Analysis
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max time kernel
150s -
max time network
150s -
platform
windows10-2004_x64 -
resource
win10v2004-20241007-en -
resource tags
arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system -
submitted
29-12-2024 06:52
Behavioral task
behavioral1
Sample
b91f95703f68975040a5cf91849095534101d15f181f860697ab10198c2a60ff.exe
Resource
win7-20240903-en
General
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Target
b91f95703f68975040a5cf91849095534101d15f181f860697ab10198c2a60ff.exe
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Size
1.2MB
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MD5
5dfb2a5a405f4018b0ba8eb4b4d69f6d
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SHA1
e87e21e09d1988f6284b00cfc07a917646586f12
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SHA256
b91f95703f68975040a5cf91849095534101d15f181f860697ab10198c2a60ff
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SHA512
ab3e13b22e19f87a1e172d12f48964f64e823f80692ed3a5657f6402f5c556f300da7f98db411856a84fb9153451f07e4f8201a25c149c0ef4e3b6c52da65ea8
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SSDEEP
24576:HovxCwgMBqHO5ZdYXOp0nQrXctTfK+d+MrTXowFlw57XYBwJtiN:WIwgMEuy+inDfp3/XoCw57XYBwKN
Malware Config
Signatures
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resource yara_rule behavioral2/memory/1204-38-0x0000000010000000-0x00000000101BA000-memory.dmp purplefox_rootkit behavioral2/memory/1204-37-0x0000000010000000-0x00000000101BA000-memory.dmp purplefox_rootkit behavioral2/memory/1360-45-0x0000000010000000-0x00000000101BA000-memory.dmp purplefox_rootkit behavioral2/memory/1360-46-0x0000000010000000-0x00000000101BA000-memory.dmp purplefox_rootkit behavioral2/memory/1800-54-0x0000000010000000-0x00000000101BA000-memory.dmp purplefox_rootkit behavioral2/memory/1800-58-0x0000000010000000-0x00000000101BA000-memory.dmp purplefox_rootkit behavioral2/memory/1800-61-0x0000000010000000-0x00000000101BA000-memory.dmp purplefox_rootkit -
Gh0st RAT payload 8 IoCs
resource yara_rule behavioral2/files/0x0007000000023cb9-17.dat family_gh0strat behavioral2/memory/1204-38-0x0000000010000000-0x00000000101BA000-memory.dmp family_gh0strat behavioral2/memory/1204-37-0x0000000010000000-0x00000000101BA000-memory.dmp family_gh0strat behavioral2/memory/1360-45-0x0000000010000000-0x00000000101BA000-memory.dmp family_gh0strat behavioral2/memory/1360-46-0x0000000010000000-0x00000000101BA000-memory.dmp family_gh0strat behavioral2/memory/1800-54-0x0000000010000000-0x00000000101BA000-memory.dmp family_gh0strat behavioral2/memory/1800-58-0x0000000010000000-0x00000000101BA000-memory.dmp family_gh0strat behavioral2/memory/1800-61-0x0000000010000000-0x00000000101BA000-memory.dmp family_gh0strat -
Gh0strat family
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Purplefox family
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Drops file in Drivers directory 1 IoCs
description ioc Process File created C:\Windows\system32\drivers\QAssist.sys Ghiya.exe -
Server Software Component: Terminal Services DLL 1 TTPs 2 IoCs
description ioc Process Set value (str) \REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\Ö÷¶¯·ÀÓù·þÎñÄ£¿é\Parameters\ServiceDll = "C:\\Windows\\system32\\240631875.txt" AK47.exe Set value (str) \REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\Ö÷¶¯·ÀÓù·þÎñÄ£¿é\Parameters\ServiceDll = "C:\\Windows\\system32\\240631859.txt" AK47.exe -
Sets service image path in registry 2 TTPs 1 IoCs
description ioc Process Set value (str) \REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\QAssist\ImagePath = "system32\\DRIVERS\\QAssist.sys" Ghiya.exe -
Checks computer location settings 2 TTPs 1 IoCs
Looks up country code configured in the registry, likely geofence.
