Analysis
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max time kernel
150s -
max time network
150s -
platform
windows10-2004_x64 -
resource
win10v2004-20240802-en -
resource tags
arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system -
submitted
18-08-2024 05:42
Behavioral task
behavioral1
Sample
81192f92f52f5e295996b3b1684d0438bbcded9266565861873a876d7e1ecaea.dll
Resource
win7-20240729-en
windows7-x64
6 signatures
150 seconds
General
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Target
81192f92f52f5e295996b3b1684d0438bbcded9266565861873a876d7e1ecaea.dll
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Size
437KB
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MD5
5627250c705ca4851d0e7ad43215e234
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SHA1
01b1f79e4ee558f006ea6c2d4243158c3e7d51b0
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SHA256
81192f92f52f5e295996b3b1684d0438bbcded9266565861873a876d7e1ecaea
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SHA512
19b2163568026a3430b3ea8107829d7572a81a4b9209e22f5d006932a5223ef17ce313b8a7af4b44e0e2a49eb4f27777338a596397c0169ba2f8597cfc7f4a88
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SSDEEP
6144:bas0ZLc/IJvCklIqA8mvHwgnHJp9OWqw7zsK0bencTpX4KtjY5Jt/lt0zwzOu6W4:gBFJqk2q1g5ppemr0bAKoNfnQCSWpoSi
Malware Config
Signatures
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resource yara_rule behavioral2/memory/2484-12-0x0000000010000000-0x00000000101A0000-memory.dmp purplefox_rootkit behavioral2/memory/2484-13-0x0000000010000000-0x00000000101A0000-memory.dmp purplefox_rootkit -
Gh0st RAT payload 2 IoCs
resource yara_rule behavioral2/memory/2484-12-0x0000000010000000-0x00000000101A0000-memory.dmp family_gh0strat behavioral2/memory/2484-13-0x0000000010000000-0x00000000101A0000-memory.dmp family_gh0strat -
Suspicious use of NtCreateUserProcessOtherParentProcess 2 IoCs
description pid Process procid_target PID 3384 created 612 3384 rundll32.exe 5 PID 3384 created 612 3384 rundll32.exe 5 -
resource yara_rule behavioral2/memory/3384-0-0x0000000010000000-0x00000000100A6000-memory.dmp upx behavioral2/memory/2484-2-0x0000000000400000-0x0000000000543000-memory.dmp upx behavioral2/memory/2484-1-0x0000000000400000-0x0000000000543000-memory.dmp upx behavioral2/memory/2484-9-0x0000000000400000-0x0000000000543000-memory.dmp upx behavioral2/memory/2484-8-0x0000000000400000-0x0000000000543000-memory.dmp upx behavioral2/memory/2484-7-0x0000000000400000-0x0000000000543000-memory.dmp upx behavioral2/memory/2484-4-0x0000000000400000-0x0000000000543000-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) \??\J: svchost.exe File opened (read-only) \??\V: svchost.exe File opened (read-only) \??\I: 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) \??\U: svchost.exe File opened (read-only) \??\W: svchost.exe File opened (read-only) \??\X: svchost.exe File opened (read-only) \??\O: svchost.exe File opened (read-only) \??\E: svchost.exe File opened (read-only) \??\G: svchost.exe File opened (read-only) \??\K: svchost.exe File opened (read-only) \??\T: svchost.exe File opened (read-only) \??\B: svchost.exe File opened (read-only) \??\L: svchost.exe File opened (read-only) \??\M: svchost.exe File opened (read-only) \??\N: svchost.exe File opened (read-only) \??\R: svchost.exe File opened (read-only) \??\Y: svchost.exe File opened (read-only) \??\Z: svchost.exe File opened (read-only) \??\H: svchost.exe -
