Analysis
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max time kernel
150s -
max time network
139s -
platform
windows10-2004_x64 -
resource
win10v2004-20240802-en -
resource tags
arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system -
submitted
11-09-2024 07:08
Behavioral task
behavioral1
Sample
b7b27bb86a167784e1b3b63ecc9402cfc6861bb913f18125b65bb0d9e0d5cab4.dll
Resource
win7-20240903-en
General
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Target
b7b27bb86a167784e1b3b63ecc9402cfc6861bb913f18125b65bb0d9e0d5cab4.dll
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Size
437KB
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MD5
9d080dee1132246ce6c974eaa14f3adf
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SHA1
4ddfb415820fdf1725e9ab7d46965ec9c80d7345
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SHA256
b7b27bb86a167784e1b3b63ecc9402cfc6861bb913f18125b65bb0d9e0d5cab4
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SHA512
be2de09862e9a4f83bb746fd616e20d22a2004fecc56b81e5e9fd01d32c4ea777c55695f82633ac532d9a43408813c8c9276bf6135c73bee55864ae47bc874a0
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SSDEEP
6144:bas0ZLc/IJvCklIqA8mvHwgnHJp9OWqw7zsK0bencTpX4KtjY5Jt/lt0zwzOu6Wi:gBFJqk2q1g5ppemr0bAKoNfnQCSWpoS4
Malware Config
Signatures
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resource yara_rule behavioral2/memory/4764-22-0x0000000010000000-0x00000000101A0000-memory.dmp purplefox_rootkit behavioral2/memory/4852-25-0x0000000010000000-0x00000000101A0000-memory.dmp purplefox_rootkit -
Gh0st RAT payload 2 IoCs
resource yara_rule behavioral2/memory/4764-22-0x0000000010000000-0x00000000101A0000-memory.dmp family_gh0strat behavioral2/memory/4852-25-0x0000000010000000-0x00000000101A0000-memory.dmp family_gh0strat -
Suspicious use of NtCreateUserProcessOtherParentProcess 2 IoCs
description pid Process procid_target PID 3440 created 616 3440 rundll32.exe 5 PID 3440 created 616 3440 rundll32.exe 5 -
resource yara_rule behavioral2/memory/3440-0-0x0000000010000000-0x00000000100A6000-memory.dmp upx behavioral2/memory/4764-2-0x0000000000400000-0x0000000000543000-memory.dmp upx behavioral2/memory/4764-8-0x0000000000400000-0x0000000000543000-memory.dmp upx behavioral2/memory/4764-7-0x0000000000400000-0x0000000000543000-memory.dmp upx behavioral2/memory/4764-9-0x0000000000400000-0x0000000000543000-memory.dmp upx behavioral2/memory/4764-3-0x0000000000400000-0x0000000000543000-memory.dmp upx behavioral2/memory/4764-1-0x0000000000400000-0x0000000000543000-memory.dmp upx -
Enumerates connected drives 3 TTPs 44 IoCs
Attempts to read the root path of hard drives other than the default C: drive.
description ioc Process File opened (read-only) \??\G: svchost.exe File opened (read-only) \??\M: svchost.exe File opened (read-only) \??\W: svchost.exe File opened (read-only) \??\B: svchost.exe File opened (read-only) \??\K: svchost.exe File opened (read-only) \??\R: svchost.exe File opened (read-only) \??\Z: svchost.exe File opened (read-only) \??\T: svchost.exe File opened (read-only) \??\V: svchost.exe File opened (read-only) \??\G: svchost.exe File opened (read-only) \??\H: svchost.exe File opened (read-only) \??\Q: svchost.exe File opened (read-only) \??\S: svchost.exe File opened (read-only) \??\W: svchost.exe File opened (read-only) \??\R: svchost.exe File opened (read-only) \??\U: svchost.exe File opened (read-only) \??\Z: svchost.exe File opened (read-only) \??\N: svchost.exe File opened (read-only) \??\O: svchost.exe File opened (read-only) \??\V: 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) \??\N: svchost.exe File opened (read-only) \??\S: svchost.exe File opened (read-only) \??\H: svchost.exe File opened (read-only) \??\L: svchost.exe File opened (read-only) \??\X: svchost.exe File opened (read-only) \??\E: svchost.exe File opened (read-only) \??\J: svchost.exe File opened (read-only) \??\X: svchost.exe File opened (read-only) \??\K: svchost.exe File opened (read-only) \??\P: svchost.exe File opened (read-only) \??\T: svchost.exe File opened (read-only) \??\E: svchost.exe File opened (read-only) \??\O: svchost.exe File opened (read-only) \??\Q: svchost.exe File opened (read-only) \??\Y: svchost.exe File opened (read-only) \??\M: svchost.exe File opened (read-only) \??\P: svchost.exe File opened (read-only) \??\I: svchost.exe File opened (read-only) \??\I: svchost.exe File opened (read-only) \??\L: svchost.exe File opened (read-only) \??\U: svchost.exe -
