Analysis
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max time kernel
120s -
max time network
129s -
platform
windows7_x64 -
resource
win7-en-20211208 -
submitted
01-03-2022 18:14
General
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Target
f33ce8a56f6e635e42844edbd03569120d56c28dbb902a87316687667ff6c6b9.exe
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Size
252KB
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MD5
727f871c6a9151b9c7edd435b2e0a4a0
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SHA1
2a857cbe7c20a04cb668045d8f2bb0241ec7a4ce
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SHA256
f33ce8a56f6e635e42844edbd03569120d56c28dbb902a87316687667ff6c6b9
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SHA512
f95ce1f9b33d38c3ac4e66ad945673c35aa730dacb0bc9426367f28241a79daa9a51ad145526f6aed8034972168ed55cf4e432e1a257fc9a72ca913cb93cb6d4
Malware Config
Extracted
44caliber
https://discordapp.com/api/webhooks/941986689709137930/LKCHnOiVuh0n3jE7BdB9bpDlzvK0fX8pEXx58iWJcCPcde_CC8MD15H7kSkIFx040A5u
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\f33ce8a56f6e635e42844edbd03569120d56c28dbb902a87316687667ff6c6b9.exe"C:\Users\Admin\AppData\Local\Temp\f33ce8a56f6e635e42844edbd03569120d56c28dbb902a87316687667ff6c6b9.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
280KB
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Filesize
4KB
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Filesize
8KB