Analysis
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max time kernel
132s -
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
18-01-2025 21:57
Behavioral task
behavioral1
Sample
b891caab6710dab43f273d87183d596f0a06c7436fadeb341c12fd5cf9f94aed.exe
Resource
win7-20240903-en
General
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Target
b891caab6710dab43f273d87183d596f0a06c7436fadeb341c12fd5cf9f94aed.exe
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Size
1.2MB
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MD5
c1184f254228290fcb99b9ec3f9a0e71
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SHA1
5bae1939d59baf40456929c46672160751b61046
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SHA256
b891caab6710dab43f273d87183d596f0a06c7436fadeb341c12fd5cf9f94aed
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SHA512
703e82641bf973c9b7780cd68af42e6c01edbe1e374cd3d36853b18b442047e66d7d62b4d284667c4fac6764bb853e832c81e560b3a55808bcbbad853525657f
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SSDEEP
24576:HovxCwgMBqHO5ZdYXOp0nQrXctTfK+d+MrTXowFlw57XYBwJtiq:WIwgMEuy+inDfp3/XoCw57XYBwKq
Malware Config
Signatures
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resource yara_rule behavioral2/memory/184-31-0x0000000010000000-0x00000000101BA000-memory.dmp purplefox_rootkit behavioral2/memory/184-30-0x0000000010000000-0x00000000101BA000-memory.dmp purplefox_rootkit behavioral2/memory/4564-38-0x0000000010000000-0x00000000101BA000-memory.dmp purplefox_rootkit behavioral2/memory/4564-39-0x0000000010000000-0x00000000101BA000-memory.dmp purplefox_rootkit behavioral2/memory/3032-45-0x0000000010000000-0x00000000101BA000-memory.dmp purplefox_rootkit behavioral2/memory/3032-49-0x0000000010000000-0x00000000101BA000-memory.dmp purplefox_rootkit behavioral2/memory/3032-54-0x0000000010000000-0x00000000101BA000-memory.dmp purplefox_rootkit -
Gh0st RAT payload 8 IoCs
resource yara_rule behavioral2/files/0x000a000000023b90-17.dat family_gh0strat behavioral2/memory/184-31-0x0000000010000000-0x00000000101BA000-memory.dmp family_gh0strat behavioral2/memory/184-30-0x0000000010000000-0x00000000101BA000-memory.dmp family_gh0strat behavioral2/memory/4564-38-0x0000000010000000-0x00000000101BA000-memory.dmp family_gh0strat behavioral2/memory/4564-39-0x0000000010000000-0x00000000101BA000-memory.dmp family_gh0strat behavioral2/memory/3032-45-0x0000000010000000-0x00000000101BA000-memory.dmp family_gh0strat behavioral2/memory/3032-49-0x0000000010000000-0x00000000101BA000-memory.dmp family_gh0strat behavioral2/memory/3032-54-0x0000000010000000-0x00000000101BA000-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 1 IoCs
description ioc Process Set value (str) \REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\Ö÷¶¯·ÀÓù·þÎñÄ£¿é\Parameters\ServiceDll = "C:\\Windows\\system32\\240630265.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-1-5-21-2045521122-590294423-3465680274-1000\Control Panel\International\Geo\Nation b891caab6710dab43f273d87183d596f0a06c7436fadeb341c12fd5cf9f94aed.exe -
Drops startup file 1 IoCs
description ioc Process File created C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\win.lnk b891caab6710dab43f273d87183d596f0a06c7436fadeb341c12fd5cf9f94aed.exe -
Executes dropped EXE 6 IoCs
pid Process 2160 AK47.exe 1588 AK47.exe 184 AK74.exe 4564 Ghiya.exe 3032 Ghiya.exe 4956 Ö÷¶¯·ÀÓù·þÎñÄ£¿é.exe -
Loads dropped DLL 3 IoCs
pid Process 1588 AK47.exe 676 svchost.exe 4956 Ö÷¶¯·ÀÓù·þÎñÄ£¿é.exe -
resource yara_rule behavioral2/memory/2012-0-0x0000000000400000-0x0000000000760000-memory.dmp vmprotect behavioral2/memory/2012-1-0x0000000000400000-0x0000000000760000-memory.dmp vmprotect behavioral2/files/0x0008000000023ba9-61.dat vmprotect behavioral2/memory/2012-70-0x0000000000400000-0x0000000000760000-memory.dmp vmprotect behavioral2/memory/2012-73-0x0000000000400000-0x0000000000760000-memory.dmp vmprotect behavioral2/memory/2012-76-0x0000000000400000-0x0000000000760000-memory.dmp vmprotect behavioral2/memory/2012-80-0x0000000000400000-0x0000000000760000-memory.dmp vmprotect behavioral2/memory/2012-83-0x0000000000400000-0x0000000000760000-memory.dmp vmprotect behavioral2/memory/2012-86-0x0000000000400000-0x0000000000760000-memory.dmp vmprotect behavioral2/memory/2012-90-0x0000000000400000-0x0000000000760000-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" b891caab6710dab43f273d87183d596f0a06c7436fadeb341c12fd5cf9f94aed.exe -
