Analysis
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max time kernel
150s -
max time network
120s -
platform
windows7_x64 -
resource
win7-20240903-en -
resource tags
arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system -
submitted
19-09-2024 14:43
Behavioral task
behavioral1
Sample
1f215902ee247f1d9f5fd5c2d64f5e37d9963bbadb50d21535aa666a61e8ae21.dll
Resource
win7-20240903-en
windows7-x64
14 signatures
150 seconds
General
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Target
1f215902ee247f1d9f5fd5c2d64f5e37d9963bbadb50d21535aa666a61e8ae21.dll
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Size
437KB
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MD5
e04ceb867eaea18b6bd705f090e0838e
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SHA1
31d08c79e48e28b9d57343058a9d175c59985a27
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SHA256
1f215902ee247f1d9f5fd5c2d64f5e37d9963bbadb50d21535aa666a61e8ae21
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SHA512
1d3c18a444a1ca1e9cfecddc37cafd1166cbbd58af7db9d3de2c5f06a883484d09d977d1d89d729b0586936bfcc15840b760a9172b25a55c65f64ce86f2eaf1c
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SSDEEP
6144:bas0ZLc/IJvCklIqA8mvHwgnHJp9OWqw7zsK0bencTpX4KtjY5Jt/lt0zwzOu6Wk:gBFJqk2q1g5ppemr0bAKoNfnQCSWpoS+
Malware Config
Signatures
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resource yara_rule behavioral1/memory/3036-21-0x0000000010000000-0x00000000101A0000-memory.dmp purplefox_rootkit behavioral1/memory/3036-23-0x0000000010000000-0x00000000101A0000-memory.dmp purplefox_rootkit behavioral1/memory/3036-38-0x0000000000400000-0x0000000000543000-memory.dmp purplefox_rootkit -
Gh0st RAT payload 3 IoCs
resource yara_rule behavioral1/memory/3036-21-0x0000000010000000-0x00000000101A0000-memory.dmp family_gh0strat behavioral1/memory/3036-23-0x0000000010000000-0x00000000101A0000-memory.dmp family_gh0strat behavioral1/memory/3036-38-0x0000000000400000-0x0000000000543000-memory.dmp family_gh0strat -
Suspicious use of NtCreateUserProcessOtherParentProcess 1 IoCs
description pid Process procid_target PID 2724 created 432 2724 rundll32.exe 5 -
resource yara_rule behavioral1/memory/2724-3-0x0000000010000000-0x00000000100A6000-memory.dmp upx behavioral1/memory/2724-2-0x0000000010000000-0x00000000100A6000-memory.dmp upx behavioral1/memory/2724-1-0x0000000010000000-0x00000000100A6000-memory.dmp upx behavioral1/memory/2724-0-0x0000000010000000-0x00000000100A6000-memory.dmp upx behavioral1/memory/3036-5-0x0000000000400000-0x0000000000543000-memory.dmp upx behavioral1/memory/3036-11-0x0000000000400000-0x0000000000543000-memory.dmp upx behavioral1/memory/3036-8-0x0000000000400000-0x0000000000543000-memory.dmp upx behavioral1/memory/3036-17-0x0000000000400000-0x0000000000543000-memory.dmp upx behavioral1/memory/3036-18-0x0000000000400000-0x0000000000543000-memory.dmp upx behavioral1/memory/3036-19-0x0000000000400000-0x0000000000543000-memory.dmp upx behavioral1/memory/3036-20-0x0000000000400000-0x0000000000543000-memory.dmp upx behavioral1/memory/3036-38-0x0000000000400000-0x0000000000543000-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) \??\N: 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) \??\Z: svchost.exe File opened (read-only) \??\M: svchost.exe File opened (read-only) \??\G: svchost.exe File opened (read-only) \??\K: svchost.exe File opened (read-only) \??\L: svchost.exe File opened (read-only) \??\B: svchost.exe File opened (read-only) \??\I: svchost.exe File opened (read-only) \??\O: svchost.exe File opened (read-only) \??\Q: svchost.exe File opened (read-only) \??\S: svchost.exe File opened (read-only) \??\U: 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) \??\R: svchost.exe File opened (read-only) \??\X: svchost.exe File opened (read-only) \??\Y: svchost.exe File opened (read-only) \??\H: svchost.exe -
