Analysis
- max time kernel
150s - max time network
146s - platform
windows10-2004_x64 - resource
win10v2004-20241007-en - resource tags
arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system - submitted
11/11/2024, 19:57
Behavioral task
behavioral1
Sample
f5cb5211d894f2c7bcfe5b58b7e36414ed6385e5d609a710a0d9dc0a7d1f527a.exe
Resource
win7-20240903-en
26 signatures
150 seconds
General
- Target f5cb5211d894f2c7bcfe5b58b7e36414ed6385e5d609a710a0d9dc0a7d1f527a.exe
- Size 1.2MB
- Sample241111-yn8a8syjhp
- SHA256 f5cb5211d894f2c7bcfe5b58b7e36414ed6385e5d609a710a0d9dc0a7d1f527a
- MD5 bffd91106d532bb39bd3dc0c2248371e
- SHA1 94b915ebc7bcab135577dd05fbcadf0a4e7d53dc
- SHA512 116ba9d715f5cb14125f0ee8a89aabcd76ca5f582c40bebe04b2d6b51f4bb98ee19e9241c535a32881f4f5ef1a4884a0770b8d601beba1ce1e24ac092adfb1d9
- SSDEEP 24576:HovxCwgMBqHO5ZdYXOp0nQrXctTfK+d+MrTXowFlw57XYBwJtih:WIwgMEuy+inDfp3/XoCw57XYBwKh
- MD5 SHA1 SHA512 SSDEEP
Malware Config
Signatures
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resource yara_rule behavioral2/memory/3732-25-0x0000000010000000-0x00000000101BA000-memory.dmp purplefox_rootkit behavioral2/memory/3732-26-0x0000000010000000-0x00000000101BA000-memory.dmp purplefox_rootkit behavioral2/memory/796-33-0x0000000010000000-0x00000000101BA000-memory.dmp purplefox_rootkit behavioral2/memory/1636-39-0x0000000010000000-0x00000000101BA000-memory.dmp purplefox_rootkit behavioral2/memory/1636-52-0x0000000010000000-0x00000000101BA000-memory.dmp purplefox_rootkit behavioral2/memory/1636-56-0x0000000010000000-0x00000000101BA000-memory.dmp purplefox_rootkit behavioral2/memory/1636-57-0x0000000010000000-0x00000000101BA000-memory.dmp purplefox_rootkit - Gh0st RAT payload 8 IoCs
resource yara_rule behavioral2/files/0x000a000000023b8e-17.dat family_gh0strat behavioral2/memory/3732-25-0x0000000010000000-0x00000000101BA000-memory.dmp family_gh0strat behavioral2/memory/3732-26-0x0000000010000000-0x00000000101BA000-memory.dmp family_gh0strat behavioral2/memory/796-33-0x0000000010000000-0x00000000101BA000-memory.dmp family_gh0strat behavioral2/memory/1636-39-0x0000000010000000-0x00000000101BA000-memory.dmp family_gh0strat behavioral2/memory/1636-52-0x0000000010000000-0x00000000101BA000-memory.dmp family_gh0strat behavioral2/memory/1636-56-0x0000000010000000-0x00000000101BA000-memory.dmp family_gh0strat behavioral2/memory/1636-57-0x0000000010000000-0x00000000101BA000-memory.dmp family_gh0strat - Gh0strat family
- Purplefox family
- Drops file in Drivers directory 1 IoCs
description ioc Process File created C:\Windows\system32\drivers\QAssist.sys Ghiya.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-1-5-21-4050598569-1597076380-177084960-1000\Control Panel\International\Geo\Nation f5cb5211d894f2c7bcfe5b58b7e36414ed6385e5d609a710a0d9dc0a7d1f527a.exe - Drops startup file 1 IoCs
description ioc Process File created C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\win.lnk f5cb5211d894f2c7bcfe5b58b7e36414ed6385e5d609a710a0d9dc0a7d1f527a.exe - Executes dropped EXE 5 IoCs
