Analysis
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max time kernel
40s -
max time network
45s -
platform
windows7_x64 -
resource
win7-20220331-en -
submitted
06-04-2022 10:57
General
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Target
MIDNIGHT FREE.exe
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Size
274KB
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MD5
1c91e5d2ec946bebc3f2d3c86f561ad9
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SHA1
0f997064da90f57dd60497a4083eb0c9d58a6e21
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SHA256
00050076a05669ce423524fae8c5d6cd1ee3aa837551d2c7441f1b91c95e77f3
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SHA512
d1832b1e529a972752908b23a1cd213b0f577adb14a58bdf8b0638b648bb8a65b2bb1242dda708752c13a2072bc4c46dacbd2542ec68786e90c12fd407ca497f
Malware Config
Extracted
44caliber
https://discord.com/api/webhooks/947555841488347216/rMsrx_TAUpM8FA4yu065H2_WTcmcn84Cqs68brvjiT1JHJoQXfI7iKRbZfQV6tuF0SbO
Signatures
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44Caliber
An open source infostealer written in C#.
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Detected executables Discord URL observed in first stage droppers 1 IoCs
DISCORD URLS.
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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\MIDNIGHT FREE.exe"C:\Users\Admin\AppData\Local\Temp\MIDNIGHT FREE.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
8KB