Analysis
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max time kernel
150s -
max time network
95s -
platform
windows7_x64 -
resource
win7-20240704-en -
resource tags
arch:x64arch:x86image:win7-20240704-enlocale:en-usos:windows7-x64system -
submitted
18-08-2024 05:45
Behavioral task
behavioral1
Sample
a494a9258d9191755ed361bcd2ff47f0fba5ae1686d6ef824a0d7f4331d9ec65.dll
Resource
win7-20240704-en
windows7-x64
14 signatures
150 seconds
General
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Target
a494a9258d9191755ed361bcd2ff47f0fba5ae1686d6ef824a0d7f4331d9ec65.dll
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Size
437KB
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MD5
d258d17817131a5cba5041813cda306d
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SHA1
ae2baa457a2814a12f32bcaea16c6c8dd4460166
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SHA256
a494a9258d9191755ed361bcd2ff47f0fba5ae1686d6ef824a0d7f4331d9ec65
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SHA512
69ae2e100a53456a3881e10e723a4ce842a00ad9e601bd3964b1366f0a33d9fbe919a6733808b0413e1e72201226c04196755fe36906cec7da51e7985fbe4f8c
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SSDEEP
6144:bas0ZLc/IJvCklIqA8mvHwgnHJp9OWqw7zsK0bencTpX4KtjY5Jt/lt0zwzOu6Wc:gBFJqk2q1g5ppemr0bAKoNfnQCSWpoSG
Malware Config
Signatures
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resource yara_rule behavioral1/memory/2132-19-0x0000000010000000-0x00000000101A0000-memory.dmp purplefox_rootkit behavioral1/memory/2132-22-0x0000000010000000-0x00000000101A0000-memory.dmp purplefox_rootkit -
Gh0st RAT payload 2 IoCs
resource yara_rule behavioral1/memory/2132-19-0x0000000010000000-0x00000000101A0000-memory.dmp family_gh0strat behavioral1/memory/2132-22-0x0000000010000000-0x00000000101A0000-memory.dmp family_gh0strat -
Suspicious use of NtCreateUserProcessOtherParentProcess 1 IoCs
description pid Process procid_target PID 2344 created 408 2344 rundll32.exe 5 -
resource yara_rule behavioral1/memory/2344-2-0x0000000010000000-0x00000000100A6000-memory.dmp upx behavioral1/memory/2344-3-0x0000000010000000-0x00000000100A6000-memory.dmp upx behavioral1/memory/2344-1-0x0000000010000000-0x00000000100A6000-memory.dmp upx behavioral1/memory/2132-10-0x0000000000400000-0x0000000000543000-memory.dmp upx behavioral1/memory/2132-16-0x0000000000400000-0x0000000000543000-memory.dmp upx behavioral1/memory/2132-18-0x0000000000400000-0x0000000000543000-memory.dmp upx behavioral1/memory/2132-7-0x0000000000400000-0x0000000000543000-memory.dmp upx behavioral1/memory/2132-5-0x0000000000400000-0x0000000000543000-memory.dmp upx behavioral1/memory/2132-17-0x0000000000400000-0x0000000000543000-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) \??\E: 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) \??\H: svchost.exe File opened (read-only) \??\I: svchost.exe File opened (read-only) \??\K: svchost.exe File opened (read-only) \??\M: svchost.exe File opened (read-only) \??\R: svchost.exe File opened (read-only) \??\U: svchost.exe File opened (read-only) \??\V: svchost.exe File opened (read-only) \??\Z: svchost.exe File opened (read-only) \??\G: svchost.exe File opened (read-only) \??\P: svchost.exe File opened (read-only) \??\Y: svchost.exe File opened (read-only) \??\B: svchost.exe File opened (read-only) \??\J: svchost.exe File opened (read-only) \??\L: svchost.exe File opened (read-only) \??\N: svchost.exe File opened (read-only) \??\O: svchost.exe File opened (read-only) \??\T: svchost.exe File opened (read-only) \??\W: svchost.exe -
