Analysis
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max time kernel
150s -
max time network
119s -
platform
windows7_x64 -
resource
win7-20240903-en -
resource tags
arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system -
submitted
19-09-2024 23:05
Behavioral task
behavioral1
Sample
c66c147889e987af09e8d54c7741ac28d460b5c096e6d59b36fdc1e9adb4b3bf.dll
Resource
win7-20240903-en
General
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Target
c66c147889e987af09e8d54c7741ac28d460b5c096e6d59b36fdc1e9adb4b3bf.dll
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Size
437KB
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MD5
402686aad490f05617784b8640883706
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SHA1
fb1066c85e09e31377fc3e2825193d6e2fea28ec
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SHA256
c66c147889e987af09e8d54c7741ac28d460b5c096e6d59b36fdc1e9adb4b3bf
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SHA512
feb217dd2d72dedbc5345c4d16a87ecbe096344b3ba78b9160a1565f9a0e3efd1edf3bf489ba591c2584509d533e98b9141397a02ffe3b49a82ea09fac436283
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SSDEEP
6144:bas0ZLc/IJvCklIqA8mvHwgnHJp9OWqw7zsK0bencTpX4KtjY5Jt/lt0zwzOu6WF:gBFJqk2q1g5ppemr0bAKoNfnQCSWpoSf
Malware Config
Signatures
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resource yara_rule behavioral1/memory/2492-21-0x0000000010000000-0x00000000101A0000-memory.dmp purplefox_rootkit behavioral1/memory/2492-23-0x0000000010000000-0x00000000101A0000-memory.dmp purplefox_rootkit behavioral1/memory/2492-38-0x0000000000400000-0x0000000000543000-memory.dmp purplefox_rootkit -
Gh0st RAT payload 3 IoCs
resource yara_rule behavioral1/memory/2492-21-0x0000000010000000-0x00000000101A0000-memory.dmp family_gh0strat behavioral1/memory/2492-23-0x0000000010000000-0x00000000101A0000-memory.dmp family_gh0strat behavioral1/memory/2492-38-0x0000000000400000-0x0000000000543000-memory.dmp family_gh0strat -
Suspicious use of NtCreateUserProcessOtherParentProcess 1 IoCs
description pid Process procid_target PID 2312 created 432 2312 rundll32.exe 5 -
resource yara_rule behavioral1/memory/2312-3-0x0000000010000000-0x00000000100A6000-memory.dmp upx behavioral1/memory/2312-2-0x0000000010000000-0x00000000100A6000-memory.dmp upx behavioral1/memory/2312-1-0x0000000010000000-0x00000000100A6000-memory.dmp upx behavioral1/memory/2312-0-0x0000000010000000-0x00000000100A6000-memory.dmp upx behavioral1/memory/2492-8-0x0000000000400000-0x0000000000543000-memory.dmp upx behavioral1/memory/2492-11-0x0000000000400000-0x0000000000543000-memory.dmp upx behavioral1/memory/2492-5-0x0000000000400000-0x0000000000543000-memory.dmp upx behavioral1/memory/2492-17-0x0000000000400000-0x0000000000543000-memory.dmp upx behavioral1/memory/2492-20-0x0000000000400000-0x0000000000543000-memory.dmp upx behavioral1/memory/2492-19-0x0000000000400000-0x0000000000543000-memory.dmp upx behavioral1/memory/2492-18-0x0000000000400000-0x0000000000543000-memory.dmp upx behavioral1/memory/2492-38-0x0000000000400000-0x0000000000543000-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) \??\W: svchost.exe File opened (read-only) \??\B: svchost.exe File opened (read-only) \??\H: svchost.exe File opened (read-only) \??\N: svchost.exe File opened (read-only) \??\Q: svchost.exe File opened (read-only) \??\S: svchost.exe File opened (read-only) \??\X: svchost.exe File opened (read-only) \??\Y: svchost.exe File opened (read-only) \??\J: svchost.exe File opened (read-only) \??\K: svchost.exe File opened (read-only) \??\M: svchost.exe File opened (read-only) \??\L: svchost.exe File opened (read-only) \??\O: svchost.exe File opened (read-only) \??\R: svchost.exe File opened (read-only) \??\T: svchost.exe File opened (read-only) \??\Z: svchost.exe File opened (read-only) \??\E: svchost.exe File opened (read-only) \??\G: svchost.exe File opened (read-only) \??\I: svchost.exe File opened (read-only) \??\P: svchost.exe File opened (read-only) \??\U: svchost.exe File opened (read-only) \??\V: svchost.exe -
