Analysis
- max time kernel
102s - max time network
146s - platform
windows10-2004_x64 - resource
win10v2004-20241007-en - resource tags
- submitted
13/11/2024, 13:34
General
- Target 36fe89b3218d2d0bbf865967cdc01b9004e3ba13269909e3d24d7ff209f28fc5(1).exe
- Size 226KB
- Sample241113-qvlf2sshqk
- SHA256 36fe89b3218d2d0bbf865967cdc01b9004e3ba13269909e3d24d7ff209f28fc5
Malware Config
Signatures
- Command and Scripting Interpreter: PowerShell 1 TTPs 1 IoCs
Run Powershell to modify Windows Defender settings to add exclusions for file extensions, paths, and processes.
- Checks computer location settings 2 TTPs 1 IoCs
Looks up country code configured in the registry, likely geofence.
- Drops startup file 1 IoCs
- Executes dropped EXE 6 IoCs
- Drops file in System32 directory 1 IoCs
- Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
- System Location Discovery: System Language Discovery 1 TTPs 11 IoCs
Attempt gather information about the system language of a victim in order to infer the geographical location of that host.
- Delays execution with timeout.exe 1 IoCs
- Scheduled Task/Job: Scheduled Task 1 TTPs 1 IoCs
Schtasks is often used by malware for persistence or to perform post-infection execution.
- Suspicious behavior: AddClipboardFormatListener 1 IoCs
- Suspicious behavior: EnumeratesProcesses 2 IoCs
- Suspicious behavior: GetForegroundWindowSpam 1 IoCs
- Suspicious use of AdjustPrivilegeToken 64 IoCs
- Suspicious use of FindShellTrayWindow 1 IoCs
- Suspicious use of SetWindowsHookEx 3 IoCs
- Suspicious use of WriteProcessMemory 15 IoCs
- Uses Task Scheduler COM API 1 TTPs
The Task Scheduler COM API can be used to schedule applications to run on boot or at set times.
Processes
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C:\Users\Admin\AppData\Local\Temp\36fe89b3218d2d0bbf865967cdc01b9004e3ba13269909e3d24d7ff209f28fc5(1).exe"C:\Users\Admin\AppData\Local\Temp\36fe89b3218d2d0bbf865967cdc01b9004e3ba13269909e3d24d7ff209f28fc5(1).exe"1⤵
- Checks computer location settings
- Drops startup file
- System Location Discovery: System Language Discovery
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
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C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe"powershell.exe" Add-MpPreference -ExclusionPath 'C:\Users\Admin\AppData\Roaming\ACCApi'2⤵
- Command and Scripting Interpreter: PowerShell
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
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C:\Windows\SysWOW64\schtasks.exe"schtasks.exe" /create /tn AccSys /tr "C:\Users\Admin\AppData\Roaming\ACCApi\TrojanAIbot.exe" /st 13:40 /du 23:59 /sc daily /ri 1 /f2⤵
- System Location Discovery: System Language Discovery
- Scheduled Task/Job: Scheduled Task
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C:\Users\Admin\AppData\Roaming\ACCApi\TrojanAIbot.exe"C:\Users\Admin\AppData\Roaming\ACCApi\TrojanAIbot.exe"2⤵
- Executes dropped EXE
- System Location Discovery: System Language Discovery
- Suspicious behavior: AddClipboardFormatListener
- Suspicious use of AdjustPrivilegeToken
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C:\Windows\SysWOW64\cmd.exeC:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\tmpB035.tmp.cmd""2⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
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C:\Windows\SysWOW64\timeout.exetimeout 63⤵
- System Location Discovery: System Language Discovery
- Delays execution with timeout.exe
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C:\Windows\system32\mmc.exe"C:\Windows\system32\mmc.exe" "C:\Windows\system32\taskschd.msc" /s1⤵
