Analysis
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max time kernel
150s -
max time network
118s -
platform
windows7_x64 -
resource
win7-20240903-en -
resource tags
arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system -
submitted
04-10-2024 08:14
Behavioral task
behavioral1
Sample
85a2551c9c9c529a0520f0e969820b4f814cc623a53e3d272d8c8a813ca39b1c.dll
Resource
win7-20240903-en
windows7-x64
14 signatures
150 seconds
General
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Target
85a2551c9c9c529a0520f0e969820b4f814cc623a53e3d272d8c8a813ca39b1c.dll
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Size
437KB
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MD5
690385dc17c6d7e54bb0af46e0011bf1
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SHA1
d483cf68285504ed9f05614ef1b545f779afb252
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SHA256
85a2551c9c9c529a0520f0e969820b4f814cc623a53e3d272d8c8a813ca39b1c
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SHA512
cf7daedd0a67d3ad2d01618aadf3f2f0e45518cb66c93ccc04a6adc7fc4db134042829cba9cb540218b933ccfe8c252fff44462db57fbe7e22dbad52a7b7eaec
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SSDEEP
6144:bas0ZLc/IJvCklIqA8mvHwgnHJp9OWqw7zsK0bencTpX4KtjY5Jt/lt0zwzOu6We:gBFJqk2q1g5ppemr0bAKoNfnQCSWpoSE
Malware Config
Signatures
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resource yara_rule behavioral1/memory/2724-19-0x0000000010000000-0x00000000101A0000-memory.dmp purplefox_rootkit behavioral1/memory/2724-21-0x0000000010000000-0x00000000101A0000-memory.dmp purplefox_rootkit -
Gh0st RAT payload 2 IoCs
resource yara_rule behavioral1/memory/2724-19-0x0000000010000000-0x00000000101A0000-memory.dmp family_gh0strat behavioral1/memory/2724-21-0x0000000010000000-0x00000000101A0000-memory.dmp family_gh0strat -
Suspicious use of NtCreateUserProcessOtherParentProcess 1 IoCs
description pid Process procid_target PID 2396 created 432 2396 rundll32.exe 5 -
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) \??\L: svchost.exe File opened (read-only) \??\U: svchost.exe File opened (read-only) \??\K: svchost.exe File opened (read-only) \??\M: svchost.exe File opened (read-only) \??\S: svchost.exe File opened (read-only) \??\W: svchost.exe File opened (read-only) \??\Y: svchost.exe File opened (read-only) \??\B: svchost.exe File opened (read-only) \??\G: svchost.exe File opened (read-only) \??\H: svchost.exe File opened (read-only) \??\I: svchost.exe File opened (read-only) \??\N: svchost.exe File opened (read-only) \??\O: svchost.exe File opened (read-only) \??\P: svchost.exe File opened (read-only) \??\Q: svchost.exe File opened (read-only) \??\E: svchost.exe File opened (read-only) \??\V: svchost.exe File opened (read-only) \??\X: svchost.exe File opened (read-only) \??\Z: svchost.exe File opened (read-only) \??\T: svchost.exe File opened (read-only) \??\R: svchost.exe File opened (read-only) \??\J: svchost.exe -
Suspicious use of SetThreadContext 1 IoCs
description pid Process procid_target PID 2396 set thread context of 2724 2396 rundll32.exe 32 -
resource yara_rule behavioral1/memory/2396-2-0x0000000010000000-0x00000000100A6000-memory.dmp upx behavioral1/memory/2396-1-0x0000000010000000-0x00000000100A6000-memory.dmp upx behavioral1/memory/2396-0-0x0000000010000000-0x00000000100A6000-memory.dmp upx behavioral1/memory/2396-4-0x0000000010000000-0x00000000100A6000-memory.dmp upx behavioral1/memory/2724-16-0x0000000000400000-0x0000000000543000-memory.dmp upx behavioral1/memory/2724-15-0x0000000000400000-0x0000000000543000-memory.dmp upx behavioral1/memory/2724-14-0x0000000000400000-0x0000000000543000-memory.dmp upx behavioral1/memory/2724-9-0x0000000000400000-0x0000000000543000-memory.dmp upx behavioral1/memory/2724-7-0x0000000000400000-0x0000000000543000-memory.dmp upx behavioral1/memory/2724-5-0x0000000000400000-0x0000000000543000-memory.dmp upx -
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 12 IoCs
