Analysis
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max time kernel
137s -
max time network
34s -
platform
windows7_x64 -
resource
win7-20230220-en -
resource tags
arch:x64arch:x86image:win7-20230220-enlocale:en-usos:windows7-x64system -
submitted
05-03-2023 23:34
Behavioral task
behavioral1
Sample
bEle.exe
Resource
win7-20230220-en
windows7-x64
9 signatures
150 seconds
Behavioral task
behavioral2
Sample
bEle.exe
Resource
win10v2004-20230220-en
windows10-2004-x64
13 signatures
150 seconds
General
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Target
bEle.exe
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Size
138KB
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MD5
11b99c53b1e6030355af231a3a7fa65b
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SHA1
50b4a627dd808c1e332c2803286234f37e46bc2d
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SHA256
65403a8b9ecca912ea5cfa91aecdbe77c23e652e4c7465efded126c74711f65e
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SHA512
33a134c15708651e725daf0c834a01d970718f90109db275c38dbfd0501486c126d0566ab61cc55f4f47c3e7988483b7b445101b11388cff6399f4815ec63764
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SSDEEP
3072:KbvC5mz7Bqh1v59Y08mAjs0Ltel+qOeJHlpV8b+Y/YP:KbvuS7BqjjYHdrqkL/
Score
10/10
Malware Config
Extracted
Family
arrowrat
Botnet
41IUHU
C2
6.tcp.eu.ngrok.io:15821
Mutex
S2TDUW
Signatures
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Modifies Installed Components in the registry 2 TTPs 1 IoCs
description ioc Process Key created \REGISTRY\USER\S-1-5-21-1563773381-2037468142-1146002597-1000\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 explorer.exe 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 -
Suspicious behavior: EnumeratesProcesses 11 IoCs
pid Process 2016 bEle.exe 2016 bEle.exe 2016 bEle.exe 2016 bEle.exe 2016 bEle.exe 2016 bEle.exe 2016 bEle.exe 2016 bEle.exe 2016 bEle.exe 2016 bEle.exe 2016 bEle.exe -
Suspicious use of AdjustPrivilegeToken 16 IoCs
description pid Process Token: SeDebugPrivilege 2016 bEle.exe Token: SeShutdownPrivilege 1928 explorer.exe Token: SeShutdownPrivilege 1928 explorer.exe Token: SeShutdownPrivilege 1928 explorer.exe Token: SeShutdownPrivilege 1928 explorer.exe Token: SeShutdownPrivilege 1928 explorer.exe Token: SeShutdownPrivilege 1928 explorer.exe Token: SeShutdownPrivilege 1928 explorer.exe Token: SeShutdownPrivilege 1928 explorer.exe Token: 33 1380 AUDIODG.EXE Token: SeIncBasePriorityPrivilege 1380 AUDIODG.EXE Token: 33 1380 AUDIODG.EXE Token: SeIncBasePriorityPrivilege 1380 AUDIODG.EXE Token: SeShutdownPrivilege 1928 explorer.exe Token: SeShutdownPrivilege 1928 explorer.exe Token: SeShutdownPrivilege 1928 explorer.exe -
Suspicious use of FindShellTrayWindow 27 IoCs
pid Process 1928 explorer.exe 1928 explorer.exe 1928 explorer.exe 1928 explorer.exe 1928 explorer.exe 1928 explorer.exe 1928 explorer.exe 1928 explorer.exe 1928 explorer.exe 1928 explorer.exe 1928 explorer.exe 1928 explorer.exe 1928 explorer.exe 1928 explorer.exe 1928 explorer.exe 1928 explorer.exe 1928 explorer.exe 1928 explorer.exe 1928 explorer.exe 1928 explorer.exe 1928 explorer.exe 1928 explorer.exe 1928 explorer.exe 1928 explorer.exe 1928 explorer.exe 1928 explorer.exe 1928 explorer.exe -
Suspicious use of SendNotifyMessage 17 IoCs
pid Process 1928 explorer.exe 1928 explorer.exe 1928 explorer.exe 1928 explorer.exe 1928 explorer.exe 1928 explorer.exe 1928 explorer.exe 1928 explorer.exe 1928 explorer.exe 1928 explorer.exe 1928 explorer.exe 1928 explorer.exe 1928 explorer.exe 1928 explorer.exe 1928 explorer.exe 1928 explorer.exe 1928 explorer.exe -
Suspicious use of WriteProcessMemory 46 IoCs
