Analysis
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max time kernel
150s -
max time network
134s -
platform
windows10-2004_x64 -
resource
win10v2004-20240802-en -
resource tags
arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system -
submitted
08-09-2024 08:41
Behavioral task
behavioral1
Sample
043ba3fdc65acdba8ca4d2af047465a1617d4591a9f771d5e4d629ab74736599.dll
Resource
win7-20240903-en
windows7-x64
16 signatures
150 seconds
General
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Target
043ba3fdc65acdba8ca4d2af047465a1617d4591a9f771d5e4d629ab74736599.dll
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Size
431KB
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MD5
5d5d2c946b00fff3240c84c2061694d9
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SHA1
a571aafaf56d7ade0fb02a05cde1008815046793
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SHA256
043ba3fdc65acdba8ca4d2af047465a1617d4591a9f771d5e4d629ab74736599
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SHA512
725832b0071e8f8a19029d2b5d8790484ca475c12634d307e6f5c9d0f199102d9943da62f8825600ebc932b5fb91ba752fadc7453e400103901f35aae11b1aed
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SSDEEP
12288:IXi0ig1VCpPgYO+TqxeqFcOH72olHki9Q:IXivg1VCpZOCqxkOH7TBG
Malware Config
Signatures
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resource yara_rule behavioral2/memory/2768-12-0x0000000010000000-0x00000000101A0000-memory.dmp purplefox_rootkit behavioral2/memory/2768-13-0x0000000010000000-0x00000000101A0000-memory.dmp purplefox_rootkit -
Gh0st RAT payload 2 IoCs
resource yara_rule behavioral2/memory/2768-12-0x0000000010000000-0x00000000101A0000-memory.dmp family_gh0strat behavioral2/memory/2768-13-0x0000000010000000-0x00000000101A0000-memory.dmp family_gh0strat -
Suspicious use of NtCreateUserProcessOtherParentProcess 2 IoCs
description pid Process procid_target PID 2736 created 612 2736 rundll32.exe 5 PID 2736 created 612 2736 rundll32.exe 5 -
resource yara_rule behavioral2/memory/2736-0-0x0000000010000000-0x0000000010088000-memory.dmp upx behavioral2/memory/2768-7-0x0000000000400000-0x0000000000543000-memory.dmp upx behavioral2/memory/2768-8-0x0000000000400000-0x0000000000543000-memory.dmp upx behavioral2/memory/2768-9-0x0000000000400000-0x0000000000543000-memory.dmp upx behavioral2/memory/2768-1-0x0000000000400000-0x0000000000543000-memory.dmp upx behavioral2/memory/2768-3-0x0000000000400000-0x0000000000543000-memory.dmp upx behavioral2/memory/2768-2-0x0000000000400000-0x0000000000543000-memory.dmp upx -
Enumerates connected drives 3 TTPs 22 IoCs
Attempts to read the root path of hard drives other than the default C: drive.
description ioc Process File opened (read-only) \??\E: svchost.exe File opened (read-only) \??\G: svchost.exe File opened (read-only) \??\Y: svchost.exe File opened (read-only) \??\O: svchost.exe File opened (read-only) \??\R: svchost.exe File opened (read-only) \??\Z: svchost.exe File opened (read-only) \??\H: svchost.exe File opened (read-only) \??\M: svchost.exe File opened (read-only) \??\N: svchost.exe File opened (read-only) \??\U: svchost.exe File opened (read-only) \??\W: svchost.exe File opened (read-only) \??\X: svchost.exe File opened (read-only) \??\B: svchost.exe File opened (read-only) \??\L: svchost.exe File opened (read-only) \??\Q: svchost.exe File opened (read-only) \??\P: svchost.exe File opened (read-only) \??\S: svchost.exe File opened (read-only) \??\T: svchost.exe File opened (read-only) \??\V: svchost.exe File opened (read-only) \??\I: svchost.exe File opened (read-only) \??\J: svchost.exe File opened (read-only) \??\K: svchost.exe -
Suspicious use of SetThreadContext 1 IoCs
description pid Process procid_target PID 2736 set thread context of 2768 2736 rundll32.exe 92 -
System Location Discovery: System Language Discovery 1 TTPs 2 IoCs
Attempt gather information about the system language of a victim in order to infer the geographical location of that host.
description ioc Process Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language svchost.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language rundll32.exe -
Checks processor information in registry 2 TTPs 2 IoCs
Processor information is often read in order to detect sandboxing environments.