description ioc Process Key created \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings svchost.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Connections svchost.exe Set value (data) \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Connections\DefaultConnectionSettings = 4600000002000000090000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000 svchost.exe Set value (int) \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\ProxyEnable = "0" svchost.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\ActiveMovie\devenum svchost.exe Key created \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft svchost.exe Key created \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\ActiveMovie svchost.exe Key created \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\ActiveMovie\devenum svchost.exe Set value (int) \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\ActiveMovie\devenum\Version = "7" svchost.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings svchost.exe Set value (data) \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Connections\SavedLegacySettings = 4600000002000000090000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000 svchost.exe Key created \REGISTRY\USER\.DEFAULT\Software svchost.exe -
Suspicious behavior: EnumeratesProcesses 64 IoCs
pid Process 2396 rundll32.exe 2396 rundll32.exe 2724 svchost.exe 2724 svchost.exe 2724 svchost.exe 2724 svchost.exe 2724 svchost.exe 2724 svchost.exe 2724 svchost.exe 2724 svchost.exe 2724 svchost.exe 2724 svchost.exe 2724 svchost.exe 2724 svchost.exe 2724 svchost.exe 2724 svchost.exe 2724 svchost.exe 2724 svchost.exe 2724 svchost.exe 2724 svchost.exe 2724 svchost.exe 2724 svchost.exe 2724 svchost.exe 2724 svchost.exe 2724 svchost.exe 2724 svchost.exe 2724 svchost.exe 2724 svchost.exe 2724 svchost.exe 2724 svchost.exe 2724 svchost.exe 2724 svchost.exe 2724 svchost.exe 2724 svchost.exe 2724 svchost.exe 2724 svchost.exe 2724 svchost.exe 2724 svchost.exe 2724 svchost.exe 2724 svchost.exe 2724 svchost.exe 2724 svchost.exe 2724 svchost.exe 2724 svchost.exe 2724 svchost.exe 2724 svchost.exe 2724 svchost.exe 2724 svchost.exe 2724 svchost.exe 2724 svchost.exe 2724 svchost.exe 2724 svchost.exe 2724 svchost.exe 2724 svchost.exe 2724 svchost.exe 2724 svchost.exe 2724 svchost.exe 2724 svchost.exe 2724 svchost.exe 2724 svchost.exe 2724 svchost.exe 2724 svchost.exe 2724 svchost.exe 2724 svchost.exe -
Suspicious use of AdjustPrivilegeToken 5 IoCs
description pid Process Token: SeDebugPrivilege 2396 rundll32.exe Token: 33 2724 svchost.exe Token: SeIncBasePriorityPrivilege 2724 svchost.exe Token: 33 2724 svchost.exe Token: SeIncBasePriorityPrivilege 2724 svchost.exe -
Suspicious use of WriteProcessMemory 15 IoCs
description pid Process procid_target PID 2240 wrote to memory of 2396 2240 rundll32.exe 31 PID 2240 wrote to memory of 2396 2240 rundll32.exe 31 PID 2240 wrote to memory of 2396 2240 rundll32.exe 31 PID 2240 wrote to memory of 2396 2240 rundll32.exe 31 PID 2240 wrote to memory of 2396 2240 rundll32.exe 31 PID 2240 wrote to memory of 2396 2240 rundll32.exe 31 PID 2240 wrote to memory of 2396 2240 rundll32.exe 31 PID 2396 wrote to memory of 2724 2396 rundll32.exe 32 PID 2396 wrote to memory of 2724 2396 rundll32.exe 32 PID 2396 wrote to memory of 2724 2396 rundll32.exe 32 PID 2396 wrote to memory of 2724 2396 rundll32.exe 32 PID 2396 wrote to memory of 2724 2396 rundll32.exe 32 PID 2396 wrote to memory of 2724 2396 rundll32.exe 32 PID 2396 wrote to memory of 2724 2396 rundll32.exe 32 PID 2396 wrote to memory of 2724 2396 rundll32.exe 32
Processes
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C:\Windows\system32\winlogon.exewinlogon.exe1⤵PID:432
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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:2724
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C:\Windows\system32\rundll32.exerundll32.exe C:\Users\Admin\AppData\Local\Temp\85a2551c9c9c529a0520f0e969820b4f814cc623a53e3d272d8c8a813ca39b1c.dll,#11⤵
- Suspicious use of WriteProcessMemory
PID:2240 -
C:\Windows\SysWOW64\rundll32.exerundll32.exe C:\Users\Admin\AppData\Local\Temp\85a2551c9c9c529a0520f0e969820b4f814cc623a53e3d272d8c8a813ca39b1c.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:2396
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