Analysis
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max time kernel
127s -
max time network
121s -
platform
windows7_x64 -
resource
win7-20240903-en -
resource tags
arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system -
submitted
24-09-2024 11:28
Behavioral task
behavioral1
Sample
040cef4a919bf259e750029187dcfeff8b4b8f18e6a65cb401ee941d7999dd51.exe
Resource
win7-20240903-en
windows7-x64
9 signatures
150 seconds
Behavioral task
behavioral2
Sample
040cef4a919bf259e750029187dcfeff8b4b8f18e6a65cb401ee941d7999dd51.exe
Resource
win10v2004-20240802-en
windows10-2004-x64
17 signatures
150 seconds
General
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Target
040cef4a919bf259e750029187dcfeff8b4b8f18e6a65cb401ee941d7999dd51.exe
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Size
158KB
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MD5
d89a424f932b8a69a4657e7ec09944da
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SHA1
7e1b1c99d1bc8fdbc8173ca9eda77dd2f4fd287c
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SHA256
040cef4a919bf259e750029187dcfeff8b4b8f18e6a65cb401ee941d7999dd51
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SHA512
459d3531c2f72637c99cd484f555a558f3aafc8e1d967e2333470863310d34fdfae8f0da3a7f20672e9040aaf2b2be3b3d6195dc6aaf0b9a53d28a40aa4282fe
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SSDEEP
3072:qbz+H+0OoCthfbEFtbcfjF45gjryKKqH6JY2doszEmQotEPPcfPoKO8Y:qbz+e0ODhTEPgnjuIJzo+PPcfPo18
Score
10/10
Malware Config
Extracted
Family
arrowrat
Botnet
Client
C2
147.185.221.17:55141
Mutex
YnZwwlrYv
Signatures
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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-1-5-21-312935884-697965778-3955649944-1000\Software\Microsoft\Active Setup\Installed Components explorer.exe -
Modifies registry class 5 IoCs
description ioc Process Key created \REGISTRY\USER\S-1-5-21-312935884-697965778-3955649944-1000_Classes\Local Settings explorer.exe Key created \REGISTRY\USER\S-1-5-21-312935884-697965778-3955649944-1000_CLASSES\Local Settings\Software\Microsoft\Windows\Shell explorer.exe Key created \REGISTRY\USER\S-1-5-21-312935884-697965778-3955649944-1000_CLASSES\Local Settings\Software\Microsoft\Windows\Shell\BagMRU explorer.exe Set value (data) \REGISTRY\USER\S-1-5-21-312935884-697965778-3955649944-1000_CLASSES\Local Settings\Software\Microsoft\Windows\Shell\BagMRU\NodeSlots explorer.exe Set value (data) \REGISTRY\USER\S-1-5-21-312935884-697965778-3955649944-1000_CLASSES\Local Settings\Software\Microsoft\Windows\Shell\BagMRU\MRUListEx = ffffffff explorer.exe -
Suspicious behavior: EnumeratesProcesses 21 IoCs
pid Process 2444 040cef4a919bf259e750029187dcfeff8b4b8f18e6a65cb401ee941d7999dd51.exe 2444 040cef4a919bf259e750029187dcfeff8b4b8f18e6a65cb401ee941d7999dd51.exe 2444 040cef4a919bf259e750029187dcfeff8b4b8f18e6a65cb401ee941d7999dd51.exe 2444 040cef4a919bf259e750029187dcfeff8b4b8f18e6a65cb401ee941d7999dd51.exe 2444 040cef4a919bf259e750029187dcfeff8b4b8f18e6a65cb401ee941d7999dd51.exe 2444 040cef4a919bf259e750029187dcfeff8b4b8f18e6a65cb401ee941d7999dd51.exe 2444 040cef4a919bf259e750029187dcfeff8b4b8f18e6a65cb401ee941d7999dd51.exe 