Suspicious use of SetThreadContext 1 IoCs
description pid Process procid_target PID 2312 set thread context of 2492 2312 rundll32.exe 31 -
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 12 IoCs
description ioc Process Set value (int) \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\ActiveMovie\devenum\Version = "7" svchost.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Connections 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 Key created \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\ActiveMovie\devenum svchost.exe Key created \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings svchost.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings 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 -
Suspicious behavior: EnumeratesProcesses 64 IoCs
pid Process 2312 rundll32.exe 2492 svchost.exe 2492 svchost.exe 2492 svchost.exe 2492 svchost.exe 2492 svchost.exe 2492 svchost.exe 2492 svchost.exe 2492 svchost.exe 2492 svchost.exe 2492 svchost.exe 2492 svchost.exe 2492 svchost.exe 2492 svchost.exe 2492 svchost.exe 2492 svchost.exe 2492 svchost.exe 2492 svchost.exe 2492 svchost.exe 2492 svchost.exe 2492 svchost.exe 2492 svchost.exe 2492 svchost.exe 2492 svchost.exe 2492 svchost.exe 2492 svchost.exe 2492 svchost.exe 2492 svchost.exe 2492 svchost.exe 2492 svchost.exe 2492 svchost.exe 2492 svchost.exe 2492 svchost.exe 2492 svchost.exe 2492 svchost.exe 2492 svchost.exe 2492 svchost.exe 2492 svchost.exe 2492 svchost.exe 2492 svchost.exe 2492 svchost.exe 2492 svchost.exe 2492 svchost.exe 2492 svchost.exe 2492 svchost.exe 2492 svchost.exe 2492 svchost.exe 2492 svchost.exe 2492 svchost.exe 2492 svchost.exe 2492 svchost.exe 2492 svchost.exe 2492 svchost.exe 2492 svchost.exe 2492 svchost.exe 2492 svchost.exe 2492 svchost.exe 2492 svchost.exe 2492 svchost.exe 2492 svchost.exe 2492 svchost.exe 2492 svchost.exe 2492 svchost.exe 2492 svchost.exe -
Suspicious use of AdjustPrivilegeToken 5 IoCs
description pid Process Token: SeDebugPrivilege 2312 rundll32.exe Token: 33 2492 svchost.exe Token: SeIncBasePriorityPrivilege 2492 svchost.exe Token: 33 2492 svchost.exe Token: SeIncBasePriorityPrivilege 2492 svchost.exe -
Suspicious use of WriteProcessMemory 15 IoCs
description pid Process procid_target PID 2472 wrote to memory of 2312 2472 rundll32.exe 30 PID 2472 wrote to memory of 2312 2472 rundll32.exe 30 PID 2472 wrote to memory of 2312 2472 rundll32.exe 30 PID 2472 wrote to memory of 2312 2472 rundll32.exe 30 PID 2472 wrote to memory of 2312 2472 rundll32.exe 30 PID 2472 wrote to memory of 2312 2472 rundll32.exe 30 PID 2472 wrote to memory of 2312 2472 rundll32.exe 30 PID 2312 wrote to memory of 2492 2312 rundll32.exe 31 PID 2312 wrote to memory of 2492 2312 rundll32.exe 31 PID 2312 wrote to memory of 2492 2312 rundll32.exe 31 PID 2312 wrote to memory of 2492 2312 rundll32.exe 31 PID 2312 wrote to memory of 2492 2312 rundll32.exe 31 PID 2312 wrote to memory of 2492 2312 rundll32.exe 31 PID 2312 wrote to memory of 2492 2312 rundll32.exe 31 PID 2312 wrote to memory of 2492 2312 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:2492
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C:\Windows\system32\rundll32.exerundll32.exe C:\Users\Admin\AppData\Local\Temp\c66c147889e987af09e8d54c7741ac28d460b5c096e6d59b36fdc1e9adb4b3bf.dll,#11⤵
- Suspicious use of WriteProcessMemory
PID:2472 -
C:\Windows\SysWOW64\rundll32.exerundll32.exe C:\Users\Admin\AppData\Local\Temp\c66c147889e987af09e8d54c7741ac28d460b5c096e6d59b36fdc1e9adb4b3bf.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:2312
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