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
18-08-2024 05:45
Behavioral task
behavioral1
Sample
a89a520e5d10f7e8918149d1d408091d619ff31c42c099753a4114045243d28d.dll
Resource
win7-20240705-en
windows7-x64
14 signatures
150 seconds
General
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Target
a89a520e5d10f7e8918149d1d408091d619ff31c42c099753a4114045243d28d.dll
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Size
437KB
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MD5
4180964d04a8b27fae17828a15b4e0b5
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SHA1
4f5369b55b4d05498c96666cf7b31f15112fdc6c
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SHA256
a89a520e5d10f7e8918149d1d408091d619ff31c42c099753a4114045243d28d
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SHA512
85d7fed26090bbc5057c6e1a9c99ddb9d36ee8b38cf9ac43264ca8952c46fb1a2c96e3b150453341f13533b80290be2f2ec6f5a4be8cc21cf657cdb9ee6d0c38
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SSDEEP
6144:bas0ZLc/IJvCklIqA8mvHwgnHJp9OWqw7zsK0bencTpX4KtjY5Jt/lt0zwzOu6WS:gBFJqk2q1g5ppemr0bAKoNfnQCSWpoSI
Malware Config
Signatures
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resource yara_rule behavioral2/memory/4472-22-0x0000000010000000-0x00000000101A0000-memory.dmp purplefox_rootkit behavioral2/memory/4588-24-0x0000000010000000-0x00000000101A0000-memory.dmp purplefox_rootkit -
Gh0st RAT payload 2 IoCs
resource yara_rule behavioral2/memory/4472-22-0x0000000010000000-0x00000000101A0000-memory.dmp family_gh0strat behavioral2/memory/4588-24-0x0000000010000000-0x00000000101A0000-memory.dmp family_gh0strat -
Suspicious use of NtCreateUserProcessOtherParentProcess 2 IoCs
description pid Process procid_target PID 2024 created 616 2024 rundll32.exe 5 PID 2024 created 616 2024 rundll32.exe 5 -
resource yara_rule behavioral2/memory/2024-0-0x0000000010000000-0x00000000100A6000-memory.dmp upx behavioral2/memory/4588-2-0x0000000000400000-0x0000000000543000-memory.dmp upx behavioral2/memory/4588-9-0x0000000000400000-0x0000000000543000-memory.dmp upx behavioral2/memory/4588-3-0x0000000000400000-0x0000000000543000-memory.dmp upx behavioral2/memory/4588-8-0x0000000000400000-0x0000000000543000-memory.dmp upx behavioral2/memory/4588-7-0x0000000000400000-0x0000000000543000-memory.dmp upx behavioral2/memory/4588-1-0x0000000000400000-0x0000000000543000-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) \??\J: svchost.exe File opened (read-only) \??\U: svchost.exe File opened (read-only) \??\X: svchost.exe File opened (read-only) \??\M: svchost.exe File opened (read-only) \??\Y: svchost.exe File opened (read-only) \??\Z: svchost.exe File opened (read-only) \??\K: svchost.exe File opened (read-only) \??\L: svchost.exe File opened (read-only) \??\B: svchost.exe File opened (read-only) \??\L: svchost.exe File opened (read-only) \??\R: svchost.exe File opened (read-only) \??\T: svchost.exe File opened (read-only) \??\G: svchost.exe File opened (read-only) \??\J: svchost.exe File opened (read-only) \??\Q: svchost.exe File opened (read-only) \??\S: svchost.exe File opened (read-only) \??\Y: svchost.exe File opened (read-only) \??\Z: svchost.exe File opened (read-only) \??\B: svchost.exe File opened (read-only) \??\U: svchost.exe File opened (read-only) \??\X: svchost.exe File opened (read-only) \??\E: svchost.exe File opened (read-only) \??\O: svchost.exe File opened (read-only) \??\E: svchost.exe File opened (read-only) \??\O: svchost.exe File opened (read-only) \??\R: svchost.exe File opened (read-only) \??\H: svchost.exe File opened (read-only) \??\Q: svchost.exe File opened (read-only) \??\S: svchost.exe File opened (read-only) \??\T: svchost.exe File opened (read-only) \??\G: svchost.exe File opened (read-only) \??\K: svchost.exe File opened (read-only) \??\W: svchost.exe File opened (read-only) \??\I: svchost.exe File opened (read-only) \??\M: svchost.exe File opened (read-only) \??\N: svchost.exe File opened (read-only) \??\H: svchost.exe File opened (read-only) \??\P: svchost.exe File opened (read-only) \??\W: svchost.exe File opened (read-only) \??\I: svchost.exe File opened (read-only) \??\P: svchost.exe File opened (read-only) \??\V: svchost.exe File opened (read-only) \??\N: svchost.exe File opened (read-only) \??\V: svchost.exe -