pid Process 3516 AK47.exe 4580 AK47.exe 3732 AK74.exe 796 Ghiya.exe 1636 Ghiya.exe - Loads dropped DLL 1 IoCs
pid Process 4580 AK47.exe -
resource yara_rule behavioral2/memory/1192-0-0x0000000000400000-0x0000000000760000-memory.dmp vmprotect behavioral2/memory/1192-1-0x0000000000400000-0x0000000000760000-memory.dmp vmprotect behavioral2/files/0x0002000000022ef8-48.dat vmprotect behavioral2/memory/1192-60-0x0000000000400000-0x0000000000760000-memory.dmp vmprotect behavioral2/memory/1192-63-0x0000000000400000-0x0000000000760000-memory.dmp vmprotect behavioral2/memory/1192-66-0x0000000000400000-0x0000000000760000-memory.dmp vmprotect behavioral2/memory/1192-70-0x0000000000400000-0x0000000000760000-memory.dmp vmprotect behavioral2/memory/1192-73-0x0000000000400000-0x0000000000760000-memory.dmp vmprotect behavioral2/memory/1192-76-0x0000000000400000-0x0000000000760000-memory.dmp vmprotect behavioral2/memory/1192-79-0x0000000000400000-0x0000000000760000-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" f5cb5211d894f2c7bcfe5b58b7e36414ed6385e5d609a710a0d9dc0a7d1f527a.exe - Drops file in System32 directory 4 IoCs
description ioc Process File created C:\Windows\SysWOW64\240623953.txt AK47.exe File created C:\Windows\SysWOW64\240623953.txt AK47.exe File created C:\Windows\SysWOW64\Ghiya.exe AK74.exe File opened for modification C:\Windows\SysWOW64\Ghiya.exe AK74.exe -
resource yara_rule behavioral2/memory/3732-25-0x0000000010000000-0x00000000101BA000-memory.dmp upx behavioral2/memory/3732-23-0x0000000010000000-0x00000000101BA000-memory.dmp upx behavioral2/memory/3732-26-0x0000000010000000-0x00000000101BA000-memory.dmp upx behavioral2/memory/796-31-0x0000000010000000-0x00000000101BA000-memory.dmp upx behavioral2/memory/796-33-0x0000000010000000-0x00000000101BA000-memory.dmp upx behavioral2/memory/1636-39-0x0000000010000000-0x00000000101BA000-memory.dmp upx behavioral2/memory/1636-52-0x0000000010000000-0x00000000101BA000-memory.dmp upx behavioral2/memory/1636-56-0x0000000010000000-0x00000000101BA000-memory.dmp upx behavioral2/memory/1636-57-0x0000000010000000-0x00000000101BA000-memory.dmp upx - Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
- Program crash 2 IoCs
pid pid_target Process procid_target 4508 3516 WerFault.exe 84 2104 4580 WerFault.exe 85 - System Location Discovery: System Language Discovery 1 TTPs 8 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 f5cb5211d894f2c7bcfe5b58b7e36414ed6385e5d609a710a0d9dc0a7d1f527a.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language AK47.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language AK47.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 cmd.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language PING.EXE Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language WScript.exe - System Network Configuration Discovery: Internet Connection Discovery 1 TTPs 2 IoCs
Adversaries may check for Internet connectivity on compromised systems.