description ioc Process Key value queried \REGISTRY\USER\S-1-5-21-493223053-2004649691-1575712786-1000\Control Panel\International\Geo\Nation b91f95703f68975040a5cf91849095534101d15f181f860697ab10198c2a60ff.exe -
Drops startup file 1 IoCs
description ioc Process File created C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\win.lnk b91f95703f68975040a5cf91849095534101d15f181f860697ab10198c2a60ff.exe -
Executes dropped EXE 6 IoCs
pid Process 2712 AK47.exe 2564 AK47.exe 1204 AK74.exe 1360 Ghiya.exe 1800 Ghiya.exe 3188 Ö÷¶¯·ÀÓù·þÎñÄ£¿é.exe -
Loads dropped DLL 4 IoCs
pid Process 2564 AK47.exe 2712 AK47.exe 5000 svchost.exe 3188 Ö÷¶¯·ÀÓù·þÎñÄ£¿é.exe -
resource yara_rule behavioral2/memory/1096-0-0x0000000000400000-0x0000000000760000-memory.dmp vmprotect behavioral2/memory/1096-1-0x0000000000400000-0x0000000000760000-memory.dmp vmprotect behavioral2/files/0x0008000000023cb6-66.dat vmprotect behavioral2/memory/1096-76-0x0000000000400000-0x0000000000760000-memory.dmp vmprotect behavioral2/memory/1096-79-0x0000000000400000-0x0000000000760000-memory.dmp vmprotect behavioral2/memory/1096-82-0x0000000000400000-0x0000000000760000-memory.dmp vmprotect behavioral2/memory/1096-86-0x0000000000400000-0x0000000000760000-memory.dmp vmprotect behavioral2/memory/1096-89-0x0000000000400000-0x0000000000760000-memory.dmp vmprotect behavioral2/memory/1096-92-0x0000000000400000-0x0000000000760000-memory.dmp vmprotect behavioral2/memory/1096-95-0x0000000000400000-0x0000000000760000-memory.dmp vmprotect -
Adds Run key to start application 2 TTPs 1 IoCs
description ioc Process Set value (str) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\360safo = "C:\\Users\\Admin\\AppData\\Roaming\\Microsoft\\svchcst.exe" b91f95703f68975040a5cf91849095534101d15f181f860697ab10198c2a60ff.exe -
Drops file in System32 directory 8 IoCs
description ioc Process File created C:\Windows\SysWOW64\240631875.txt AK47.exe File opened for modification C:\Windows\SysWOW64\ini.ini AK47.exe File opened for modification C:\Windows\SysWOW64\ini.ini AK47.exe File created C:\Windows\SysWOW64\Ö÷¶¯·ÀÓù·þÎñÄ£¿é.exe svchost.exe File opened for modification C:\Windows\SysWOW64\Ö÷¶¯·ÀÓù·þÎñÄ£¿é.exe svchost.exe File created C:\Windows\SysWOW64\Ghiya.exe AK74.exe File opened for modification C:\Windows\SysWOW64\Ghiya.exe AK74.exe File created C:\Windows\SysWOW64\240631859.txt AK47.exe -
resource yara_rule behavioral2/memory/1204-34-0x0000000010000000-0x00000000101BA000-memory.dmp upx behavioral2/memory/1204-38-0x0000000010000000-0x00000000101BA000-memory.dmp upx behavioral2/memory/1204-37-0x0000000010000000-0x00000000101BA000-memory.dmp upx behavioral2/memory/1360-45-0x0000000010000000-0x00000000101BA000-memory.dmp upx behavioral2/memory/1360-46-0x0000000010000000-0x00000000101BA000-memory.dmp upx behavioral2/memory/1360-43-0x0000000010000000-0x00000000101BA000-memory.dmp upx behavioral2/memory/1800-54-0x0000000010000000-0x00000000101BA000-memory.dmp upx behavioral2/memory/1800-58-0x0000000010000000-0x00000000101BA000-memory.dmp upx behavioral2/memory/1800-61-0x0000000010000000-0x00000000101BA000-memory.dmp upx -
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
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System Location Discovery: System Language Discovery 1 TTPs 10 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 AK47.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language svchost.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language AK74.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language Ghiya.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language WScript.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language b91f95703f68975040a5cf91849095534101d15f181f860697ab10198c2a60ff.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language AK47.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language cmd.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language PING.EXE Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language Ö÷¶¯·ÀÓù·þÎñÄ£¿é.exe -
System Network Configuration Discovery: Internet Connection Discovery 1 TTPs 2 IoCs
Adversaries may check for Internet connectivity on compromised systems.
