Analysis
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max time kernel
137s -
max time network
33s -
platform
windows7_x64 -
resource
win7-20230220-en -
resource tags
arch:x64arch:x86image:win7-20230220-enlocale:en-usos:windows7-x64system -
submitted
05-03-2023 23:35
Behavioral task
behavioral1
Sample
bDiL.exe
Resource
win7-20230220-en
windows7-x64
9 signatures
150 seconds
Behavioral task
behavioral2
Sample
bDiL.exe
Resource
win10v2004-20230220-en
windows10-2004-x64
12 signatures
150 seconds
General
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Target
bDiL.exe
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Size
138KB
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MD5
fcc0c059b3a4b6f9f865fcde362b9acb
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SHA1
23edfe65a519d095ca11f3987bfe6de661953f49
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SHA256
17a76858f5bba3812b8f429e261ba0e84baf8197fe1f4478aa6c7adc5d8dd6ff
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SHA512
0ebd9972df18c0de58077dceaf0e9618e4e6c004d53775272c8db9613a8db90834e10a255213f55ff492ae489498cc9bdbecf386986cdb1d5a0d2cfe45785b43
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SSDEEP
3072:2bvt5mz7Bqh1v59Y08mAjs0Ltel+qOeJHlpV8b+Y/YO:2bv7S7BqjjYHdrqkL/
Score
10/10
Malware Config
Extracted
Family
arrowrat
Botnet
IL61HB
C2
windowsii.duckdns.org:1338
Mutex
3W69EU
Signatures
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Modifies Installed Components in the registry 2 TTPs 1 IoCs
description ioc Process Key created \REGISTRY\USER\S-1-5-21-3948302646-268491222-1934009652-1000\Software\Microsoft\Active Setup\Installed Components explorer.exe -
Modifies registry class 5 IoCs
description ioc Process Set value (data) \REGISTRY\USER\S-1-5-21-3948302646-268491222-1934009652-1000_CLASSES\Local Settings\Software\Microsoft\Windows\Shell\BagMRU\NodeSlots explorer.exe Set value (data) \REGISTRY\USER\S-1-5-21-3948302646-268491222-1934009652-1000_CLASSES\Local Settings\Software\Microsoft\Windows\Shell\BagMRU\MRUListEx = ffffffff explorer.exe Key created \REGISTRY\USER\S-1-5-21-3948302646-268491222-1934009652-1000_Classes\Local Settings explorer.exe Key created \REGISTRY\USER\S-1-5-21-3948302646-268491222-1934009652-1000_CLASSES\Local Settings\Software\Microsoft\Windows\Shell explorer.exe Key created \REGISTRY\USER\S-1-5-21-3948302646-268491222-1934009652-1000_CLASSES\Local Settings\Software\Microsoft\Windows\Shell\BagMRU explorer.exe -
Suspicious behavior: EnumeratesProcesses 21 IoCs
pid Process 1964 bDiL.exe 1964 bDiL.exe 1964 bDiL.exe 1964 bDiL.exe 1964 bDiL.exe 1964 bDiL.exe 1964 bDiL.exe 1964 bDiL.exe 1964 bDiL.exe 1964 bDiL.exe 1964 bDiL.exe 1964 bDiL.exe 1964 bDiL.exe 1964 bDiL.exe 1964 bDiL.exe 1964 bDiL.exe 1964 bDiL.exe 1964 bDiL.exe 1964 bDiL.exe 1964 bDiL.exe 1964 bDiL.exe -
Suspicious use of AdjustPrivilegeToken 16 IoCs