2444 040cef4a919bf259e750029187dcfeff8b4b8f18e6a65cb401ee941d7999dd51.exe 2444 040cef4a919bf259e750029187dcfeff8b4b8f18e6a65cb401ee941d7999dd51.exe 2444 040cef4a919bf259e750029187dcfeff8b4b8f18e6a65cb401ee941d7999dd51.exe 2444 040cef4a919bf259e750029187dcfeff8b4b8f18e6a65cb401ee941d7999dd51.exe 2444 040cef4a919bf259e750029187dcfeff8b4b8f18e6a65cb401ee941d7999dd51.exe 2444 040cef4a919bf259e750029187dcfeff8b4b8f18e6a65cb401ee941d7999dd51.exe 2444 040cef4a919bf259e750029187dcfeff8b4b8f18e6a65cb401ee941d7999dd51.exe 2444 040cef4a919bf259e750029187dcfeff8b4b8f18e6a65cb401ee941d7999dd51.exe 2444 040cef4a919bf259e750029187dcfeff8b4b8f18e6a65cb401ee941d7999dd51.exe 2444 040cef4a919bf259e750029187dcfeff8b4b8f18e6a65cb401ee941d7999dd51.exe 2444 040cef4a919bf259e750029187dcfeff8b4b8f18e6a65cb401ee941d7999dd51.exe 2444 040cef4a919bf259e750029187dcfeff8b4b8f18e6a65cb401ee941d7999dd51.exe 2444 040cef4a919bf259e750029187dcfeff8b4b8f18e6a65cb401ee941d7999dd51.exe 2444 040cef4a919bf259e750029187dcfeff8b4b8f18e6a65cb401ee941d7999dd51.exe -
Suspicious use of AdjustPrivilegeToken 12 IoCs
description pid Process Token: SeDebugPrivilege 2444 040cef4a919bf259e750029187dcfeff8b4b8f18e6a65cb401ee941d7999dd51.exe Token: SeShutdownPrivilege 2992 explorer.exe Token: SeShutdownPrivilege 2992 explorer.exe Token: SeShutdownPrivilege 2992 explorer.exe Token: SeShutdownPrivilege 2992 explorer.exe Token: SeShutdownPrivilege 2992 explorer.exe Token: SeShutdownPrivilege 2992 explorer.exe Token: SeShutdownPrivilege 2992 explorer.exe Token: SeShutdownPrivilege 2992 explorer.exe Token: SeShutdownPrivilege 2992 explorer.exe Token: SeShutdownPrivilege 2992 explorer.exe Token: SeShutdownPrivilege 2992 explorer.exe -
Suspicious use of FindShellTrayWindow 27 IoCs
pid Process 2992 explorer.exe 2992 explorer.exe 2992 explorer.exe 2992 explorer.exe 2992 explorer.exe 2992 explorer.exe 2992 explorer.exe 2992 explorer.exe 2992 explorer.exe 2992 explorer.exe 2992 explorer.exe 2992 explorer.exe 2992 explorer.exe 2992 explorer.exe 2992 explorer.exe 2992 explorer.exe 2992 explorer.exe 2992 explorer.exe 2992 explorer.exe 2992 explorer.exe 2992 explorer.exe 2992 explorer.exe 2992 explorer.exe 2992 explorer.exe 2992 explorer.exe 2992 explorer.exe 2992 explorer.exe -
Suspicious use of SendNotifyMessage 17 IoCs
pid Process 2992 explorer.exe 2992 explorer.exe 2992 explorer.exe 2992 explorer.exe 2992 explorer.exe 2992 explorer.exe 2992 explorer.exe 2992 explorer.exe 2992 explorer.exe 2992 explorer.exe 2992 explorer.exe 2992 explorer.exe 2992 explorer.exe 2992 explorer.exe 2992 explorer.exe 2992 explorer.exe 2992 explorer.exe -
Suspicious use of WriteProcessMemory 46 IoCs
description pid Process procid_target PID 2444 wrote to memory of 2992 2444 040cef4a919bf259e750029187dcfeff8b4b8f18e6a65cb401ee941d7999dd51.exe 31 PID 2444 wrote to memory of 2992 2444 040cef4a919bf259e750029187dcfeff8b4b8f18e6a65cb401ee941d7999dd51.exe 31 PID 2444 wrote to memory of 2992 2444 040cef4a919bf259e750029187dcfeff8b4b8f18e6a65cb401ee941d7999dd51.exe 31 PID 2992 wrote to memory of 2412 2992 explorer.exe 33 PID 2992 wrote to memory of 2412 2992 explorer.exe 33 PID 2992 