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Analysis
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max time kernel
150s -
max time network
122s -
platform
windows7_x64 -
resource
win7-20240903-en -
resource tags
arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system -
submitted
25/09/2024, 04:38
Behavioral task
behavioral1
Sample
b56af3a42212e4a8484b04b6c1b54a3cf05501b5f731292d2f8180d21de809ba.dll
Resource
win7-20240903-en
windows7-x64
14 signatures
150 seconds
General
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Target
b56af3a42212e4a8484b04b6c1b54a3cf05501b5f731292d2f8180d21de809ba.dll
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Size
437KB
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MD5
14bfd361df1898489ea9dd8d0f4bb41f
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SHA1
465640b698452e2829c1f0d0405bc4b2f6e31e30
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SHA256
b56af3a42212e4a8484b04b6c1b54a3cf05501b5f731292d2f8180d21de809ba
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SHA512
a00d8a72cac15a0efd8d72989391e5c26feb14bb1a66a22438adc4a8b246d5ea80f054a7262ce98d0ddb47a7fb6307392d5e5a3008a392fb1f1a83797bf9245e
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SSDEEP
6144:bas0ZLc/IJvCklIqA8mvHwgnHJp9OWqw7zsK0bencTpX4KtjY5Jt/lt0zwzOu6Wb:gBFJqk2q1g5ppemr0bAKoNfnQCSWpoSB
Malware Config
Signatures
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resource yara_rule behavioral1/memory/2404-20-0x0000000010000000-0x00000000101A0000-memory.dmp purplefox_rootkit behavioral1/memory/2404-22-0x0000000010000000-0x00000000101A0000-memory.dmp purplefox_rootkit -
Gh0st RAT payload 2 IoCs
resource yara_rule behavioral1/memory/2404-20-0x0000000010000000-0x00000000101A0000-memory.dmp family_gh0strat behavioral1/memory/2404-22-0x0000000010000000-0x00000000101A0000-memory.dmp family_gh0strat -
Suspicious use of NtCreateUserProcessOtherParentProcess 1 IoCs
description pid Process procid_target PID 2364 created 432 2364 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) \??\H: svchost.exe File opened (read-only) \??\S: svchost.exe File opened (read-only) \??\V: svchost.exe File opened (read-only) \??\W: svchost.exe File opened (read-only) \??\X: svchost.exe File opened (read-only) \??\E: svchost.exe File opened (read-only) \??\G: svchost.exe File opened (read-only) \??\T: svchost.exe File opened (read-only) \??\I: svchost.exe File opened (read-only) \??\Q: svchost.exe File opened (read-only) \??\P: svchost.exe File opened (read-only) \??\U: svchost.exe File opened (read-only) \??\L: svchost.exe File opened (read-only) \??\M: svchost.exe File opened (read-only) \??\K: svchost.exe File opened (read-only) \??\N: svchost.exe File opened (read-only) \??\O: svchost.exe File opened (read-only) \??\R: 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) \??\J: svchost.exe -
Suspicious use of SetThreadContext 1 IoCs
description pid Process procid_target PID 2364 set thread context of 2404 2364 rundll32.exe 31 -
resource yara_rule behavioral1/memory/2364-2-0x0000000010000000-0x00000000100A6000-memory.dmp upx behavioral1/memory/2364-3-0x0000000010000000-0x00000000100A6000-memory.dmp upx behavioral1/memory/2364-1-0x0000000010000000-0x00000000100A6000-memory.dmp upx behavioral1/memory/2404-6-0x0000000000400000-0x0000000000543000-memory.dmp upx behavioral1/memory/2404-18-0x0000000000400000-0x0000000000543000-memory.dmp upx behavioral1/memory/2404-17-0x0000000000400000-0x0000000000543000-memory.dmp upx behavioral1/memory/2404-10-0x0000000000400000-0x0000000000543000-memory.dmp upx behavioral1/memory/2404-8-0x0000000000400000-0x0000000000543000-memory.dmp upx behavioral1/memory/2404-16-0x0000000000400000-0x0000000000543000-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 value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\~MHz svchost.exe Key opened \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0 svchost.exe -
Modifies data under HKEY_USERS 12 IoCs