pid Process 2808 cmd.exe 1600 PING.EXE -
Modifies registry class 1 IoCs
description ioc Process Key created \REGISTRY\USER\S-1-5-21-493223053-2004649691-1575712786-1000_Classes\Local Settings b91f95703f68975040a5cf91849095534101d15f181f860697ab10198c2a60ff.exe -
Runs ping.exe 1 TTPs 1 IoCs
pid Process 1600 PING.EXE -
Suspicious behavior: EnumeratesProcesses 16 IoCs
pid Process 1096 b91f95703f68975040a5cf91849095534101d15f181f860697ab10198c2a60ff.exe 1096 b91f95703f68975040a5cf91849095534101d15f181f860697ab10198c2a60ff.exe 1096 b91f95703f68975040a5cf91849095534101d15f181f860697ab10198c2a60ff.exe 1096 b91f95703f68975040a5cf91849095534101d15f181f860697ab10198c2a60ff.exe 1096 b91f95703f68975040a5cf91849095534101d15f181f860697ab10198c2a60ff.exe 1096 b91f95703f68975040a5cf91849095534101d15f181f860697ab10198c2a60ff.exe 1096 b91f95703f68975040a5cf91849095534101d15f181f860697ab10198c2a60ff.exe 1096 b91f95703f68975040a5cf91849095534101d15f181f860697ab10198c2a60ff.exe 1096 b91f95703f68975040a5cf91849095534101d15f181f860697ab10198c2a60ff.exe 1096 b91f95703f68975040a5cf91849095534101d15f181f860697ab10198c2a60ff.exe 1096 b91f95703f68975040a5cf91849095534101d15f181f860697ab10198c2a60ff.exe 1096 b91f95703f68975040a5cf91849095534101d15f181f860697ab10198c2a60ff.exe 1096 b91f95703f68975040a5cf91849095534101d15f181f860697ab10198c2a60ff.exe 1096 b91f95703f68975040a5cf91849095534101d15f181f860697ab10198c2a60ff.exe 1096 b91f95703f68975040a5cf91849095534101d15f181f860697ab10198c2a60ff.exe 1096 b91f95703f68975040a5cf91849095534101d15f181f860697ab10198c2a60ff.exe -
Suspicious behavior: LoadsDriver 1 IoCs
pid Process 1800 Ghiya.exe -
Suspicious behavior: RenamesItself 1 IoCs
pid Process 1096 b91f95703f68975040a5cf91849095534101d15f181f860697ab10198c2a60ff.exe -
Suspicious use of AdjustPrivilegeToken 6 IoCs
description pid Process Token: SeIncBasePriorityPrivilege 1204 AK74.exe Token: SeLoadDriverPrivilege 1800 Ghiya.exe Token: 33 1800 Ghiya.exe Token: SeIncBasePriorityPrivilege 1800 Ghiya.exe Token: 33 1800 Ghiya.exe Token: SeIncBasePriorityPrivilege 1800 Ghiya.exe -
Suspicious use of SetWindowsHookEx 2 IoCs
pid Process 1096 b91f95703f68975040a5cf91849095534101d15f181f860697ab10198c2a60ff.exe 1096 b91f95703f68975040a5cf91849095534101d15f181f860697ab10198c2a60ff.exe -
Suspicious use of WriteProcessMemory 24 IoCs
description pid Process procid_target PID 1096 wrote to memory of 2712 1096 b91f95703f68975040a5cf91849095534101d15f181f860697ab10198c2a60ff.exe 85 PID 1096 wrote to memory of 2712 1096 b91f95703f68975040a5cf91849095534101d15f181f860697ab10198c2a60ff.exe 85 PID 1096 wrote to memory of 2712 1096 b91f95703f68975040a5cf91849095534101d15f181f860697ab10198c2a60ff.exe 85 PID 1096 wrote to memory of 2564 1096 b91f95703f68975040a5cf91849095534101d15f181f860697ab10198c2a60ff.exe 86 PID 1096 wrote to memory of 2564 1096 b91f95703f68975040a5cf91849095534101d15f181f860697ab10198c2a60ff.exe 86 PID 1096 wrote to memory of 2564 1096 b91f95703f68975040a5cf91849095534101d15f181f860697ab10198c2a60ff.exe 86 PID 1096 wrote to memory of 1204 1096 b91f95703f68975040a5cf91849095534101d15f181f860697ab10198c2a60ff.exe 88 PID 1096 wrote to memory of 1204 1096 b91f95703f68975040a5cf91849095534101d15f181f860697ab10198c2a60ff.exe 88 PID 1096 wrote to memory of 1204 1096 b91f95703f68975040a5cf91849095534101d15f181f860697ab10198c2a60ff.exe 88 PID 1360 wrote to memory of 1800 1360 Ghiya.exe 90 PID 1360 wrote to memory of 1800 1360 Ghiya.exe 90 PID 1360 wrote to memory of 1800 1360 Ghiya.exe 90 PID 1204 wrote to memory of 2808 1204 AK74.exe 91 PID 1204 wrote to memory of 2808 1204 AK74.exe 91 PID 1204 wrote to memory of 2808 1204 AK74.exe 91 PID 1096 wrote to memory of 2608 1096 b91f95703f68975040a5cf91849095534101d15f181f860697ab10198c2a60ff.exe 93 PID 1096 wrote to memory of 2608 1096 b91f95703f68975040a5cf91849095534101d15f181f860697ab10198c2a60ff.exe 93 PID 1096 wrote to memory of 2608 1096 b91f95703f68975040a5cf91849095534101d15f181f860697ab10198c2a60ff.exe 93 PID 2808 wrote to memory of 1600 2808 cmd.exe 95 PID 2808 wrote to memory of 1600 2808 cmd.exe 95 PID 2808 wrote to memory of 1600 2808 cmd.exe 95 PID 5000 wrote to memory of 3188 5000 svchost.exe 97 PID 5000 wrote to memory of 3188 5000 svchost.exe 97 PID 5000 wrote to memory of 3188 5000 svchost.exe 97
