Analysis
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max time kernel
150s -
max time network
139s -
platform
windows10-2004_x64 -
resource
win10v2004-20240802-en -
resource tags
arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system -
submitted
15-08-2024 08:48
Behavioral task
behavioral1
Sample
b70d00ab21608ef1f9faeeeb87e1ec9829d901fdfa65ec660c04a8fa9f3c8782.dll
Resource
win7-20240729-en
windows7-x64
14 signatures
150 seconds
General
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Target
b70d00ab21608ef1f9faeeeb87e1ec9829d901fdfa65ec660c04a8fa9f3c8782.dll
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Size
437KB
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MD5
837b6ac0256427aadbf8a25dc6a4a481
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SHA1
c5db8ad42729842e6775754ee1284b531f446f0b
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SHA256
b70d00ab21608ef1f9faeeeb87e1ec9829d901fdfa65ec660c04a8fa9f3c8782
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SHA512
3cd0613576f9288168df7c21d0b5fbc481c07cdb927be997768861f4b6a29ba1e03a35b612c9c988a0b7ab4a69448ded4d2153609dbc429db694e4061d617820
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SSDEEP
6144:bas0ZLc/IJvCklIqA8mvHwgnHJp9OWqw7zsK0bencTpX4KtjY5Jt/lt0zwzOu6WK:gBFJqk2q1g5ppemr0bAKoNfnQCSWpoSQ
Malware Config
Signatures
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resource yara_rule behavioral2/memory/1972-22-0x0000000010000000-0x00000000101A0000-memory.dmp purplefox_rootkit behavioral2/memory/4780-24-0x0000000010000000-0x00000000101A0000-memory.dmp purplefox_rootkit -
Gh0st RAT payload 2 IoCs
resource yara_rule behavioral2/memory/1972-22-0x0000000010000000-0x00000000101A0000-memory.dmp family_gh0strat behavioral2/memory/4780-24-0x0000000010000000-0x00000000101A0000-memory.dmp family_gh0strat -
Suspicious use of NtCreateUserProcessOtherParentProcess 2 IoCs
description pid Process procid_target PID 3500 created 616 3500 rundll32.exe 5 PID 3500 created 616 3500 rundll32.exe 5 -
resource yara_rule behavioral2/memory/3500-0-0x0000000010000000-0x00000000100A6000-memory.dmp upx behavioral2/memory/4780-2-0x0000000000400000-0x0000000000543000-memory.dmp upx behavioral2/memory/4780-3-0x0000000000400000-0x0000000000543000-memory.dmp upx behavioral2/memory/4780-9-0x0000000000400000-0x0000000000543000-memory.dmp upx behavioral2/memory/4780-8-0x0000000000400000-0x0000000000543000-memory.dmp upx behavioral2/memory/4780-7-0x0000000000400000-0x0000000000543000-memory.dmp upx behavioral2/memory/4780-1-0x0000000000400000-0x0000000000543000-memory.dmp upx -
Enumerates connected drives 3 TTPs 44 IoCs
Attempts to read the root path of hard drives other than the default C: drive.
description ioc Process File opened (read-only) \??\Q: svchost.exe File opened (read-only) \??\Z: svchost.exe File opened (read-only) \??\B: svchost.exe File opened (read-only) \??\G: svchost.exe File opened (read-only) \??\I: svchost.exe File opened (read-only) \??\R: svchost.exe File opened (read-only) \??\S: svchost.exe File opened (read-only) \??\O: svchost.exe File opened (read-only) \??\E: svchost.exe File opened (read-only) \??\E: svchost.exe File opened (read-only) \??\L: svchost.exe File opened (read-only) \??\Q: svchost.exe File opened (read-only) \??\M: svchost.exe File opened (read-only) \??\P: svchost.exe File opened (read-only) \??\B: svchost.exe File opened (read-only) \??\J: svchost.exe File opened (read-only) \??\U: svchost.exe File opened (read-only) \??\S: svchost.exe File opened (read-only) \??\U: svchost.exe File opened (read-only) \??\H: svchost.exe File opened (read-only) \??\P: svchost.exe File opened (read-only) \??\V: svchost.exe File opened (read-only) \??\X: svchost.exe File opened (read-only) \??\Y: svchost.exe File opened (read-only) \??\G: svchost.exe File opened (read-only) \??\O: svchost.exe File opened (read-only) \??\V: svchost.exe File opened (read-only) \??\Y: svchost.exe File opened (read-only) \??\W: svchost.exe File opened (read-only) \??\H: svchost.exe File opened (read-only) \??\I: svchost.exe File opened (read-only) \??\K: svchost.exe File opened (read-only) \??\N: svchost.exe File opened (read-only) \??\R: svchost.exe File opened (read-only) \??\W: svchost.exe File opened (read-only) \??\K: svchost.exe File opened (read-only) \??\N: svchost.exe File opened (read-only) \??\L: svchost.exe File opened (read-only) \??\X: svchost.exe File opened (read-only) \??\T: svchost.exe File opened (read-only) \??\M: svchost.exe File opened (read-only) \??\J: svchost.exe File opened (read-only) \??\T: svchost.exe File opened (read-only) \??\Z: svchost.exe -