description ioc Process Key opened \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0 svchost.exe Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\~MHz svchost.exe -
Modifies data under HKEY_USERS 5 IoCs
description ioc Process Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\ActiveMovie\devenum svchost.exe Key created \REGISTRY\USER\.DEFAULT\Software svchost.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft svchost.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\ActiveMovie svchost.exe Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\ActiveMovie\devenum\Version = "7" svchost.exe -
Suspicious behavior: EnumeratesProcesses 64 IoCs
pid Process 2736 rundll32.exe 2736 rundll32.exe 2736 rundll32.exe 2736 rundll32.exe 2768 svchost.exe 2768 svchost.exe 2768 svchost.exe 2768 svchost.exe 2768 svchost.exe 2768 svchost.exe 2768 svchost.exe 2768 svchost.exe 2768 svchost.exe 2768 svchost.exe 2768 svchost.exe 2768 svchost.exe 2768 svchost.exe 2768 svchost.exe 2768 svchost.exe 2768 svchost.exe 2768 svchost.exe 2768 svchost.exe 2768 svchost.exe 2768 svchost.exe 2768 svchost.exe 2768 svchost.exe 2768 svchost.exe 2768 svchost.exe 2768 svchost.exe 2768 svchost.exe 2768 svchost.exe 2768 svchost.exe 2768 svchost.exe 2768 svchost.exe 2768 svchost.exe 2768 svchost.exe 2768 svchost.exe 2768 svchost.exe 2768 svchost.exe 2768 svchost.exe 2768 svchost.exe 2768 svchost.exe 2768 svchost.exe 2768 svchost.exe 2768 svchost.exe 2768 svchost.exe 2768 svchost.exe 2768 svchost.exe 2768 svchost.exe 2768 svchost.exe 2768 svchost.exe 2768 svchost.exe 2768 svchost.exe 2768 svchost.exe 2768 svchost.exe 2768 svchost.exe 2768 svchost.exe 2768 svchost.exe 2768 svchost.exe 2768 svchost.exe 2768 svchost.exe 2768 svchost.exe 2768 svchost.exe 2768 svchost.exe -
Suspicious use of AdjustPrivilegeToken 6 IoCs
description pid Process Token: SeDebugPrivilege 2736 rundll32.exe Token: SeDebugPrivilege 2736 rundll32.exe Token: 33 2768 svchost.exe Token: SeIncBasePriorityPrivilege 2768 svchost.exe Token: 33 2768 svchost.exe Token: SeIncBasePriorityPrivilege 2768 svchost.exe -
Suspicious use of WriteProcessMemory 14 IoCs
description pid Process procid_target PID 5028 wrote to memory of 2736 5028 rundll32.exe 90 PID 5028 wrote to memory of 2736 5028 rundll32.exe 90 PID 5028 wrote to memory of 2736 5028 rundll32.exe 90 PID 2736 wrote to memory of 2364 2736 rundll32.exe 91 PID 2736 wrote to memory of 2364 2736 rundll32.exe 91 PID 2736 wrote to memory of 2364 2736 rundll32.exe 91 PID 2736 wrote to memory of 2768 2736 rundll32.exe 92 PID 2736 wrote to memory of 2768 2736 rundll32.exe 92 PID 2736 wrote to memory of 2768 2736 rundll32.exe 92 PID 2736 wrote to memory of 2768 2736 rundll32.exe 92 PID 2736 wrote to memory of 2768 2736 rundll32.exe 92 PID 2736 wrote to memory of 2768 2736 rundll32.exe 92 PID 2736 wrote to memory of 2768 2736 rundll32.exe 92 PID 2736 wrote to memory of 2768 2736 rundll32.exe 92
Processes
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C:\Windows\system32\winlogon.exewinlogon.exe1⤵PID:612
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C:\Windows\SysWOW64\svchost.exeC:\Windows\system32\svchost.exe -k LocalServiceNetworkRestricted2⤵PID:2364
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C:\Windows\SysWOW64\svchost.exeC:\Windows\system32\svchost.exe -k LocalServiceNetworkRestricted2⤵
- Enumerates connected drives
- System Location Discovery: System Language Discovery
- Checks processor information in registry
- Modifies data under HKEY_USERS
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:2768
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C:\Windows\system32\rundll32.exerundll32.exe C:\Users\Admin\AppData\Local\Temp\043ba3fdc65acdba8ca4d2af047465a1617d4591a9f771d5e4d629ab74736599.dll,#11⤵
- Suspicious use of WriteProcessMemory
PID:5028 -
C:\Windows\SysWOW64\rundll32.exerundll32.exe C:\Users\Admin\AppData\Local\Temp\043ba3fdc65acdba8ca4d2af047465a1617d4591a9f771d5e4d629ab74736599.dll,#12⤵
- Suspicious use of NtCreateUserProcessOtherParentProcess
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2736
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C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe"C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=utility --utility-sub-type=asset_store.mojom.AssetStoreService --lang=en-US --service-sandbox-type=asset_store_service --field-trial-handle=4360,i,7447299413640964517,4240724842020506306,262144 --variations-seed-version --mojo-platform-channel-handle=4404 /prefetch:81⤵PID:4812