Analysis
- max time kernel
90s - max time network
181s - platform
windows7_x64 - resource
win7-20220812-en - resource tags
- submitted
20/09/2022, 03:58
General
- Target SecuriteInfo.com.Variant.Strictor.275348.9253.14582.exe
- Size 801KB
- Sample220920-ejg4psbhe3
- SHA256 3b7b4ef071bf7db6cdf5be21c0ab645e03ad70277b101785534ef8da35b354ca
Malware Config
Extracted
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snakekeylogger
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Protocol
smtp
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Host
us2.smtp.mailhostbox.com
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Port
587
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Username
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Password
LYSV$*b4
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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.
- Program crash 1 IoCs
- 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 5 IoCs
- Suspicious use of AdjustPrivilegeToken 3 IoCs
- Suspicious use of WriteProcessMemory 21 IoCs
Processes
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C:\Users\Admin\AppData\Local\Temp\SecuriteInfo.com.Variant.Strictor.275348.9253.14582.exe"C:\Users\Admin\AppData\Local\Temp\SecuriteInfo.com.Variant.Strictor.275348.9253.14582.exe"1⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- 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\byEpwLYPKydoWC.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\byEpwLYPKydoWC" /XML "C:\Users\Admin\AppData\Local\Temp\tmp6D83.tmp"2⤵
- Creates scheduled task(s)
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C:\Users\Admin\AppData\Local\Temp\SecuriteInfo.com.Variant.Strictor.275348.9253.14582.exe"C:\Users\Admin\AppData\Local\Temp\SecuriteInfo.com.Variant.Strictor.275348.9253.14582.exe"2⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 1388 -s 11043⤵
- Program crash
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Network
MITRE ATT&CK Enterprise v6
Replay Monitor
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Downloads
tmp6D83.tmp
memory/628-78-0x000000006F8C0000-0x000000006FE6B000-memory.dmp
memory/628-77-0x000000006F8C0000-0x000000006FE6B000-memory.dmp
memory/1388-65-0x0000000000400000-0x0000000000426000-memory.dmp
memory/1388-75-0x0000000000400000-0x0000000000426000-memory.dmp
memory/1388-70-0x0000000000400000-0x0000000000426000-memory.dmp
memory/1388-64-0x0000000000400000-0x0000000000426000-memory.dmp
memory/1388-73-0x0000000000400000-0x0000000000426000-memory.dmp
memory/1388-67-0x0000000000400000-0x0000000000426000-memory.dmp
memory/1388-69-0x0000000000400000-0x0000000000426000-memory.dmp
memory/1632-54-0x0000000000800000-0x00000000008CE000-memory.dmp
memory/1632-63-0x0000000004DE0000-0x0000000004E06000-memory.dmp
memory/1632-58-0x0000000005EA0000-0x0000000005F20000-memory.dmp
memory/1632-57-0x00000000004E0000-0x00000000004EC000-memory.dmp
memory/1632-56-0x00000000004D0000-0x00000000004E6000-memory.dmp
memory/1632-55-0x0000000075B41000-0x0000000075B43000-memory.dmp