Analysis
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max time kernel
150s -
max time network
147s -
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 04:26
Behavioral task
behavioral1
Sample
9f8ba4e70e2b70d9508941392ab9b330d489f3aadd20fe4b06849c4d169628ef.dll
Resource
win7-20240903-en
windows7-x64
16 signatures
150 seconds
General
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Target
9f8ba4e70e2b70d9508941392ab9b330d489f3aadd20fe4b06849c4d169628ef.dll
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Size
432KB
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MD5
19287f6438e2da58aed6c5d3ab322d18
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SHA1
165529aff8f97b55ec1f5d411bac38f8d0f5ae6d
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SHA256
9f8ba4e70e2b70d9508941392ab9b330d489f3aadd20fe4b06849c4d169628ef
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SHA512
97ab6b01764f2339f01d6de5a29014c76a35d9a4b9d3c1a94aa7431aaf9fea3b83458349223961759a0f1b2e33bc5102d712c0ca6098ecbedc5979a5ff502dcf
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SSDEEP
12288:kov9YJjrV+pJR6cuXFqaYCL9yKASIAcl3hkWWlyvQV:B+JHVyR6xXky0KASbcdh6yvQV
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 1 IoCs
description pid Process procid_target PID 4292 created 616 4292 rundll32.exe 5 -
resource yara_rule behavioral2/memory/4292-0-0x0000000010000000-0x0000000010089000-memory.dmp upx behavioral2/memory/4444-2-0x0000000000400000-0x0000000000543000-memory.dmp upx behavioral2/memory/4444-3-0x0000000000400000-0x0000000000543000-memory.dmp upx behavioral2/memory/4444-9-0x0000000000400000-0x0000000000543000-memory.dmp upx behavioral2/memory/4444-8-0x0000000000400000-0x0000000000543000-memory.dmp upx behavioral2/memory/4444-1-0x0000000000400000-0x0000000000543000-memory.dmp upx behavioral2/memory/4444-7-0x0000000000400000-0x0000000000543000-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) \??\T: svchost.exe File opened (read-only) \??\G: svchost.exe File opened (read-only) \??\I: svchost.exe File opened (read-only) \??\M: svchost.exe File opened (read-only) \??\P: svchost.exe File opened (read-only) \??\W: svchost.exe File opened (read-only) \??\Y: svchost.exe File opened (read-only) \??\Z: svchost.exe File opened (read-only) \??\B: svchost.exe File opened (read-only) \??\E: 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) \??\R: svchost.exe File opened (read-only) \??\L: svchost.exe File opened (read-only) \??\N: svchost.exe File opened (read-only) \??\S: svchost.exe File opened (read-only) \??\U: svchost.exe File opened (read-only) \??\V: svchost.exe File opened (read-only) \??\X: svchost.exe -
Suspicious use of SetThreadContext 1 IoCs
description pid Process procid_target PID 4292 set thread context of 4444 4292 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 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 Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\ActiveMovie\devenum svchost.exe -
Suspicious behavior: EnumeratesProcesses 64 IoCs
pid Process 4292 rundll32.exe 4292 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 5 IoCs
description pid Process Token: SeDebugPrivilege 4292 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 11 IoCs
description pid Process procid_target PID 452 wrote to memory of 4292 452 rundll32.exe 83 PID 452 wrote to memory of 4292 452 rundll32.exe 83 PID 452 wrote to memory of 4292 452 rundll32.exe 83 PID 4292 wrote to memory of 4444 4292 rundll32.exe 84 PID 4292 wrote to memory of 4444 4292 rundll32.exe 84 PID 4292 wrote to memory of 4444 4292 rundll32.exe 84 PID 4292 wrote to memory of 4444 4292 rundll32.exe 84 PID 4292 wrote to memory of 4444 4292 rundll32.exe 84 PID 4292 wrote to memory of 4444 4292 rundll32.exe 84 PID 4292 wrote to memory of 4444 4292 rundll32.exe 84 PID 4292 wrote to memory of 4444 4292 rundll32.exe 84
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
- 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\9f8ba4e70e2b70d9508941392ab9b330d489f3aadd20fe4b06849c4d169628ef.dll,#11⤵
- Suspicious use of WriteProcessMemory
PID:452 -
C:\Windows\SysWOW64\rundll32.exerundll32.exe C:\Users\Admin\AppData\Local\Temp\9f8ba4e70e2b70d9508941392ab9b330d489f3aadd20fe4b06849c4d169628ef.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:4292
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