Analysis
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max time kernel
150s -
max time network
127s -
platform
windows7_x64 -
resource
win7-20240221-en -
resource tags
arch:x64arch:x86image:win7-20240221-enlocale:en-usos:windows7-x64system -
submitted
08/03/2024, 05:19
Static task
static1
1 signatures
Behavioral task
behavioral1
Sample
ba9d2da65c3fb6005f82002196e75cfd.dll
Resource
win7-20240221-en
windows7-x64
5 signatures
150 seconds
Behavioral task
behavioral2
Sample
ba9d2da65c3fb6005f82002196e75cfd.dll
Resource
win10v2004-20240226-en
windows10-2004-x64
6 signatures
150 seconds
General
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Target
ba9d2da65c3fb6005f82002196e75cfd.dll
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Size
29KB
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MD5
ba9d2da65c3fb6005f82002196e75cfd
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SHA1
d75a9b8100c99f5b09f4262b1f1e38c598bbf7e1
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SHA256
6690a24c6bcfea493a72257514fd1ec76c8cdd61c7b84f7180ff051d2677c7eb
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SHA512
d1da5409da379597b62b93bb965effe9b823bf3d9cf6107145eba0d7034610429a0f673b07083cf16dd4cd6ff45d63be6bf11b42ba6b982f09cb03e94b477a84
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SSDEEP
768:sP+5KFc8287xvoegxvG0XyYv/WYL2ZvVlmDO:sE2lB7yHyYHWYL2ZNcDO
Score
5/10
Malware Config
Signatures
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Suspicious use of NtSetInformationThreadHideFromDebugger 3 IoCs
pid Process 2940 rundll32.exe 2940 rundll32.exe 2940 rundll32.exe -
Drops file in Windows directory 2 IoCs
description ioc Process File created C:\Windows\msvcr.dll rundll32.exe File opened for modification C:\Windows\msvcr.dll rundll32.exe -
Modifies registry class 5 IoCs
description ioc Process Key created \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{fbeb8a05-beee-4442-804e-409d6c4515e9} rundll32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{7B3AC3FA-B695-41b6-BAA0-860EB5EB6FD6} rundll32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{7B3AC3FA-B695-41b6-BAA0-860EB5EB6FD6}\{5E1B971B-302E-469f-B0BB-7A6FF11CDD9F} = "ba9d2da65c3fb6005f82002196e75cfd.dll,1282836155,-285162053,1198765275" rundll32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{fbeb8a05-beee-4442-804e-409d6c4515e9}\InProcServer32 rundll32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID rundll32.exe -
Suspicious behavior: EnumeratesProcesses 64 IoCs
pid Process 2940 rundll32.exe 2940 rundll32.exe 2940 rundll32.exe 2940 rundll32.exe 2940 rundll32.exe 2940 rundll32.exe 2940 rundll32.exe 2940 rundll32.exe 2940 rundll32.exe 2940 rundll32.exe 2940 rundll32.exe 2940 rundll32.exe 2940 rundll32.exe 2940 rundll32.exe 2940 rundll32.exe 2940 rundll32.exe 2940 rundll32.exe 2940 rundll32.exe 2940 rundll32.exe 2940 rundll32.exe 2940 rundll32.exe 2940 rundll32.exe 2940 rundll32.exe 2940 rundll32.exe 2940 rundll32.exe 2940 rundll32.exe 2940 rundll32.exe 2940 rundll32.exe 2940 rundll32.exe 2940 rundll32.exe 2940 rundll32.exe 2940 rundll32.exe 2940 rundll32.exe 2940 rundll32.exe 2940 rundll32.exe 2940 rundll32.exe 2940 rundll32.exe 2940 rundll32.exe 2940 rundll32.exe 2940 rundll32.exe 2940 rundll32.exe 2940 rundll32.exe 2940 rundll32.exe 2940 rundll32.exe 2940 rundll32.exe 2940 rundll32.exe 2940 rundll32.exe 2940 rundll32.exe 2940 rundll32.exe 2940 rundll32.exe 2940 rundll32.exe 2940 rundll32.exe 2940 rundll32.exe 2940 rundll32.exe 2940 rundll32.exe 2940 rundll32.exe 2940 rundll32.exe 2940 rundll32.exe 2940 rundll32.exe 2940 rundll32.exe 2940 rundll32.exe 2940 rundll32.exe 2940 rundll32.exe 2940 rundll32.exe -
Suspicious use of WriteProcessMemory 14 IoCs
description pid Process procid_target PID 2612 wrote to memory of 2736 2612 rundll32.exe 28 PID 2612 wrote to memory of 2736 2612 rundll32.exe 28 PID 2612 wrote to memory of 2736 2612 rundll32.exe 28 PID 2612 wrote to memory of 2736 2612 rundll32.exe 28 PID 2612 wrote to memory of 2736 2612 rundll32.exe 28 PID 2612 wrote to memory of 2736 2612 rundll32.exe 28 PID 2612 wrote to memory of 2736 2612 rundll32.exe 28 PID 2736 wrote to memory of 2940 2736 rundll32.exe 29 PID 2736 wrote to memory of 2940 2736 rundll32.exe 29 PID 2736 wrote to memory of 2940 2736 rundll32.exe 29 PID 2736 wrote to memory of 2940 2736 rundll32.exe 29 PID 2736 wrote to memory of 2940 2736 rundll32.exe 29 PID 2736 wrote to memory of 2940 2736 rundll32.exe 29 PID 2736 wrote to memory of 2940 2736 rundll32.exe 29
Processes
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C:\Windows\system32\rundll32.exerundll32.exe C:\Users\Admin\AppData\Local\Temp\ba9d2da65c3fb6005f82002196e75cfd.dll,#11⤵
- Suspicious use of WriteProcessMemory
PID:2612 -
C:\Windows\SysWOW64\rundll32.exerundll32.exe C:\Users\Admin\AppData\Local\Temp\ba9d2da65c3fb6005f82002196e75cfd.dll,#12⤵
- Drops file in Windows directory
- Modifies registry class
- Suspicious use of WriteProcessMemory
PID:2736 -
C:\Windows\SysWOW64\rundll32.exerundll32 "C:\Windows\msvcr.dll",_RunAs@03⤵
- Suspicious use of NtSetInformationThreadHideFromDebugger
- Suspicious behavior: EnumeratesProcesses
PID:2940
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Network
MITRE ATT&CK Matrix
Replay Monitor
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Downloads
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Filesize
29KB
MD5ba9d2da65c3fb6005f82002196e75cfd
SHA1d75a9b8100c99f5b09f4262b1f1e38c598bbf7e1
SHA2566690a24c6bcfea493a72257514fd1ec76c8cdd61c7b84f7180ff051d2677c7eb
SHA512d1da5409da379597b62b93bb965effe9b823bf3d9cf6107145eba0d7034610429a0f673b07083cf16dd4cd6ff45d63be6bf11b42ba6b982f09cb03e94b477a84