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Analysis
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max time kernel
120s -
max time network
91s -
platform
windows10-2004_x64 -
resource
win10v2004-20240802-en -
resource tags
arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system -
submitted
25/09/2024, 05:29
Behavioral task
behavioral1
Sample
4671eb6846247753f89feeec33512129313c942a0fb44d0b03d18b32d19869e2N.dll
Resource
win7-20240704-en
windows7-x64
14 signatures
120 seconds
General
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Target
4671eb6846247753f89feeec33512129313c942a0fb44d0b03d18b32d19869e2N.dll
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Size
437KB
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MD5
1c9ea3c5b5f04beadca7c29f84eb1930
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SHA1
0f6f2ff18d13894f42bb4fac43a07c8e4595a99f
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SHA256
4671eb6846247753f89feeec33512129313c942a0fb44d0b03d18b32d19869e2
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SHA512
7acf4c620535490a095c73d19c5459754b3e2c817e265e0ede1fba3db124972bea9e3d0470aeed431352b027d7310c936196cc50ccc9f41cd8d774028f2b4228
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SSDEEP
6144:bas0ZLc/IJvCklIqA8mvHwgnHJp9OWqw7zsK0bencTpX4KtjY5Jt/lt0zwzOu6Wc:gBFJqk2q1g5ppemr0bAKoNfnQCSWpoSG
Malware Config
Signatures
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resource yara_rule behavioral2/memory/2264-22-0x0000000010000000-0x00000000101A0000-memory.dmp purplefox_rootkit behavioral2/memory/1216-24-0x0000000010000000-0x00000000101A0000-memory.dmp purplefox_rootkit -
Gh0st RAT payload 2 IoCs
resource yara_rule behavioral2/memory/2264-22-0x0000000010000000-0x00000000101A0000-memory.dmp family_gh0strat behavioral2/memory/1216-24-0x0000000010000000-0x00000000101A0000-memory.dmp family_gh0strat -
Suspicious use of NtCreateUserProcessOtherParentProcess 2 IoCs
description pid Process procid_target PID 3588 created 608 3588 rundll32.exe 5 PID 3588 created 608 3588 rundll32.exe 5 -
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) \??\H: svchost.exe File opened (read-only) \??\N: svchost.exe File opened (read-only) \??\O: svchost.exe File opened (read-only) \??\K: svchost.exe File opened (read-only) \??\E: svchost.exe File opened (read-only) \??\G: svchost.exe File opened (read-only) \??\P: svchost.exe File opened (read-only) \??\X: svchost.exe File opened (read-only) \??\B: svchost.exe File opened (read-only) \??\G: svchost.exe File opened (read-only) \??\I: svchost.exe File opened (read-only) \??\J: svchost.exe File opened (read-only) \??\K: svchost.exe File opened (read-only) \??\B: svchost.exe File opened (read-only) \??\P: svchost.exe File opened (read-only) \??\T: svchost.exe File opened (read-only) \??\S: svchost.exe File opened (read-only) \??\T: svchost.exe File opened (read-only) \??\H: 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) \??\I: svchost.exe File opened (read-only) \??\M: svchost.exe File opened (read-only) \??\E: svchost.exe File opened (read-only) \??\U: svchost.exe File opened (read-only) \??\L: svchost.exe File opened (read-only) \??\M: svchost.exe File opened (read-only) \??\Q: svchost.exe File opened (read-only) \??\V: svchost.exe File opened (read-only) \??\X: svchost.exe File opened (read-only) \??\R: svchost.exe File opened (read-only) \??\V: svchost.exe File opened (read-only) \??\W: svchost.exe File opened (read-only) \??\L: svchost.exe File opened (read-only) \??\N: svchost.exe File opened (read-only) \??\O: svchost.exe File opened (read-only) \??\R: svchost.exe File opened (read-only) \??\U: svchost.exe File opened (read-only) \??\Q: svchost.exe File opened (read-only) \??\Y: svchost.exe File opened (read-only) \??\Z: svchost.exe File opened (read-only) \??\J: svchost.exe -
Suspicious use of SetThreadContext 2 IoCs
description pid Process procid_target PID 3588 set thread context of 1216 3588 rundll32.exe 83 PID 3588 set thread context of 2264 3588 rundll32.exe 84 -