Suspicious use of SetThreadContext 2 IoCs
description pid Process procid_target PID 3440 set thread context of 4764 3440 rundll32.exe 87 PID 3440 set thread context of 4852 3440 rundll32.exe 88 -
System Location Discovery: System Language Discovery 1 TTPs 3 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 Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language svchost.exe -
Checks processor information in registry 2 TTPs 4 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 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 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 3440 rundll32.exe 3440 rundll32.exe 3440 rundll32.exe 3440 rundll32.exe 4852 svchost.exe 4852 svchost.exe 4852 svchost.exe 4852 svchost.exe 4852 svchost.exe 4852 svchost.exe 4852 svchost.exe 4852 svchost.exe 4852 svchost.exe 4852 svchost.exe 4852 svchost.exe 4852 svchost.exe 4852 svchost.exe 4852 svchost.exe 4852 svchost.exe 4852 svchost.exe 4852 svchost.exe 4852 svchost.exe 4852 svchost.exe 4852 svchost.exe 4852 svchost.exe 4852 svchost.exe 4852 svchost.exe 4764 svchost.exe 4852 svchost.exe 4764 svchost.exe 4852 svchost.exe 4764 svchost.exe 4852 svchost.exe 4764 svchost.exe 4852 svchost.exe 4764 svchost.exe 4852 svchost.exe 4764 svchost.exe 4852 svchost.exe 4764 svchost.exe 4852 svchost.exe 4764 svchost.exe 4852 svchost.exe 4764 svchost.exe 4852 svchost.exe 4764 svchost.exe 4852 svchost.exe 4764 svchost.exe 4852 svchost.exe 4764 svchost.exe 4764 svchost.exe 4764 svchost.exe 4852 svchost.exe 4852 svchost.exe 4764 svchost.exe 4764 svchost.exe 4852 svchost.exe 4852 svchost.exe 4764 svchost.exe 4764 svchost.exe 4852 svchost.exe 4852 svchost.exe 4764 svchost.exe 4764 svchost.exe -
Suspicious use of AdjustPrivilegeToken 10 IoCs
description pid Process Token: SeDebugPrivilege 3440 rundll32.exe Token: SeDebugPrivilege 3440 rundll32.exe Token: 33 4852 svchost.exe Token: 33 4764 svchost.exe Token: SeIncBasePriorityPrivilege 4764 svchost.exe Token: SeIncBasePriorityPrivilege 4852 svchost.exe Token: 33 4764 svchost.exe Token: 33 4852 svchost.exe Token: SeIncBasePriorityPrivilege 4764 svchost.exe Token: SeIncBasePriorityPrivilege 4852 svchost.exe -
Suspicious use of WriteProcessMemory 19 IoCs
description pid Process procid_target PID 3512 wrote to memory of 3440 3512 rundll32.exe 85 PID 3512 wrote to memory of 3440 3512 rundll32.exe 85 PID 3512 wrote to memory of 3440 3512 rundll32.exe 85 PID 3440 wrote to memory of 4764 3440 rundll32.exe 87 PID 3440 wrote to memory of 4764 3440 rundll32.exe 87 PID 3440 wrote to memory of 4764 3440 rundll32.exe 87 PID 3440 wrote to memory of 4764 3440 rundll32.exe 87 PID 3440 wrote to memory of 4764 3440 rundll32.exe 87 PID 3440 wrote to memory of 4764 3440 rundll32.exe 87 PID 3440 wrote to memory of 4764 3440 rundll32.exe 87 PID 3440 wrote to memory of 4764 3440 rundll32.exe 87 PID 3440 wrote to memory of 4852 3440 rundll32.exe 88 PID 3440 wrote to memory of 4852 3440 rundll32.exe 88 PID 3440 wrote to memory of 4852 3440 rundll32.exe 88 PID 3440 wrote to memory of 4852 3440 rundll32.exe 88 PID 3440 wrote to memory of 4852 3440 rundll32.exe 88 PID 3440 wrote to memory of 4852 3440 rundll32.exe 88 PID 3440 wrote to memory of 4852 3440 rundll32.exe 88 PID 3440 wrote to memory of 4852 3440 rundll32.exe 88
Processes
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C:\Windows\system32\winlogon.exewinlogon.exe1⤵PID:616
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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
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:4764
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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:4852
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C:\Windows\system32\rundll32.exerundll32.exe C:\Users\Admin\AppData\Local\Temp\b7b27bb86a167784e1b3b63ecc9402cfc6861bb913f18125b65bb0d9e0d5cab4.dll,#11⤵
- Suspicious use of WriteProcessMemory
PID:3512 -
C:\Windows\SysWOW64\rundll32.exerundll32.exe C:\Users\Admin\AppData\Local\Temp\b7b27bb86a167784e1b3b63ecc9402cfc6861bb913f18125b65bb0d9e0d5cab4.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:3440
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