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Analysis
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max time kernel
41s -
max time network
50s -
platform
windows7_x64 -
resource
win7-20220901-en -
resource tags
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submitted
07/11/2022, 14:20
General
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Target
f871efc0cdf5446908e436de9ed821ff0ec5e217c50c16e69e3d0e83f6257f0f.exe
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Size
263KB
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MD5
9d016244b7f58fa5e974ef5f6e1ae54e
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SHA1
001bc943725ab768f8b8ecb2c9d3ae328f33c78b
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SHA256
f871efc0cdf5446908e436de9ed821ff0ec5e217c50c16e69e3d0e83f6257f0f
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SHA512
292c222ca38e12c933769e128c9682a23719204214c1aca7e585eb1ef6c8c8b2090514298df16fe8b233482d8a7dedddd402c7db1d90aae8ea67915a2ff422d7
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SSDEEP
6144:iBr9fEjPswpzDFi2XFF47RpYlvP8kq/ac6:DjPskM2Xv47RGlvy/ac6
Malware Config
Signatures
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Chaos
Ransomware family first seen in June 2021.
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Chaos Ransomware 4 IoCs
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Executes dropped EXE 1 IoCs
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Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.
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Program crash 1 IoCs
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Suspicious behavior: EnumeratesProcesses 3 IoCs
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Suspicious use of AdjustPrivilegeToken 2 IoCs
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Suspicious use of WriteProcessMemory 6 IoCs
Processes
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C:\Users\Admin\AppData\Local\Temp\f871efc0cdf5446908e436de9ed821ff0ec5e217c50c16e69e3d0e83f6257f0f.exe"C:\Users\Admin\AppData\Local\Temp\f871efc0cdf5446908e436de9ed821ff0ec5e217c50c16e69e3d0e83f6257f0f.exe"1⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
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C:\Users\Admin\AppData\Roaming\svchost.exe"C:\Users\Admin\AppData\Roaming\svchost.exe"2⤵
- Executes dropped EXE
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
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C:\Windows\system32\WerFault.exeC:\Windows\system32\WerFault.exe -u -p 276 -s 5643⤵
- Program crash
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Network
MITRE ATT&CK Enterprise v6
Replay Monitor
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Downloads
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Filesize
263KB
MD59d016244b7f58fa5e974ef5f6e1ae54e
SHA1001bc943725ab768f8b8ecb2c9d3ae328f33c78b
SHA256f871efc0cdf5446908e436de9ed821ff0ec5e217c50c16e69e3d0e83f6257f0f
SHA512292c222ca38e12c933769e128c9682a23719204214c1aca7e585eb1ef6c8c8b2090514298df16fe8b233482d8a7dedddd402c7db1d90aae8ea67915a2ff422d7
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Filesize
263KB
MD59d016244b7f58fa5e974ef5f6e1ae54e
SHA1001bc943725ab768f8b8ecb2c9d3ae328f33c78b
SHA256f871efc0cdf5446908e436de9ed821ff0ec5e217c50c16e69e3d0e83f6257f0f
SHA512292c222ca38e12c933769e128c9682a23719204214c1aca7e585eb1ef6c8c8b2090514298df16fe8b233482d8a7dedddd402c7db1d90aae8ea67915a2ff422d7
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Filesize
288KB
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Filesize
288KB