Suspicious use of SetThreadContext 2 IoCs
description pid Process procid_target PID 2024 set thread context of 4588 2024 rundll32.exe 87 PID 2024 set thread context of 4472 2024 rundll32.exe 88 -
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 rundll32.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language svchost.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language svchost.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 2024 rundll32.exe 2024 rundll32.exe 2024 rundll32.exe 2024 rundll32.exe 4588 svchost.exe 4588 svchost.exe 4588 svchost.exe 4588 svchost.exe 4588 svchost.exe 4588 svchost.exe 4588 svchost.exe 4588 svchost.exe 4588 svchost.exe 4588 svchost.exe 4588 svchost.exe 4588 svchost.exe 4588 svchost.exe 4588 svchost.exe 4588 svchost.exe 4588 svchost.exe 4588 svchost.exe 4588 svchost.exe 4588 svchost.exe 4588 svchost.exe 4588 svchost.exe 4588 svchost.exe 4588 svchost.exe 4588 svchost.exe 4588 svchost.exe 4588 svchost.exe 4588 svchost.exe 4588 svchost.exe 4588 svchost.exe 4588 svchost.exe 4588 svchost.exe 4588 svchost.exe 4588 svchost.exe 4588 svchost.exe 4588 svchost.exe 4588 svchost.exe 4588 svchost.exe 4588 svchost.exe 4588 svchost.exe 4588 svchost.exe 4588 svchost.exe 4588 svchost.exe 4588 svchost.exe 4588 svchost.exe 4588 svchost.exe 4588 svchost.exe 4472 svchost.exe 4472 svchost.exe 4472 svchost.exe 4472 svchost.exe 4472 svchost.exe 4472 svchost.exe 4588 svchost.exe 4588 svchost.exe 4472 svchost.exe 4472 svchost.exe 4472 svchost.exe 4588 svchost.exe 4472 svchost.exe 4588 svchost.exe -
Suspicious use of AdjustPrivilegeToken 10 IoCs
description pid Process Token: SeDebugPrivilege 2024 rundll32.exe Token: SeDebugPrivilege 2024 rundll32.exe Token: 33 4472 svchost.exe Token: SeIncBasePriorityPrivilege 4472 svchost.exe Token: 33 4588 svchost.exe Token: SeIncBasePriorityPrivilege 4588 svchost.exe Token: 33 4588 svchost.exe Token: SeIncBasePriorityPrivilege 4588 svchost.exe Token: 33 4472 svchost.exe Token: SeIncBasePriorityPrivilege 4472 svchost.exe -
Suspicious use of WriteProcessMemory 19 IoCs
description pid Process procid_target PID 4760 wrote to memory of 2024 4760 rundll32.exe 86 PID 4760 wrote to memory of 2024 4760 rundll32.exe 86 PID 4760 wrote to memory of 2024 4760 rundll32.exe 86 PID 2024 wrote to memory of 4588 2024 rundll32.exe 87 PID 2024 wrote to memory of 4588 2024 rundll32.exe 87 PID 2024 wrote to memory of 4588 2024 rundll32.exe 87 PID 2024 wrote to memory of 4588 2024 rundll32.exe 87 PID 2024 wrote to memory of 4588 2024 rundll32.exe 87 PID 2024 wrote to memory of 4588 2024 rundll32.exe 87 PID 2024 wrote to memory of 4588 2024 rundll32.exe 87 PID 2024 wrote to memory of 4588 2024 rundll32.exe 87 PID 2024 wrote to memory of 4472 2024 rundll32.exe 88 PID 2024 wrote to memory of 4472 2024 rundll32.exe 88 PID 2024 wrote to memory of 4472 2024 rundll32.exe 88 PID 2024 wrote to memory of 4472 2024 rundll32.exe 88 PID 2024 wrote to memory of 4472 2024 rundll32.exe 88 PID 2024 wrote to memory of 4472 2024 rundll32.exe 88 PID 2024 wrote to memory of 4472 2024 rundll32.exe 88 PID 2024 wrote to memory of 4472 2024 rundll32.exe 88
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:4588
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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:4472
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C:\Windows\system32\rundll32.exerundll32.exe C:\Users\Admin\AppData\Local\Temp\a89a520e5d10f7e8918149d1d408091d619ff31c42c099753a4114045243d28d.dll,#11⤵
- Suspicious use of WriteProcessMemory
PID:4760 -
C:\Windows\SysWOW64\rundll32.exerundll32.exe C:\Users\Admin\AppData\Local\Temp\a89a520e5d10f7e8918149d1d408091d619ff31c42c099753a4114045243d28d.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:2024
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