Analysis
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max time kernel
150s -
max time network
125s -
platform
windows7_x64 -
resource
win7-20240903-en -
resource tags
arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system -
submitted
23-09-2024 08:02
Behavioral task
behavioral1
Sample
f207eecea8f248434744966cf6221ce8669a62945fc6da69eed9d8885bc9cd37.dll
Resource
win7-20240903-en
windows7-x64
14 signatures
150 seconds
General
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Target
f207eecea8f248434744966cf6221ce8669a62945fc6da69eed9d8885bc9cd37.dll
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Size
437KB
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MD5
0ed2acffb97260cb0e595d38e9946507
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SHA1
8920348471b618274bf6f4fb43b4ef17787076f8
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SHA256
f207eecea8f248434744966cf6221ce8669a62945fc6da69eed9d8885bc9cd37
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SHA512
b90d908bf5d43a4d15d89666e7ffcc5363a49be40f0e3513fbaa80325fe0fcd744ae23767199fd72a8f1e046c59d84c23590cb29e0928250f83695ddc9746362
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SSDEEP
6144:bas0ZLc/IJvCklIqA8mvHwgnHJp9OWqw7zsK0bencTpX4KtjY5Jt/lt0zwzOu6W0:gBFJqk2q1g5ppemr0bAKoNfnQCSWpoSu
Malware Config
Signatures
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resource yara_rule behavioral1/memory/2496-21-0x0000000010000000-0x00000000101A0000-memory.dmp purplefox_rootkit behavioral1/memory/2496-23-0x0000000010000000-0x00000000101A0000-memory.dmp purplefox_rootkit behavioral1/memory/2496-38-0x0000000000400000-0x0000000000543000-memory.dmp purplefox_rootkit -
Gh0st RAT payload 3 IoCs
resource yara_rule behavioral1/memory/2496-21-0x0000000010000000-0x00000000101A0000-memory.dmp family_gh0strat behavioral1/memory/2496-23-0x0000000010000000-0x00000000101A0000-memory.dmp family_gh0strat behavioral1/memory/2496-38-0x0000000000400000-0x0000000000543000-memory.dmp family_gh0strat -
Suspicious use of NtCreateUserProcessOtherParentProcess 1 IoCs
description pid Process procid_target PID 1856 created 416 1856 rundll32.exe 5 -
resource yara_rule behavioral1/memory/1856-0-0x0000000010000000-0x00000000100A6000-memory.dmp upx behavioral1/memory/1856-2-0x0000000010000000-0x00000000100A6000-memory.dmp upx behavioral1/memory/1856-3-0x0000000010000000-0x00000000100A6000-memory.dmp upx behavioral1/memory/1856-1-0x0000000010000000-0x00000000100A6000-memory.dmp upx behavioral1/memory/2496-5-0x0000000000400000-0x0000000000543000-memory.dmp upx behavioral1/memory/2496-11-0x0000000000400000-0x0000000000543000-memory.dmp upx behavioral1/memory/2496-17-0x0000000000400000-0x0000000000543000-memory.dmp upx behavioral1/memory/2496-19-0x0000000000400000-0x0000000000543000-memory.dmp upx behavioral1/memory/2496-20-0x0000000000400000-0x0000000000543000-memory.dmp upx behavioral1/memory/2496-18-0x0000000000400000-0x0000000000543000-memory.dmp upx behavioral1/memory/2496-8-0x0000000000400000-0x0000000000543000-memory.dmp upx behavioral1/memory/2496-38-0x0000000000400000-0x0000000000543000-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) \??\H: svchost.exe File opened (read-only) \??\J: svchost.exe File opened (read-only) \??\N: svchost.exe File opened (read-only) \??\P: svchost.exe File opened (read-only) \??\Q: svchost.exe File opened (read-only) \??\S: svchost.exe File opened (read-only) \??\Z: svchost.exe File opened (read-only) \??\G: 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) \??\V: svchost.exe File opened (read-only) \??\W: svchost.exe File opened (read-only) \??\Y: svchost.exe File opened (read-only) \??\B: svchost.exe File opened (read-only) \??\I: svchost.exe File opened (read-only) \??\E: svchost.exe File opened (read-only) \??\K: svchost.exe File opened (read-only) \??\M: svchost.exe File opened (read-only) \??\O: svchost.exe File opened (read-only) \??\U: svchost.exe File opened (read-only) \??\X: svchost.exe -
Suspicious use of SetThreadContext 1 IoCs