resource yara_rule behavioral2/memory/3588-0-0x0000000010000000-0x00000000100A6000-memory.dmp upx behavioral2/memory/1216-2-0x0000000000400000-0x0000000000543000-memory.dmp upx behavioral2/memory/1216-1-0x0000000000400000-0x0000000000543000-memory.dmp upx behavioral2/memory/1216-9-0x0000000000400000-0x0000000000543000-memory.dmp upx behavioral2/memory/1216-8-0x0000000000400000-0x0000000000543000-memory.dmp upx behavioral2/memory/1216-7-0x0000000000400000-0x0000000000543000-memory.dmp upx behavioral2/memory/1216-4-0x0000000000400000-0x0000000000543000-memory.dmp upx -
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 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 3588 rundll32.exe 3588 rundll32.exe 3588 rundll32.exe 3588 rundll32.exe 1216 svchost.exe 1216 svchost.exe 1216 svchost.exe 1216 svchost.exe 1216 svchost.exe 1216 svchost.exe 1216 svchost.exe 1216 svchost.exe 2264 svchost.exe 1216 svchost.exe 2264 svchost.exe 1216 svchost.exe 2264 svchost.exe 1216 svchost.exe 2264 svchost.exe 1216 svchost.exe 2264 svchost.exe 1216 svchost.exe 2264 svchost.exe 1216 svchost.exe 2264 svchost.exe 1216 svchost.exe 2264 svchost.exe 1216 svchost.exe 2264 svchost.exe 1216 svchost.exe 2264 svchost.exe 1216 svchost.exe 2264 svchost.exe 1216 svchost.exe 2264 svchost.exe 1216 svchost.exe 2264 svchost.exe 1216 svchost.exe 2264 svchost.exe 1216 svchost.exe 2264 svchost.exe 2264 svchost.exe 1216 svchost.exe 1216 svchost.exe 2264 svchost.exe 2264 svchost.exe 1216 svchost.exe 1216 svchost.exe 2264 svchost.exe 2264 svchost.exe 1216 svchost.exe 1216 svchost.exe 2264 svchost.exe 2264 svchost.exe 1216 svchost.exe 1216 svchost.exe 2264 svchost.exe 2264 svchost.exe 1216 svchost.exe 1216 svchost.exe 2264 svchost.exe 2264 svchost.exe 1216 svchost.exe 1216 svchost.exe -
Suspicious use of AdjustPrivilegeToken 6 IoCs
description pid Process Token: SeDebugPrivilege 3588 rundll32.exe Token: SeDebugPrivilege 3588 rundll32.exe Token: 33 1216 svchost.exe Token: 33 2264 svchost.exe Token: SeIncBasePriorityPrivilege 1216 svchost.exe Token: SeIncBasePriorityPrivilege 2264 svchost.exe -
Suspicious use of WriteProcessMemory 19 IoCs
description pid Process procid_target PID 3452 wrote to memory of 3588 3452 rundll32.exe 82 PID 3452 wrote to memory of 3588 3452 rundll32.exe 82 PID 3452 wrote to memory of 3588 3452 rundll32.exe 82 PID 3588 wrote to memory of 1216 3588 rundll32.exe 83 PID 3588 wrote to memory of 1216 3588 rundll32.exe 83 PID 3588 wrote to memory of 1216 3588 rundll32.exe 83 PID 3588 wrote to memory of 1216 3588 rundll32.exe 83 PID 3588 wrote to memory of 1216 3588 rundll32.exe 83 PID 3588 wrote to memory of 1216 3588 rundll32.exe 83 PID 3588 wrote to memory of 1216 3588 rundll32.exe 83 PID 3588 wrote to memory of 1216 3588 rundll32.exe 83 PID 3588 wrote to memory of 2264 3588 rundll32.exe 84 PID 3588 wrote to memory of 2264 3588 rundll32.exe 84 PID 3588 wrote to memory of 2264 3588 rundll32.exe 84 PID 3588 wrote to memory of 2264 3588 rundll32.exe 84 PID 3588 wrote to memory of 2264 3588 rundll32.exe 84 PID 3588 wrote to memory of 2264 3588 rundll32.exe 84 PID 3588 wrote to memory of 2264 3588 rundll32.exe 84 PID 3588 wrote to memory of 2264 3588 rundll32.exe 84
Processes
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C:\Windows\system32\winlogon.exewinlogon.exe1⤵PID:608
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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:1216
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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:2264
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C:\Windows\system32\rundll32.exerundll32.exe C:\Users\Admin\AppData\Local\Temp\4671eb6846247753f89feeec33512129313c942a0fb44d0b03d18b32d19869e2N.dll,#11⤵
- Suspicious use of WriteProcessMemory
PID:3452 -
C:\Windows\SysWOW64\rundll32.exerundll32.exe C:\Users\Admin\AppData\Local\Temp\4671eb6846247753f89feeec33512129313c942a0fb44d0b03d18b32d19869e2N.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:3588
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