description ioc Process Key created \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings svchost.exe Set value (data) \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Connections\DefaultConnectionSettings = 4600000002000000090000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000 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 Set value (int) \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\ProxyEnable = "0" svchost.exe Set value (data) \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Connections\SavedLegacySettings = 4600000002000000090000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000 svchost.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\ActiveMovie\devenum svchost.exe Key created \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\ActiveMovie\devenum svchost.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Connections svchost.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings svchost.exe -
Suspicious behavior: EnumeratesProcesses 64 IoCs
pid Process 2364 rundll32.exe 2364 rundll32.exe 2404 svchost.exe 2404 svchost.exe 2404 svchost.exe 2404 svchost.exe 2404 svchost.exe 2404 svchost.exe 2404 svchost.exe 2404 svchost.exe 2404 svchost.exe 2404 svchost.exe 2404 svchost.exe 2404 svchost.exe 2404 svchost.exe 2404 svchost.exe 2404 svchost.exe 2404 svchost.exe 2404 svchost.exe 2404 svchost.exe 2404 svchost.exe 2404 svchost.exe 2404 svchost.exe 2404 svchost.exe 2404 svchost.exe 2404 svchost.exe 2404 svchost.exe 2404 svchost.exe 2404 svchost.exe 2404 svchost.exe 2404 svchost.exe 2404 svchost.exe 2404 svchost.exe 2404 svchost.exe 2404 svchost.exe 2404 svchost.exe 2404 svchost.exe 2404 svchost.exe 2404 svchost.exe 2404 svchost.exe 2404 svchost.exe 2404 svchost.exe 2404 svchost.exe 2404 svchost.exe 2404 svchost.exe 2404 svchost.exe 2404 svchost.exe 2404 svchost.exe 2404 svchost.exe 2404 svchost.exe 2404 svchost.exe 2404 svchost.exe 2404 svchost.exe 2404 svchost.exe 2404 svchost.exe 2404 svchost.exe 2404 svchost.exe 2404 svchost.exe 2404 svchost.exe 2404 svchost.exe 2404 svchost.exe 2404 svchost.exe 2404 svchost.exe 2404 svchost.exe -
Suspicious use of AdjustPrivilegeToken 5 IoCs
description pid Process Token: SeDebugPrivilege 2364 rundll32.exe Token: 33 2404 svchost.exe Token: SeIncBasePriorityPrivilege 2404 svchost.exe Token: 33 2404 svchost.exe Token: SeIncBasePriorityPrivilege 2404 svchost.exe -
Suspicious use of WriteProcessMemory 15 IoCs
description pid Process procid_target PID 2508 wrote to memory of 2364 2508 rundll32.exe 30 PID 2508 wrote to memory of 2364 2508 rundll32.exe 30 PID 2508 wrote to memory of 2364 2508 rundll32.exe 30 PID 2508 wrote to memory of 2364 2508 rundll32.exe 30 PID 2508 wrote to memory of 2364 2508 rundll32.exe 30 PID 2508 wrote to memory of 2364 2508 rundll32.exe 30 PID 2508 wrote to memory of 2364 2508 rundll32.exe 30 PID 2364 wrote to memory of 2404 2364 rundll32.exe 31 PID 2364 wrote to memory of 2404 2364 rundll32.exe 31 PID 2364 wrote to memory of 2404 2364 rundll32.exe 31 PID 2364 wrote to memory of 2404 2364 rundll32.exe 31 PID 2364 wrote to memory of 2404 2364 rundll32.exe 31 PID 2364 wrote to memory of 2404 2364 rundll32.exe 31 PID 2364 wrote to memory of 2404 2364 rundll32.exe 31 PID 2364 wrote to memory of 2404 2364 rundll32.exe 31
Processes
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C:\Windows\system32\winlogon.exewinlogon.exe1⤵PID:432
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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:2404
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C:\Windows\system32\rundll32.exerundll32.exe C:\Users\Admin\AppData\Local\Temp\b56af3a42212e4a8484b04b6c1b54a3cf05501b5f731292d2f8180d21de809ba.dll,#11⤵
- Suspicious use of WriteProcessMemory
PID:2508 -
C:\Windows\SysWOW64\rundll32.exerundll32.exe C:\Users\Admin\AppData\Local\Temp\b56af3a42212e4a8484b04b6c1b54a3cf05501b5f731292d2f8180d21de809ba.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:2364
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