Suspicious use of SetThreadContext 1 IoCs
description pid Process procid_target PID 2344 set thread context of 2132 2344 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 11 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 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\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 Key created \REGISTRY\USER\.DEFAULT\Software svchost.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\ActiveMovie svchost.exe -
Suspicious behavior: EnumeratesProcesses 64 IoCs
pid Process 2344 rundll32.exe 2132 svchost.exe 2132 svchost.exe 2132 svchost.exe 2132 svchost.exe 2132 svchost.exe 2132 svchost.exe 2132 svchost.exe 2132 svchost.exe 2132 svchost.exe 2132 svchost.exe 2132 svchost.exe 2132 svchost.exe 2132 svchost.exe 2132 svchost.exe 2132 svchost.exe 2132 svchost.exe 2132 svchost.exe 2132 svchost.exe 2132 svchost.exe 2132 svchost.exe 2132 svchost.exe 2132 svchost.exe 2132 svchost.exe 2132 svchost.exe 2132 svchost.exe 2132 svchost.exe 2132 svchost.exe 2132 svchost.exe 2132 svchost.exe 2132 svchost.exe 2132 svchost.exe 2132 svchost.exe 2132 svchost.exe 2132 svchost.exe 2132 svchost.exe 2132 svchost.exe 2132 svchost.exe 2132 svchost.exe 2132 svchost.exe 2132 svchost.exe 2132 svchost.exe 2132 svchost.exe 2132 svchost.exe 2132 svchost.exe 2132 svchost.exe 2132 svchost.exe 2132 svchost.exe 2132 svchost.exe 2132 svchost.exe 2132 svchost.exe 2132 svchost.exe 2132 svchost.exe 2132 svchost.exe 2132 svchost.exe 2132 svchost.exe 2132 svchost.exe 2132 svchost.exe 2132 svchost.exe 2132 svchost.exe 2132 svchost.exe 2132 svchost.exe 2132 svchost.exe 2132 svchost.exe -
Suspicious use of AdjustPrivilegeToken 5 IoCs
description pid Process Token: SeDebugPrivilege 2344 rundll32.exe Token: 33 2132 svchost.exe Token: SeIncBasePriorityPrivilege 2132 svchost.exe Token: 33 2132 svchost.exe Token: SeIncBasePriorityPrivilege 2132 svchost.exe -
Suspicious use of WriteProcessMemory 15 IoCs
description pid Process procid_target PID 2936 wrote to memory of 2344 2936 rundll32.exe 30 PID 2936 wrote to memory of 2344 2936 rundll32.exe 30 PID 2936 wrote to memory of 2344 2936 rundll32.exe 30 PID 2936 wrote to memory of 2344 2936 rundll32.exe 30 PID 2936 wrote to memory of 2344 2936 rundll32.exe 30 PID 2936 wrote to memory of 2344 2936 rundll32.exe 30 PID 2936 wrote to memory of 2344 2936 rundll32.exe 30 PID 2344 wrote to memory of 2132 2344 rundll32.exe 31 PID 2344 wrote to memory of 2132 2344 rundll32.exe 31 PID 2344 wrote to memory of 2132 2344 rundll32.exe 31 PID 2344 wrote to memory of 2132 2344 rundll32.exe 31 PID 2344 wrote to memory of 2132 2344 rundll32.exe 31 PID 2344 wrote to memory of 2132 2344 rundll32.exe 31 PID 2344 wrote to memory of 2132 2344 rundll32.exe 31 PID 2344 wrote to memory of 2132 2344 rundll32.exe 31
Processes
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C:\Windows\system32\winlogon.exewinlogon.exe1⤵PID:408
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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:2132
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C:\Windows\system32\rundll32.exerundll32.exe C:\Users\Admin\AppData\Local\Temp\a494a9258d9191755ed361bcd2ff47f0fba5ae1686d6ef824a0d7f4331d9ec65.dll,#11⤵
- Suspicious use of WriteProcessMemory
PID:2936 -
C:\Windows\SysWOW64\rundll32.exerundll32.exe C:\Users\Admin\AppData\Local\Temp\a494a9258d9191755ed361bcd2ff47f0fba5ae1686d6ef824a0d7f4331d9ec65.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:2344
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