Analysis
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max time kernel
129s -
max time network
18s -
platform
windows7_x64 -
resource
win7-20240903-en -
resource tags
arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system -
submitted
25-09-2024 01:02
Behavioral task
behavioral1
Sample
040cef4a919bf259e750029187dcfeff8b4b8f18e6a65cb401ee941d7999dd51.exe
Resource
win7-20240903-en
Behavioral task
behavioral2
Sample
040cef4a919bf259e750029187dcfeff8b4b8f18e6a65cb401ee941d7999dd51.exe
Resource
win10v2004-20240910-en
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
Malware Config
Extracted
arrowrat
Client
147.185.221.17:55141
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-1-5-21-457978338-2990298471-2379561640-1000\Software\Microsoft\Active Setup\Installed Components explorer.exe -
Modifies registry class 5 IoCs
description ioc Process Set value (data) \REGISTRY\USER\S-1-5-21-457978338-2990298471-2379561640-1000_CLASSES\Local Settings\Software\Microsoft\Windows\Shell\BagMRU\NodeSlots explorer.exe Set value (data) \REGISTRY\USER\S-1-5-21-457978338-2990298471-2379561640-1000_CLASSES\Local Settings\Software\Microsoft\Windows\Shell\BagMRU\MRUListEx = ffffffff explorer.exe Key created \REGISTRY\USER\S-1-5-21-457978338-2990298471-2379561640-1000_Classes\Local Settings explorer.exe Key created \REGISTRY\USER\S-1-5-21-457978338-2990298471-2379561640-1000_CLASSES\Local Settings\Software\Microsoft\Windows\Shell explorer.exe Key created \REGISTRY\USER\S-1-5-21-457978338-2990298471-2379561640-1000_CLASSES\Local Settings\Software\Microsoft\Windows\Shell\BagMRU explorer.exe -
Suspicious behavior: EnumeratesProcesses 21 IoCs
pid Process 3060 040cef4a919bf259e750029187dcfeff8b4b8f18e6a65cb401ee941d7999dd51.exe 3060 040cef4a919bf259e750029187dcfeff8b4b8f18e6a65cb401ee941d7999dd51.exe 3060 040cef4a919bf259e750029187dcfeff8b4b8f18e6a65cb401ee941d7999dd51.exe 3060 040cef4a919bf259e750029187dcfeff8b4b8f18e6a65cb401ee941d7999dd51.exe 3060 040cef4a919bf259e750029187dcfeff8b4b8f18e6a65cb401ee941d7999dd51.exe 3060 040cef4a919bf259e750029187dcfeff8b4b8f18e6a65cb401ee941d7999dd51.exe 3060 040cef4a919bf259e750029187dcfeff8b4b8f18e6a65cb401ee941d7999dd51.exe 3060 040cef4a919bf259e750029187dcfeff8b4b8f18e6a65cb401ee941d7999dd51.exe 3060 040cef4a919bf259e750029187dcfeff8b4b8f18e6a65cb401ee941d7999dd51.exe 3060 040cef4a919bf259e750029187dcfeff8b4b8f18e6a65cb401ee941d7999dd51.exe 3060 040cef4a919bf259e750029187dcfeff8b4b8f18e6a65cb401ee941d7999dd51.exe 3060 040cef4a919bf259e750029187dcfeff8b4b8f18e6a65cb401ee941d7999dd51.exe 3060 040cef4a919bf259e750029187dcfeff8b4b8f18e6a65cb401ee941d7999dd51.exe 3060 040cef4a919bf259e750029187dcfeff8b4b8f18e6a65cb401ee941d7999dd51.exe 3060 040cef4a919bf259e750029187dcfeff8b4b8f18e6a65cb401ee941d7999dd51.exe 3060 040cef4a919bf259e750029187dcfeff8b4b8f18e6a65cb401ee941d7999dd51.exe 3060 040cef4a919bf259e750029187dcfeff8b4b8f18e6a65cb401ee941d7999dd51.exe 3060 040cef4a919bf259e750029187dcfeff8b4b8f18e6a65cb401ee941d7999dd51.exe 3060 040cef4a919bf259e750029187dcfeff8b4b8f18e6a65cb401ee941d7999dd51.exe 3060 040cef4a919bf259e750029187dcfeff8b4b8f18e6a65cb401ee941d7999dd51.exe 3060 040cef4a919bf259e750029187dcfeff8b4b8f18e6a65cb401ee941d7999dd51.exe -
Suspicious use of AdjustPrivilegeToken 16 IoCs
description pid Process Token: SeDebugPrivilege 3060 040cef4a919bf259e750029187dcfeff8b4b8f18e6a65cb401ee941d7999dd51.exe Token: SeShutdownPrivilege 1980 explorer.exe Token: SeShutdownPrivilege 1980 explorer.exe Token: SeShutdownPrivilege 1980 explorer.exe Token: SeShutdownPrivilege 1980 explorer.exe Token: SeShutdownPrivilege 1980 explorer.exe Token: SeShutdownPrivilege 1980 explorer.exe Token: SeShutdownPrivilege 1980 explorer.exe Token: SeShutdownPrivilege 1980 explorer.exe Token: 33 2916 AUDIODG.EXE Token: SeIncBasePriorityPrivilege 2916 AUDIODG.EXE Token: 33 2916 AUDIODG.EXE Token: SeIncBasePriorityPrivilege 2916 AUDIODG.EXE Token: SeShutdownPrivilege 1980 explorer.exe Token: SeShutdownPrivilege 1980 explorer.exe Token: SeShutdownPrivilege 1980 explorer.exe -
