Analysis
- max time kernel
41s - max time network
111s - platform
windows10_x64 - resource
win10v20201028 - submitted
31/03/2021, 10:46
General
- Target SecuriteInfo.com.Trojan.Win32.Save.a.9335.13320.exe
- Size 1.9MB
- Sample210331-l2fd6l14yx
- SHA256 f368e01fbba37ee10ab9a92e0aba1f68f7b92f7bc67a4670fcfb0d93f87be451
Malware Config
Signatures
- 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 use of AdjustPrivilegeToken 1 IoCs
- Suspicious use of WriteProcessMemory 11 IoCs
Processes
-
C:\Users\Admin\AppData\Local\Temp\SecuriteInfo.com.Trojan.Win32.Save.a.9335.13320.exe"C:\Users\Admin\AppData\Local\Temp\SecuriteInfo.com.Trojan.Win32.Save.a.9335.13320.exe"1⤵
- Suspicious use of SetThreadContext
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
-
C:\Windows\SysWOW64\schtasks.exe"C:\Windows\System32\schtasks.exe" /Create /TN "Updates\VFexOIUZszUQsS" /XML "C:\Users\Admin\AppData\Local\Temp\tmpAEB4.tmp"2⤵
- Creates scheduled task(s)
-
-
C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe"{path}"2⤵
-
Network
MITRE ATT&CK Enterprise v6
Replay Monitor
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Downloads
memory/2724-25-0x00000000054E0000-0x00000000054E1000-memory.dmp
memory/2724-19-0x0000000073820000-0x0000000073F0E000-memory.dmp
memory/2724-17-0x0000000000400000-0x000000000040A000-memory.dmp
memory/3276-7-0x0000000004B30000-0x0000000004B31000-memory.dmp
memory/3276-10-0x0000000008080000-0x0000000008167000-memory.dmp
memory/3276-11-0x0000000004E10000-0x0000000004E15000-memory.dmp
memory/3276-12-0x0000000008210000-0x0000000008211000-memory.dmp
memory/3276-13-0x0000000008460000-0x0000000008503000-memory.dmp
memory/3276-14-0x000000000AB10000-0x000000000AB62000-memory.dmp
memory/3276-9-0x0000000004AB0000-0x0000000004AB1000-memory.dmp
memory/3276-8-0x0000000004980000-0x0000000004981000-memory.dmp
memory/3276-2-0x0000000073820000-0x0000000073F0E000-memory.dmp
memory/3276-6-0x0000000004B40000-0x0000000004B41000-memory.dmp
memory/3276-5-0x0000000005040000-0x0000000005041000-memory.dmp
memory/3276-3-0x0000000000040000-0x0000000000041000-memory.dmp