pid Process 3804 PING.EXE 5104 cmd.exe - Modifies registry class 1 IoCs
description ioc Process Key created \REGISTRY\USER\S-1-5-21-4050598569-1597076380-177084960-1000_Classes\Local Settings f5cb5211d894f2c7bcfe5b58b7e36414ed6385e5d609a710a0d9dc0a7d1f527a.exe - Runs ping.exe 1 TTPs 1 IoCs
pid Process 3804 PING.EXE - Suspicious behavior: EnumeratesProcesses 14 IoCs
pid Process 1192 f5cb5211d894f2c7bcfe5b58b7e36414ed6385e5d609a710a0d9dc0a7d1f527a.exe 1192 f5cb5211d894f2c7bcfe5b58b7e36414ed6385e5d609a710a0d9dc0a7d1f527a.exe 1192 f5cb5211d894f2c7bcfe5b58b7e36414ed6385e5d609a710a0d9dc0a7d1f527a.exe 1192 f5cb5211d894f2c7bcfe5b58b7e36414ed6385e5d609a710a0d9dc0a7d1f527a.exe 1192 f5cb5211d894f2c7bcfe5b58b7e36414ed6385e5d609a710a0d9dc0a7d1f527a.exe 1192 f5cb5211d894f2c7bcfe5b58b7e36414ed6385e5d609a710a0d9dc0a7d1f527a.exe 1192 f5cb5211d894f2c7bcfe5b58b7e36414ed6385e5d609a710a0d9dc0a7d1f527a.exe 1192 f5cb5211d894f2c7bcfe5b58b7e36414ed6385e5d609a710a0d9dc0a7d1f527a.exe 1192 f5cb5211d894f2c7bcfe5b58b7e36414ed6385e5d609a710a0d9dc0a7d1f527a.exe 1192 f5cb5211d894f2c7bcfe5b58b7e36414ed6385e5d609a710a0d9dc0a7d1f527a.exe 1192 f5cb5211d894f2c7bcfe5b58b7e36414ed6385e5d609a710a0d9dc0a7d1f527a.exe 1192 f5cb5211d894f2c7bcfe5b58b7e36414ed6385e5d609a710a0d9dc0a7d1f527a.exe 1192 f5cb5211d894f2c7bcfe5b58b7e36414ed6385e5d609a710a0d9dc0a7d1f527a.exe 1192 f5cb5211d894f2c7bcfe5b58b7e36414ed6385e5d609a710a0d9dc0a7d1f527a.exe - Suspicious behavior: LoadsDriver 1 IoCs
pid Process 1636 Ghiya.exe - Suspicious behavior: RenamesItself 1 IoCs
pid Process 1192 f5cb5211d894f2c7bcfe5b58b7e36414ed6385e5d609a710a0d9dc0a7d1f527a.exe - Suspicious use of AdjustPrivilegeToken 6 IoCs
description pid Process Token: SeIncBasePriorityPrivilege 3732 AK74.exe Token: SeLoadDriverPrivilege 1636 Ghiya.exe Token: 33 1636 Ghiya.exe Token: SeIncBasePriorityPrivilege 1636 Ghiya.exe Token: 33 1636 Ghiya.exe Token: SeIncBasePriorityPrivilege 1636 Ghiya.exe - Suspicious use of SetWindowsHookEx 2 IoCs
pid Process 1192 f5cb5211d894f2c7bcfe5b58b7e36414ed6385e5d609a710a0d9dc0a7d1f527a.exe 1192 f5cb5211d894f2c7bcfe5b58b7e36414ed6385e5d609a710a0d9dc0a7d1f527a.exe - Suspicious use of WriteProcessMemory 21 IoCs
description pid Process procid_target PID 1192 wrote to memory of 3516 1192 f5cb5211d894f2c7bcfe5b58b7e36414ed6385e5d609a710a0d9dc0a7d1f527a.exe 84 PID 1192 wrote to memory of 3516 1192 f5cb5211d894f2c7bcfe5b58b7e36414ed6385e5d609a710a0d9dc0a7d1f527a.exe 84 PID 1192 wrote to memory of 3516 1192 f5cb5211d894f2c7bcfe5b58b7e36414ed6385e5d609a710a0d9dc0a7d1f527a.exe 84 PID 1192 wrote to memory of 4580 1192 f5cb5211d894f2c7bcfe5b58b7e36414ed6385e5d609a710a0d9dc0a7d1f527a.exe 85 PID 1192 wrote to memory of 4580 1192 f5cb5211d894f2c7bcfe5b58b7e36414ed6385e5d609a710a0d9dc0a7d1f527a.exe 85 PID 1192 wrote to memory of 4580 1192 f5cb5211d894f2c7bcfe5b58b7e36414ed6385e5d609a710a0d9dc0a7d1f527a.exe 85 PID 1192 wrote to memory of 3732 1192 f5cb5211d894f2c7bcfe5b58b7e36414ed6385e5d609a710a0d9dc0a7d1f527a.exe 