Suspicious use of FindShellTrayWindow 28 IoCs
pid Process 1980 explorer.exe 1980 explorer.exe 1980 explorer.exe 1980 explorer.exe 1980 explorer.exe 1980 explorer.exe 1980 explorer.exe 1980 explorer.exe 1980 explorer.exe 1980 explorer.exe 1980 explorer.exe 1980 explorer.exe 1980 explorer.exe 1980 explorer.exe 1980 explorer.exe 1980 explorer.exe 1980 explorer.exe 1980 explorer.exe 1980 explorer.exe 1980 explorer.exe 1980 explorer.exe 1980 explorer.exe 1980 explorer.exe 1980 explorer.exe 1980 explorer.exe 1980 explorer.exe 1980 explorer.exe 1980 explorer.exe -
Suspicious use of SendNotifyMessage 18 IoCs
pid Process 1980 explorer.exe 1980 explorer.exe 1980 explorer.exe 1980 explorer.exe 1980 explorer.exe 1980 explorer.exe 1980 explorer.exe 1980 explorer.exe 1980 explorer.exe 1980 explorer.exe 1980 explorer.exe 1980 explorer.exe 1980 explorer.exe 1980 explorer.exe 1980 explorer.exe 1980 explorer.exe 1980 explorer.exe 1980 explorer.exe -
Suspicious use of WriteProcessMemory 46 IoCs
description pid Process procid_target PID 3060 wrote to memory of 1980 3060 040cef4a919bf259e750029187dcfeff8b4b8f18e6a65cb401ee941d7999dd51.exe 29 PID 3060 wrote to memory of 1980 3060 040cef4a919bf259e750029187dcfeff8b4b8f18e6a65cb401ee941d7999dd51.exe 29 PID 3060 wrote to memory of 1980 3060 040cef4a919bf259e750029187dcfeff8b4b8f18e6a65cb401ee941d7999dd51.exe 29 PID 3060 wrote to memory of 3064 3060 040cef4a919bf259e750029187dcfeff8b4b8f18e6a65cb401ee941d7999dd51.exe 30 PID 3060 wrote to memory of 3064 3060 040cef4a919bf259e750029187dcfeff8b4b8f18e6a65cb401ee941d7999dd51.exe 30 PID 3060 wrote to memory of 3064 3060 040cef4a919bf259e750029187dcfeff8b4b8f18e6a65cb401ee941d7999dd51.exe 30 PID 3060 wrote to memory of 3064 3060 040cef4a919bf259e750029187dcfeff8b4b8f18e6a65cb401ee941d7999dd51.exe 30 PID 3060 wrote to memory of 2744 3060 040cef4a919bf259e750029187dcfeff8b4b8f18e6a65cb401ee941d7999dd51.exe 31 PID 3060 wrote to memory of 2744 3060 040cef4a919bf259e750029187dcfeff8b4b8f18e6a65cb401ee941d7999dd51.exe 31 PID 3060 wrote to memory of 2744 3060 040cef4a919bf259e750029187dcfeff8b4b8f18e6a65cb401ee941d7999dd51.exe 31 PID 3060 wrote to memory of 2744 3060 040cef4a919bf259e750029187dcfeff8b4b8f18e6a65cb401ee941d7999dd51.exe 31 PID 3060 wrote to memory of 2180 3060 040cef4a919bf259e750029187dcfeff8b4b8f18e6a65cb401ee941d7999dd51.exe 32 PID 3060 wrote to memory of 2180 3060 040cef4a919bf259e750029187dcfeff8b4b8f18e6a65cb401ee941d7999dd51.exe 32 PID 3060 wrote to memory of 2180 3060 040cef4a919bf259e750029187dcfeff8b4b8f18e6a65cb401ee941d7999dd51.exe 32 PID 3060 wrote to memory of 2180 3060 040cef4a919bf259e750029187dcfeff8b4b8f18e6a65cb401ee941d7999dd51.exe 32 PID 3060 wrote to memory of 2132 3060 040cef4a919bf259e750029187dcfeff8b4b8f18e6a65cb401ee941d7999dd51.exe 33 PID 3060 wrote to memory of 2132 3060 040cef4a919bf259e750029187dcfeff8b4b8f18e6a65cb401ee941d7999dd51.exe 33 PID 3060 wrote to memory of 2132 3060 040cef4a919bf259e750029187dcfeff8b4b8f18e6a65cb401ee941d7999dd51.exe 33 PID 3060 wrote to memory of 2132 3060 040cef4a919bf259e750029187dcfeff8b4b8f18e6a65cb401ee941d7999dd51.exe 33 PID 3060 wrote to memory of 2284 3060 040cef4a919bf259e750029187dcfeff8b4b8f18e6a65cb401ee941d7999dd51.exe 34 PID 3060 wrote to memory of 2284 3060 040cef4a919bf259e750029187dcfeff8b4b8f18e6a65cb401ee941d7999dd51.exe 34 PID 3060 wrote to memory of 2284 3060 040cef4a919bf259e750029187dcfeff8b4b8f18e6a65cb401ee941d7999dd51.exe 34 PID 3060 wrote to memory of 2284 3060 040cef4a919bf259e750029187dcfeff8b4b8f18e6a65cb401ee941d7999dd51.exe 34 PID 3060 wrote to