Analysis
- max time kernel
121s - max time network
143s - platform
windows7_x64 - resource
win7-20240221-en - resource tags
- submitted
08/04/2024, 21:51
General
- Target Invoice105356220240402104755AM.PDF.exe
- Size 575KB
- Sample240408-1qgbmsgb7z
- SHA256 f191d334abb3d33f9d99efb91b4c12f8f6367d8015c83b3f93adb272a2da5cf5
Malware Config
Extracted
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asyncrat
-
0.5.8
-
Testing
-
91.207.102.163:9899
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HbLmK5pOLkik
-
delay
3
-
install
false
-
install_folder
%AppData%
Signatures
- AsyncRat
AsyncRAT is designed to remotely monitor and control other computers written in C#.
- 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 12 IoCs
- Suspicious use of AdjustPrivilegeToken 4 IoCs
- Suspicious use of WriteProcessMemory 21 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⤵
- 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\tmpE1A8.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
tmpE1A8.tmp
U91B0C5OJ6TEQTC7HMR5.temp
memory/572-31-0x0000000000400000-0x0000000000412000-memory.dmp
memory/572-23-0x0000000000400000-0x0000000000412000-memory.dmp
memory/572-29-0x0000000000400000-0x0000000000412000-memory.dmp
memory/572-27-0x0000000000400000-0x0000000000412000-memory.dmp
memory/572-21-0x0000000000400000-0x0000000000412000-memory.dmp
memory/572-24-0x0000000000400000-0x0000000000412000-memory.dmp
memory/572-25-0x000000007EFDE000-0x000000007EFDF000-memory.dmp
memory/572-22-0x0000000000400000-0x0000000000412000-memory.dmp
memory/1964-1-0x0000000074640000-0x0000000074D2E000-memory.dmp
memory/1964-4-0x0000000000500000-0x0000000000508000-memory.dmp
memory/1964-3-0x0000000000690000-0x00000000006AC000-memory.dmp
memory/1964-7-0x0000000074640000-0x0000000074D2E000-memory.dmp
memory/1964-2-0x0000000004E90000-0x0000000004ED0000-memory.dmp
memory/1964-6-0x0000000000320000-0x0000000000374000-memory.dmp
memory/1964-5-0x0000000000640000-0x000000000064C000-memory.dmp
memory/1964-8-0x0000000004E90000-0x0000000004ED0000-memory.dmp
memory/1964-0-0x0000000000220000-0x00000000002B6000-memory.dmp
memory/1964-32-0x0000000074640000-0x0000000074D2E000-memory.dmp
memory/2528-34-0x000000006F5E0000-0x000000006FB8B000-memory.dmp
memory/2528-36-0x000000006F5E0000-0x000000006FB8B000-memory.dmp
memory/2556-33-0x000000006F5E0000-0x000000006FB8B000-memory.dmp
memory/2556-35-0x0000000002730000-0x0000000002770000-memory.dmp
memory/2556-37-0x000000006F5E0000-0x000000006FB8B000-memory.dmp