- Drops file in System32 directory
- Suspicious behavior: GetForegroundWindowSpam
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of FindShellTrayWindow
- Suspicious use of SetWindowsHookEx
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C:\Users\Admin\AppData\Roaming\ACCApi\TrojanAIbot.exeC:\Users\Admin\AppData\Roaming\ACCApi\TrojanAIbot.exe1⤵
- Executes dropped EXE
- System Location Discovery: System Language Discovery
-
C:\Windows\System32\rundll32.exeC:\Windows\System32\rundll32.exe C:\Windows\System32\shell32.dll,SHCreateLocalServerRunDll {9aa46009-3ce0-458a-a354-715610a075e6} -Embedding1⤵
-
C:\Users\Admin\AppData\Roaming\ACCApi\TrojanAIbot.exe"C:\Users\Admin\AppData\Roaming\ACCApi\TrojanAIbot.exe"1⤵
- Executes dropped EXE
- System Location Discovery: System Language Discovery
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C:\Users\Admin\AppData\Roaming\ACCApi\TrojanAIbot.exe"C:\Users\Admin\AppData\Roaming\ACCApi\TrojanAIbot.exe"1⤵
- Executes dropped EXE
- System Location Discovery: System Language Discovery
-
C:\Users\Admin\AppData\Roaming\ACCApi\TrojanAIbot.exe"C:\Users\Admin\AppData\Roaming\ACCApi\TrojanAIbot.exe"1⤵
- Executes dropped EXE
- System Location Discovery: System Language Discovery
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C:\Users\Admin\AppData\Roaming\ACCApi\TrojanAIbot.exe"C:\Users\Admin\AppData\Roaming\ACCApi\TrojanAIbot.exe"1⤵
- Executes dropped EXE
- System Location Discovery: System Language Discovery
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
TrojanAIbot.exe.log
__PSScriptPolicyTest_q42tanw4.umk.ps1
tmpB035.tmp.cmd
TrojanAIbot.exe
memory/8-69-0x0000000074400000-0x0000000074BB0000-memory.dmp
memory/8-43-0x00000000064C0000-0x00000000064CA000-memory.dmp
memory/8-39-0x0000000074400000-0x0000000074BB0000-memory.dmp
memory/764-42-0x00000000064D0000-0x000000000651C000-memory.dmp
memory/764-56-0x0000000007480000-0x0000000007523000-memory.dmp
memory/764-19-0x0000000005C10000-0x0000000005C32000-memory.dmp
memory/764-20-0x0000000005CB0000-0x0000000005D16000-memory.dmp
memory/764-10-0x00000000055A0000-0x0000000005BC8000-memory.dmp
memory/764-36-0x00000000060B0000-0x0000000006404000-memory.dmp
memory/764-38-0x0000000074400000-0x0000000074BB0000-memory.dmp
memory/764-9-0x0000000074400000-0x0000000074BB0000-memory.dmp
memory/764-8-0x0000000004EE0000-0x0000000004F16000-memory.dmp
memory/764-21-0x0000000005D20000-0x0000000005D86000-memory.dmp
memory/764-41-0x0000000006490000-0x00000000064AE000-memory.dmp
memory/764-68-0x0000000074400000-0x0000000074BB0000-memory.dmp
memory/764-65-0x0000000007AD0000-0x0000000007AD8000-memory.dmp
memory/764-44-0x0000000006A60000-0x0000000006A92000-memory.dmp
memory/764-55-0x0000000007460000-0x000000000747E000-memory.dmp
memory/764-11-0x0000000074400000-0x0000000074BB0000-memory.dmp
memory/764-45-0x0000000071B50000-0x0000000071B9C000-memory.dmp
memory/764-57-0x0000000007E00000-0x000000000847A000-memory.dmp
memory/764-58-0x00000000077B0000-0x00000000077CA000-memory.dmp
memory/764-59-0x0000000007820000-0x000000000782A000-memory.dmp
memory/764-60-0x0000000007A30000-0x0000000007AC6000-memory.dmp
memory/764-61-0x00000000079B0000-0x00000000079C1000-memory.dmp
memory/764-62-0x00000000079E0000-0x00000000079EE000-memory.dmp
memory/764-63-0x00000000079F0000-0x0000000007A04000-memory.dmp
memory/764-64-0x0000000007AF0000-0x0000000007B0A000-memory.dmp
memory/3444-3-0x0000000005110000-0x00000000051A2000-memory.dmp
memory/3444-0-0x000000007440E000-0x000000007440F000-memory.dmp
memory/3444-2-0x0000000005620000-0x0000000005BC4000-memory.dmp
memory/3444-1-0x0000000000780000-0x00000000007BE000-memory.dmp