Analysis
- max time kernel
122s - max time network
159s - platform
windows10_x64 - resource
win10-en-20211014 - submitted
16/11/2021, 06:49
General
- Target doc2021111600100101001010.exe
- Size 362KB
- Sample211116-hlc5bahfen
- SHA256 c548dad95ac675b91f85bd61a65f9cb7c8b7c2eae15144fba8a3cb76a79d0a9f
Malware Config
Extracted
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snakekeylogger
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Protocol
smtp
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Host
mail.ozgurtasimacilik.com.tr
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Port
587
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Username
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Password
OzGuR2021*.
Signatures
- Snake Keylogger
Keylogger and Infostealer first seen in November 2020.
- Reads data files stored by FTP clients 2 TTPs
Tries to access configuration files associated with programs like FileZilla.
- Reads user/profile data of local email clients 2 TTPs
Email clients store some user data on disk where infostealers will often target it.
- Reads user/profile data of web browsers 2 TTPs
Infostealers often target stored browser data, which can include saved credentials etc.
- Accesses Microsoft Outlook profiles 1 TTPs 3 IoCs
- Looks up external IP address via web service 3 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 13 IoCs
- Suspicious use of AdjustPrivilegeToken 3 IoCs
- Suspicious use of WriteProcessMemory 17 IoCs
- outlook_office_path 1 IoCs
- outlook_win_path 1 IoCs
Processes
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C:\Users\Admin\AppData\Local\Temp\doc2021111600100101001010.exe"C:\Users\Admin\AppData\Local\Temp\doc2021111600100101001010.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\TcTopECeFRquj.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\TcTopECeFRquj" /XML "C:\Users\Admin\AppData\Local\Temp\tmp261D.tmp"2⤵
- Creates scheduled task(s)
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C:\Users\Admin\AppData\Local\Temp\doc2021111600100101001010.exe"C:\Users\Admin\AppData\Local\Temp\doc2021111600100101001010.exe"2⤵
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C:\Users\Admin\AppData\Local\Temp\doc2021111600100101001010.exe"C:\Users\Admin\AppData\Local\Temp\doc2021111600100101001010.exe"2⤵
- Accesses Microsoft Outlook profiles
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- outlook_office_path
- outlook_win_path
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Network
MITRE ATT&CK Enterprise v6
Replay Monitor
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Downloads
memory/1344-147-0x00000000062D0000-0x00000000062D1000-memory.dmp
memory/1344-144-0x0000000002A80000-0x0000000002A81000-memory.dmp
memory/1344-130-0x0000000000400000-0x0000000000426000-memory.dmp
memory/1404-138-0x0000000006D50000-0x0000000006D51000-memory.dmp
memory/1404-150-0x0000000007EC0000-0x0000000007EC1000-memory.dmp
memory/1404-241-0x0000000006903000-0x0000000006904000-memory.dmp
memory/1404-127-0x0000000000940000-0x0000000000941000-memory.dmp
memory/1404-126-0x0000000000940000-0x0000000000941000-memory.dmp
memory/1404-172-0x00000000090D0000-0x00000000090D1000-memory.dmp
memory/1404-129-0x0000000004300000-0x0000000004301000-memory.dmp
memory/1404-171-0x000000007E790000-0x000000007E791000-memory.dmp
memory/1404-170-0x0000000008F00000-0x0000000008F01000-memory.dmp
memory/1404-132-0x0000000006F40000-0x0000000006F41000-memory.dmp
memory/1404-165-0x0000000008D90000-0x0000000008D91000-memory.dmp
memory/1404-158-0x0000000008DD0000-0x0000000008E03000-memory.dmp
memory/1404-139-0x0000000006DF0000-0x0000000006DF1000-memory.dmp
memory/1404-140-0x0000000006E60000-0x0000000006E61000-memory.dmp
memory/1404-141-0x0000000007750000-0x0000000007751000-memory.dmp
memory/1404-143-0x0000000006902000-0x0000000006903000-memory.dmp
memory/1404-142-0x0000000006900000-0x0000000006901000-memory.dmp
memory/1404-151-0x0000000000940000-0x0000000000941000-memory.dmp
memory/1404-145-0x0000000007590000-0x0000000007591000-memory.dmp
memory/1404-146-0x0000000007E70000-0x0000000007E71000-memory.dmp
memory/3360-117-0x0000000005C90000-0x0000000005C91000-memory.dmp
memory/3360-123-0x0000000007ED0000-0x0000000007F0D000-memory.dmp
memory/3360-118-0x0000000005830000-0x0000000005831000-memory.dmp
memory/3360-115-0x0000000000E20000-0x0000000000E21000-memory.dmp
memory/3360-119-0x0000000005790000-0x0000000005C8E000-memory.dmp
memory/3360-120-0x0000000005800000-0x0000000005801000-memory.dmp
memory/3360-121-0x0000000005A50000-0x0000000005A57000-memory.dmp
memory/3360-122-0x0000000007F30000-0x0000000007F31000-memory.dmp