Analysis
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max time kernel
150s -
max time network
151s -
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
b649a3f25df687508fa92c830dfa13b13a486f62ab344bb8d0214bd5b8172b2f.dll
Resource
win7-20240705-en
General
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Target
b649a3f25df687508fa92c830dfa13b13a486f62ab344bb8d0214bd5b8172b2f.dll
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Size
437KB
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MD5
abae4af7a07f8ed36abc6a489f448167
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SHA1
551b67260bfabde2bc8527b46a906e1dfb1cfb6c
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SHA256
b649a3f25df687508fa92c830dfa13b13a486f62ab344bb8d0214bd5b8172b2f
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SHA512
71e75b13713d455d101bff548a1f856e2f506b18464be33f95c5033dfa1ca46d293500ca42b88ac7e6a1addf749b71574463d780e53873f7543780a3adaf7e55
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SSDEEP
6144:bas0ZLc/IJvCklIqA8mvHwgnHJp9OWqw7zsK0bencTpX4KtjY5Jt/lt0zwzOu6W4:gBFJqk2q1g5ppemr0bAKoNfnQCSWpoSi
Malware Config
Signatures
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resource yara_rule behavioral2/memory/2912-22-0x0000000010000000-0x00000000101A0000-memory.dmp purplefox_rootkit behavioral2/memory/4884-24-0x0000000010000000-0x00000000101A0000-memory.dmp purplefox_rootkit -
Gh0st RAT payload 2 IoCs
resource yara_rule behavioral2/memory/2912-22-0x0000000010000000-0x00000000101A0000-memory.dmp family_gh0strat behavioral2/memory/4884-24-0x0000000010000000-0x00000000101A0000-memory.dmp family_gh0strat -
Suspicious use of NtCreateUserProcessOtherParentProcess 2 IoCs
description pid Process procid_target PID 3176 created 624 3176 rundll32.exe 5 PID 3176 created 624 3176 rundll32.exe 5 -
resource yara_rule behavioral2/memory/3176-0-0x0000000010000000-0x00000000100A6000-memory.dmp upx behavioral2/memory/4884-1-0x0000000000400000-0x0000000000543000-memory.dmp upx behavioral2/memory/4884-8-0x0000000000400000-0x0000000000543000-memory.dmp upx behavioral2/memory/4884-9-0x0000000000400000-0x0000000000543000-memory.dmp upx behavioral2/memory/4884-2-0x0000000000400000-0x0000000000543000-memory.dmp upx behavioral2/memory/4884-7-0x0000000000400000-0x0000000000543000-memory.dmp upx behavioral2/memory/4884-3-0x0000000000400000-0x0000000000543000-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) \??\U: svchost.exe File opened (read-only) \??\G: svchost.exe File opened (read-only) \??\O: svchost.exe File opened (read-only) \??\Q: svchost.exe File opened (read-only) \??\N: svchost.exe File opened (read-only) \??\S: svchost.exe File opened (read-only) \??\Z: svchost.exe File opened (read-only) \??\I: svchost.exe File opened (read-only) \??\R: svchost.exe File opened (read-only) \??\H: svchost.exe File opened (read-only) \??\K: svchost.exe File opened (read-only) \??\V: svchost.exe File opened (read-only) \??\H: svchost.exe File opened (read-only) \??\L: svchost.exe File opened (read-only) \??\P: svchost.exe File opened (read-only) \??\T: svchost.exe File opened (read-only) \??\W: svchost.exe File opened (read-only) \??\J: svchost.exe File opened (read-only) \??\M: svchost.exe File opened (read-only) \??\M: svchost.exe File opened (read-only) \??\N: svchost.exe File opened (read-only) \??\S: svchost.exe File opened (read-only) \??\V: svchost.exe File opened (read-only) \??\E: svchost.exe File opened (read-only) \??\T: svchost.exe File opened (read-only) \??\K: svchost.exe File opened (read-only) \??\Y: svchost.exe File opened (read-only) \??\G: svchost.exe File opened (read-only) \??\Q: svchost.exe File opened (read-only) \??\X: svchost.exe File opened (read-only) \??\X: svchost.exe File opened (read-only) \??\B: svchost.exe File opened (read-only) \??\B: svchost.exe File opened (read-only) \??\E: svchost.exe File opened (read-only) \??\I: svchost.exe File opened (read-only) \??\O: svchost.exe File opened (read-only) \??\P: svchost.exe File opened (read-only) \??\R: svchost.exe File opened (read-only) \??\Z: svchost.exe File opened (read-only) \??\L: svchost.exe File opened (read-only) \??\W: svchost.exe File opened (read-only) \??\Y: svchost.exe File opened (read-only) \??\J: svchost.exe File opened (read-only) \??\U: svchost.exe -
