7d4a57f961dc489e1
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SHA1
415bdb2dc0c9f420cc9a17f38ed1922555020736
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SHA256
e2a4b8f1733623c4e27c1dd9395c18d5d95c841608e5b9408064c68cb805daf3
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SHA512
b978bc5c9a347b0abf7f1e363e52c86d5eb69ecbf2fcfe934b94c1b941e271c6eea4e5fa68f328e845a73be2ad4ea9b33ecaf07a68d62d123318f8ac0e72e185
Malware Config
Extracted
44caliber
https://discord.com/api/webhooks/943141900322476072/GjK61zorb3nwVtePBP3tyPQUgQCr3kslJErtnc3dnzL700s3K1KFQ-Qqkf6KqjfMCfjF
Signatures
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44Caliber
An open source infostealer written in C#.
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Reads user/profile data of web browsers 2 TTPs
Infostealers often target stored browser data, which can include saved credentials etc.
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Accesses cryptocurrency files/wallets, possible credential harvesting 2 TTPs
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Looks up external IP address via web service 2 IoCs
Uses a legitimate IP lookup service to find the infected system's external IP.
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Checks processor information in registry 2 TTPs 2 IoCs
Processor information is often read in order to detect sandboxing environments.
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Suspicious behavior: EnumeratesProcesses 4 IoCs
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Suspicious use of AdjustPrivilegeToken 1 IoCs
Processes
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C:\Users\Admin\AppData\Local\Temp\e2a4b8f1733623c4e27c1dd9395c18d5d95c841608e5b9408064c68cb805daf3.exe"C:\Users\Admin\AppData\Local\Temp\e2a4b8f1733623c4e27c1dd9395c18d5d95c841608e5b9408064c68cb805daf3.exe"1⤵
- Checks processor information in registry
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
Network
MITRE ATT&CK Enterprise v6
Replay Monitor
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Downloads
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Filesize
296KB
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Filesize
4KB
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Filesize
8KB