Analysis
-
max time kernel
150s -
max time network
126s -
platform
windows10-2004_x64 -
resource
win10v2004-20240802-en -
resource tags
arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system -
submitted
15-08-2024 08:48
Behavioral task
behavioral1
Sample
a83f57c8ea94b475bec2be5f5ac04496be61231d29eced2b77e1c7a5e1215857.dll
Resource
win7-20240704-en
windows7-x64
14 signatures
150 seconds
General
-
Target
a83f57c8ea94b475bec2be5f5ac04496be61231d29eced2b77e1c7a5e1215857.dll
-
Size
437KB
-
MD5
13343a059adf8e21074bc04690cd445c
-
SHA1
c175c7ec016e9246565e9c1e92bae42ebcc859f3
-
SHA256
a83f57c8ea94b475bec2be5f5ac04496be61231d29eced2b77e1c7a5e1215857
-
SHA512
fa94c9e4908bbf913bcce1088a789ea3e43c95d68f6e481c3ca0bf1f4de77c7443703ce76fe8ec884bdf86346399f8fa8d0e5b4471062f32cb52194b35670dad
-
SSDEEP
6144:bas0ZLc/IJvCklIqA8mvHwgnHJp9OWqw7zsK0bencTpX4KtjY5Jt/lt0zwzOu6W+:gBFJqk2q1g5ppemr0bAKoNfnQCSWpoSk
Malware Config
Signatures
-
resource yara_rule behavioral2/memory/4872-22-0x0000000010000000-0x00000000101A0000-memory.dmp purplefox_rootkit behavioral2/memory/2692-24-0x0000000010000000-0x00000000101A0000-memory.dmp purplefox_rootkit -
Gh0st RAT payload 2 IoCs
resource yara_rule behavioral2/memory/4872-22-0x0000000010000000-0x00000000101A0000-memory.dmp family_gh0strat behavioral2/memory/2692-24-0x0000000010000000-0x00000000101A0000-memory.dmp family_gh0strat -
Suspicious use of NtCreateUserProcessOtherParentProcess 2 IoCs
description pid Process procid_target PID 3300 created 632 3300 rundll32.exe 5 PID 3300 created 632 3300 rundll32.exe 5 -
resource yara_rule behavioral2/memory/3300-0-0x0000000010000000-0x00000000100A6000-memory.dmp upx behavioral2/memory/4872-1-0x0000000000400000-0x0000000000543000-memory.dmp upx behavioral2/memory/4872-2-0x0000000000400000-0x0000000000543000-memory.dmp upx behavioral2/memory/4872-9-0x0000000000400000-0x0000000000543000-memory.dmp upx behavioral2/memory/4872-7-0x0000000000400000-0x0000000000543000-memory.dmp upx behavioral2/memory/4872-3-0x0000000000400000-0x0000000000543000-memory.dmp upx behavioral2/memory/4872-8-0x0000000000400000-0x0000000000543000-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) \??\Z: svchost.exe File opened (read-only) \??\I: svchost.exe File opened (read-only) \??\K: svchost.exe File opened (read-only) \??\P: svchost.exe File opened (read-only) \??\K: svchost.exe File opened (read-only) \??\P: svchost.exe File opened (read-only) \??\Q: svchost.exe File opened (read-only) \??\V: svchost.exe File opened (read-only) \??\H: svchost.exe File opened (read-only) \??\M: svchost.exe File opened (read-only) \??\U: svchost.exe File opened (read-only) \??\N: svchost.exe File opened (read-only) \??\O: svchost.exe File opened (read-only) \??\U: svchost.exe File opened (read-only) \??\E: svchost.exe File opened (read-only) \??\L: 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) \??\G: svchost.exe File opened (read-only) \??\J: svchost.exe File opened (read-only) \??\W: svchost.exe File opened (read-only) \??\T: svchost.exe File opened (read-only) \??\Y: svchost.exe File opened (read-only) \??\G: svchost.exe File opened (read-only) \??\L: svchost.exe File opened (read-only) \??\M: svchost.exe File opened (read-only) \??\T: 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) \??\Q: svchost.exe File opened (read-only) \??\S: svchost.exe File opened (read-only) \??\X: svchost.exe File opened (read-only) \??\B: svchost.exe File opened (read-only) \??\S: svchost.exe File opened (read-only) \??\V: svchost.exe File opened (read-only) \??\B: svchost.exe File opened (read-only) \??\H: svchost.exe File opened (read-only) \??\R: svchost.exe File opened (read-only) \??\W: svchost.exe File opened (read-only) \??\I: svchost.exe File opened (read-only) \??\N: svchost.exe File opened (read-only) \??\O: svchost.exe -