Suspicious use of SetThreadContext 2 IoCs
description pid Process procid_target PID 3500 set thread context of 4780 3500 rundll32.exe 88 PID 3500 set thread context of 1972 3500 rundll32.exe 89 -
System Location Discovery: System Language Discovery 1 TTPs 3 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 svchost.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language rundll32.exe -
Checks processor information in registry 2 TTPs 4 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 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 3500 rundll32.exe 3500 rundll32.exe 3500 rundll32.exe 3500 rundll32.exe 4780 svchost.exe 4780 svchost.exe 4780 svchost.exe 4780 svchost.exe 4780 svchost.exe 1972 svchost.exe 4780 svchost.exe 1972 svchost.exe 4780 svchost.exe 1972 svchost.exe 4780 svchost.exe 1972 svchost.exe 4780 svchost.exe 1972 svchost.exe 4780 svchost.exe 1972 svchost.exe 4780 svchost.exe 1972 svchost.exe 4780 svchost.exe 1972 svchost.exe 4780 svchost.exe 1972 svchost.exe 4780 svchost.exe 1972 svchost.exe 4780 svchost.exe 1972 svchost.exe 4780 svchost.exe 1972 svchost.exe 4780 svchost.exe 1972 svchost.exe 4780 svchost.exe 1972 svchost.exe 4780 svchost.exe 1972 svchost.exe 4780 svchost.exe 1972 svchost.exe 4780 svchost.exe 1972 svchost.exe 4780 svchost.exe 1972 svchost.exe 4780 svchost.exe 4780 svchost.exe 1972 svchost.exe 1972 svchost.exe 4780 svchost.exe 4780 svchost.exe 1972 svchost.exe 1972 svchost.exe 4780 svchost.exe 4780 svchost.exe 1972 svchost.exe 1972 svchost.exe 4780 svchost.exe 4780 svchost.exe 1972 svchost.exe 1972 svchost.exe 4780 svchost.exe 4780 svchost.exe 1972 svchost.exe 1972 svchost.exe -
Suspicious use of AdjustPrivilegeToken 10 IoCs
description pid Process Token: SeDebugPrivilege 3500 rundll32.exe Token: SeDebugPrivilege 3500 rundll32.exe Token: 33 1972 svchost.exe Token: 33 4780 svchost.exe Token: SeIncBasePriorityPrivilege 4780 svchost.exe Token: SeIncBasePriorityPrivilege 1972 svchost.exe Token: 33 4780 svchost.exe Token: 33 1972 svchost.exe Token: SeIncBasePriorityPrivilege 1972 svchost.exe Token: SeIncBasePriorityPrivilege 4780 svchost.exe -
Suspicious use of WriteProcessMemory 19 IoCs
description pid Process procid_target PID 3012 wrote to memory of 3500 3012 rundll32.exe 87 PID 3012 wrote to memory of 3500 3012 rundll32.exe 87 PID 3012 wrote to memory of 3500 3012 rundll32.exe 87 PID 3500 wrote to memory of 4780 3500 rundll32.exe 88 PID 3500 wrote to memory of 4780 3500 rundll32.exe 88 PID 3500 wrote to memory of 4780 3500 rundll32.exe 88 PID 3500 wrote to memory of 4780 3500 rundll32.exe 88 PID 3500 wrote to memory of 4780 3500 rundll32.exe 88 PID 3500 wrote to memory of 4780 3500 rundll32.exe 88 PID 3500 wrote to memory of 4780 3500 rundll32.exe 88 PID 3500 wrote to memory of 4780 3500 rundll32.exe 88 PID 3500 wrote to memory of 1972 3500 rundll32.exe 89 PID 3500 wrote to memory of 1972 3500 rundll32.exe 89 PID 3500 wrote to memory of 1972 3500 rundll32.exe 89 PID 3500 wrote to memory of 1972 3500 rundll32.exe 89 PID 3500 wrote to memory of 1972 3500 rundll32.exe 89 PID 3500 wrote to memory of 1972 3500 rundll32.exe 89 PID 3500 wrote to memory of 1972 3500 rundll32.exe 89 PID 3500 wrote to memory of 1972 3500 rundll32.exe 89
Processes
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C:\Windows\system32\winlogon.exewinlogon.exe1⤵PID:616
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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:4780
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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
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:1972
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C:\Windows\system32\rundll32.exerundll32.exe C:\Users\Admin\AppData\Local\Temp\b70d00ab21608ef1f9faeeeb87e1ec9829d901fdfa65ec660c04a8fa9f3c8782.dll,#11⤵
- Suspicious use of WriteProcessMemory
PID:3012 -
C:\Windows\SysWOW64\rundll32.exerundll32.exe C:\Users\Admin\AppData\Local\Temp\b70d00ab21608ef1f9faeeeb87e1ec9829d901fdfa65ec660c04a8fa9f3c8782.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:3500
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