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Analysis
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max time kernel
153s -
max time network
157s -
platform
windows10-2004_x64 -
resource
win10v2004-20220812-en -
resource tags
arch:x64arch:x86image:win10v2004-20220812-enlocale:en-usos:windows10-2004-x64system -
submitted
06/12/2022, 21:04
Behavioral task
behavioral1
Sample
9ccbc07247db6fbef93c2fc40385036e0440a0c6d0b90b49dcb68f74e81f5b08.dll
Resource
win7-20221111-en
windows7-x64
Behavioral task
behavioral2
Sample
9ccbc07247db6fbef93c2fc40385036e0440a0c6d0b90b49dcb68f74e81f5b08.dll
Resource
win10v2004-20220812-en
windows10-2004-x64
General
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Target
9ccbc07247db6fbef93c2fc40385036e0440a0c6d0b90b49dcb68f74e81f5b08.dll
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Size
118KB
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MD5
f913b7f8eb0d4ec99dcf52ab2102e87a
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SHA1
40b23d76d6038a246ac72b9ad714642020bc8725
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SHA256
9ccbc07247db6fbef93c2fc40385036e0440a0c6d0b90b49dcb68f74e81f5b08
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SHA512
e4b7576f963f511a7d2e628daee7c4d0e7360ae780df7f1b2322658db59e93ceb13811be90cd02755fb5da46fd89c3d20af054ad4fabe97b796ad69e842a14e6
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SSDEEP
1536:6CDDS7LFiLjnavBSsOnOonMaPJtSNBeAt+3UEnouy8wfm06g:JIFYjnav4bnOAMaWeAt+3U0outa2
Malware Config
Signatures
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resource yara_rule behavioral2/memory/4684-133-0x0000000010000000-0x000000001001F000-memory.dmp upx behavioral2/files/0x000a000000022e0f-135.dat upx behavioral2/files/0x000a000000022e0f-136.dat upx behavioral2/memory/4356-137-0x0000000010000000-0x000000001001F000-memory.dmp upx behavioral2/memory/4356-138-0x0000000010000000-0x000000001001F000-memory.dmp upx -
Loads dropped DLL 1 IoCs
pid Process 4356 rundll32.exe -
Suspicious use of NtSetInformationThreadHideFromDebugger 3 IoCs
pid Process 4356 rundll32.exe 4356 rundll32.exe 4356 rundll32.exe -
Drops file in Windows directory 2 IoCs
description ioc Process File created C:\Windows\msisue.dll rundll32.exe File opened for modification C:\Windows\msisue.dll rundll32.exe -
Modifies registry class 5 IoCs
description ioc Process Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{7B3AC3FA-B695-41b6-BAA0-860EB5EB6FD6}\{F69EB73C-700A-42c9-8F9D-E8C4ABC27EF3} = "9ccbc07247db6fbef93c2fc40385036e0440a0c6d0b90b49dcb68f74e81f5b08.dll,1314612079,-1563385577,-1814625877" 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 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 -
Suspicious behavior: EnumeratesProcesses 64 IoCs
pid Process 4356 rundll32.exe 4356 rundll32.exe 4356 rundll32.exe 4356 rundll32.exe 4356 rundll32.exe 4356 rundll32.exe 4356 rundll32.exe 4356 rundll32.exe 4356 rundll32.exe 4356 rundll32.exe 4356 rundll32.exe 4356 rundll32.exe 4356 rundll32.exe 4356 rundll32.exe 4356 rundll32.exe 4356 rundll32.exe 4356 rundll32.exe 4356 rundll32.exe 4356 rundll32.exe 4356 rundll32.exe 4356 rundll32.exe 4356 rundll32.exe 4356 rundll32.exe 4356 rundll32.exe 4356 rundll32.exe 4356 rundll32.exe 4356 rundll32.exe 4356 rundll32.exe 4356 rundll32.exe 4356 rundll32.exe 4356 rundll32.exe 4356 rundll32.exe 4356 rundll32.exe 4356 rundll32.exe 4356 rundll32.exe 4356 rundll32.exe 4356 rundll32.exe 4356 rundll32.exe 4356 rundll32.exe 4356 rundll32.exe 4356 rundll32.exe 4356 rundll32.exe 4356 rundll32.exe 4356 rundll32.exe 4356 rundll32.exe 4356 rundll32.exe 4356 rundll32.exe 4356 rundll32.exe 4356 rundll32.exe 4356 rundll32.exe 4356 rundll32.exe 4356 rundll32.exe 4356 rundll32.exe 4356 rundll32.exe 4356 rundll32.exe 4356 rundll32.exe 4356 rundll32.exe 4356 rundll32.exe 4356 rundll32.exe 4356 rundll32.exe 4356 rundll32.exe 4356 rundll32.exe 4356 rundll32.exe 4356 rundll32.exe -
Suspicious use of WriteProcessMemory 6 IoCs
description pid Process procid_target PID 4208 wrote to memory of 4684 4208 rundll32.exe 80 PID 4208 wrote to memory of 4684 4208 rundll32.exe 80 PID 4208 wrote to memory of 4684 4208 rundll32.exe 80 PID 4684 wrote to memory of 4356 4684 rundll32.exe 81 PID 4684 wrote to memory of 4356 4684 rundll32.exe 81 PID 4684 wrote to memory of 4356 4684 rundll32.exe 81
Processes
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C:\Windows\system32\rundll32.exerundll32.exe C:\Users\Admin\AppData\Local\Temp\9ccbc07247db6fbef93c2fc40385036e0440a0c6d0b90b49dcb68f74e81f5b08.dll,#11⤵
- Suspicious use of WriteProcessMemory
PID:4208 -
C:\Windows\SysWOW64\rundll32.exerundll32.exe C:\Users\Admin\AppData\Local\Temp\9ccbc07247db6fbef93c2fc40385036e0440a0c6d0b90b49dcb68f74e81f5b08.dll,#12⤵
- Drops file in Windows directory
- Modifies registry class
- Suspicious use of WriteProcessMemory
PID:4684 -
C:\Windows\SysWOW64\rundll32.exerundll32 "C:\Windows\msisue.dll",_RunAs@163⤵
- Loads dropped DLL
- Suspicious use of NtSetInformationThreadHideFromDebugger
- Suspicious behavior: EnumeratesProcesses
PID:4356
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Network
MITRE ATT&CK Matrix
Replay Monitor
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Downloads
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Filesize
118KB
MD5f913b7f8eb0d4ec99dcf52ab2102e87a
SHA140b23d76d6038a246ac72b9ad714642020bc8725
SHA2569ccbc07247db6fbef93c2fc40385036e0440a0c6d0b90b49dcb68f74e81f5b08
SHA512e4b7576f963f511a7d2e628daee7c4d0e7360ae780df7f1b2322658db59e93ceb13811be90cd02755fb5da46fd89c3d20af054ad4fabe97b796ad69e842a14e6
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Filesize
118KB
MD5f913b7f8eb0d4ec99dcf52ab2102e87a
SHA140b23d76d6038a246ac72b9ad714642020bc8725
SHA2569ccbc07247db6fbef93c2fc40385036e0440a0c6d0b90b49dcb68f74e81f5b08
SHA512e4b7576f963f511a7d2e628daee7c4d0e7360ae780df7f1b2322658db59e93ceb13811be90cd02755fb5da46fd89c3d20af054ad4fabe97b796ad69e842a14e6