Analysis
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max time kernel
150s -
max time network
95s -
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 16:29
Behavioral task
behavioral1
Sample
3641ef075a9694cfc4158224e5bfd7eda3202766c93a682bc6a4e559e3a3f403.dll
Resource
win7-20240708-en
windows7-x64
16 signatures
150 seconds
General
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Target
3641ef075a9694cfc4158224e5bfd7eda3202766c93a682bc6a4e559e3a3f403.dll
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Size
431KB
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MD5
c2545a3ac05d73eb9b8fe79a2693cdd4
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SHA1
7d03104d0112006d94578b35e4c323632ad3ff67
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SHA256
3641ef075a9694cfc4158224e5bfd7eda3202766c93a682bc6a4e559e3a3f403
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SHA512
d208e06258942e9571d8730f249e878ab05ed7641207d9e69a16b3929157a9214fdf4fea1765701027bec95e54c951f6d6a8503794571e8481ea1d48086c09d5
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SSDEEP
12288:IXi0ig1VCpPgYO+TqxeqFcOH72olHki91:IXivg1VCpZOCqxkOH7TBj
Malware Config
Signatures
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resource yara_rule behavioral2/memory/3340-12-0x0000000010000000-0x00000000101A0000-memory.dmp purplefox_rootkit behavioral2/memory/3340-13-0x0000000010000000-0x00000000101A0000-memory.dmp purplefox_rootkit -
Gh0st RAT payload 2 IoCs
resource yara_rule behavioral2/memory/3340-12-0x0000000010000000-0x00000000101A0000-memory.dmp family_gh0strat behavioral2/memory/3340-13-0x0000000010000000-0x00000000101A0000-memory.dmp family_gh0strat -
Suspicious use of NtCreateUserProcessOtherParentProcess 2 IoCs
description pid Process procid_target PID 1968 created 604 1968 rundll32.exe 5 PID 1968 created 604 1968 rundll32.exe 5 -
resource yara_rule behavioral2/memory/1968-0-0x0000000010000000-0x0000000010088000-memory.dmp upx behavioral2/memory/3340-3-0x0000000000400000-0x0000000000543000-memory.dmp upx behavioral2/memory/3340-2-0x0000000000400000-0x0000000000543000-memory.dmp upx behavioral2/memory/3340-8-0x0000000000400000-0x0000000000543000-memory.dmp upx behavioral2/memory/3340-1-0x0000000000400000-0x0000000000543000-memory.dmp upx behavioral2/memory/3340-7-0x0000000000400000-0x0000000000543000-memory.dmp upx behavioral2/memory/3340-9-0x0000000000400000-0x0000000000543000-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) \??\M: svchost.exe File opened (read-only) \??\N: svchost.exe File opened (read-only) \??\Q: svchost.exe File opened (read-only) \??\U: svchost.exe File opened (read-only) \??\V: svchost.exe File opened (read-only) \??\Y: svchost.exe File opened (read-only) \??\B: svchost.exe File opened (read-only) \??\H: svchost.exe File opened (read-only) \??\X: svchost.exe File opened (read-only) \??\Z: svchost.exe File opened (read-only) \??\J: svchost.exe File opened (read-only) \??\K: svchost.exe File opened (read-only) \??\W: svchost.exe File opened (read-only) \??\L: svchost.exe File opened (read-only) \??\O: svchost.exe File opened (read-only) \??\I: svchost.exe File opened (read-only) \??\P: svchost.exe File opened (read-only) \??\R: svchost.exe File opened (read-only) \??\S: svchost.exe File opened (read-only) \??\T: svchost.exe File opened (read-only) \??\E: svchost.exe File opened (read-only) \??\G: svchost.exe -
