Analysis
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max time kernel
4294181s -
max time network
124s -
platform
windows7_x64 -
resource
win7-20220223-en -
submitted
01-03-2022 18:12
General
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Target
b05617170e474f6689b3c8bbf653e48b3b335d9924140f891a44327fe10cec8b.exe
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Size
274KB
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MD5
1774b03fe04c0912378903346f6d807a
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SHA1
33fbaeeb05bfe3e985af80a4f400dbc236fa51bd
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SHA256
b05617170e474f6689b3c8bbf653e48b3b335d9924140f891a44327fe10cec8b
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SHA512
8a76d27bc58ccc481bbdaa726483bf84b8a5c3e6512b6259a26b64fffea697900edc1efe5405c9b6a6ac61fbcc8bc0653b506692dde7f1c1251692595bd4aec0
Malware Config
Extracted
44caliber
https://discord.com/api/webhooks/943405830781427732/bWrTiH0DBogSkJQzwQGoq_flifTRESk2r9Ezawioxg9zPGU0YKxSBP93A3sfQaAMshgX
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\b05617170e474f6689b3c8bbf653e48b3b335d9924140f891a44327fe10cec8b.exe"C:\Users\Admin\AppData\Local\Temp\b05617170e474f6689b3c8bbf653e48b3b335d9924140f891a44327fe10cec8b.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