Processes
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C:\Users\Admin\AppData\Local\Temp\b91f95703f68975040a5cf91849095534101d15f181f860697ab10198c2a60ff.exe"C:\Users\Admin\AppData\Local\Temp\b91f95703f68975040a5cf91849095534101d15f181f860697ab10198c2a60ff.exe"1⤵
- Checks computer location settings
- Drops startup file
- Adds Run key to start application
- System Location Discovery: System Language Discovery
- Modifies registry class
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: RenamesItself
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:1096 -
C:\Users\Admin\AppData\Local\Temp\AK47.exe"C:\Users\Admin\AppData\Local\Temp\AK47.exe"2⤵
- Server Software Component: Terminal Services DLL
- Executes dropped EXE
- Loads dropped DLL
- Drops file in System32 directory
- System Location Discovery: System Language Discovery
PID:2712
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C:\Users\Admin\AppData\Local\Temp\AK47.exeC:\Users\Admin\AppData\Local\Temp\\AK47.exe2⤵
- Server Software Component: Terminal Services DLL
- Executes dropped EXE
- Loads dropped DLL
- Drops file in System32 directory
- System Location Discovery: System Language Discovery
PID:2564
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C:\Users\Admin\AppData\Local\Temp\AK74.exeC:\Users\Admin\AppData\Local\Temp\\AK74.exe2⤵
- Executes dropped EXE
- Drops file in System32 directory
- System Location Discovery: System Language Discovery
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1204 -
C:\Windows\SysWOW64\cmd.exeC:\Windows\system32\cmd.exe /c ping -n 2 127.0.0.1 > nul && del C:\Users\Admin\AppData\Local\Temp\AK74.exe > nul3⤵
- System Location Discovery: System Language Discovery
- System Network Configuration Discovery: Internet Connection Discovery
- Suspicious use of WriteProcessMemory
PID:2808 -
C:\Windows\SysWOW64\PING.EXEping -n 2 127.0.0.14⤵
- System Location Discovery: System Language Discovery
- System Network Configuration Discovery: Internet Connection Discovery
- Runs ping.exe
PID:1600
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C:\Windows\SysWOW64\WScript.exe"C:\Windows\System32\WScript.exe" "C:\Users\Admin\AppData\Roaming\Microsoft\VBS3.vbs"2⤵
- System Location Discovery: System Language Discovery
PID:2608
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C:\Windows\SysWOW64\svchost.exeC:\Windows\SysWOW64\svchost.exe -k "Ö÷¶¯·ÀÓù·þÎñÄ£¿é"1⤵
- Loads dropped DLL
- Drops file in System32 directory
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:5000 -
C:\Windows\SysWOW64\Ö÷¶¯·ÀÓù·þÎñÄ£¿é.exeC:\Windows\system32\Ö÷¶¯·ÀÓù·þÎñÄ£¿é.exe "c:\windows\system32\240631859.txt",MainThread2⤵
- Executes dropped EXE
- Loads dropped DLL
- System Location Discovery: System Language Discovery
PID:3188
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C:\Windows\SysWOW64\Ghiya.exeC:\Windows\SysWOW64\Ghiya.exe -auto1⤵
- Executes dropped EXE
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:1360 -
C:\Windows\SysWOW64\Ghiya.exeC:\Windows\SysWOW64\Ghiya.exe -acsi2⤵
- Drops file in Drivers directory
- Sets service image path in registry
- Executes dropped EXE
- Suspicious behavior: LoadsDriver
- Suspicious use of AdjustPrivilegeToken
PID:1800
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Network
MITRE ATT&CK Enterprise v15
Persistence
Boot or Logon Autostart Execution
2Registry Run Keys / Startup Folder
2Server Software Component
1Terminal Services DLL
1Privilege Escalation
Boot or Logon Autostart Execution
2Registry Run Keys / Startup Folder
2Replay Monitor
Loading Replay Monitor...
