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
09-09-2024 18:29
Behavioral task
behavioral1
Sample
4b06464a9af8e1ec4a5cf10182b3a1f6e18b8c1464634c6f1102ed19489d1305.dll
Resource
win7-20240903-en
windows7-x64
14 signatures
150 seconds
General
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Target
4b06464a9af8e1ec4a5cf10182b3a1f6e18b8c1464634c6f1102ed19489d1305.dll
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Size
437KB
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MD5
d237f83486161574230fd9de77060230
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SHA1
f0426266005c9677b2b721d5ef35efd4fb5aacf1
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SHA256
4b06464a9af8e1ec4a5cf10182b3a1f6e18b8c1464634c6f1102ed19489d1305
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SHA512
316f2848748e7ad4a71ec7b7b1e3e3650106ab778250b7d7784029c60aebdd350d7fcd2f0af2e3517bd1557f0794885713757bb735f8f4ca68b4c34191d47206
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SSDEEP
6144:bas0ZLc/IJvCklIqA8mvHwgnHJp9OWqw7zsK0bencTpX4KtjY5Jt/lt0zwzOu6WS:gBFJqk2q1g5ppemr0bAKoNfnQCSWpoSI
Malware Config
Signatures
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resource yara_rule behavioral1/memory/320-21-0x0000000010000000-0x00000000101A0000-memory.dmp purplefox_rootkit behavioral1/memory/320-23-0x0000000010000000-0x00000000101A0000-memory.dmp purplefox_rootkit behavioral1/memory/320-38-0x0000000000400000-0x0000000000543000-memory.dmp purplefox_rootkit -
Gh0st RAT payload 3 IoCs
resource yara_rule behavioral1/memory/320-21-0x0000000010000000-0x00000000101A0000-memory.dmp family_gh0strat behavioral1/memory/320-23-0x0000000010000000-0x00000000101A0000-memory.dmp family_gh0strat behavioral1/memory/320-38-0x0000000000400000-0x0000000000543000-memory.dmp family_gh0strat -
Suspicious use of NtCreateUserProcessOtherParentProcess 1 IoCs
description pid Process procid_target PID 600 created 432 600 rundll32.exe 5 -
resource yara_rule behavioral1/memory/600-0-0x0000000010000000-0x00000000100A6000-memory.dmp upx behavioral1/memory/600-2-0x0000000010000000-0x00000000100A6000-memory.dmp upx behavioral1/memory/600-1-0x0000000010000000-0x00000000100A6000-memory.dmp upx behavioral1/memory/320-5-0x0000000000400000-0x0000000000543000-memory.dmp upx behavioral1/memory/320-20-0x0000000000400000-0x0000000000543000-memory.dmp upx behavioral1/memory/320-19-0x0000000000400000-0x0000000000543000-memory.dmp upx behavioral1/memory/320-17-0x0000000000400000-0x0000000000543000-memory.dmp upx behavioral1/memory/320-11-0x0000000000400000-0x0000000000543000-memory.dmp upx behavioral1/memory/320-8-0x0000000000400000-0x0000000000543000-memory.dmp upx behavioral1/memory/320-18-0x0000000000400000-0x0000000000543000-memory.dmp upx behavioral1/memory/320-38-0x0000000000400000-0x0000000000543000-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) \??\M: svchost.exe File opened (read-only) \??\O: svchost.exe File opened (read-only) \??\S: svchost.exe File opened (read-only) \??\W: svchost.exe File opened (read-only) \??\G: svchost.exe File opened (read-only) \??\K: svchost.exe File opened (read-only) \??\N: svchost.exe File opened (read-only) \??\T: svchost.exe File opened (read-only) \??\Z: svchost.exe File opened (read-only) \??\B: svchost.exe File opened (read-only) \??\E: svchost.exe File opened (read-only) \??\I: svchost.exe File opened (read-only) \??\R: svchost.exe File opened (read-only) \??\V: svchost.exe File opened (read-only) \??\J: svchost.exe File opened (read-only) \??\L: svchost.exe File opened (read-only) \??\P: svchost.exe File opened (read-only) \??\Q: svchost.exe File opened (read-only) \??\U: svchost.exe File opened (read-only) \??\X: svchost.exe File opened (read-only) \??\Y: svchost.exe -