wrote to memory of 2412 2992 explorer.exe 33 PID 2444 wrote to memory of 1020 2444 040cef4a919bf259e750029187dcfeff8b4b8f18e6a65cb401ee941d7999dd51.exe 32 PID 2444 wrote to memory of 1020 2444 040cef4a919bf259e750029187dcfeff8b4b8f18e6a65cb401ee941d7999dd51.exe 32 PID 2444 wrote to memory of 1020 2444 040cef4a919bf259e750029187dcfeff8b4b8f18e6a65cb401ee941d7999dd51.exe 32 PID 2444 wrote to memory of 1020 2444 040cef4a919bf259e750029187dcfeff8b4b8f18e6a65cb401ee941d7999dd51.exe 32 PID 2444 wrote to memory of 2832 2444 040cef4a919bf259e750029187dcfeff8b4b8f18e6a65cb401ee941d7999dd51.exe 34 PID 2444 wrote to memory of 2832 2444 040cef4a919bf259e750029187dcfeff8b4b8f18e6a65cb401ee941d7999dd51.exe 34 PID 2444 wrote to memory of 2832 2444 040cef4a919bf259e750029187dcfeff8b4b8f18e6a65cb401ee941d7999dd51.exe 34 PID 2444 wrote to memory of 2832 2444 040cef4a919bf259e750029187dcfeff8b4b8f18e6a65cb401ee941d7999dd51.exe 34 PID 2444 wrote to memory of 2364 2444 040cef4a919bf259e750029187dcfeff8b4b8f18e6a65cb401ee941d7999dd51.exe 35 PID 2444 wrote to memory of 2364 2444 040cef4a919bf259e750029187dcfeff8b4b8f18e6a65cb401ee941d7999dd51.exe 35 PID 2444 wrote to memory of 2364 2444 040cef4a919bf259e750029187dcfeff8b4b8f18e6a65cb401ee941d7999dd51.exe 35 PID 2444 wrote to memory of 2364 2444 040cef4a919bf259e750029187dcfeff8b4b8f18e6a65cb401ee941d7999dd51.exe 35 PID 2444 wrote to memory of 2140 2444 040cef4a919bf259e750029187dcfeff8b4b8f18e6a65cb401ee941d7999dd51.exe 36 PID 2444 wrote to memory of 2140 2444 040cef4a919bf259e750029187dcfeff8b4b8f18e6a65cb401ee941d7999dd51.exe 36 PID 2444 wrote to memory of 2140 2444 040cef4a919bf259e750029187dcfeff8b4b8f18e6a65cb401ee941d7999dd51.exe 36 PID 2444 wrote to memory of 2140 2444 040cef4a919bf259e750029187dcfeff8b4b8f18e6a65cb401ee941d7999dd51.exe 36 PID 2444 wrote to memory of 1884 2444 040cef4a919bf259e750029187dcfeff8b4b8f18e6a65cb401ee941d7999dd51.exe 37 PID 2444 wrote to memory of 1884 2444 040cef4a919bf259e750029187dcfeff8b4b8f18e6a65cb401ee941d7999dd51.exe 37 PID 2444 wrote to memory of 1884 2444 040cef4a919bf259e750029187dcfeff8b4b8f18e6a65cb401ee941d7999dd51.exe 37 PID 2444 wrote to memory of 1884 2444 040cef4a919bf259e750029187dcfeff8b4b8f18e6a65cb401ee941d7999dd51.exe 37 PID 2444 wrote to memory of 2268 2444 040cef4a919bf259e750029187dcfeff8b4b8f18e6a65cb401ee941d7999dd51.exe 38 PID 2444 wrote to memory of 2268 2444 040cef4a919bf259e750029187dcfeff8b4b8f18e6a65cb401ee941d7999dd51.exe 38 PID 2444 wrote to memory of 2268 2444 040cef4a919bf259e750029187dcfeff8b4b8f18e6a65cb401ee941d7999dd51.exe 38 PID 2444 wrote to memory of 2268 2444 040cef4a919bf259e750029187dcfeff8b4b8f18e6a65cb401ee941d7999dd51.exe 38 PID 2444 wrote to memory of 2432 2444 040cef4a919bf259e750029187dcfeff8b4b8f18e6a65cb401ee941d7999dd51.exe 39 PID 2444 wrote to memory of 2432 2444 040cef4a919bf259e750029187dcfeff8b4b8f18e6a65cb401ee941d7999dd51.exe 39 PID 2444 wrote to memory of 2432 2444 040cef4a919bf259e750029187dcfeff8b4b8f18e6a65cb401ee941d7999dd51.exe 39 PID 2444 wrote to memory of 2432 2444 040cef4a919bf259e750029187dcfeff8b4b8f18e6a65cb401ee941d7999dd51.exe 39 PID 2444 wrote to memory of 2692 