Analysis
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max time kernel
1s -
max time network
7s -
platform
windows11-21h2_x64 -
resource
win11-20240802-en -
resource tags
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submitted
23-09-2024 09:58
General
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Target
NurikCrack/nurik/NursultanInstall.exe
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Size
303KB
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MD5
face0aff265464e545a9073824a5874d
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SHA1
04a59c0f10af4e1febaef3a70924d45df8834f4c
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SHA256
2fb096a7b9847060f61b8f936b5462fdc60d37b2bc1e9bb1bf03e828e92cdf48
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SHA512
9409ecd708da4f57b133546e1ace6aa78e99fa98de58c8e70608a7c138f7d1a0cd370d062714c68f36f441d9e9212c3e7898c6bf5df8c44b02270ba798c038e8
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SSDEEP
6144:y/2T6MDdbICydeBoKEG4pSJfNtvurxmI1D0Po+:y/8bEG4p6fIb1DJ+
Malware Config
Extracted
44caliber
https://discord.com/api/webhooks/1255267341017550858/gDHwLRcJ5Z6vxkhOt8ckW-l8jpv2WEDTg_SHcL4h0K-yY_7I4qbWTz88XckD4XUGvzOw
Signatures
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44Caliber
An open source infostealer written in C#.
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Credentials from Password Stores: Credentials from Web Browsers 1 TTPs
Malicious Access or copy of Web Browser Credential store.
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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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Suspicious behavior: EnumeratesProcesses 3 IoCs
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Suspicious use of AdjustPrivilegeToken 1 IoCs
Processes
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C:\Users\Admin\AppData\Local\Temp\NurikCrack\nurik\NursultanInstall.exe"C:\Users\Admin\AppData\Local\Temp\NurikCrack\nurik\NursultanInstall.exe"1⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
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Filesize
8KB
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Filesize
328KB
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Filesize
10.8MB
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Filesize
10.8MB