description pid Process Token: SeDebugPrivilege 1964 bDiL.exe Token: SeShutdownPrivilege 1172 explorer.exe Token: SeShutdownPrivilege 1172 explorer.exe Token: SeShutdownPrivilege 1172 explorer.exe Token: SeShutdownPrivilege 1172 explorer.exe Token: SeShutdownPrivilege 1172 explorer.exe Token: SeShutdownPrivilege 1172 explorer.exe Token: SeShutdownPrivilege 1172 explorer.exe Token: SeShutdownPrivilege 1172 explorer.exe Token: 33 1516 AUDIODG.EXE Token: SeIncBasePriorityPrivilege 1516 AUDIODG.EXE Token: 33 1516 AUDIODG.EXE Token: SeIncBasePriorityPrivilege 1516 AUDIODG.EXE Token: SeShutdownPrivilege 1172 explorer.exe Token: SeShutdownPrivilege 1172 explorer.exe Token: SeShutdownPrivilege 1172 explorer.exe -
Suspicious use of FindShellTrayWindow 27 IoCs
pid Process 1172 explorer.exe 1172 explorer.exe 1172 explorer.exe 1172 explorer.exe 1172 explorer.exe 1172 explorer.exe 1172 explorer.exe 1172 explorer.exe 1172 explorer.exe 1172 explorer.exe 1172 explorer.exe 1172 explorer.exe 1172 explorer.exe 1172 explorer.exe 1172 explorer.exe 1172 explorer.exe 1172 explorer.exe 1172 explorer.exe 1172 explorer.exe 1172 explorer.exe 1172 explorer.exe 1172 explorer.exe 1172 explorer.exe 1172 explorer.exe 1172 explorer.exe 1172 explorer.exe 1172 explorer.exe -
Suspicious use of SendNotifyMessage 17 IoCs
pid Process 1172 explorer.exe 1172 explorer.exe 1172 explorer.exe 1172 explorer.exe 1172 explorer.exe 1172 explorer.exe 1172 explorer.exe 1172 explorer.exe 1172 explorer.exe 1172 explorer.exe 1172 explorer.exe 1172 explorer.exe 1172 explorer.exe 1172 explorer.exe 1172 explorer.exe 1172 explorer.exe 1172 explorer.exe -
Suspicious use of WriteProcessMemory 46 IoCs
description pid Process procid_target PID 1964 wrote to memory of 1172 1964 bDiL.exe 28 PID 1964 wrote to memory of 1172 1964 bDiL.exe 28 PID 1964 wrote to memory of 1172 1964 bDiL.exe 28 PID 1172 wrote to memory of 428 1172 explorer.exe 30 PID 1172 wrote to memory of 428 1172 explorer.exe 30 PID 1172 wrote to memory of 428 1172 explorer.exe 30 PID 1964 wrote to memory of 268 1964 bDiL.exe 29 PID 1964 wrote to memory of 268 1964 bDiL.exe 29 PID 1964 wrote to memory of 268 1964 bDiL.exe 29 PID 1964 wrote to memory of 268 1964 bDiL.exe 29 PID 1964 wrote to memory of 1944 1964 bDiL.exe 31 PID 1964 wrote to memory of 1944 1964 bDiL.exe 31 PID 1964 wrote to memory of 1944 1964 bDiL.exe 31 PID 1964 wrote to memory of 1944 1964 bDiL.exe 31 PID 1964 wrote to memory of 1156 1964 bDiL.exe 32 PID 1964 wrote to memory of 1156 1964 bDiL.exe 32 PID 1964 wrote to memory of 1156 1964 bDiL.exe 32 PID 1964 wrote to memory of 1156 1964 bDiL.exe 32 PID 1964 wrote to memory of 584 1964 bDiL.exe 33 PID 1964 wrote to memory of 584 1964 bDiL.exe 33 PID 1964 wrote to memory of 584 1964 bDiL.exe 33 PID 1964 wrote to memory of 584 1964 bDiL.exe 33 PID 1964 wrote to memory of 576 1964 bDiL.exe 34 PID 1964 wrote to memory of 576 1964 bDiL.exe 34 PID 1964 wrote to memory of 576 1964 bDiL.exe 34 PID 1964 wrote to memory of 576 1964 bDiL.exe 34 PID 1964 wrote to memory of 1136 1964 bDiL.exe 35 PID 1964 wrote to memory of 1136 1964 bDiL.exe 35 PID 1964 wrote to memory of 1136 1964 bDiL.exe 35 PID 1964 wrote to memory of 1136 1964 bDiL.exe 35 PID 1964 wrote to memory of 1732 1964 bDiL.exe 36 PID 1964 wrote to memory of 1732 1964 bDiL.exe 36 PID 1964 wrote to memory of 1732 1964 bDiL.exe 36 PID 1964 wrote to memory of 1732 