2444 040cef4a919bf259e750029187dcfeff8b4b8f18e6a65cb401ee941d7999dd51.exe 40 PID 2444 wrote to memory of 2692 2444 040cef4a919bf259e750029187dcfeff8b4b8f18e6a65cb401ee941d7999dd51.exe 40 PID 2444 wrote to memory of 2692 2444 040cef4a919bf259e750029187dcfeff8b4b8f18e6a65cb401ee941d7999dd51.exe 40 PID 2444 wrote to memory of 2692 2444 040cef4a919bf259e750029187dcfeff8b4b8f18e6a65cb401ee941d7999dd51.exe 40 PID 2444 wrote to memory of 2700 2444 040cef4a919bf259e750029187dcfeff8b4b8f18e6a65cb401ee941d7999dd51.exe 41 PID 2444 wrote to memory of 2700 2444 040cef4a919bf259e750029187dcfeff8b4b8f18e6a65cb401ee941d7999dd51.exe 41 PID 2444 wrote to memory of 2700 2444 040cef4a919bf259e750029187dcfeff8b4b8f18e6a65cb401ee941d7999dd51.exe 41 PID 2444 wrote to memory of 2700 2444 040cef4a919bf259e750029187dcfeff8b4b8f18e6a65cb401ee941d7999dd51.exe 41 PID 2444 wrote to memory of 2740 2444 040cef4a919bf259e750029187dcfeff8b4b8f18e6a65cb401ee941d7999dd51.exe 42 PID 2444 wrote to memory of 2740 2444 040cef4a919bf259e750029187dcfeff8b4b8f18e6a65cb401ee941d7999dd51.exe 42 PID 2444 wrote to memory of 2740 2444 040cef4a919bf259e750029187dcfeff8b4b8f18e6a65cb401ee941d7999dd51.exe 42 PID 2444 wrote to memory of 2740 2444 040cef4a919bf259e750029187dcfeff8b4b8f18e6a65cb401ee941d7999dd51.exe 42 -
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\040cef4a919bf259e750029187dcfeff8b4b8f18e6a65cb401ee941d7999dd51.exe"C:\Users\Admin\AppData\Local\Temp\040cef4a919bf259e750029187dcfeff8b4b8f18e6a65cb401ee941d7999dd51.exe"1⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2444 -
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:2992 -
C:\Windows\system32\ctfmon.exectfmon.exe3⤵PID:2412
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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 147.185.221.17 55141 YnZwwlrYv2⤵PID:1020
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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 147.185.221.17 55141 YnZwwlrYv2⤵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 147.185.221.17 55141 YnZwwlrYv2⤵PID:2364
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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 147.185.221.17 55141 YnZwwlrYv2⤵PID:2140
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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 147.185.221.17 55141 YnZwwlrYv2⤵PID:1884
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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 147.185.221.17 55141 YnZwwlrYv2⤵PID:2268
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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 147.185.221.17 55141 YnZwwlrYv2⤵PID:2432
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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 147.185.221.17 55141 YnZwwlrYv2⤵PID:2692
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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 147.185.221.17 55141 YnZwwlrYv2⤵PID:2700
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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 147.185.221.17 55141 YnZwwlrYv2⤵PID:2740
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