Analysis
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max time kernel
57s -
max time network
58s -
platform
windows7_x64 -
resource
win7v20201028 -
submitted
25-01-2021 14:29
General
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Target
Quotation for T10495.exe
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Size
839KB
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MD5
d892c2e082b3661fd12780ff6112f012
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SHA1
173e58e5fc2e1db19e71b1f94d0583304a20d325
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SHA256
1fbdb4d5cc70b77728853bf7dd9c53b8f2cd49055503be07ea3a13e7459757c7
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SHA512
ca97cbec9c37bc512b46462d81347cf6b628b62bf5dbfe9a2115d1c9d548f6d935383b1cb0e612c5f5e28e294414d2f628c605134f0288c867f46427d8899d7b
Malware Config
Signatures
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Snake Keylogger
Keylogger and Infostealer first seen in November 2020.
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Snake Keylogger Payload 3 IoCs
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Reads user/profile data of local email clients 2 TTPs
Email clients store some user data on disk where infostealers will often target it.
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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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Looks up external IP address via web service 3 IoCs
Uses a legitimate IP lookup service to find the infected system's external IP.
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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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Suspicious use of SetThreadContext 1 IoCs
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Creates scheduled task(s) 1 TTPs 1 IoCs
Schtasks is often used by malware for persistence or to perform post-infection execution.
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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 17 IoCs
Processes
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C:\Users\Admin\AppData\Local\Temp\Quotation for T10495.exe"C:\Users\Admin\AppData\Local\Temp\Quotation for T10495.exe"1⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
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C:\Windows\SysWOW64\schtasks.exe"C:\Windows\System32\schtasks.exe" /Create /TN "Updates\fcFXZHSqEE" /XML "C:\Users\Admin\AppData\Local\Temp\tmpDE00.tmp"2⤵
- Creates scheduled task(s)
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C:\Users\Admin\AppData\Local\Temp\Quotation for T10495.exe"{path}"2⤵
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C:\Users\Admin\AppData\Local\Temp\Quotation for T10495.exe"{path}"2⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
Network
MITRE ATT&CK Matrix ATT&CK v6
Replay Monitor
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Downloads
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C:\Users\Admin\AppData\Local\Temp\tmpDE00.tmpMD5
041d4a69a0b87443bf152a3fdd01c5cc
SHA1cb4edfe8b1af1d536ca3bf8b5abeee1619a859f9
SHA2563f5a57eb69e21287c6d07a00498e1a895f7d80c98be6facb784292ed80d67bd7
SHA5129e4a3b2af60d1677415dc69685aba0dbbb8773f851ba80ddbe16f66f9c7f00b8424c787ae2554381a49e8b21c0947a508bac5392ed60ba941d0f80824e824730
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memory/316-8-0x0000000000000000-mapping.dmp
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memory/520-10-0x0000000000400000-0x000000000046A000-memory.dmpFilesize
424KB
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memory/520-11-0x00000000004642CE-mapping.dmp
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memory/520-12-0x00000000740B0000-0x000000007479E000-memory.dmpFilesize
6.9MB
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memory/520-13-0x0000000000400000-0x000000000046A000-memory.dmpFilesize
424KB
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memory/520-15-0x0000000004D10000-0x0000000004D11000-memory.dmpFilesize
4KB
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memory/1064-2-0x00000000740B0000-0x000000007479E000-memory.dmpFilesize
6.9MB
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memory/1064-3-0x0000000000E00000-0x0000000000E01000-memory.dmpFilesize
4KB
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memory/1064-5-0x00000000005C0000-0x00000000005C1000-memory.dmpFilesize
4KB
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memory/1064-6-0x00000000002D0000-0x00000000002DE000-memory.dmpFilesize
56KB
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memory/1064-7-0x0000000005520000-0x00000000055CE000-memory.dmpFilesize
696KB