Analysis
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max time kernel
150s -
max time network
159s -
platform
windows10-2004_x64 -
resource
win10v2004-en-20220112 -
submitted
01-03-2022 18:14
General
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Target
f4e2d60c89b54fb08cc1c076c24ddc32eb9c76edd755d0482393ece4ec7cc88c.exe
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Size
274KB
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MD5
12f3e4333d55b5d594b92ce287f07cba
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SHA1
cd61c5c8d69eae04e6664fc73de00b321cd6e0ad
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SHA256
f4e2d60c89b54fb08cc1c076c24ddc32eb9c76edd755d0482393ece4ec7cc88c
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SHA512
db636c9840e7848c42c848378bd67f7b709ec8ed23054e52b91c1a83a87016fd6aa13a88d2255d3f7513f339cd47caca9b7b3539164d0d5c0c8599862d7a6417
Malware Config
Extracted
44caliber
https://discord.com/api/webhooks/944694495864324096/JxSzUctA9w9IsAKny1lOVf3Zmy8rRcGtIlJwQG2L-mP1ThdvUPHl6Hed3NdVLXwrPJ4m
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\f4e2d60c89b54fb08cc1c076c24ddc32eb9c76edd755d0482393ece4ec7cc88c.exe"C:\Users\Admin\AppData\Local\Temp\f4e2d60c89b54fb08cc1c076c24ddc32eb9c76edd755d0482393ece4ec7cc88c.exe"1⤵
- Checks processor information in registry
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
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C:\Windows\system32\svchost.exeC:\Windows\system32\svchost.exe -k wusvcs -p1⤵
Network
MITRE ATT&CK Enterprise v6
Replay Monitor
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Downloads
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Filesize
296KB
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Filesize
8KB
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Filesize
8KB