Analysis
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max time kernel
150s -
max time network
98s -
platform
windows10-2004_x64 -
resource
win10v2004-20240802-en -
resource tags
arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system -
submitted
08-09-2024 18:51
Behavioral task
behavioral1
Sample
5771e6a3228332938f6b5c0cc971fe92d1f4d51d8ee6bd93eab42d9c05951621.dll
Resource
win7-20240708-en
windows7-x64
16 signatures
150 seconds
General
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Target
5771e6a3228332938f6b5c0cc971fe92d1f4d51d8ee6bd93eab42d9c05951621.dll
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Size
432KB
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MD5
2dcc896fd48cb12f369cc87b11740822
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SHA1
949bc7bfe5c14ae8857046bf881480c2b343d608
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SHA256
5771e6a3228332938f6b5c0cc971fe92d1f4d51d8ee6bd93eab42d9c05951621
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SHA512
30adb028abd8b753120e9073515d5dc135c9db194f158349043b5267aafed242ab7b6d3282a304d366ed8efed6e583b1f9850b19e8c33119993d3682d9791fa0
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SSDEEP
12288:kov9YJjrV+pJR6cuXFqaYCL9yKASIAcl3hkWWlyvQX:B+JHVyR6xXky0KASbcdh6yvQX
Malware Config
Signatures
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resource yara_rule behavioral2/memory/4444-11-0x0000000010000000-0x00000000101A0000-memory.dmp purplefox_rootkit behavioral2/memory/4444-12-0x0000000010000000-0x00000000101A0000-memory.dmp purplefox_rootkit -
Gh0st RAT payload 2 IoCs
resource yara_rule behavioral2/memory/4444-11-0x0000000010000000-0x00000000101A0000-memory.dmp family_gh0strat behavioral2/memory/4444-12-0x0000000010000000-0x00000000101A0000-memory.dmp family_gh0strat -
Suspicious use of NtCreateUserProcessOtherParentProcess 2 IoCs
description pid Process procid_target PID 1484 created 616 1484 rundll32.exe 5 PID 1484 created 616 1484 rundll32.exe 5 -
resource yara_rule behavioral2/memory/1484-0-0x0000000010000000-0x0000000010089000-memory.dmp upx behavioral2/memory/4444-3-0x0000000000400000-0x0000000000543000-memory.dmp upx behavioral2/memory/4444-7-0x0000000000400000-0x0000000000543000-memory.dmp upx behavioral2/memory/4444-9-0x0000000000400000-0x0000000000543000-memory.dmp upx behavioral2/memory/4444-8-0x0000000000400000-0x0000000000543000-memory.dmp upx behavioral2/memory/4444-2-0x0000000000400000-0x0000000000543000-memory.dmp upx behavioral2/memory/4444-1-0x0000000000400000-0x0000000000543000-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) \??\B: svchost.exe File opened (read-only) \??\I: svchost.exe File opened (read-only) \??\S: svchost.exe File opened (read-only) \??\Y: svchost.exe File opened (read-only) \??\G: svchost.exe File opened (read-only) \??\J: svchost.exe File opened (read-only) \??\K: svchost.exe File opened (read-only) \??\O: svchost.exe File opened (read-only) \??\Q: svchost.exe File opened (read-only) \??\U: svchost.exe File opened (read-only) \??\V: svchost.exe File opened (read-only) \??\Z: svchost.exe File opened (read-only) \??\L: svchost.exe File opened (read-only) \??\T: svchost.exe File opened (read-only) \??\W: svchost.exe File opened (read-only) \??\X: svchost.exe File opened (read-only) \??\E: svchost.exe File opened (read-only) \??\H: svchost.exe File opened (read-only) \??\M: svchost.exe File opened (read-only) \??\N: svchost.exe File opened (read-only) \??\P: svchost.exe File opened (read-only) \??\R: svchost.exe -
