Analysis
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max time kernel
120s -
max time network
99s -
platform
windows10-2004_x64 -
resource
win10v2004-20240802-en -
resource tags
arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system -
submitted
09-09-2024 19:22
Behavioral task
behavioral1
Sample
d237f83486161574230fd9de77060230N.dll
Resource
win7-20240903-en
General
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Target
d237f83486161574230fd9de77060230N.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 behavioral2/memory/752-12-0x0000000010000000-0x00000000101A0000-memory.dmp purplefox_rootkit behavioral2/memory/752-13-0x0000000010000000-0x00000000101A0000-memory.dmp purplefox_rootkit -
Gh0st RAT payload 2 IoCs
resource yara_rule behavioral2/memory/752-12-0x0000000010000000-0x00000000101A0000-memory.dmp family_gh0strat behavioral2/memory/752-13-0x0000000010000000-0x00000000101A0000-memory.dmp family_gh0strat -
Suspicious use of NtCreateUserProcessOtherParentProcess 1 IoCs
description pid Process procid_target PID 1032 created 612 1032 rundll32.exe 5 -
resource yara_rule behavioral2/memory/1032-0-0x0000000010000000-0x00000000100A6000-memory.dmp upx behavioral2/memory/752-1-0x0000000000400000-0x0000000000543000-memory.dmp upx behavioral2/memory/752-3-0x0000000000400000-0x0000000000543000-memory.dmp upx behavioral2/memory/752-9-0x0000000000400000-0x0000000000543000-memory.dmp upx behavioral2/memory/752-8-0x0000000000400000-0x0000000000543000-memory.dmp upx behavioral2/memory/752-7-0x0000000000400000-0x0000000000543000-memory.dmp upx behavioral2/memory/752-2-0x0000000000400000-0x0000000000543000-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) \??\L: svchost.exe File opened (read-only) \??\P: svchost.exe File opened (read-only) \??\R: svchost.exe File opened (read-only) \??\B: svchost.exe File opened (read-only) \??\I: svchost.exe File opened (read-only) \??\J: svchost.exe File opened (read-only) \??\M: svchost.exe File opened (read-only) \??\Q: svchost.exe File opened (read-only) \??\Z: svchost.exe File opened (read-only) \??\E: svchost.exe File opened (read-only) \??\S: svchost.exe File opened (read-only) \??\W: svchost.exe File opened (read-only) \??\X: svchost.exe File opened (read-only) \??\Y: svchost.exe File opened (read-only) \??\G: 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) \??\U: svchost.exe File opened (read-only) \??\V: svchost.exe File opened (read-only) \??\K: svchost.exe -
Suspicious use of SetThreadContext 1 IoCs
description pid Process procid_target PID 1032 set thread context of 752 1032 rundll32.exe 84 -
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 5 IoCs
description ioc Process 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\ActiveMovie svchost.exe Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\ActiveMovie\devenum\Version = "7" svchost.exe -
Suspicious behavior: EnumeratesProcesses 64 IoCs
pid Process 1032 rundll32.exe 1032 rundll32.exe 1032 rundll32.exe 1032 rundll32.exe 752 svchost.exe 752 svchost.exe 752 svchost.exe 752 svchost.exe 752 svchost.exe 752 svchost.exe 752 svchost.exe 752 svchost.exe 752 svchost.exe 752 svchost.exe 752 svchost.exe 752 svchost.exe 752 svchost.exe 752 svchost.exe 752 svchost.exe 752 svchost.exe 752 svchost.exe 752 svchost.exe 752 svchost.exe 752 svchost.exe 752 svchost.exe 752 svchost.exe 752 svchost.exe 752 svchost.exe 752 svchost.exe 752 svchost.exe 752 svchost.exe 752 svchost.exe 752 svchost.exe 752 svchost.exe 752 svchost.exe 752 svchost.exe 752 svchost.exe 752 svchost.exe 752 svchost.exe 752 svchost.exe 752 svchost.exe 752 svchost.exe 752 svchost.exe 752 svchost.exe 752 svchost.exe 752 svchost.exe 752 svchost.exe 752 svchost.exe 752 svchost.exe 752 svchost.exe 752 svchost.exe 752 svchost.exe 752 svchost.exe 752 svchost.exe 752 svchost.exe 752 svchost.exe 752 svchost.exe 752 svchost.exe 752 svchost.exe 752 svchost.exe 752 svchost.exe 752 svchost.exe 752 svchost.exe 752 svchost.exe -
Suspicious use of AdjustPrivilegeToken 3 IoCs
description pid Process Token: SeDebugPrivilege 1032 rundll32.exe Token: 33 752 svchost.exe Token: SeIncBasePriorityPrivilege 752 svchost.exe -
Suspicious use of WriteProcessMemory 11 IoCs
description pid Process procid_target PID 4312 wrote to memory of 1032 4312 rundll32.exe 83 PID 4312 wrote to memory of 1032 4312 rundll32.exe 83 PID 4312 wrote to memory of 1032 4312 rundll32.exe 83 PID 1032 wrote to memory of 752 1032 rundll32.exe 84 PID 1032 wrote to memory of 752 1032 rundll32.exe 84 PID 1032 wrote to memory of 752 1032 rundll32.exe 84 PID 1032 wrote to memory of 752 1032 rundll32.exe 84 PID 1032 wrote to memory of 752 1032 rundll32.exe 84 PID 1032 wrote to memory of 752 1032 rundll32.exe 84 PID 1032 wrote to memory of 752 1032 rundll32.exe 84 PID 1032 wrote to memory of 752 1032 rundll32.exe 84
Processes
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C:\Windows\system32\winlogon.exewinlogon.exe1⤵PID:612
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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:752
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C:\Windows\system32\rundll32.exerundll32.exe C:\Users\Admin\AppData\Local\Temp\d237f83486161574230fd9de77060230N.dll,#11⤵
- Suspicious use of WriteProcessMemory
PID:4312 -
C:\Windows\SysWOW64\rundll32.exerundll32.exe C:\Users\Admin\AppData\Local\Temp\d237f83486161574230fd9de77060230N.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:1032
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