Analysis
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max time kernel
132s -
max time network
118s -
platform
windows7_x64 -
resource
win7-20240903-en -
resource tags
arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system -
submitted
09-10-2024 19:27
Behavioral task
behavioral1
Sample
VBR.exe
Resource
win7-20240903-en
Behavioral task
behavioral2
Sample
VBR.exe
Resource
win10v2004-20241007-en
General
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Target
VBR.exe
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Size
7.6MB
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MD5
81711a07e09960fb3cff42a395a0d6da
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SHA1
a0ee96f364149e8b49758773106916accd212f83
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SHA256
ee67215d30e8b08d54518f88ecdb0fdbb7f2791960c0021f799d122c745608e7
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SHA512
f68faef3d59878c52011c77ad7e66c5e7bae5ce3c435635bacd78c1f8efea682fec688f2676d55130e268dbc3a4261c518029dbae36527e356507d3636869cc1
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SSDEEP
196608:Hyd0cDeQLjv+bhqNVoBKUh8mz4Iv9Pfu1D7c:9ieAL+9qz8/b4INuRc
Malware Config
Signatures
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Loads dropped DLL 2 IoCs
pid Process 2500 VBR.exe 2460 VBR.exe -
resource yara_rule behavioral1/files/0x0005000000019275-22.dat upx behavioral1/memory/2460-70-0x000007FEF4CC0000-0x000007FEF52A9000-memory.dmp upx -
Suspicious use of AdjustPrivilegeToken 4 IoCs
description pid Process Token: 33 1980 AUDIODG.EXE Token: SeIncBasePriorityPrivilege 1980 AUDIODG.EXE Token: 33 1980 AUDIODG.EXE Token: SeIncBasePriorityPrivilege 1980 AUDIODG.EXE -
Suspicious use of WriteProcessMemory 6 IoCs
description pid Process procid_target PID 1708 wrote to memory of 2500 1708 VBR.exe 31 PID 1708 wrote to memory of 2500 1708 VBR.exe 31 PID 1708 wrote to memory of 2500 1708 VBR.exe 31 PID 532 wrote to memory of 2460 532 VBR.exe 35 PID 532 wrote to memory of 2460 532 VBR.exe 35 PID 532 wrote to memory of 2460 532 VBR.exe 35
Processes
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C:\Users\Admin\AppData\Local\Temp\VBR.exe"C:\Users\Admin\AppData\Local\Temp\VBR.exe"1⤵
- Suspicious use of WriteProcessMemory
PID:1708 -
C:\Users\Admin\AppData\Local\Temp\VBR.exe"C:\Users\Admin\AppData\Local\Temp\VBR.exe"2⤵
- Loads dropped DLL
PID:2500
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C:\Users\Admin\AppData\Local\Temp\VBR.exe"C:\Users\Admin\AppData\Local\Temp\VBR.exe"1⤵
- Suspicious use of WriteProcessMemory
PID:532 -
C:\Users\Admin\AppData\Local\Temp\VBR.exe"C:\Users\Admin\AppData\Local\Temp\VBR.exe"2⤵
- Loads dropped DLL
PID:2460
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C:\Windows\system32\AUDIODG.EXEC:\Windows\system32\AUDIODG.EXE 0x5641⤵
- Suspicious use of AdjustPrivilegeToken
PID:1980
Network
MITRE ATT&CK Matrix
Replay Monitor
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Downloads
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Filesize
1.6MB
MD50b66c50e563d74188a1e96d6617261e8
SHA1cfd778b3794b4938e584078cbfac0747a8916d9e
SHA25602c665f77db6b255fc62f978aedbe2092b7ef1926836290da68fd838dbf2a9f2
SHA51237d710cb5c0ceb5957d11b61684cfbc65951c1d40ab560f3f3cb8feca42f9d43bd981a0ff44c3cb7562779264f18116723457e79e0e23852d7638b1a954a258f