Suspicious use of SetThreadContext 1 IoCs
description pid Process procid_target PID 1484 set thread context of 4444 1484 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 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 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 1484 rundll32.exe 1484 rundll32.exe 4444 svchost.exe 4444 svchost.exe 4444 svchost.exe 4444 svchost.exe 4444 svchost.exe 4444 svchost.exe 4444 svchost.exe 4444 svchost.exe 4444 svchost.exe 4444 svchost.exe 4444 svchost.exe 4444 svchost.exe 4444 svchost.exe 4444 svchost.exe 4444 svchost.exe 4444 svchost.exe 4444 svchost.exe 4444 svchost.exe 4444 svchost.exe 4444 svchost.exe 4444 svchost.exe 4444 svchost.exe 4444 svchost.exe 4444 svchost.exe 4444 svchost.exe 4444 svchost.exe 4444 svchost.exe 4444 svchost.exe 4444 svchost.exe 4444 svchost.exe 4444 svchost.exe 4444 svchost.exe 4444 svchost.exe 4444 svchost.exe 4444 svchost.exe 4444 svchost.exe 4444 svchost.exe 4444 svchost.exe 4444 svchost.exe 4444 svchost.exe 4444 svchost.exe 4444 svchost.exe 4444 svchost.exe 4444 svchost.exe 4444 svchost.exe 4444 svchost.exe 4444 svchost.exe 4444 svchost.exe 4444 svchost.exe 4444 svchost.exe 4444 svchost.exe 4444 svchost.exe 4444 svchost.exe 4444 svchost.exe 4444 svchost.exe 4444 svchost.exe 4444 svchost.exe 4444 svchost.exe 4444 svchost.exe 4444 svchost.exe 4444 svchost.exe 4444 svchost.exe -
Suspicious use of AdjustPrivilegeToken 6 IoCs
description pid Process Token: SeDebugPrivilege 1484 rundll32.exe Token: SeDebugPrivilege 1484 rundll32.exe Token: 33 4444 svchost.exe Token: SeIncBasePriorityPrivilege 4444 svchost.exe Token: 33 4444 svchost.exe Token: SeIncBasePriorityPrivilege 4444 svchost.exe -
Suspicious use of WriteProcessMemory 14 IoCs
description pid Process procid_target PID 4984 wrote to memory of 1484 4984 rundll32.exe 83 PID 4984 wrote to memory of 1484 4984 rundll32.exe 83 PID 4984 wrote to memory of 1484 4984 rundll32.exe 83 PID 1484 wrote to memory of 4920 1484 rundll32.exe 84 PID 1484 wrote to memory of 4920 1484 rundll32.exe 84 PID 1484 wrote to memory of 4920 1484 rundll32.exe 84 PID 1484 wrote to memory of 4444 1484 rundll32.exe 85 PID 1484 wrote to memory of 4444 1484 rundll32.exe 85 PID 1484 wrote to memory of 4444 1484 rundll32.exe 85 PID 1484 wrote to memory of 4444 1484 rundll32.exe 85 PID 1484 wrote to memory of 4444 1484 rundll32.exe 85 PID 1484 wrote to memory of 4444 1484 rundll32.exe 85 PID 1484 wrote to memory of 4444 1484 rundll32.exe 85 PID 1484 wrote to memory of 4444 1484 rundll32.exe 85
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⤵PID:4920
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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:4444
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C:\Windows\system32\rundll32.exerundll32.exe C:\Users\Admin\AppData\Local\Temp\5771e6a3228332938f6b5c0cc971fe92d1f4d51d8ee6bd93eab42d9c05951621.dll,#11⤵
- Suspicious use of WriteProcessMemory
PID:4984 -
C:\Windows\SysWOW64\rundll32.exerundll32.exe C:\Users\Admin\AppData\Local\Temp\5771e6a3228332938f6b5c0cc971fe92d1f4d51d8ee6bd93eab42d9c05951621.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:1484
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