Suspicious use of SetThreadContext 1 IoCs
description pid Process procid_target PID 600 set thread context of 320 600 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 Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\ActiveMovie\devenum 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\Windows\CurrentVersion\Internet Settings 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 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\SavedLegacySettings = 4600000002000000090000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000 svchost.exe -
Suspicious behavior: EnumeratesProcesses 64 IoCs
pid Process 600 rundll32.exe 320 svchost.exe 320 svchost.exe 320 svchost.exe 320 svchost.exe 320 svchost.exe 320 svchost.exe 320 svchost.exe 320 svchost.exe 320 svchost.exe 320 svchost.exe 320 svchost.exe 320 svchost.exe 320 svchost.exe 320 svchost.exe 320 svchost.exe 320 svchost.exe 320 svchost.exe 320 svchost.exe 320 svchost.exe 320 svchost.exe 320 svchost.exe 320 svchost.exe 320 svchost.exe 320 svchost.exe 320 svchost.exe 320 svchost.exe 320 svchost.exe 320 svchost.exe 320 svchost.exe 320 svchost.exe 320 svchost.exe 320 svchost.exe 320 svchost.exe 320 svchost.exe 320 svchost.exe 320 svchost.exe 320 svchost.exe 320 svchost.exe 320 svchost.exe 320 svchost.exe 320 svchost.exe 320 svchost.exe 320 svchost.exe 320 svchost.exe 320 svchost.exe 320 svchost.exe 320 svchost.exe 320 svchost.exe 320 svchost.exe 320 svchost.exe 320 svchost.exe 320 svchost.exe 320 svchost.exe 320 svchost.exe 320 svchost.exe 320 svchost.exe 320 svchost.exe 320 svchost.exe 320 svchost.exe 320 svchost.exe 320 svchost.exe 320 svchost.exe 320 svchost.exe -
Suspicious use of AdjustPrivilegeToken 5 IoCs
description pid Process Token: SeDebugPrivilege 600 rundll32.exe Token: 33 320 svchost.exe Token: SeIncBasePriorityPrivilege 320 svchost.exe Token: 33 320 svchost.exe Token: SeIncBasePriorityPrivilege 320 svchost.exe -
Suspicious use of WriteProcessMemory 15 IoCs
description pid Process procid_target PID 1924 wrote to memory of 600 1924 rundll32.exe 30 PID 1924 wrote to memory of 600 1924 rundll32.exe 30 PID 1924 wrote to memory of 600 1924 rundll32.exe 30 PID 1924 wrote to memory of 600 1924 rundll32.exe 30 PID 1924 wrote to memory of 600 1924 rundll32.exe 30 PID 1924 wrote to memory of 600 1924 rundll32.exe 30 PID 1924 wrote to memory of 600 1924 rundll32.exe 30 PID 600 wrote to memory of 320 600 rundll32.exe 31 PID 600 wrote to memory of 320 600 rundll32.exe 31 PID 600 wrote to memory of 320 600 rundll32.exe 31 PID 600 wrote to memory of 320 600 rundll32.exe 31 PID 600 wrote to memory of 320 600 rundll32.exe 31 PID 600 wrote to memory of 320 600 rundll32.exe 31 PID 600 wrote to memory of 320 600 rundll32.exe 31 PID 600 wrote to memory of 320 600 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:320
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C:\Windows\system32\rundll32.exerundll32.exe C:\Users\Admin\AppData\Local\Temp\4b06464a9af8e1ec4a5cf10182b3a1f6e18b8c1464634c6f1102ed19489d1305.dll,#11⤵
- Suspicious use of WriteProcessMemory
PID:1924 -
C:\Windows\SysWOW64\rundll32.exerundll32.exe C:\Users\Admin\AppData\Local\Temp\4b06464a9af8e1ec4a5cf10182b3a1f6e18b8c1464634c6f1102ed19489d1305.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:600
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