Suspicious use of SetThreadContext 1 IoCs
description pid Process procid_target PID 3384 set thread context of 2484 3384 rundll32.exe 85 -
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 5 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\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 -
Suspicious behavior: EnumeratesProcesses 64 IoCs
pid Process 3384 rundll32.exe 3384 rundll32.exe 3384 rundll32.exe 3384 rundll32.exe 2484 svchost.exe 2484 svchost.exe 2484 svchost.exe 2484 svchost.exe 2484 svchost.exe 2484 svchost.exe 2484 svchost.exe 2484 svchost.exe 2484 svchost.exe 2484 svchost.exe 2484 svchost.exe 2484 svchost.exe 2484 svchost.exe 2484 svchost.exe 2484 svchost.exe 2484 svchost.exe 2484 svchost.exe 2484 svchost.exe 2484 svchost.exe 2484 svchost.exe 2484 svchost.exe 2484 svchost.exe 2484 svchost.exe 2484 svchost.exe 2484 svchost.exe 2484 svchost.exe 2484 svchost.exe 2484 svchost.exe 2484 svchost.exe 2484 svchost.exe 2484 svchost.exe 2484 svchost.exe 2484 svchost.exe 2484 svchost.exe 2484 svchost.exe 2484 svchost.exe 2484 svchost.exe 2484 svchost.exe 2484 svchost.exe 2484 svchost.exe 2484 svchost.exe 2484 svchost.exe 2484 svchost.exe 2484 svchost.exe 2484 svchost.exe 2484 svchost.exe 2484 svchost.exe 2484 svchost.exe 2484 svchost.exe 2484 svchost.exe 2484 svchost.exe 2484 svchost.exe 2484 svchost.exe 2484 svchost.exe 2484 svchost.exe 2484 svchost.exe 2484 svchost.exe 2484 svchost.exe 2484 svchost.exe 2484 svchost.exe -
Suspicious use of AdjustPrivilegeToken 6 IoCs
description pid Process Token: SeDebugPrivilege 3384 rundll32.exe Token: SeDebugPrivilege 3384 rundll32.exe Token: 33 2484 svchost.exe Token: SeIncBasePriorityPrivilege 2484 svchost.exe Token: 33 2484 svchost.exe Token: SeIncBasePriorityPrivilege 2484 svchost.exe -
Suspicious use of WriteProcessMemory 14 IoCs
description pid Process procid_target PID 3716 wrote to memory of 3384 3716 rundll32.exe 84 PID 3716 wrote to memory of 3384 3716 rundll32.exe 84 PID 3716 wrote to memory of 3384 3716 rundll32.exe 84 PID 3384 wrote to memory of 2484 3384 rundll32.exe 85 PID 3384 wrote to memory of 2484 3384 rundll32.exe 85 PID 3384 wrote to memory of 2484 3384 rundll32.exe 85 PID 3384 wrote to memory of 2484 3384 rundll32.exe 85 PID 3384 wrote to memory of 2484 3384 rundll32.exe 85 PID 3384 wrote to memory of 2484 3384 rundll32.exe 85 PID 3384 wrote to memory of 2484 3384 rundll32.exe 85 PID 3384 wrote to memory of 2484 3384 rundll32.exe 85 PID 3384 wrote to memory of 884 3384 rundll32.exe 86 PID 3384 wrote to memory of 884 3384 rundll32.exe 86 PID 3384 wrote to memory of 884 3384 rundll32.exe 86
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:2484
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C:\Windows\SysWOW64\svchost.exeC:\Windows\system32\svchost.exe -k LocalServiceNetworkRestricted2⤵PID:884
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C:\Windows\system32\rundll32.exerundll32.exe C:\Users\Admin\AppData\Local\Temp\81192f92f52f5e295996b3b1684d0438bbcded9266565861873a876d7e1ecaea.dll,#11⤵
- Suspicious use of WriteProcessMemory
PID:3716 -
C:\Windows\SysWOW64\rundll32.exerundll32.exe C:\Users\Admin\AppData\Local\Temp\81192f92f52f5e295996b3b1684d0438bbcded9266565861873a876d7e1ecaea.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:3384
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