Analysis
- max time kernel
144s - max time network
108s - platform
windows10-2004_x64 - resource
win10v2004-20230220-en - resource tags
- submitted
01/03/2023, 11:27
General
- Target Fatura20238278973456789055475.exe
- Size 434KB
- Sample230301-nkejmsfe4y
- SHA256 492e3ab5e47e3e41d6bfeb3edb5a4e09834331e4473e0d28cd1541088c7d009e
Malware Config
Signatures
- Snake Keylogger
Keylogger and Infostealer first seen in November 2020.
- Snake Keylogger payload 4 IoCs
- Executes dropped EXE 5 IoCs
- 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 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.
- Suspicious behavior: EnumeratesProcesses 2 IoCs
- Suspicious behavior: MapViewOfSection 4 IoCs
- Suspicious use of AdjustPrivilegeToken 1 IoCs
- Suspicious use of WriteProcessMemory 16 IoCs
- outlook_office_path 1 IoCs
- outlook_win_path 1 IoCs
Processes
-
C:\Users\Admin\AppData\Local\Temp\Fatura20238278973456789055475.exe"C:\Users\Admin\AppData\Local\Temp\Fatura20238278973456789055475.exe"1⤵
- Suspicious use of WriteProcessMemory
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C:\Users\Admin\AppData\Local\Temp\wbdqivnol.exe"C:\Users\Admin\AppData\Local\Temp\wbdqivnol.exe" C:\Users\Admin\AppData\Local\Temp\xpuhbcrvb.ju2⤵
- Executes dropped EXE
- Suspicious use of SetThreadContext
- Suspicious behavior: MapViewOfSection
- Suspicious use of WriteProcessMemory
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C:\Users\Admin\AppData\Local\Temp\wbdqivnol.exe"C:\Users\Admin\AppData\Local\Temp\wbdqivnol.exe"3⤵
- Executes dropped EXE
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C:\Users\Admin\AppData\Local\Temp\wbdqivnol.exe"C:\Users\Admin\AppData\Local\Temp\wbdqivnol.exe"3⤵
- Executes dropped EXE
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C:\Users\Admin\AppData\Local\Temp\wbdqivnol.exe"C:\Users\Admin\AppData\Local\Temp\wbdqivnol.exe"3⤵
- Executes dropped EXE
- Accesses Microsoft Outlook profiles
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- outlook_office_path
- outlook_win_path
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C:\Users\Admin\AppData\Local\Temp\wbdqivnol.exe"C:\Users\Admin\AppData\Local\Temp\wbdqivnol.exe"3⤵
- Executes dropped EXE
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Network
MITRE ATT&CK Enterprise v6
Replay Monitor
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Downloads
upfcodnl.wqm
wbdqivnol.exe
wbdqivnol.exe
wbdqivnol.exe
wbdqivnol.exe
wbdqivnol.exe
wbdqivnol.exe
xpuhbcrvb.ju
memory/4364-152-0x00000000055C0000-0x000000000565C000-memory.dmp
memory/4364-156-0x0000000005510000-0x0000000005520000-memory.dmp
memory/4364-149-0x0000000000400000-0x0000000000437000-memory.dmp
memory/4364-150-0x0000000005AD0000-0x0000000006074000-memory.dmp
memory/4364-145-0x0000000000400000-0x0000000000437000-memory.dmp
memory/4364-151-0x0000000000400000-0x0000000000437000-memory.dmp
memory/4364-155-0x0000000005510000-0x0000000005520000-memory.dmp
memory/4364-154-0x0000000005510000-0x0000000005520000-memory.dmp
memory/4364-153-0x0000000005510000-0x0000000005520000-memory.dmp
memory/4364-147-0x0000000000400000-0x0000000000437000-memory.dmp
memory/4364-157-0x00000000068B0000-0x0000000006A72000-memory.dmp
memory/4364-158-0x0000000006780000-0x0000000006812000-memory.dmp
memory/4364-159-0x0000000006730000-0x000000000673A000-memory.dmp
memory/4364-160-0x0000000005510000-0x0000000005520000-memory.dmp
memory/4364-161-0x0000000005510000-0x0000000005520000-memory.dmp
memory/4364-162-0x0000000005510000-0x0000000005520000-memory.dmp
memory/4364-163-0x0000000005510000-0x0000000005520000-memory.dmp