Analysis
- max time kernel
141s - max time network
179s - platform
windows7_x64 - resource
win7-20220331-en - submitted
01/04/2022, 13:23
General
- Target c7da2a4322387ee17b38c58f91ea3b2b.exe
- Size 995KB
- Sample220401-qmsv6abhe2
- SHA256 7fb2552e90c099f748e7c3a2ba045570ddc81d921b4df26bd47cb956baadd22a
Malware Config
Extracted
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snakekeylogger
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Protocol
smtp
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Host
webmail.microjoining.com
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Port
587
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Username
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Password
micro1
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Email to
Signatures
- Snake Keylogger
Keylogger and Infostealer first seen in November 2020.
- Snake Keylogger Payload 6 IoCs
- Looks up external IP address via web service 1 IoCs
Uses a legitimate IP lookup service to find the infected system's external IP.
- Suspicious use of SetThreadContext 1 IoCs
- Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.
- Creates scheduled task(s) 1 TTPs 1 IoCs
Schtasks is often used by malware for persistence or to perform post-infection execution.
- Suspicious behavior: EnumeratesProcesses 2 IoCs
- Suspicious use of AdjustPrivilegeToken 2 IoCs
- Suspicious use of WriteProcessMemory 17 IoCs
Processes
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C:\Users\Admin\AppData\Local\Temp\c7da2a4322387ee17b38c58f91ea3b2b.exe"C:\Users\Admin\AppData\Local\Temp\c7da2a4322387ee17b38c58f91ea3b2b.exe"1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
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C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe"C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Roaming\aHjAUiTfvd.exe"2⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
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C:\Windows\SysWOW64\schtasks.exe"C:\Windows\System32\schtasks.exe" /Create /TN "Updates\aHjAUiTfvd" /XML "C:\Users\Admin\AppData\Local\Temp\tmp2D68.tmp"2⤵
- Creates scheduled task(s)
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C:\Users\Admin\AppData\Local\Temp\c7da2a4322387ee17b38c58f91ea3b2b.exe"C:\Users\Admin\AppData\Local\Temp\c7da2a4322387ee17b38c58f91ea3b2b.exe"2⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
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Network
MITRE ATT&CK Enterprise v6
Replay Monitor
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Downloads
tmp2D68.tmp
memory/1380-59-0x0000000075D51000-0x0000000075D53000-memory.dmp
memory/1380-74-0x000000006E4D0000-0x000000006EA7B000-memory.dmp
memory/1424-63-0x0000000000400000-0x0000000000426000-memory.dmp
memory/1424-62-0x0000000000400000-0x0000000000426000-memory.dmp
memory/1424-65-0x0000000000400000-0x0000000000426000-memory.dmp
memory/1424-67-0x0000000000400000-0x0000000000426000-memory.dmp
memory/1424-68-0x0000000000400000-0x0000000000426000-memory.dmp
memory/1424-71-0x0000000000400000-0x0000000000426000-memory.dmp
memory/1424-73-0x0000000000400000-0x0000000000426000-memory.dmp
memory/2024-56-0x0000000007FC0000-0x00000000080AE000-memory.dmp
memory/2024-61-0x0000000004830000-0x0000000004856000-memory.dmp
memory/2024-54-0x0000000000A60000-0x0000000000B60000-memory.dmp
memory/2024-55-0x00000000005D0000-0x00000000005DA000-memory.dmp