93 PID 1192 wrote to memory of 3732 1192 f5cb5211d894f2c7bcfe5b58b7e36414ed6385e5d609a710a0d9dc0a7d1f527a.exe 93 PID 1192 wrote to memory of 3732 1192 f5cb5211d894f2c7bcfe5b58b7e36414ed6385e5d609a710a0d9dc0a7d1f527a.exe 93 PID 796 wrote to memory of 1636 796 Ghiya.exe 95 PID 796 wrote to memory of 1636 796 Ghiya.exe 95 PID 796 wrote to memory of 1636 796 Ghiya.exe 95 PID 3732 wrote to memory of 5104 3732 AK74.exe 96 PID 3732 wrote to memory of 5104 3732 AK74.exe 96 PID 3732 wrote to memory of 5104 3732 AK74.exe 96 PID 5104 wrote to memory of 3804 5104 cmd.exe 98 PID 5104 wrote to memory of 3804 5104 cmd.exe 98 PID 5104 wrote to memory of 3804 5104 cmd.exe 98 PID 1192 wrote to memory of 2964 1192 f5cb5211d894f2c7bcfe5b58b7e36414ed6385e5d609a710a0d9dc0a7d1f527a.exe 99 PID 1192 wrote to memory of 2964 1192 f5cb5211d894f2c7bcfe5b58b7e36414ed6385e5d609a710a0d9dc0a7d1f527a.exe 99 PID 1192 wrote to memory of 2964 1192 f5cb5211d894f2c7bcfe5b58b7e36414ed6385e5d609a710a0d9dc0a7d1f527a.exe 99
Processes
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C:\Users\Admin\AppData\Local\Temp\f5cb5211d894f2c7bcfe5b58b7e36414ed6385e5d609a710a0d9dc0a7d1f527a.exe"C:\Users\Admin\AppData\Local\Temp\f5cb5211d894f2c7bcfe5b58b7e36414ed6385e5d609a710a0d9dc0a7d1f527a.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:1192 -
C:\Users\Admin\AppData\Local\Temp\AK47.exe"C:\Users\Admin\AppData\Local\Temp\AK47.exe"2⤵
- Executes dropped EXE
- Drops file in System32 directory
- System Location Discovery: System Language Discovery
PID:3516 -
C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 3516 -s 4443⤵
- Program crash
PID:4508
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C:\Users\Admin\AppData\Local\Temp\AK47.exeC:\Users\Admin\AppData\Local\Temp\\AK47.exe2⤵
- Executes dropped EXE
- Loads dropped DLL
- Drops file in System32 directory
- System Location Discovery: System Language Discovery
PID:4580 -
C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 4580 -s 4243⤵
- Program crash
PID:2104
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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:3732 -
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:5104 -
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:3804
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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:2964
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 456 -p 3516 -ip 35161⤵PID:3020
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 452 -p 4580 -ip 45801⤵PID:4012
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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:796 -
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:1636
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Network
MITRE ATT&CK Enterprise v15
Privilege Escalation
Boot or Logon Autostart Execution
2Registry Run Keys / Startup Folder
2Replay Monitor
Loading Replay Monitor...
