Analysis
- max time kernel
138s - max time network
35s - platform
windows7_x64 - resource
win7-20230220-en - resource tags
arch:x64arch:x86image:win7-20230220-enlocale:en-usos:windows7-x64system - submitted
20/06/2023, 00:59
Behavioral task
behavioral1
Sample
file.exe
Resource
win7-20230220-en
windows7-x64
9 signatures
150 seconds
Behavioral task
behavioral2
Sample
file.exe
Resource
win10v2004-20230220-en
windows10-2004-x64
12 signatures
150 seconds
General
- Target file.exe
- Size 158KB
- Sample230620-bb3hwshb76
- SHA256 90093c647c4ef8f612e3e470c93debfb667aaf39073cd503cd670c6355dc474a
- MD5 1a6204ba18ed28ba84ae8a3299602bc8
- SHA1 ca32927f6e8d86e326fda075f096b16fae482c88
- SHA512 375d332c572066e9296b8f87a0bf62309db02f6f82dc91c300099e3d7e3a004a9987b88c58ff1114fcf6588d960ef41b296eaed69db1a5cc0b8b78c7f546641c
- SSDEEP 3072:gbzZDH+0OoCthfbEFtbcfjF45gjryKKqH6JY2doszEmQotEPPcfPjSO8Y:gbzZDe0ODhTEPgnjuIJzo+PPcfPjN8
- MD5 SHA1 SHA512 SSDEEP
Score
10/10
Malware Config
Extracted
Family
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arrowrat
Botnet
-
Client
C2
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3.142.167.4:14894
Mutex
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LFqZKjDAo
Signatures
- Modifies Installed Components in the registry 2 TTPs 1 IoCs
description ioc Process Key created \REGISTRY\USER\S-1-5-21-1563773381-2037468142-1146002597-1000\Software\Microsoft\Active Setup\Installed Components explorer.exe - Modifies registry class 5 IoCs
description ioc Process Key created \REGISTRY\USER\S-1-5-21-1563773381-2037468142-1146002597-1000_CLASSES\Local Settings\Software\Microsoft\Windows\Shell explorer.exe Key created \REGISTRY\USER\S-1-5-21-1563773381-2037468142-1146002597-1000_CLASSES\Local Settings\Software\Microsoft\Windows\Shell\BagMRU explorer.exe Set value (data) \REGISTRY\USER\S-1-5-21-1563773381-2037468142-1146002597-1000_CLASSES\Local Settings\Software\Microsoft\Windows\Shell\BagMRU\NodeSlots explorer.exe Set value (data) \REGISTRY\USER\S-1-5-21-1563773381-2037468142-1146002597-1000_CLASSES\Local Settings\Software\Microsoft\Windows\Shell\BagMRU\MRUListEx = ffffffff explorer.exe Key created \REGISTRY\USER\S-1-5-21-1563773381-2037468142-1146002597-1000_Classes\Local Settings explorer.exe - Suspicious behavior: EnumeratesProcesses 11 IoCs
pid Process 1780 file.exe 1780 file.exe 1780 file.exe 1780 file.exe 1780 file.exe 1780 file.exe 1780 file.exe 1780 file.exe 1780 file.exe 1780 file.exe 1780 file.exe - Suspicious use of AdjustPrivilegeToken 16 IoCs
description pid Process Token: SeDebugPrivilege 1780 file.exe Token: SeShutdownPrivilege 1256 explorer.exe Token: SeShutdownPrivilege 1256 explorer.exe Token: SeShutdownPrivilege 1256 explorer.exe Token: SeShutdownPrivilege 1256 explorer.exe Token: SeShutdownPrivilege 1256 explorer.exe Token: SeShutdownPrivilege 1256 explorer.exe Token: SeShutdownPrivilege 1256 explorer.exe Token: SeShutdownPrivilege 1256 explorer.exe Token: 33 1804 AUDIODG.EXE Token: SeIncBasePriorityPrivilege 1804 AUDIODG.EXE Token: 33 1804 AUDIODG.EXE Token: SeIncBasePriorityPrivilege 1804 AUDIODG.EXE Token: SeShutdownPrivilege 1256 explorer.exe Token: SeShutdownPrivilege 1256 explorer.exe Token: SeShutdownPrivilege 1256 explorer.exe - Suspicious use of FindShellTrayWindow 27 IoCs
pid Process 1256 explorer.exe 1256 explorer.exe 1256 explorer.exe 1256 explorer.exe 1256 explorer.exe 1256 explorer.exe 1256 explorer.exe 1256 explorer.exe 1256 explorer.exe 1256 explorer.exe 1256 explorer.exe 1256 explorer.exe 1256 explorer.exe 1256 explorer.exe 1256 explorer.exe 1256 explorer.exe 1256 explorer.exe 1256 explorer.exe 1256 explorer.exe 1256 explorer.exe 1256 explorer.exe 1256 explorer.exe 1256 explorer.exe 1256 explorer.exe 1256 explorer.exe 1256 explorer.exe 1256 explorer.exe - Suspicious use of SendNotifyMessage 17 IoCs
pid Process 1256 explorer.exe 1256 explorer.exe 1256 explorer.exe 1256 explorer.exe 1256 explorer.exe 1256 explorer.exe 1256 explorer.exe 1256 explorer.exe 1256 explorer.exe 1256 explorer.exe 1256 explorer.exe 1256 explorer.exe 1256 explorer.exe 1256 explorer.exe 1256 explorer.exe 1256 explorer.exe 1256 explorer.exe - Suspicious use of WriteProcessMemory 46 IoCs