1964 bDiL.exe 36 PID 1964 wrote to memory of 1676 1964 bDiL.exe 37 PID 1964 wrote to memory of 1676 1964 bDiL.exe 37 PID 1964 wrote to memory of 1676 1964 bDiL.exe 37 PID 1964 wrote to memory of 1676 1964 bDiL.exe 37 PID 1964 wrote to memory of 1720 1964 bDiL.exe 38 PID 1964 wrote to memory of 1720 1964 bDiL.exe 38 PID 1964 wrote to memory of 1720 1964 bDiL.exe 38 PID 1964 wrote to memory of 1720 1964 bDiL.exe 38 PID 1964 wrote to memory of 532 1964 bDiL.exe 39 PID 1964 wrote to memory of 532 1964 bDiL.exe 39 PID 1964 wrote to memory of 532 1964 bDiL.exe 39 PID 1964 wrote to memory of 532 1964 bDiL.exe 39 -
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\bDiL.exe"C:\Users\Admin\AppData\Local\Temp\bDiL.exe"1⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1964 -
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:1172 -
C:\Windows\system32\ctfmon.exectfmon.exe3⤵PID:428
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C:\Windows\Microsoft.NET\Framework\v4.0.30319\cvtres.exe"C:\Windows\Microsoft.NET\Framework\v4.0.30319\cvtres.exe" IL61HB windowsii.duckdns.org 1338 3W69EU2⤵PID:268
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C:\Windows\Microsoft.NET\Framework\v4.0.30319\cvtres.exe"C:\Windows\Microsoft.NET\Framework\v4.0.30319\cvtres.exe" IL61HB windowsii.duckdns.org 1338 3W69EU2⤵PID:1944
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C:\Windows\Microsoft.NET\Framework\v4.0.30319\cvtres.exe"C:\Windows\Microsoft.NET\Framework\v4.0.30319\cvtres.exe" IL61HB windowsii.duckdns.org 1338 3W69EU2⤵PID:1156
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C:\Windows\Microsoft.NET\Framework\v4.0.30319\cvtres.exe"C:\Windows\Microsoft.NET\Framework\v4.0.30319\cvtres.exe" IL61HB windowsii.duckdns.org 1338 3W69EU2⤵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" IL61HB windowsii.duckdns.org 1338 3W69EU2⤵PID:576
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C:\Windows\Microsoft.NET\Framework\v4.0.30319\cvtres.exe"C:\Windows\Microsoft.NET\Framework\v4.0.30319\cvtres.exe" IL61HB windowsii.duckdns.org 1338 3W69EU2⤵PID:1136
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C:\Windows\Microsoft.NET\Framework\v4.0.30319\cvtres.exe"C:\Windows\Microsoft.NET\Framework\v4.0.30319\cvtres.exe" IL61HB windowsii.duckdns.org 1338 3W69EU2⤵PID:1732
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C:\Windows\Microsoft.NET\Framework\v4.0.30319\cvtres.exe"C:\Windows\Microsoft.NET\Framework\v4.0.30319\cvtres.exe" IL61HB windowsii.duckdns.org 1338 3W69EU2⤵PID:1676
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C:\Windows\Microsoft.NET\Framework\v4.0.30319\cvtres.exe"C:\Windows\Microsoft.NET\Framework\v4.0.30319\cvtres.exe" IL61HB windowsii.duckdns.org 1338 3W69EU2⤵PID:1720
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C:\Windows\Microsoft.NET\Framework\v4.0.30319\cvtres.exe"C:\Windows\Microsoft.NET\Framework\v4.0.30319\cvtres.exe" IL61HB windowsii.duckdns.org 1338 3W69EU2⤵PID:532
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C:\Windows\system32\AUDIODG.EXEC:\Windows\system32\AUDIODG.EXE 0xc41⤵
- Suspicious use of AdjustPrivilegeToken
PID:1516