Analysis
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max time kernel
136s -
max time network
150s -
platform
windows7_x64 -
resource
win7-20241010-en -
resource tags
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submitted
24/02/2025, 10:11
General
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Target
package/MaskDoc.exe
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Size
63KB
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MD5
6dcc71ba39c9c398a1da7fc19f7aa838
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SHA1
842793fb82f3baa7ff645e314ee2d33311a20b50
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SHA256
c5699d2d486747254907bd61a57f2f3ffb143ef357d42147295d6ce52aef1a97
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SHA512
a94f4f96e47a20362dd773517c89e792111a0563aa13ec1c9afc8ed60e1c31fd576f50707bb10c78360f95a8fd09021782aaad42bf5c8cb33f13d6b8ef519e30
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SSDEEP
768:2LMx2GXnvoLan/vhZ97F6Zkkj6KED2KnSM6pG+VHYnPqi4R43Q+:2LMxfvomxnF6ZkNjS/G+CnPYot
Malware Config
Signatures
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FatalRat
FatalRat is a modular infostealer family written in C++ first appearing in June 2021.
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Fatalrat family
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Fatal Rat payload 2 IoCs
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Enumerates connected drives 3 TTPs 22 IoCs
Attempts to read the root path of hard drives other than the default C: drive.
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System Location Discovery: System Language Discovery 1 TTPs 1 IoCs
Attempt gather information about the system language of a victim in order to infer the geographical location of that host.
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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 29 IoCs
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Suspicious use of AdjustPrivilegeToken 2 IoCs
Processes
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C:\Users\Admin\AppData\Local\Temp\package\MaskDoc.exe"C:\Users\Admin\AppData\Local\Temp\package\MaskDoc.exe"1⤵
- Enumerates connected drives
- System Location Discovery: System Language Discovery
- Checks processor information in registry
- 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
236KB
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Filesize
200KB
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Filesize
168KB
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Filesize
236KB
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Filesize
200KB