Downloads
- Path C:\Users\Admin\AppData\Local\Temp\AK47.exe
- Size 91KB
- SHA256 050b4f2d5ae8eaecd414318dc8e222a56f169626da6ca8feb7edd78e8b1f0218
- MD5 423eb994ed553294f8a6813619b8da87
- SHA1 eca6a16ccd13adcfc27bc1041ddef97ec8081255
- SHA512 fab0a9af8031c242c486de373df7277c8b0e39f7a0c9c2ac2e385dbd3ea67be16e91b128287634f76131e5264149ab1b452cd21df4c4895e8c4efc8d8cf99095
- SSDEEP 1536:NkreMb6hxIg9ac5zBj+alf1H9jfbyqkY4ZvoDUb/gJOtJYHB9ElHSah/P6:ebYIiawzBjPp1H9ovoDa/gJaJYHBWZSs
- MD5 SHA1 SHA512 SSDEEP
- Path C:\Users\Admin\AppData\Local\Temp\AK74.exe
- Size 400KB
- SHA256 3080b6bb456564899b0d99d4131bd6a0b284d31f7d80ef773e4872d94048d49a
- MD5 b0998aa7d5071d33daa5b60b9c3c9735
- SHA1 9365a1ff0c6de244d6f36c8d84072cc916665d3c
- SHA512 308c13cda9fea39b980ae686f44afd9090e9cb8970fffc4436320e0d09a31aee5e656914e0121fe888098a14c52749716fa04980396fd6ac70a88c11cbb6b850
- SSDEEP 6144:kSutg448cyV/q/T9yl/128y05cpn7zMpvF3CuFxZrPgfsxRAjXxbClDVC:hutTZV/qb9ylN28aE2GThX8xbB
- MD5 SHA1 SHA512 SSDEEP
- Path C:\Users\Admin\AppData\Roaming\Microsoft\Config.ini
- Size 92B
- SHA256 56225be6838bc6e93ea215891eacf28844ae27a9f8b2b29bf19d3a8c2b1f58df
- MD5 29ce53e2a4a446614ccc8d64d346bde4
- SHA1 39a7aa5cc1124842aa0c25abb16ea94452125cbe
- SHA512 b2c5a2708c427171a5715801f8ea733ffe88d73aaaaf59c5c752ea32cbe7aae8526cc26eabe84ad5043174c0c69b1d6b15a9fb125c15accfac3462d5d08a0faa
- MD5 SHA1 SHA512
- Path C:\Users\Admin\AppData\Roaming\Microsoft\VBS3.vbs
- Size 753B
- SHA256 5f4fbb0a4b084c9075a57768f33942267c591ecbcf7f5842527d882b261e9328
- MD5 ee76a5d699c3634022741bdd9188adf5
- SHA1 d2ef020007b0b93241e5d359423c694cf2f380e9
- SHA512 f20e013c44f33d963fcd27211e4c468ba04b251e159e0eee9b9b18c1d4830e58466cd4444f2e13d5a55572d7e9fa112615c88f1cd28e74cb62e53a1144136cac
- MD5 SHA1 SHA512
- Path C:\Users\Admin\AppData\Roaming\Microsoft\svchcst.exe
- Size 1.2MB
- SHA256 be8f69a76e0823d38b74a4e4b20c9eb17da744df317d2d36465706dbba768e20
- MD5 009585974fd38987aa3ab918a0c0c878
- SHA1 c7393b19ee93eda3acaf1e2fbfe2d55f69c58c96
- SHA512 d7a30b4a231d2a703933e64bfd7d143550602eab322c210f873110223a32a5530a488ebd3eef66e2c5c02038269d0eaabc193a872e34f4ef719ed3a08aa7a006
- SSDEEP 24576:HovxCwgMBqHO5ZdYXOp0nQrXctTfK+d+MrTXowFlw57XYBwJtiG:WIwgMEuy+inDfp3/XoCw57XYBwKG
- MD5 SHA1 SHA512 SSDEEP
- Path C:\Windows\SysWOW64\240623953.txt
- Size 49KB
- SHA256 87db28bb2df92f02ffe92e59908f5a96c9d48631fd8de4172d7cb47b9eb2684c
- MD5 bb98fcf3f94e18f15c6d009c539379b7
- SHA1 d7dcd214d592b8f4404593c39e7b812fe6443ea7
- SHA512 9d9607d3a94e00146fa133affcebb53e0490420e19265be6aec1a63cac92ba007051290d527a3fa454c4c6ac370ba811b5a07e72ee7bcdf90bd2cc9100a0740c
- SSDEEP 1536:CDwMsml26T5zBj+alf1H9jfbyqkY4ZvoDUb/gJO7JYHB9ElHS:Cn7zBjPp1H9ovoDa/gJYJYHBWZS
- MD5 SHA1 SHA512 SSDEEP