Analysis
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max time kernel
150s -
max time network
123s -
platform
windows7_x64 -
resource
win7-20240705-en -
resource tags
arch:x64arch:x86image:win7-20240705-enlocale:en-usos:windows7-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 behavioral1/memory/2760-21-0x0000000010000000-0x00000000101A0000-memory.dmp purplefox_rootkit behavioral1/memory/2760-23-0x0000000010000000-0x00000000101A0000-memory.dmp purplefox_rootkit behavioral1/memory/2760-38-0x0000000000400000-0x0000000000543000-memory.dmp purplefox_rootkit -
Gh0st RAT payload 3 IoCs
resource yara_rule behavioral1/memory/2760-21-0x0000000010000000-0x00000000101A0000-memory.dmp family_gh0strat behavioral1/memory/2760-23-0x0000000010000000-0x00000000101A0000-memory.dmp family_gh0strat behavioral1/memory/2760-38-0x0000000000400000-0x0000000000543000-memory.dmp family_gh0strat -
Suspicious use of NtCreateUserProcessOtherParentProcess 1 IoCs
description pid Process procid_target PID 284 created 432 284 rundll32.exe 5 -
resource yara_rule behavioral1/memory/284-3-0x0000000010000000-0x00000000100A6000-memory.dmp upx behavioral1/memory/284-2-0x0000000010000000-0x00000000100A6000-memory.dmp upx behavioral1/memory/2760-9-0x0000000000400000-0x0000000000543000-memory.dmp upx behavioral1/memory/2760-11-0x0000000000400000-0x0000000000543000-memory.dmp upx behavioral1/memory/2760-17-0x0000000000400000-0x0000000000543000-memory.dmp upx behavioral1/memory/2760-19-0x0000000000400000-0x0000000000543000-memory.dmp upx behavioral1/memory/2760-20-0x0000000000400000-0x0000000000543000-memory.dmp upx behavioral1/memory/2760-18-0x0000000000400000-0x0000000000543000-memory.dmp upx behavioral1/memory/2760-6-0x0000000000400000-0x0000000000543000-memory.dmp upx behavioral1/memory/2760-38-0x0000000000400000-0x0000000000543000-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) \??\G: 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) \??\O: svchost.exe File opened (read-only) \??\R: svchost.exe File opened (read-only) \??\U: svchost.exe File opened (read-only) \??\Y: svchost.exe File opened (read-only) \??\E: svchost.exe File opened (read-only) \??\J: svchost.exe File opened (read-only) \??\P: svchost.exe File opened (read-only) \??\V: svchost.exe File opened (read-only) \??\X: svchost.exe File opened (read-only) \??\B: 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) \??\W: 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) \??\T: svchost.exe -
Suspicious use of SetThreadContext 1 IoCs
description pid Process procid_target PID 284 set thread context of 2760 284 rundll32.exe 32 -
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 Key created \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\ActiveMovie svchost.exe Key created \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\ActiveMovie\devenum svchost.exe 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 svchost.exe Set value (data) \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Connections\DefaultConnectionSettings = 4600000002000000090000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000 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 svchost.exe Key created \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft 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 284 rundll32.exe 2760 svchost.exe 2760 svchost.exe 2760 svchost.exe 2760 svchost.exe 2760 svchost.exe 2760 svchost.exe 2760 svchost.exe 2760 svchost.exe 2760 svchost.exe 2760 svchost.exe 2760 svchost.exe 2760 svchost.exe 2760 svchost.exe 2760 svchost.exe 2760 svchost.exe 2760 svchost.exe 2760 svchost.exe 2760 svchost.exe 2760 svchost.exe 2760 svchost.exe 2760 svchost.exe 2760 svchost.exe 2760 svchost.exe 2760 svchost.exe 2760 svchost.exe 2760 svchost.exe 2760 svchost.exe 2760 svchost.exe 2760 svchost.exe 2760 svchost.exe 2760 svchost.exe 2760 svchost.exe 2760 svchost.exe 2760 svchost.exe 2760 svchost.exe 2760 svchost.exe 2760 svchost.exe 2760 svchost.exe 2760 svchost.exe 2760 svchost.exe 2760 svchost.exe 2760 svchost.exe 2760 svchost.exe 2760 svchost.exe 2760 svchost.exe 2760 svchost.exe 2760 svchost.exe 2760 svchost.exe 2760 svchost.exe 2760 svchost.exe 2760 svchost.exe 2760 svchost.exe 2760 svchost.exe 2760 svchost.exe 2760 svchost.exe 2760 svchost.exe 2760 svchost.exe 2760 svchost.exe 2760 svchost.exe 2760 svchost.exe 2760 svchost.exe 2760 svchost.exe 2760 svchost.exe -
Suspicious use of AdjustPrivilegeToken 5 IoCs
description pid Process Token: SeDebugPrivilege 284 rundll32.exe Token: 33 2760 svchost.exe Token: SeIncBasePriorityPrivilege 2760 svchost.exe Token: 33 2760 svchost.exe Token: SeIncBasePriorityPrivilege 2760 svchost.exe -
Suspicious use of WriteProcessMemory 15 IoCs
description pid Process procid_target PID 1544 wrote to memory of 284 1544 rundll32.exe 31 PID 1544 wrote to memory of 284 1544 rundll32.exe 31 PID 1544 wrote to memory of 284 1544 rundll32.exe 31 PID 1544 wrote to memory of 284 1544 rundll32.exe 31 PID 1544 wrote to memory of 284 1544 rundll32.exe 31 PID 1544 wrote to memory of 284 1544 rundll32.exe 31 PID 1544 wrote to memory of 284 1544 rundll32.exe 31 PID 284 wrote to memory of 2760 284 rundll32.exe 32 PID 284 wrote to memory of 2760 284 rundll32.exe 32 PID 284 wrote to memory of 2760 284 rundll32.exe 32 PID 284 wrote to memory of 2760 284 rundll32.exe 32 PID 284 wrote to memory of 2760 284 rundll32.exe 32 PID 284 wrote to memory of 2760 284 rundll32.exe 32 PID 284 wrote to memory of 2760 284 rundll32.exe 32 PID 284 wrote to memory of 2760 284 rundll32.exe 32
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:2760
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C:\Windows\system32\rundll32.exerundll32.exe C:\Users\Admin\AppData\Local\Temp\a89a520e5d10f7e8918149d1d408091d619ff31c42c099753a4114045243d28d.dll,#11⤵
- Suspicious use of WriteProcessMemory
PID:1544 -
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:284
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