Analysis
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max time kernel
150s -
max time network
148s -
platform
windows10-2004_x64 -
resource
win10v2004-20241007-en -
resource tags
arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system -
submitted
30-12-2024 14:41
Behavioral task
behavioral1
Sample
058fcaa70076bfb93ee23c2ff68faa19d66ad785f14777bdb901a2aa12f745cb.dll
Resource
win7-20241010-en
windows7-x64
19 signatures
150 seconds
General
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Target
058fcaa70076bfb93ee23c2ff68faa19d66ad785f14777bdb901a2aa12f745cb.dll
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Size
431KB
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MD5
cbee3ceaadd9bd0a4ecead99533170cf
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SHA1
d71efcb3d4481e1995dd4cdfe2d76b143c972de1
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SHA256
058fcaa70076bfb93ee23c2ff68faa19d66ad785f14777bdb901a2aa12f745cb
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SHA512
89c180ac7ffd58c1a7609769fce8290c5562e5eff9063bcbdb75645269db537d6b06903909882c9ee5d2cee7a32991b31c841088dc4554f8b726bb97117b2eae
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SSDEEP
12288:IXi0ig1VCpPgYO+TqxeqFcOH72olHki98:IXivg1VCpZOCqxkOH7TBq
Malware Config
Signatures
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resource yara_rule behavioral2/memory/4520-12-0x0000000010000000-0x00000000101A0000-memory.dmp purplefox_rootkit behavioral2/memory/4520-13-0x0000000010000000-0x00000000101A0000-memory.dmp purplefox_rootkit -
Gh0st RAT payload 2 IoCs
resource yara_rule behavioral2/memory/4520-12-0x0000000010000000-0x00000000101A0000-memory.dmp family_gh0strat behavioral2/memory/4520-13-0x0000000010000000-0x00000000101A0000-memory.dmp family_gh0strat -
Gh0strat family
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Purplefox family
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Suspicious use of NtCreateUserProcessOtherParentProcess 1 IoCs
description pid Process procid_target PID 4544 created 632 4544 rundll32.exe 5 -
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) \??\S: svchost.exe File opened (read-only) \??\E: svchost.exe File opened (read-only) \??\I: svchost.exe File opened (read-only) \??\L: svchost.exe File opened (read-only) \??\U: svchost.exe File opened (read-only) \??\V: svchost.exe File opened (read-only) \??\H: svchost.exe File opened (read-only) \??\J: svchost.exe File opened (read-only) \??\P: svchost.exe File opened (read-only) \??\G: svchost.exe File opened (read-only) \??\O: svchost.exe File opened (read-only) \??\R: svchost.exe File opened (read-only) \??\N: svchost.exe File opened (read-only) \??\Q: svchost.exe File opened (read-only) \??\T: 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) \??\K: svchost.exe File opened (read-only) \??\M: svchost.exe File opened (read-only) \??\Y: svchost.exe File opened (read-only) \??\Z: svchost.exe -
Suspicious use of SetThreadContext 1 IoCs
description pid Process procid_target PID 4544 set thread context of 4520 4544 rundll32.exe 84 -
resource yara_rule behavioral2/memory/4544-0-0x0000000010000000-0x0000000010088000-memory.dmp upx behavioral2/memory/4520-1-0x0000000000400000-0x0000000000543000-memory.dmp upx behavioral2/memory/4520-2-0x0000000000400000-0x0000000000543000-memory.dmp upx behavioral2/memory/4520-3-0x0000000000400000-0x0000000000543000-memory.dmp upx behavioral2/memory/4520-8-0x0000000000400000-0x0000000000543000-memory.dmp upx behavioral2/memory/4520-7-0x0000000000400000-0x0000000000543000-memory.dmp upx behavioral2/memory/4520-9-0x0000000000400000-0x0000000000543000-memory.dmp upx -
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 rundll32.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language svchost.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 4544 rundll32.exe 4544 rundll32.exe 4544 rundll32.exe 4544 rundll32.exe 4520 svchost.exe 4520 svchost.exe 4520 svchost.exe 4520 svchost.exe 4520 svchost.exe 4520 svchost.exe 4520 svchost.exe 4520 svchost.exe 4520 svchost.exe 4520 svchost.exe 4520 svchost.exe 4520 svchost.exe 4520 svchost.exe 4520 svchost.exe 4520 svchost.exe 4520 svchost.exe 4520 svchost.exe 4520 svchost.exe 4520 svchost.exe 4520 svchost.exe 4520 svchost.exe 4520 svchost.exe 4520 svchost.exe 4520 svchost.exe 4520 svchost.exe 4520 svchost.exe 4520 svchost.exe 4520 svchost.exe 4520 svchost.exe 4520 svchost.exe 4520 svchost.exe 4520 svchost.exe 4520 svchost.exe 4520 svchost.exe 4520 svchost.exe 4520 svchost.exe 4520 svchost.exe 4520 svchost.exe 4520 svchost.exe 4520 svchost.exe 4520 svchost.exe 4520 svchost.exe 4520 svchost.exe 4520 svchost.exe 4520 svchost.exe 4520 svchost.exe 4520 svchost.exe 4520 svchost.exe 4520 svchost.exe 4520 svchost.exe 4520 svchost.exe 4520 svchost.exe 4520 svchost.exe 4520 svchost.exe 4520 svchost.exe 4520 svchost.exe 4520 svchost.exe 4520 svchost.exe 4520 svchost.exe 4520 svchost.exe -
Suspicious use of AdjustPrivilegeToken 5 IoCs
description pid Process Token: SeDebugPrivilege 4544 rundll32.exe Token: 33 4520 svchost.exe Token: SeIncBasePriorityPrivilege 4520 svchost.exe Token: 33 4520 svchost.exe Token: SeIncBasePriorityPrivilege 4520 svchost.exe -
Suspicious use of WriteProcessMemory 11 IoCs
description pid Process procid_target PID 4580 wrote to memory of 4544 4580 rundll32.exe 83 PID 4580 wrote to memory of 4544 4580 rundll32.exe 83 PID 4580 wrote to memory of 4544 4580 rundll32.exe 83 PID 4544 wrote to memory of 4520 4544 rundll32.exe 84 PID 4544 wrote to memory of 4520 4544 rundll32.exe 84 PID 4544 wrote to memory of 4520 4544 rundll32.exe 84 PID 4544 wrote to memory of 4520 4544 rundll32.exe 84 PID 4544 wrote to memory of 4520 4544 rundll32.exe 84 PID 4544 wrote to memory of 4520 4544 rundll32.exe 84 PID 4544 wrote to memory of 4520 4544 rundll32.exe 84 PID 4544 wrote to memory of 4520 4544 rundll32.exe 84
Processes
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C:\Windows\system32\winlogon.exewinlogon.exe1⤵PID:632
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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:4520
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C:\Windows\system32\rundll32.exerundll32.exe C:\Users\Admin\AppData\Local\Temp\058fcaa70076bfb93ee23c2ff68faa19d66ad785f14777bdb901a2aa12f745cb.dll,#11⤵
- Suspicious use of WriteProcessMemory
PID:4580 -
C:\Windows\SysWOW64\rundll32.exerundll32.exe C:\Users\Admin\AppData\Local\Temp\058fcaa70076bfb93ee23c2ff68faa19d66ad785f14777bdb901a2aa12f745cb.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:4544
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