Analysis
- max time kernel
145s - max time network
148s - platform
windows10-2004_x64 - resource
win10v2004-20240226-en - resource tags
- submitted
08/04/2024, 21:51
General
- Target Invoice105356220240402104755AM.PDF.exe
- Size 575KB
- Sample240408-1qgbmsgb7z
- SHA256 f191d334abb3d33f9d99efb91b4c12f8f6367d8015c83b3f93adb272a2da5cf5
Malware Config
Extracted
-
asyncrat
-
0.5.8
-
Testing
-
91.207.102.163:9899
-
HbLmK5pOLkik
-
delay
3
-
install
false
-
install_folder
%AppData%
Signatures
- AsyncRat
AsyncRAT is designed to remotely monitor and control other computers written in C#.
- Checks computer location settings 2 TTPs 1 IoCs
Looks up country code configured in the registry, likely geofence.
- Suspicious use of SetThreadContext 1 IoCs
- Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
- 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 13 IoCs
- Suspicious use of AdjustPrivilegeToken 4 IoCs
- Suspicious use of WriteProcessMemory 17 IoCs
Processes
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C:\Users\Admin\AppData\Local\Temp\Invoice105356220240402104755AM.PDF.exe"C:\Users\Admin\AppData\Local\Temp\Invoice105356220240402104755AM.PDF.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\Local\Temp\Invoice105356220240402104755AM.PDF.exe"2⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
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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\flVdJE.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\flVdJE" /XML "C:\Users\Admin\AppData\Local\Temp\tmpB5A4.tmp"2⤵
- Creates scheduled task(s)
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C:\Users\Admin\AppData\Local\Temp\Invoice105356220240402104755AM.PDF.exe"C:\Users\Admin\AppData\Local\Temp\Invoice105356220240402104755AM.PDF.exe"2⤵
- Suspicious use of AdjustPrivilegeToken
-
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
powershell.exe.log
StartupProfileData-NonInteractive
__PSScriptPolicyTest_jr5ojotu.vqf.ps1
tmpB5A4.tmp
memory/2244-101-0x00000000054E0000-0x00000000054F0000-memory.dmp
memory/2244-100-0x00000000748E0000-0x0000000075090000-memory.dmp
memory/2244-97-0x00000000054E0000-0x00000000054F0000-memory.dmp
memory/2244-50-0x00000000748E0000-0x0000000075090000-memory.dmp
memory/2244-29-0x0000000000400000-0x0000000000412000-memory.dmp
memory/2700-48-0x00000000062E0000-0x0000000006634000-memory.dmp
memory/2700-22-0x0000000005450000-0x0000000005460000-memory.dmp
memory/2700-79-0x0000000005450000-0x0000000005460000-memory.dmp
memory/2700-73-0x0000000007970000-0x000000000798E000-memory.dmp
memory/2700-17-0x0000000002E80000-0x0000000002EB6000-memory.dmp
memory/2700-18-0x00000000748E0000-0x0000000075090000-memory.dmp
memory/2700-19-0x0000000005450000-0x0000000005460000-memory.dmp
memory/2700-85-0x0000000007CD0000-0x0000000007CE1000-memory.dmp
memory/2700-81-0x0000000008110000-0x000000000878A000-memory.dmp
memory/2700-52-0x00000000067A0000-0x00000000067BE000-memory.dmp
memory/2700-78-0x0000000005450000-0x0000000005460000-memory.dmp
memory/2700-56-0x0000000075190000-0x00000000751DC000-memory.dmp
memory/2700-55-0x0000000006D80000-0x0000000006DB2000-memory.dmp
memory/2700-26-0x00000000057D0000-0x00000000057F2000-memory.dmp
memory/2700-96-0x00000000748E0000-0x0000000075090000-memory.dmp
memory/2700-54-0x000000007EE40000-0x000000007EE50000-memory.dmp
memory/2700-53-0x0000000006D30000-0x0000000006D7C000-memory.dmp
memory/3576-2-0x00000000057D0000-0x0000000005D74000-memory.dmp
memory/3576-0-0x0000000000870000-0x0000000000906000-memory.dmp
memory/3576-6-0x0000000005780000-0x000000000579C000-memory.dmp
memory/3576-51-0x00000000748E0000-0x0000000075090000-memory.dmp
memory/3576-7-0x0000000005660000-0x0000000005668000-memory.dmp
memory/3576-8-0x00000000057A0000-0x00000000057AC000-memory.dmp
memory/3576-4-0x00000000054D0000-0x00000000054E0000-memory.dmp
memory/3576-10-0x000000000F740000-0x000000000F7DC000-memory.dmp
memory/3576-5-0x00000000054A0000-0x00000000054AA000-memory.dmp
memory/3576-3-0x0000000005300000-0x0000000005392000-memory.dmp
memory/3576-9-0x0000000004D10000-0x0000000004D64000-memory.dmp
memory/3576-1-0x00000000748E0000-0x0000000075090000-memory.dmp
memory/3576-12-0x00000000054D0000-0x00000000054E0000-memory.dmp
memory/3576-11-0x00000000748E0000-0x0000000075090000-memory.dmp
memory/3640-23-0x00000000050C0000-0x00000000050D0000-memory.dmp
memory/3640-80-0x00000000050C0000-0x00000000050D0000-memory.dmp
memory/3640-82-0x0000000007800000-0x000000000781A000-memory.dmp
memory/3640-83-0x0000000007870000-0x000000000787A000-memory.dmp
memory/3640-84-0x0000000007A80000-0x0000000007B16000-memory.dmp
memory/3640-77-0x00000000076E0000-0x0000000007783000-memory.dmp
memory/3640-86-0x0000000007A30000-0x0000000007A3E000-memory.dmp
memory/3640-87-0x0000000007A40000-0x0000000007A54000-memory.dmp
memory/3640-88-0x0000000007B40000-0x0000000007B5A000-memory.dmp
memory/3640-89-0x0000000007B20000-0x0000000007B28000-memory.dmp
memory/3640-57-0x0000000075190000-0x00000000751DC000-memory.dmp
memory/3640-28-0x0000000005E80000-0x0000000005EE6000-memory.dmp
memory/3640-95-0x00000000748E0000-0x0000000075090000-memory.dmp
memory/3640-27-0x0000000005D30000-0x0000000005D96000-memory.dmp
memory/3640-25-0x00000000050C0000-0x00000000050D0000-memory.dmp
memory/3640-21-0x00000000748E0000-0x0000000075090000-memory.dmp
memory/3640-20-0x0000000005700000-0x0000000005D28000-memory.dmp