Analysis
- max time kernel
252s - max time network
254s - platform
windows10_x64 - resource
win10v20210408 - submitted
08/07/2021, 14:13
General
- Target DHL_PACKAGE_HD98232.pdf.exe
- Size 1.3MB
- Sample210708-cvc2hepvhn
- SHA256 6095dd10965d4e081e87c366736e0305b7d42f84dbdb10471bcedacfe145f7a5
Malware Config
Signatures
- RevcodeRat, WebMonitorRat
WebMonitor is a remote access tool that you can use from any browser access to control, and monitor your phones, or PCs.
- WebMonitor Payload 3 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 5 IoCs
- Suspicious use of AdjustPrivilegeToken 3 IoCs
- Suspicious use of WriteProcessMemory 21 IoCs
Processes
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C:\Users\Admin\AppData\Local\Temp\DHL_PACKAGE_HD98232.pdf.exe"C:\Users\Admin\AppData\Local\Temp\DHL_PACKAGE_HD98232.pdf.exe"1⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
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C:\Windows\SysWOW64\schtasks.exe"C:\Windows\System32\schtasks.exe" /Create /TN "Updates\sKUmEKiiItxu" /XML "C:\Users\Admin\AppData\Local\Temp\tmp77B1.tmp"2⤵
- Creates scheduled task(s)
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C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe"C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe"2⤵
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C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe"C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe"2⤵
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C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe"C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe"2⤵
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
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C:\Windows\SysWOW64\cmd.exeC:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\zn9rKLoeQjXgE5BK.bat" "3⤵
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Network
MITRE ATT&CK Enterprise v6
Replay Monitor
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Downloads
memory/740-123-0x0000000008920000-0x0000000008A20000-memory.dmp
memory/740-124-0x0000000008A20000-0x0000000008B24000-memory.dmp
memory/740-119-0x0000000005240000-0x0000000005241000-memory.dmp
memory/740-120-0x0000000005570000-0x0000000005571000-memory.dmp
memory/740-121-0x0000000005240000-0x00000000052DC000-memory.dmp
memory/740-122-0x0000000004D10000-0x0000000004D1F000-memory.dmp
memory/740-114-0x00000000008E0000-0x00000000008E1000-memory.dmp
memory/740-118-0x0000000005380000-0x0000000005381000-memory.dmp
memory/740-116-0x00000000052E0000-0x00000000052E1000-memory.dmp
memory/740-117-0x0000000005880000-0x0000000005881000-memory.dmp
memory/2204-127-0x0000000000400000-0x00000000004F3000-memory.dmp
memory/2204-129-0x0000000000400000-0x00000000004F3000-memory.dmp