Analysis
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max time kernel
4294179s -
max time network
122s -
platform
windows7_x64 -
resource
win7-20220223-en -
submitted
01-03-2022 18:12
General
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Target
98e1550881100955bf59a6b3120a60f45bf4bb91852c5e18fa24ed1affee40ab.exe
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Size
274KB
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MD5
75773d8c669299b98c644fbb7d322fa1
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SHA1
0b3a278bb23ae6f7d6b23ea792b830bc7b0fa949
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SHA256
98e1550881100955bf59a6b3120a60f45bf4bb91852c5e18fa24ed1affee40ab
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SHA512
7468405e821a76d11abaf05c85360c85addebb1cd015b2cde91801163eeafde385362b09739f2b485d942aa1a812814de9e4f87b0ac5c3aebc29f7d5531b0698
Malware Config
Extracted
44caliber
https://discord.com/api/webhooks/940987810394034176/DvPFN05_G7rxFlIjCTa9Gz9OX9Q2zMua7Rt4Q_CF-_Bpxe0HOtLB2QK7X8d0bNwVNl6l
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\98e1550881100955bf59a6b3120a60f45bf4bb91852c5e18fa24ed1affee40ab.exe"C:\Users\Admin\AppData\Local\Temp\98e1550881100955bf59a6b3120a60f45bf4bb91852c5e18fa24ed1affee40ab.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