Analysis
- max time kernel
143s - max time network
149s - platform
windows10-2004_x64 - resource
win10v2004-20220812-en - resource tags
- submitted
15/01/2023, 14:08
General
- Target DHL_DELIVERY_CUSTOM_CLEARANCE140120222311011313.exe
- Size 860KB
- Sample230115-rfjvcabe6z
- SHA256 1818cc0b97f34215f7b517c8cccf9b7d2c38df6526782c9a24a935e2f1f2fd55
Malware Config
Signatures
- Checks computer location settings 2 TTPs 1 IoCs
Looks up country code configured in the registry, likely geofence.
- 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
- Adds Run key to start application 2 TTPs 1 IoCs
- 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
- outlook_office_path 1 IoCs
- outlook_win_path 1 IoCs
Processes
-
C:\Users\Admin\AppData\Local\Temp\DHL_DELIVERY_CUSTOM_CLEARANCE140120222311011313.exe"C:\Users\Admin\AppData\Local\Temp\DHL_DELIVERY_CUSTOM_CLEARANCE140120222311011313.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\QbGRFXwWxTx.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\QbGRFXwWxTx" /XML "C:\Users\Admin\AppData\Local\Temp\tmp436.tmp"2⤵
- Creates scheduled task(s)
-
-
C:\Users\Admin\AppData\Local\Temp\DHL_DELIVERY_CUSTOM_CLEARANCE140120222311011313.exe"C:\Users\Admin\AppData\Local\Temp\DHL_DELIVERY_CUSTOM_CLEARANCE140120222311011313.exe"2⤵
- Accesses Microsoft Outlook profiles
- Adds Run key to start application
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of SetWindowsHookEx
- outlook_office_path
- outlook_win_path
-
Network
MITRE ATT&CK Enterprise v6
Replay Monitor
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Downloads
tmp436.tmp
memory/2672-133-0x0000000005A90000-0x0000000006034000-memory.dmp
memory/2672-134-0x0000000005420000-0x00000000054B2000-memory.dmp
memory/2672-135-0x00000000055E0000-0x00000000055EA000-memory.dmp
memory/2672-136-0x00000000056F0000-0x000000000578C000-memory.dmp
memory/2672-132-0x00000000009D0000-0x0000000000AAE000-memory.dmp
memory/3244-153-0x00000000071F0000-0x00000000071FA000-memory.dmp
memory/3244-150-0x0000000006430000-0x000000000644E000-memory.dmp
memory/3244-159-0x00000000074A0000-0x00000000074A8000-memory.dmp
memory/3244-142-0x0000000005110000-0x0000000005738000-memory.dmp
memory/3244-158-0x00000000074C0000-0x00000000074DA000-memory.dmp
memory/3244-144-0x0000000004FD0000-0x0000000004FF2000-memory.dmp
memory/3244-145-0x0000000005070000-0x00000000050D6000-memory.dmp
memory/3244-157-0x00000000073B0000-0x00000000073BE000-memory.dmp
memory/3244-147-0x0000000005E80000-0x0000000005E9E000-memory.dmp
memory/3244-148-0x0000000006450000-0x0000000006482000-memory.dmp
memory/3244-149-0x0000000070700000-0x000000007074C000-memory.dmp
memory/3244-139-0x0000000002550000-0x0000000002586000-memory.dmp
memory/3244-151-0x00000000077C0000-0x0000000007E3A000-memory.dmp
memory/3244-152-0x0000000007180000-0x000000000719A000-memory.dmp
memory/3244-154-0x0000000007400000-0x0000000007496000-memory.dmp
memory/3692-155-0x0000000006B80000-0x0000000006BD0000-memory.dmp
memory/3692-156-0x0000000006E00000-0x0000000006FC2000-memory.dmp
memory/3692-146-0x0000000005680000-0x00000000056E6000-memory.dmp
memory/3692-143-0x0000000000400000-0x0000000000430000-memory.dmp