description pid Process procid_target PID 1780 wrote to memory of 1256 1780 file.exe 26 PID 1780 wrote to memory of 1256 1780 file.exe 26 PID 1780 wrote to memory of 1256 1780 file.exe 26 PID 1780 wrote to memory of 1680 1780 file.exe 27 PID 1780 wrote to memory of 1680 1780 file.exe 27 PID 1780 wrote to memory of 1680 1780 file.exe 27 PID 1780 wrote to memory of 1680 1780 file.exe 27 PID 1780 wrote to memory of 2024 1780 file.exe 28 PID 1780 wrote to memory of 2024 1780 file.exe 28 PID 1780 wrote to memory of 2024 1780 file.exe 28 PID 1780 wrote to memory of 2024 1780 file.exe 28 PID 1780 wrote to memory of 1900 1780 file.exe 36 PID 1780 wrote to memory of 1900 1780 file.exe 36 PID 1780 wrote to memory of 1900 1780 file.exe 36 PID 1780 wrote to memory of 1900 1780 file.exe 36 PID 1780 wrote to memory of 676 1780 file.exe 29 PID 1780 wrote to memory of 676 1780 file.exe 29 PID 1780 wrote to memory of 676 1780 file.exe 29 PID 1780 wrote to memory of 676 1780 file.exe 29 PID 1780 wrote to memory of 1472 1780 file.exe 35 PID 1780 wrote to memory of 1472 1780 file.exe 35 PID 1780 wrote to memory of 1472 1780 file.exe 35 PID 1780 wrote to memory of 1472 1780 file.exe 35 PID 1780 wrote to memory of 1496 1780 file.exe 30 PID 1780 wrote to memory of 1496 1780 file.exe 30 PID 1780 wrote to memory of 1496 1780 file.exe 30 PID 1780 wrote to memory of 1496 1780 file.exe 30 PID 1780 wrote to memory of 584 1780 file.exe 34 PID 1780 wrote to memory of 584 1780 file.exe 34 PID 1780 wrote to memory of 584 1780 file.exe 34 PID 1780 wrote to memory of 584 1780 file.exe 34 PID 1780 wrote to memory of 548 1780 file.exe 31 PID 1780 wrote to memory of 548 1780 file.exe 31 PID 1780 wrote to memory of 548 1780 file.exe 31 PID 1780 wrote to memory of 548 1780 file.exe 31 PID 1780 wrote to memory of 884 1780 file.exe 32 PID 1780 wrote to memory of 884 1780 file.exe 32 PID 1780 wrote to memory of 884 1780 file.exe 32 PID 1780 wrote to memory of 884 1780 file.exe 32 PID 1780 wrote to memory of 1072 1780 file.exe 33 PID 1780 wrote to memory of 1072 1780 file.exe 33 PID 1780 wrote to memory of 1072 1780 file.exe 33 PID 1780 wrote to memory of 1072 1780 file.exe 33 PID 1256 wrote to memory of 1540 1256 explorer.exe 37 PID 1256 wrote to memory of 1540 1256 explorer.exe 37 PID 1256 wrote to memory of 1540 1256 explorer.exe 37 - 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\file.exe"C:\Users\Admin\AppData\Local\Temp\file.exe"1⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1780 -
C:\Windows\explorer.exe"C:\Windows\explorer.exe"2⤵
- Modifies Installed Components in the registry
- Modifies registry class
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of FindShellTrayWindow
- Suspicious use of SendNotifyMessage
- Suspicious use of WriteProcessMemory
PID:1256 -
C:\Windows\system32\ctfmon.exectfmon.exe3⤵PID:1540
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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 3.142.167.4 14894 LFqZKjDAo2⤵PID:1680
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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 3.142.167.4 14894 LFqZKjDAo2⤵PID:2024
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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 3.142.167.4 14894 LFqZKjDAo2⤵PID:676
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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 3.142.167.4 14894 LFqZKjDAo2⤵PID:1496
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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 3.142.167.4 14894 LFqZKjDAo2⤵PID:548
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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 3.142.167.4 14894 LFqZKjDAo2⤵PID:884
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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 3.142.167.4 14894 LFqZKjDAo2⤵PID:1072
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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 3.142.167.4 14894 LFqZKjDAo2⤵PID:584
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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 3.142.167.4 14894 LFqZKjDAo2⤵PID:1472
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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 3.142.167.4 14894 LFqZKjDAo2⤵PID:1900
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C:\Windows\system32\AUDIODG.EXEC:\Windows\system32\AUDIODG.EXE 0x5201⤵
- Suspicious use of AdjustPrivilegeToken
PID:1804