description pid Process procid_target PID 2016 wrote to memory of 1928 2016 bEle.exe 27 PID 2016 wrote to memory of 1928 2016 bEle.exe 27 PID 2016 wrote to memory of 1928 2016 bEle.exe 27 PID 2016 wrote to memory of 1968 2016 bEle.exe 28 PID 2016 wrote to memory of 1968 2016 bEle.exe 28 PID 2016 wrote to memory of 1968 2016 bEle.exe 28 PID 2016 wrote to memory of 1968 2016 bEle.exe 28 PID 2016 wrote to memory of 1036 2016 bEle.exe 29 PID 2016 wrote to memory of 1036 2016 bEle.exe 29 PID 2016 wrote to memory of 1036 2016 bEle.exe 29 PID 2016 wrote to memory of 1036 2016 bEle.exe 29 PID 2016 wrote to memory of 1752 2016 bEle.exe 31 PID 2016 wrote to memory of 1752 2016 bEle.exe 31 PID 2016 wrote to memory of 1752 2016 bEle.exe 31 PID 2016 wrote to memory of 1752 2016 bEle.exe 31 PID 2016 wrote to memory of 876 2016 bEle.exe 30 PID 2016 wrote to memory of 876 2016 bEle.exe 30 PID 2016 wrote to memory of 876 2016 bEle.exe 30 PID 2016 wrote to memory of 876 2016 bEle.exe 30 PID 2016 wrote to memory of 1232 2016 bEle.exe 37 PID 2016 wrote to memory of 1232 2016 bEle.exe 37 PID 2016 wrote to memory of 1232 2016 bEle.exe 37 PID 2016 wrote to memory of 1232 2016 bEle.exe 37 PID 2016 wrote to memory of 720 2016 bEle.exe 36 PID 2016 wrote to memory of 720 2016 bEle.exe 36 PID 2016 wrote to memory of 720 2016 bEle.exe 36 PID 2016 wrote to memory of 720 2016 bEle.exe 36 PID 2016 wrote to memory of 1060 2016 bEle.exe 35 PID 2016 wrote to memory of 1060 2016 bEle.exe 35 PID 2016 wrote to memory of 1060 2016 bEle.exe 35 PID 2016 wrote to memory of 1060 2016 bEle.exe 35 PID 2016 wrote to memory of 552 2016 bEle.exe 32 PID 2016 wrote to memory of 552 2016 bEle.exe 32 PID 2016 wrote to memory of 552 2016 bEle.exe 32 PID 2016 wrote to memory of 552 2016 bEle.exe 32 PID 2016 wrote to memory of 1696 2016 bEle.exe 33 PID 2016 wrote to memory of 1696 2016 bEle.exe 33 PID 2016 wrote to memory of 1696 2016 bEle.exe 33 PID 2016 wrote to memory of 1696 2016 bEle.exe 33 PID 2016 wrote to memory of 564 2016 bEle.exe 34 PID 2016 wrote to memory of 564 2016 bEle.exe 34 PID 2016 wrote to memory of 564 2016 bEle.exe 34 PID 2016 wrote to memory of 564 2016 bEle.exe 34 PID 1928 wrote to memory of 1480 1928 explorer.exe 38 PID 1928 wrote to memory of 1480 1928 explorer.exe 38 PID 1928 wrote to memory of 1480 1928 explorer.exe 38 -
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\bEle.exe"C:\Users\Admin\AppData\Local\Temp\bEle.exe"1⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2016 -
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:1928 -
C:\Windows\system32\ctfmon.exectfmon.exe3⤵PID:1480
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C:\Windows\Microsoft.NET\Framework\v4.0.30319\cvtres.exe"C:\Windows\Microsoft.NET\Framework\v4.0.30319\cvtres.exe" 41IUHU 6.tcp.eu.ngrok.io 15821 S2TDUW2⤵PID:1968
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C:\Windows\Microsoft.NET\Framework\v4.0.30319\cvtres.exe"C:\Windows\Microsoft.NET\Framework\v4.0.30319\cvtres.exe" 41IUHU 6.tcp.eu.ngrok.io 15821 S2TDUW2⤵PID:1036
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C:\Windows\Microsoft.NET\Framework\v4.0.30319\cvtres.exe"C:\Windows\Microsoft.NET\Framework\v4.0.30319\cvtres.exe" 41IUHU 6.tcp.eu.ngrok.io 15821 S2TDUW2⤵PID:876
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C:\Windows\Microsoft.NET\Framework\v4.0.30319\cvtres.exe"C:\Windows\Microsoft.NET\Framework\v4.0.30319\cvtres.exe" 41IUHU 6.tcp.eu.ngrok.io 15821 S2TDUW2⤵PID:1752
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C:\Windows\Microsoft.NET\Framework\v4.0.30319\cvtres.exe"C:\Windows\Microsoft.NET\Framework\v4.0.30319\cvtres.exe" 41IUHU 6.tcp.eu.ngrok.io 15821 S2TDUW2⤵PID:552
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C:\Windows\Microsoft.NET\Framework\v4.0.30319\cvtres.exe"C:\Windows\Microsoft.NET\Framework\v4.0.30319\cvtres.exe" 41IUHU 6.tcp.eu.ngrok.io 15821 S2TDUW2⤵PID:1696
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C:\Windows\Microsoft.NET\Framework\v4.0.30319\cvtres.exe"C:\Windows\Microsoft.NET\Framework\v4.0.30319\cvtres.exe" 41IUHU 6.tcp.eu.ngrok.io 15821 S2TDUW2⤵PID:564
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C:\Windows\Microsoft.NET\Framework\v4.0.30319\cvtres.exe"C:\Windows\Microsoft.NET\Framework\v4.0.30319\cvtres.exe" 41IUHU 6.tcp.eu.ngrok.io 15821 S2TDUW2⤵PID:1060
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C:\Windows\Microsoft.NET\Framework\v4.0.30319\cvtres.exe"C:\Windows\Microsoft.NET\Framework\v4.0.30319\cvtres.exe" 41IUHU 6.tcp.eu.ngrok.io 15821 S2TDUW2⤵PID:720
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C:\Windows\Microsoft.NET\Framework\v4.0.30319\cvtres.exe"C:\Windows\Microsoft.NET\Framework\v4.0.30319\cvtres.exe" 41IUHU 6.tcp.eu.ngrok.io 15821 S2TDUW2⤵PID:1232
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C:\Windows\system32\AUDIODG.EXEC:\Windows\system32\AUDIODG.EXE 0x5201⤵
- Suspicious use of AdjustPrivilegeToken
PID:1380