memory of 2796 3060 040cef4a919bf259e750029187dcfeff8b4b8f18e6a65cb401ee941d7999dd51.exe 35 PID 3060 wrote to memory of 2796 3060 040cef4a919bf259e750029187dcfeff8b4b8f18e6a65cb401ee941d7999dd51.exe 35 PID 3060 wrote to memory of 2796 3060 040cef4a919bf259e750029187dcfeff8b4b8f18e6a65cb401ee941d7999dd51.exe 35 PID 3060 wrote to memory of 2796 3060 040cef4a919bf259e750029187dcfeff8b4b8f18e6a65cb401ee941d7999dd51.exe 35 PID 3060 wrote to memory of 2756 3060 040cef4a919bf259e750029187dcfeff8b4b8f18e6a65cb401ee941d7999dd51.exe 36 PID 3060 wrote to memory of 2756 3060 040cef4a919bf259e750029187dcfeff8b4b8f18e6a65cb401ee941d7999dd51.exe 36 PID 3060 wrote to memory of 2756 3060 040cef4a919bf259e750029187dcfeff8b4b8f18e6a65cb401ee941d7999dd51.exe 36 PID 3060 wrote to memory of 2756 3060 040cef4a919bf259e750029187dcfeff8b4b8f18e6a65cb401ee941d7999dd51.exe 36 PID 3060 wrote to memory of 2868 3060 040cef4a919bf259e750029187dcfeff8b4b8f18e6a65cb401ee941d7999dd51.exe 37 PID 3060 wrote to memory of 2868 3060 040cef4a919bf259e750029187dcfeff8b4b8f18e6a65cb401ee941d7999dd51.exe 37 PID 3060 wrote to memory of 2868 3060 040cef4a919bf259e750029187dcfeff8b4b8f18e6a65cb401ee941d7999dd51.exe 37 PID 3060 wrote to memory of 2868 3060 040cef4a919bf259e750029187dcfeff8b4b8f18e6a65cb401ee941d7999dd51.exe 37 PID 3060 wrote to memory of 2884 3060 040cef4a919bf259e750029187dcfeff8b4b8f18e6a65cb401ee941d7999dd51.exe 38 PID 3060 wrote to memory of 2884 3060 040cef4a919bf259e750029187dcfeff8b4b8f18e6a65cb401ee941d7999dd51.exe 38 PID 3060 wrote to memory of 2884 3060 040cef4a919bf259e750029187dcfeff8b4b8f18e6a65cb401ee941d7999dd51.exe 38 PID 3060 wrote to memory of 2884 3060 040cef4a919bf259e750029187dcfeff8b4b8f18e6a65cb401ee941d7999dd51.exe 38 PID 3060 wrote to memory of 2888 3060 040cef4a919bf259e750029187dcfeff8b4b8f18e6a65cb401ee941d7999dd51.exe 39 PID 3060 wrote to memory of 2888 3060 040cef4a919bf259e750029187dcfeff8b4b8f18e6a65cb401ee941d7999dd51.exe 39 PID 3060 wrote to memory of 2888 3060 040cef4a919bf259e750029187dcfeff8b4b8f18e6a65cb401ee941d7999dd51.exe 39 PID 3060 wrote to memory of 2888 3060 040cef4a919bf259e750029187dcfeff8b4b8f18e6a65cb401ee941d7999dd51.exe 39 PID 1980 wrote to memory of 2872 1980 explorer.exe 40 PID 1980 wrote to memory of 2872 1980 explorer.exe 40 PID 1980 wrote to memory of 2872 1980 explorer.exe 40 -
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:3060 -
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:1980 -
C:\Windows\system32\ctfmon.exectfmon.exe3⤵PID:2872
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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:3064
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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:2744
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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:2180
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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:2132
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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:2284
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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:2796
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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:2756
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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:2868
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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:2884
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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:2888
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C:\Windows\system32\AUDIODG.EXEC:\Windows\system32\AUDIODG.EXE 0x1c81⤵
- Suspicious use of AdjustPrivilegeToken
PID:2916