Suspicious use of SetThreadContext 2 IoCs
description pid Process procid_target PID 3176 set thread context of 4884 3176 rundll32.exe 85 PID 3176 set thread context of 2912 3176 rundll32.exe 86 -
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 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 Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\ActiveMovie\devenum svchost.exe -
Suspicious behavior: EnumeratesProcesses 64 IoCs
pid Process 3176 rundll32.exe 3176 rundll32.exe 3176 rundll32.exe 3176 rundll32.exe 2912 svchost.exe 2912 svchost.exe 2912 svchost.exe 2912 svchost.exe 2912 svchost.exe 2912 svchost.exe 4884 svchost.exe 2912 svchost.exe 4884 svchost.exe 2912 svchost.exe 4884 svchost.exe 2912 svchost.exe 4884 svchost.exe 2912 svchost.exe 4884 svchost.exe 2912 svchost.exe 4884 svchost.exe 2912 svchost.exe 4884 svchost.exe 2912 svchost.exe 4884 svchost.exe 2912 svchost.exe 4884 svchost.exe 2912 svchost.exe 4884 svchost.exe 2912 svchost.exe 4884 svchost.exe 2912 svchost.exe 4884 svchost.exe 2912 svchost.exe 4884 svchost.exe 2912 svchost.exe 4884 svchost.exe 2912 svchost.exe 4884 svchost.exe 2912 svchost.exe 4884 svchost.exe 2912 svchost.exe 4884 svchost.exe 2912 svchost.exe 4884 svchost.exe 2912 svchost.exe 4884 svchost.exe 2912 svchost.exe 4884 svchost.exe 2912 svchost.exe 4884 svchost.exe 2912 svchost.exe 4884 svchost.exe 2912 svchost.exe 2912 svchost.exe 4884 svchost.exe 2912 svchost.exe 4884 svchost.exe 2912 svchost.exe 4884 svchost.exe 2912 svchost.exe 4884 svchost.exe 2912 svchost.exe 4884 svchost.exe -
Suspicious use of AdjustPrivilegeToken 10 IoCs
description pid Process Token: SeDebugPrivilege 3176 rundll32.exe Token: SeDebugPrivilege 3176 rundll32.exe Token: 33 4884 svchost.exe Token: 33 2912 svchost.exe Token: SeIncBasePriorityPrivilege 4884 svchost.exe Token: SeIncBasePriorityPrivilege 2912 svchost.exe Token: 33 4884 svchost.exe Token: SeIncBasePriorityPrivilege 4884 svchost.exe Token: 33 2912 svchost.exe Token: SeIncBasePriorityPrivilege 2912 svchost.exe -
Suspicious use of WriteProcessMemory 19 IoCs
description pid Process procid_target PID 3184 wrote to memory of 3176 3184 rundll32.exe 84 PID 3184 wrote to memory of 3176 3184 rundll32.exe 84 PID 3184 wrote to memory of 3176 3184 rundll32.exe 84 PID 3176 wrote to memory of 4884 3176 rundll32.exe 85 PID 3176 wrote to memory of 4884 3176 rundll32.exe 85 PID 3176 wrote to memory of 4884 3176 rundll32.exe 85 PID 3176 wrote to memory of 4884 3176 rundll32.exe 85 PID 3176 wrote to memory of 4884 3176 rundll32.exe 85 PID 3176 wrote to memory of 4884 3176 rundll32.exe 85 PID 3176 wrote to memory of 4884 3176 rundll32.exe 85 PID 3176 wrote to memory of 4884 3176 rundll32.exe 85 PID 3176 wrote to memory of 2912 3176 rundll32.exe 86 PID 3176 wrote to memory of 2912 3176 rundll32.exe 86 PID 3176 wrote to memory of 2912 3176 rundll32.exe 86 PID 3176 wrote to memory of 2912 3176 rundll32.exe 86 PID 3176 wrote to memory of 2912 3176 rundll32.exe 86 PID 3176 wrote to memory of 2912 3176 rundll32.exe 86 PID 3176 wrote to memory of 2912 3176 rundll32.exe 86 PID 3176 wrote to memory of 2912 3176 rundll32.exe 86
Processes
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C:\Windows\system32\winlogon.exewinlogon.exe1⤵PID:624
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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:4884
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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:2912
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C:\Windows\system32\rundll32.exerundll32.exe C:\Users\Admin\AppData\Local\Temp\b649a3f25df687508fa92c830dfa13b13a486f62ab344bb8d0214bd5b8172b2f.dll,#11⤵
- Suspicious use of WriteProcessMemory
PID:3184 -
C:\Windows\SysWOW64\rundll32.exerundll32.exe C:\Users\Admin\AppData\Local\Temp\b649a3f25df687508fa92c830dfa13b13a486f62ab344bb8d0214bd5b8172b2f.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:3176
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