Analysis
- max time kernel
147s - max time network
152s - platform
windows10-2004_x64 - resource
win10v2004-20221111-en - resource tags
- submitted
25/01/2023, 11:50
General
- Target SOA(12323).exe
- Size 770KB
- Sample230125-nzkzzahe5s
- SHA256 85913d4430d1da9a29e295d98d21997c90edf6d3dea08c709c81e5c8302c3e0f
Malware Config
Extracted
-
Protocol
smtp
-
Host
mail.smpp.com.my
-
Port
587
-
Username
-
Password
abah740102
Signatures
- Checks computer location settings 2 TTPs 1 IoCs
Looks up country code configured in the registry, likely geofence.
- Reads user/profile data of web browsers 2 TTPs
Infostealers often target stored browser data, which can include saved credentials etc.
- Looks up external IP address via web service 2 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 4 IoCs
- Suspicious use of AdjustPrivilegeToken 3 IoCs
- Suspicious use of SetWindowsHookEx 1 IoCs
- Suspicious use of WriteProcessMemory 14 IoCs
Processes
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C:\Users\Admin\AppData\Local\Temp\SOA(12323).exe"C:\Users\Admin\AppData\Local\Temp\SOA(12323).exe"1⤵
- Checks computer location settings
- 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\wDKDgpGdE.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\wDKDgpGdE" /XML "C:\Users\Admin\AppData\Local\Temp\tmpFB2D.tmp"2⤵
- Creates scheduled task(s)
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C:\Users\Admin\AppData\Local\Temp\SOA(12323).exe"C:\Users\Admin\AppData\Local\Temp\SOA(12323).exe"2⤵
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of SetWindowsHookEx
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Network
MITRE ATT&CK Enterprise v6
Replay Monitor
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Downloads
tmpFB2D.tmp
memory/2428-145-0x0000000004ED0000-0x0000000004F36000-memory.dmp
memory/2428-143-0x0000000000400000-0x0000000000430000-memory.dmp
memory/3628-150-0x00000000063E0000-0x00000000063FE000-memory.dmp
memory/3628-147-0x0000000005E30000-0x0000000005E4E000-memory.dmp
memory/3628-157-0x0000000007460000-0x0000000007468000-memory.dmp
memory/3628-139-0x0000000002510000-0x0000000002546000-memory.dmp
memory/3628-156-0x0000000007480000-0x000000000749A000-memory.dmp
memory/3628-155-0x0000000007370000-0x000000000737E000-memory.dmp
memory/3628-142-0x0000000005000000-0x0000000005628000-memory.dmp
memory/3628-154-0x00000000073C0000-0x0000000007456000-memory.dmp
memory/3628-144-0x0000000004F70000-0x0000000004F92000-memory.dmp
memory/3628-146-0x00000000057A0000-0x0000000005806000-memory.dmp
memory/3628-153-0x00000000071B0000-0x00000000071BA000-memory.dmp
memory/3628-148-0x0000000006DE0000-0x0000000006E12000-memory.dmp
memory/3628-149-0x0000000070AB0000-0x0000000070AFC000-memory.dmp
memory/3628-152-0x0000000007140000-0x000000000715A000-memory.dmp
memory/3628-151-0x0000000007780000-0x0000000007DFA000-memory.dmp
memory/4332-132-0x0000000000B00000-0x0000000000BC8000-memory.dmp
memory/4332-133-0x0000000005B50000-0x00000000060F4000-memory.dmp
memory/4332-134-0x00000000055A0000-0x0000000005632000-memory.dmp
memory/4332-135-0x0000000005580000-0x000000000558A000-memory.dmp
memory/4332-136-0x0000000009070000-0x000000000910C000-memory.dmp