Suspicious use of SetThreadContext 1 IoCs
description pid Process procid_target PID 2724 set thread context of 3036 2724 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 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 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\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\Microsoft\Windows\CurrentVersion\Internet Settings svchost.exe 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 svchost.exe Key created \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\ActiveMovie 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 2724 rundll32.exe 3036 svchost.exe 3036 svchost.exe 3036 svchost.exe 3036 svchost.exe 3036 svchost.exe 3036 svchost.exe 3036 svchost.exe 3036 svchost.exe 3036 svchost.exe 3036 svchost.exe 3036 svchost.exe 3036 svchost.exe 3036 svchost.exe 3036 svchost.exe 3036 svchost.exe 3036 svchost.exe 3036 svchost.exe 3036 svchost.exe 3036 svchost.exe 3036 svchost.exe 3036 svchost.exe 3036 svchost.exe 3036 svchost.exe 3036 svchost.exe 3036 svchost.exe 3036 svchost.exe 3036 svchost.exe 3036 svchost.exe 3036 svchost.exe 3036 svchost.exe 3036 svchost.exe 3036 svchost.exe 3036 svchost.exe 3036 svchost.exe 3036 svchost.exe 3036 svchost.exe 3036 svchost.exe 3036 svchost.exe 3036 svchost.exe 3036 svchost.exe 3036 svchost.exe 3036 svchost.exe 3036 svchost.exe 3036 svchost.exe 3036 svchost.exe 3036 svchost.exe 3036 svchost.exe 3036 svchost.exe 3036 svchost.exe 3036 svchost.exe 3036 svchost.exe 3036 svchost.exe 3036 svchost.exe 3036 svchost.exe 3036 svchost.exe 3036 svchost.exe 3036 svchost.exe 3036 svchost.exe 3036 svchost.exe 3036 svchost.exe 3036 svchost.exe 3036 svchost.exe 3036 svchost.exe -
Suspicious use of AdjustPrivilegeToken 5 IoCs
description pid Process Token: SeDebugPrivilege 2724 rundll32.exe Token: 33 3036 svchost.exe Token: SeIncBasePriorityPrivilege 3036 svchost.exe Token: 33 3036 svchost.exe Token: SeIncBasePriorityPrivilege 3036 svchost.exe -
Suspicious use of WriteProcessMemory 15 IoCs
description pid Process procid_target PID 3024 wrote to memory of 2724 3024 rundll32.exe 31 PID 3024 wrote to memory of 2724 3024 rundll32.exe 31 PID 3024 wrote to memory of 2724 3024 rundll32.exe 31 PID 3024 wrote to memory of 2724 3024 rundll32.exe 31 PID 3024 wrote to memory of 2724 3024 rundll32.exe 31 PID 3024 wrote to memory of 2724 3024 rundll32.exe 31 PID 3024 wrote to memory of 2724 3024 rundll32.exe 31 PID 2724 wrote to memory of 3036 2724 rundll32.exe 32 PID 2724 wrote to memory of 3036 2724 rundll32.exe 32 PID 2724 wrote to memory of 3036 2724 rundll32.exe 32 PID 2724 wrote to memory of 3036 2724 rundll32.exe 32 PID 2724 wrote to memory of 3036 2724 rundll32.exe 32 PID 2724 wrote to memory of 3036 2724 rundll32.exe 32 PID 2724 wrote to memory of 3036 2724 rundll32.exe 32 PID 2724 wrote to memory of 3036 2724 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:3036
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C:\Windows\system32\rundll32.exerundll32.exe C:\Users\Admin\AppData\Local\Temp\1f215902ee247f1d9f5fd5c2d64f5e37d9963bbadb50d21535aa666a61e8ae21.dll,#11⤵
- Suspicious use of WriteProcessMemory
PID:3024 -
C:\Windows\SysWOW64\rundll32.exerundll32.exe C:\Users\Admin\AppData\Local\Temp\1f215902ee247f1d9f5fd5c2d64f5e37d9963bbadb50d21535aa666a61e8ae21.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:2724
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