Analysis
- max time kernel
119s - max time network
121s - platform
windows10_x64 - resource
win10-en-20211014 - submitted
16/11/2021, 21:09
General
- Target 491ca2d6005190bfe3d8524cc93f3f09.exe
- Size 667KB
- Sample211116-zzf7kafec6
- SHA256 aa16e563346384cfcb7fbd83727cce3dfffa7ae31ee3581671ba3d57a5e21829
Malware Config
Extracted
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snakekeylogger
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Protocol
smtp
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Host
budgetn.shop
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Port
587
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Username
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Password
eC~Z,TG&S9jM
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
- 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 1 IoCs
- Suspicious use of AdjustPrivilegeToken 2 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\491ca2d6005190bfe3d8524cc93f3f09.exe"C:\Users\Admin\AppData\Local\Temp\491ca2d6005190bfe3d8524cc93f3f09.exe"1⤵
- Suspicious use of SetThreadContext
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
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C:\Users\Admin\AppData\Local\Temp\491ca2d6005190bfe3d8524cc93f3f09.exe"C:\Users\Admin\AppData\Local\Temp\491ca2d6005190bfe3d8524cc93f3f09.exe"2⤵
- Accesses Microsoft Outlook profiles
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- outlook_office_path
- outlook_win_path
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C:\Windows\SysWOW64\cmd.exe"cmd" /c schtasks /create /sc minute /mo 1 /tn "Nanias" /tr "'C:\Users\Admin\AppData\Roaming\task\task.exe'" /f2⤵
- Suspicious use of WriteProcessMemory
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C:\Windows\SysWOW64\schtasks.exeschtasks /create /sc minute /mo 1 /tn "Nanias" /tr "'C:\Users\Admin\AppData\Roaming\task\task.exe'" /f3⤵
- Creates scheduled task(s)
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C:\Windows\SysWOW64\cmd.exe"cmd" /c copy "C:\Users\Admin\AppData\Local\Temp\491ca2d6005190bfe3d8524cc93f3f09.exe" "C:\Users\Admin\AppData\Roaming\task\task.exe"2⤵
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Network
MITRE ATT&CK Enterprise v6
Replay Monitor
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Downloads
memory/4160-115-0x00000000012F0000-0x00000000012F1000-memory.dmp
memory/4160-117-0x0000000005EA0000-0x0000000005EA1000-memory.dmp
memory/4160-118-0x0000000005A40000-0x0000000005A41000-memory.dmp
memory/4160-119-0x00000000059A0000-0x00000000059A1000-memory.dmp
memory/4160-120-0x0000000003320000-0x0000000003321000-memory.dmp
memory/4160-121-0x0000000005E10000-0x0000000005E11000-memory.dmp
memory/4420-122-0x0000000000400000-0x0000000000426000-memory.dmp
memory/4420-129-0x0000000005730000-0x0000000005731000-memory.dmp
memory/4420-131-0x0000000005730000-0x0000000005C2E000-memory.dmp
memory/4420-132-0x0000000006A80000-0x0000000006A81000-memory.dmp