Analysis
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max time kernel
139s -
max time network
141s -
platform
windows10_x64 -
resource
win10v20201028 -
submitted
28-01-2021 23:54
General
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Target
SecuriteInfo.com.Trojan.Packed2.42783.9831.18705.exe
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Size
1.2MB
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MD5
263f0b35e5768e624a84ac122bbf6a8c
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SHA1
53b6283cf3fe925f008ff5e75bb9f59ec115e0db
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SHA256
37ba2407fcedfb820ba97763e2fb4799604a7085a60d48f69de9583fe87eb9f3
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SHA512
3cc99c5e89bc9443fb78e7ffd09efd5bd846fde48cbbbaf2ef4ff41f39a393b3e5660f74117113f9dee9540a1c5f4ba07e54d17790eda1375c13af3ddcfe4fa1
Malware Config
Signatures
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Snake Keylogger
Keylogger and Infostealer first seen in November 2020.
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Snake Keylogger Payload 2 IoCs
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Executes dropped EXE 2 IoCs
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Drops startup file 1 IoCs
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Reads data files stored by FTP clients 2 TTPs
Tries to access configuration files associated with programs like FileZilla.
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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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Suspicious behavior: EnumeratesProcesses 24 IoCs
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Suspicious use of AdjustPrivilegeToken 3 IoCs
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Suspicious use of WriteProcessMemory 11 IoCs
Processes
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C:\Users\Admin\AppData\Local\Temp\SecuriteInfo.com.Trojan.Packed2.42783.9831.18705.exe"C:\Users\Admin\AppData\Local\Temp\SecuriteInfo.com.Trojan.Packed2.42783.9831.18705.exe"1⤵
- Drops startup file
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
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C:\Users\Admin\omsu.exe"C:\Users\Admin\omsu.exe"2⤵
- Executes dropped EXE
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
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C:\Users\Admin\AppData\Local\Temp\InstallUtil.exe"C:\Users\Admin\AppData\Local\Temp\InstallUtil.exe"3⤵
- Executes dropped EXE
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
Network
MITRE ATT&CK Matrix ATT&CK v6
Replay Monitor
Loading Replay Monitor...
Downloads
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C:\Users\Admin\AppData\Local\Temp\InstallUtil.exeMD5
91c9ae9c9a17a9db5e08b120e668c74c
SHA150770954c1ceb0bb6f1d5d3f2de2a0a065773723
SHA256e56a7e5d3ab9675555e2897fc3faa2dd9265008a4967a7d54030ab8184d2d38f
SHA512ca504af192e3318359d4742a2ef26ae1b5d040a4f9942782e02549a310158d5d5dbf919b4c748c31ee609d2046bd23ee0c22712891c86ae4a1e3a58c6e67647e
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C:\Users\Admin\AppData\Local\Temp\InstallUtil.exeMD5
91c9ae9c9a17a9db5e08b120e668c74c
SHA150770954c1ceb0bb6f1d5d3f2de2a0a065773723
SHA256e56a7e5d3ab9675555e2897fc3faa2dd9265008a4967a7d54030ab8184d2d38f
SHA512ca504af192e3318359d4742a2ef26ae1b5d040a4f9942782e02549a310158d5d5dbf919b4c748c31ee609d2046bd23ee0c22712891c86ae4a1e3a58c6e67647e
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C:\Users\Admin\omsu.exeMD5
263f0b35e5768e624a84ac122bbf6a8c
SHA153b6283cf3fe925f008ff5e75bb9f59ec115e0db
SHA25637ba2407fcedfb820ba97763e2fb4799604a7085a60d48f69de9583fe87eb9f3
SHA5123cc99c5e89bc9443fb78e7ffd09efd5bd846fde48cbbbaf2ef4ff41f39a393b3e5660f74117113f9dee9540a1c5f4ba07e54d17790eda1375c13af3ddcfe4fa1
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C:\Users\Admin\omsu.exeMD5
263f0b35e5768e624a84ac122bbf6a8c
SHA153b6283cf3fe925f008ff5e75bb9f59ec115e0db
SHA25637ba2407fcedfb820ba97763e2fb4799604a7085a60d48f69de9583fe87eb9f3
SHA5123cc99c5e89bc9443fb78e7ffd09efd5bd846fde48cbbbaf2ef4ff41f39a393b3e5660f74117113f9dee9540a1c5f4ba07e54d17790eda1375c13af3ddcfe4fa1
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memory/492-10-0x0000000008690000-0x0000000008691000-memory.dmpFilesize
4KB
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memory/492-5-0x0000000005220000-0x0000000005221000-memory.dmpFilesize
4KB
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memory/492-2-0x0000000073970000-0x000000007405E000-memory.dmpFilesize
6.9MB
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memory/492-11-0x0000000005111000-0x0000000005112000-memory.dmpFilesize
4KB
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memory/492-9-0x0000000008250000-0x0000000008251000-memory.dmpFilesize
4KB
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memory/492-8-0x0000000005D60000-0x0000000005D7E000-memory.dmpFilesize
120KB
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memory/492-6-0x0000000005110000-0x0000000005111000-memory.dmpFilesize
4KB
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memory/492-3-0x0000000000730000-0x0000000000731000-memory.dmpFilesize
4KB
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memory/1648-32-0x0000000000150000-0x00000000001B8000-memory.dmpFilesize
416KB
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memory/1648-28-0x000000000046370E-mapping.dmp
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memory/1648-31-0x0000000073970000-0x000000007405E000-memory.dmpFilesize
6.9MB
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memory/1648-34-0x0000000004F20000-0x0000000004F21000-memory.dmpFilesize
4KB
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memory/1648-36-0x0000000004BD0000-0x0000000004BD1000-memory.dmpFilesize
4KB
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memory/1648-37-0x0000000005A30000-0x0000000005A31000-memory.dmpFilesize
4KB
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memory/1648-39-0x0000000005CD0000-0x0000000005CD1000-memory.dmpFilesize
4KB
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memory/3912-24-0x0000000005191000-0x0000000005192000-memory.dmpFilesize
4KB
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memory/3912-25-0x0000000008620000-0x000000000862B000-memory.dmpFilesize
44KB
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memory/3912-26-0x0000000008CC0000-0x0000000008CC1000-memory.dmpFilesize
4KB
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memory/3912-20-0x0000000005190000-0x0000000005191000-memory.dmpFilesize
4KB
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memory/3912-15-0x0000000073970000-0x000000007405E000-memory.dmpFilesize
6.9MB
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memory/3912-12-0x0000000000000000-mapping.dmp