Suspicious use of SetThreadContext 2 IoCs
description pid Process procid_target PID 3300 set thread context of 4872 3300 rundll32.exe 85 PID 3300 set thread context of 2692 3300 rundll32.exe 86 -
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 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 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 3300 rundll32.exe 3300 rundll32.exe 3300 rundll32.exe 3300 rundll32.exe 2692 svchost.exe 2692 svchost.exe 2692 svchost.exe 2692 svchost.exe 2692 svchost.exe 2692 svchost.exe 4872 svchost.exe 2692 svchost.exe 4872 svchost.exe 2692 svchost.exe 2692 svchost.exe 4872 svchost.exe 2692 svchost.exe 4872 svchost.exe 2692 svchost.exe 4872 svchost.exe 2692 svchost.exe 4872 svchost.exe 2692 svchost.exe 4872 svchost.exe 2692 svchost.exe 4872 svchost.exe 2692 svchost.exe 4872 svchost.exe 2692 svchost.exe 4872 svchost.exe 2692 svchost.exe 4872 svchost.exe 2692 svchost.exe 4872 svchost.exe 2692 svchost.exe 4872 svchost.exe 2692 svchost.exe 4872 svchost.exe 4872 svchost.exe 4872 svchost.exe 4872 svchost.exe 4872 svchost.exe 2692 svchost.exe 2692 svchost.exe 4872 svchost.exe 4872 svchost.exe 2692 svchost.exe 2692 svchost.exe 4872 svchost.exe 4872 svchost.exe 2692 svchost.exe 2692 svchost.exe 4872 svchost.exe 4872 svchost.exe 2692 svchost.exe 2692 svchost.exe 4872 svchost.exe 4872 svchost.exe 2692 svchost.exe 2692 svchost.exe 4872 svchost.exe 4872 svchost.exe 2692 svchost.exe 2692 svchost.exe -
Suspicious use of AdjustPrivilegeToken 10 IoCs
description pid Process Token: SeDebugPrivilege 3300 rundll32.exe Token: SeDebugPrivilege 3300 rundll32.exe Token: 33 4872 svchost.exe Token: 33 2692 svchost.exe Token: SeIncBasePriorityPrivilege 2692 svchost.exe Token: SeIncBasePriorityPrivilege 4872 svchost.exe Token: 33 4872 svchost.exe Token: 33 2692 svchost.exe Token: SeIncBasePriorityPrivilege 2692 svchost.exe Token: SeIncBasePriorityPrivilege 4872 svchost.exe -
Suspicious use of WriteProcessMemory 19 IoCs
description pid Process procid_target PID 3208 wrote to memory of 3300 3208 rundll32.exe 84 PID 3208 wrote to memory of 3300 3208 rundll32.exe 84 PID 3208 wrote to memory of 3300 3208 rundll32.exe 84 PID 3300 wrote to memory of 4872 3300 rundll32.exe 85 PID 3300 wrote to memory of 4872 3300 rundll32.exe 85 PID 3300 wrote to memory of 4872 3300 rundll32.exe 85 PID 3300 wrote to memory of 4872 3300 rundll32.exe 85 PID 3300 wrote to memory of 4872 3300 rundll32.exe 85 PID 3300 wrote to memory of 4872 3300 rundll32.exe 85 PID 3300 wrote to memory of 4872 3300 rundll32.exe 85 PID 3300 wrote to memory of 4872 3300 rundll32.exe 85 PID 3300 wrote to memory of 2692 3300 rundll32.exe 86 PID 3300 wrote to memory of 2692 3300 rundll32.exe 86 PID 3300 wrote to memory of 2692 3300 rundll32.exe 86 PID 3300 wrote to memory of 2692 3300 rundll32.exe 86 PID 3300 wrote to memory of 2692 3300 rundll32.exe 86 PID 3300 wrote to memory of 2692 3300 rundll32.exe 86 PID 3300 wrote to memory of 2692 3300 rundll32.exe 86 PID 3300 wrote to memory of 2692 3300 rundll32.exe 86
Processes
-
C:\Windows\system32\winlogon.exewinlogon.exe1⤵PID:632
-
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:4872
-
-
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:2692
-
-
C:\Windows\system32\rundll32.exerundll32.exe C:\Users\Admin\AppData\Local\Temp\a83f57c8ea94b475bec2be5f5ac04496be61231d29eced2b77e1c7a5e1215857.dll,#11⤵
- Suspicious use of WriteProcessMemory
PID:3208 -
C:\Windows\SysWOW64\rundll32.exerundll32.exe C:\Users\Admin\AppData\Local\Temp\a83f57c8ea94b475bec2be5f5ac04496be61231d29eced2b77e1c7a5e1215857.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:3300
-