description pid Process procid_target PID 1856 set thread context of 2496 1856 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 svchost.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language rundll32.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\Windows\CurrentVersion\Internet Settings\ProxyEnable = "0" svchost.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\ActiveMovie\devenum 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\Connections svchost.exe Key created \REGISTRY\USER\.DEFAULT\Software svchost.exe Set value (int) \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\ActiveMovie\devenum\Version = "7" 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\Microsoft\Windows\CurrentVersion\Internet Settings svchost.exe Set value (data) \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Connections\SavedLegacySettings = 4600000002000000090000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000 svchost.exe -
Suspicious behavior: EnumeratesProcesses 64 IoCs
pid Process 1856 rundll32.exe 2496 svchost.exe 2496 svchost.exe 2496 svchost.exe 2496 svchost.exe 2496 svchost.exe 2496 svchost.exe 2496 svchost.exe 2496 svchost.exe 2496 svchost.exe 2496 svchost.exe 2496 svchost.exe 2496 svchost.exe 2496 svchost.exe 2496 svchost.exe 2496 svchost.exe 2496 svchost.exe 2496 svchost.exe 2496 svchost.exe 2496 svchost.exe 2496 svchost.exe 2496 svchost.exe 2496 svchost.exe 2496 svchost.exe 2496 svchost.exe 2496 svchost.exe 2496 svchost.exe 2496 svchost.exe 2496 svchost.exe 2496 svchost.exe 2496 svchost.exe 2496 svchost.exe 2496 svchost.exe 2496 svchost.exe 2496 svchost.exe 2496 svchost.exe 2496 svchost.exe 2496 svchost.exe 2496 svchost.exe 2496 svchost.exe 2496 svchost.exe 2496 svchost.exe 2496 svchost.exe 2496 svchost.exe 2496 svchost.exe 2496 svchost.exe 2496 svchost.exe 2496 svchost.exe 2496 svchost.exe 2496 svchost.exe 2496 svchost.exe 2496 svchost.exe 2496 svchost.exe 2496 svchost.exe 2496 svchost.exe 2496 svchost.exe 2496 svchost.exe 2496 svchost.exe 2496 svchost.exe 2496 svchost.exe 2496 svchost.exe 2496 svchost.exe 2496 svchost.exe 2496 svchost.exe -
Suspicious use of AdjustPrivilegeToken 5 IoCs
description pid Process Token: SeDebugPrivilege 1856 rundll32.exe Token: 33 2496 svchost.exe Token: SeIncBasePriorityPrivilege 2496 svchost.exe Token: 33 2496 svchost.exe Token: SeIncBasePriorityPrivilege 2496 svchost.exe -
Suspicious use of WriteProcessMemory 15 IoCs
description pid Process procid_target PID 1804 wrote to memory of 1856 1804 rundll32.exe 30 PID 1804 wrote to memory of 1856 1804 rundll32.exe 30 PID 1804 wrote to memory of 1856 1804 rundll32.exe 30 PID 1804 wrote to memory of 1856 1804 rundll32.exe 30 PID 1804 wrote to memory of 1856 1804 rundll32.exe 30 PID 1804 wrote to memory of 1856 1804 rundll32.exe 30 PID 1804 wrote to memory of 1856 1804 rundll32.exe 30 PID 1856 wrote to memory of 2496 1856 rundll32.exe 31 PID 1856 wrote to memory of 2496 1856 rundll32.exe 31 PID 1856 wrote to memory of 2496 1856 rundll32.exe 31 PID 1856 wrote to memory of 2496 1856 rundll32.exe 31 PID 1856 wrote to memory of 2496 1856 rundll32.exe 31 PID 1856 wrote to memory of 2496 1856 rundll32.exe 31 PID 1856 wrote to memory of 2496 1856 rundll32.exe 31 PID 1856 wrote to memory of 2496 1856 rundll32.exe 31
Processes
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C:\Windows\system32\winlogon.exewinlogon.exe1⤵PID:416
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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:2496
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C:\Windows\system32\rundll32.exerundll32.exe C:\Users\Admin\AppData\Local\Temp\f207eecea8f248434744966cf6221ce8669a62945fc6da69eed9d8885bc9cd37.dll,#11⤵
- Suspicious use of WriteProcessMemory
PID:1804 -
C:\Windows\SysWOW64\rundll32.exerundll32.exe C:\Users\Admin\AppData\Local\Temp\f207eecea8f248434744966cf6221ce8669a62945fc6da69eed9d8885bc9cd37.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:1856
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