Downloads
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Filesize
91KB
MD5423eb994ed553294f8a6813619b8da87
SHA1eca6a16ccd13adcfc27bc1041ddef97ec8081255
SHA256050b4f2d5ae8eaecd414318dc8e222a56f169626da6ca8feb7edd78e8b1f0218
SHA512fab0a9af8031c242c486de373df7277c8b0e39f7a0c9c2ac2e385dbd3ea67be16e91b128287634f76131e5264149ab1b452cd21df4c4895e8c4efc8d8cf99095
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Filesize
400KB
MD5b0998aa7d5071d33daa5b60b9c3c9735
SHA19365a1ff0c6de244d6f36c8d84072cc916665d3c
SHA2563080b6bb456564899b0d99d4131bd6a0b284d31f7d80ef773e4872d94048d49a
SHA512308c13cda9fea39b980ae686f44afd9090e9cb8970fffc4436320e0d09a31aee5e656914e0121fe888098a14c52749716fa04980396fd6ac70a88c11cbb6b850
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Filesize
92B
MD529ce53e2a4a446614ccc8d64d346bde4
SHA139a7aa5cc1124842aa0c25abb16ea94452125cbe
SHA25656225be6838bc6e93ea215891eacf28844ae27a9f8b2b29bf19d3a8c2b1f58df
SHA512b2c5a2708c427171a5715801f8ea733ffe88d73aaaaf59c5c752ea32cbe7aae8526cc26eabe84ad5043174c0c69b1d6b15a9fb125c15accfac3462d5d08a0faa
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Filesize
753B
MD537ce5220acbe02f41b0a7c8324d1b736
SHA1686a953c540804ed21274061ad6203e4fa22b002
SHA2566e84de97188293da44a8f4ac18cfde246ed2ad11f869f2d38c09991ad9ca3542
SHA512e9a9b99379e72acb0a3ac5f65a80c88a08c7a302ed3ad4122fe849d4cd1699b5b8a33cf928e07f6121e912673e2ca9143772871a24bba2f27e00835e3d501e36
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Filesize
1.2MB
MD58118b78d32093d8e5eb66f8e2b34d401
SHA1d41c3eceb8e8728c73421749881f61a9ee5bf1d6
SHA2563db6ce77ed4641fcd21d234de7860bbde5534c9dc11b3e9c339c877389cda86a
SHA512d0dd4ad87348ea2d887557f371d17ccc26889972a39e565fab39b59d65279290fd70b6234a85843c590843a5fcc033032aa46573b4072b667468ffb3800cd30e
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Filesize
49KB
MD500fa76747150a8a629e2002a36cfbc33
SHA168d23d45fcf16649e98c89da83b4801194059427
SHA25615ba035d5421ef29773ebb1cd841d5d0a3d8af18cba9480e1f4cd0f81b79ed17
SHA512b0d223ecb216315083829253e3a5180b8a178da602f38edff9853a1824bf77e1aae5611545b71e27faf1322b18da848b92d8da19a6254c0d81a530290083a45b
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Filesize
45B
MD51f6cc9cc8c7126a8956a1447bc8e5068
SHA1112f94dfc7ce62686727d111b6fac7f5b6fe5b43
SHA25683c06c11edb886b1079627f2504ee62cbb29a27d77610d0f1ae0af76b9386170
SHA512fd07331f9ba44f42b2903c1d3c989d1f020e683a97116d8c77bd1423f1a82ef857c4182e8b092c6b6262d5c42a3eaa4dd6a317ad581793566b7fcc726df11c43
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Filesize
60KB
MD5889b99c52a60dd49227c5e485a016679
SHA18fa889e456aa646a4d0a4349977430ce5fa5e2d7
SHA2566cbe0e1f046b13b29bfa26f8b368281d2dda7eb9b718651d5856f22cc3e02910
SHA51208933106eaf338dd119c45cbf1f83e723aff77cc0f8d3fc84e36253b1eb31557a54211d1d5d1cb58958188e32064d451f6c66a24b3963cccd3de07299ab90641