Suspicious use of SetThreadContext 1 IoCs
description pid Process procid_target PID 1968 set thread context of 3340 1968 rundll32.exe 85 -
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 1968 rundll32.exe 1968 rundll32.exe 1968 rundll32.exe 1968 rundll32.exe 3340 svchost.exe 3340 svchost.exe 3340 svchost.exe 3340 svchost.exe 3340 svchost.exe 3340 svchost.exe 3340 svchost.exe 3340 svchost.exe 3340 svchost.exe 3340 svchost.exe 3340 svchost.exe 3340 svchost.exe 3340 svchost.exe 3340 svchost.exe 3340 svchost.exe 3340 svchost.exe 3340 svchost.exe 3340 svchost.exe 3340 svchost.exe 3340 svchost.exe 3340 svchost.exe 3340 svchost.exe 3340 svchost.exe 3340 svchost.exe 3340 svchost.exe 3340 svchost.exe 3340 svchost.exe 3340 svchost.exe 3340 svchost.exe 3340 svchost.exe 3340 svchost.exe 3340 svchost.exe 3340 svchost.exe 3340 svchost.exe 3340 svchost.exe 3340 svchost.exe 3340 svchost.exe 3340 svchost.exe 3340 svchost.exe 3340 svchost.exe 3340 svchost.exe 3340 svchost.exe 3340 svchost.exe 3340 svchost.exe 3340 svchost.exe 3340 svchost.exe 3340 svchost.exe 3340 svchost.exe 3340 svchost.exe 3340 svchost.exe 3340 svchost.exe 3340 svchost.exe 3340 svchost.exe 3340 svchost.exe 3340 svchost.exe 3340 svchost.exe 3340 svchost.exe 3340 svchost.exe 3340 svchost.exe 3340 svchost.exe -
Suspicious use of AdjustPrivilegeToken 6 IoCs
description pid Process Token: SeDebugPrivilege 1968 rundll32.exe Token: SeDebugPrivilege 1968 rundll32.exe Token: 33 3340 svchost.exe Token: SeIncBasePriorityPrivilege 3340 svchost.exe Token: 33 3340 svchost.exe Token: SeIncBasePriorityPrivilege 3340 svchost.exe -
Suspicious use of WriteProcessMemory 14 IoCs
description pid Process procid_target PID 4376 wrote to memory of 1968 4376 rundll32.exe 83 PID 4376 wrote to memory of 1968 4376 rundll32.exe 83 PID 4376 wrote to memory of 1968 4376 rundll32.exe 83 PID 1968 wrote to memory of 2524 1968 rundll32.exe 84 PID 1968 wrote to memory of 2524 1968 rundll32.exe 84 PID 1968 wrote to memory of 2524 1968 rundll32.exe 84 PID 1968 wrote to memory of 3340 1968 rundll32.exe 85 PID 1968 wrote to memory of 3340 1968 rundll32.exe 85 PID 1968 wrote to memory of 3340 1968 rundll32.exe 85 PID 1968 wrote to memory of 3340 1968 rundll32.exe 85 PID 1968 wrote to memory of 3340 1968 rundll32.exe 85 PID 1968 wrote to memory of 3340 1968 rundll32.exe 85 PID 1968 wrote to memory of 3340 1968 rundll32.exe 85 PID 1968 wrote to memory of 3340 1968 rundll32.exe 85
Processes
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C:\Windows\system32\winlogon.exewinlogon.exe1⤵PID:604
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C:\Windows\SysWOW64\svchost.exeC:\Windows\system32\svchost.exe -k LocalServiceNetworkRestricted2⤵PID:2524
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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:3340
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C:\Windows\system32\rundll32.exerundll32.exe C:\Users\Admin\AppData\Local\Temp\3641ef075a9694cfc4158224e5bfd7eda3202766c93a682bc6a4e559e3a3f403.dll,#11⤵
- Suspicious use of WriteProcessMemory
PID:4376 -
C:\Windows\SysWOW64\rundll32.exerundll32.exe C:\Users\Admin\AppData\Local\Temp\3641ef075a9694cfc4158224e5bfd7eda3202766c93a682bc6a4e559e3a3f403.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:1968
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