Drops file in System32 directory 7 IoCs
description ioc Process 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\240630265.txt AK47.exe File created C:\Windows\SysWOW64\240630265.txt 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 -
resource yara_rule behavioral2/memory/184-28-0x0000000010000000-0x00000000101BA000-memory.dmp upx behavioral2/memory/184-31-0x0000000010000000-0x00000000101BA000-memory.dmp upx behavioral2/memory/184-30-0x0000000010000000-0x00000000101BA000-memory.dmp upx behavioral2/memory/4564-38-0x0000000010000000-0x00000000101BA000-memory.dmp upx behavioral2/memory/4564-39-0x0000000010000000-0x00000000101BA000-memory.dmp upx behavioral2/memory/4564-36-0x0000000010000000-0x00000000101BA000-memory.dmp upx behavioral2/memory/3032-45-0x0000000010000000-0x00000000101BA000-memory.dmp upx behavioral2/memory/3032-49-0x0000000010000000-0x00000000101BA000-memory.dmp upx behavioral2/memory/3032-54-0x0000000010000000-0x00000000101BA000-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 11 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 b891caab6710dab43f273d87183d596f0a06c7436fadeb341c12fd5cf9f94aed.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language AK47.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language Ghiya.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language PING.EXE Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language WScript.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language WScript.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language Ö÷¶¯·ÀÓù·þÎñÄ£¿é.exe 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 cmd.exe -
System Network Configuration Discovery: Internet Connection Discovery 1 TTPs 2 IoCs
Adversaries may check for Internet connectivity on compromised systems.
pid Process 4556 PING.EXE 4052 cmd.exe -
Modifies registry class 1 IoCs
description ioc Process Key created \REGISTRY\USER\S-1-5-21-2045521122-590294423-3465680274-1000_Classes\Local Settings b891caab6710dab43f273d87183d596f0a06c7436fadeb341c12fd5cf9f94aed.exe -
Runs ping.exe 1 TTPs 1 IoCs
pid Process 4556 PING.EXE -
Suspicious behavior: EnumeratesProcesses 16 IoCs
pid Process 2012 b891caab6710dab43f273d87183d596f0a06c7436fadeb341c12fd5cf9f94aed.exe 2012 b891caab6710dab43f273d87183d596f0a06c7436fadeb341c12fd5cf9f94aed.exe 2012 b891caab6710dab43f273d87183d596f0a06c7436fadeb341c12fd5cf9f94aed.exe 2012 b891caab6710dab43f273d87183d596f0a06c7436fadeb341c12fd5cf9f94aed.exe 2012 b891caab6710dab43f273d87183d596f0a06c7436fadeb341c12fd5cf9f94aed.exe 2012 b891caab6710dab43f273d87183d596f0a06c7436fadeb341c12fd5cf9f94aed.exe 2012 b891caab6710dab43f273d87183d596f0a06c7436fadeb341c12fd5cf9f94aed.exe 2012 b891caab6710dab43f273d87183d596f0a06c7436fadeb341c12fd5cf9f94aed.exe 2012 b891caab6710dab43f273d87183d596f0a06c7436fadeb341c12fd5cf9f94aed.exe 2012 b891caab6710dab43f273d87183d596f0a06c7436fadeb341c12fd5cf9f94aed.exe 2012 b891caab6710dab43f273d87183d596f0a06c7436fadeb341c12fd5cf9f94aed.exe 2012 b891caab6710dab43f273d87183d596f0a06c7436fadeb341c12fd5cf9f94aed.exe 2012 b891caab6710dab43f273d87183d596f0a06c7436fadeb341c12fd5cf9f94aed.exe 2012 b891caab6710dab43f273d87183d596f0a06c7436fadeb341c12fd5cf9f94aed.exe 2012 b891caab6710dab43f273d87183d596f0a06c7436fadeb341c12fd5cf9f94aed.exe 2012 b891caab6710dab43f273d87183d596f0a06c7436fadeb341c12fd5cf9f94aed.exe -
Suspicious behavior: LoadsDriver 1 IoCs
pid Process 3032 Ghiya.exe -
Suspicious behavior: RenamesItself 1 IoCs
pid Process 2012 b891caab6710dab43f273d87183d596f0a06c7436fadeb341c12fd5cf9f94aed.exe -
Suspicious use of AdjustPrivilegeToken 6 IoCs
description pid Process Token: SeIncBasePriorityPrivilege 184 AK74.exe Token: SeLoadDriverPrivilege 3032 Ghiya.exe Token: 33 3032 Ghiya.exe Token: SeIncBasePriorityPrivilege 3032 Ghiya.exe Token: 33 3032 Ghiya.exe Token: SeIncBasePriorityPrivilege 3032 Ghiya.exe -
Suspicious use of SetWindowsHookEx 2 IoCs
pid Process 2012 b891caab6710dab43f273d87183d596f0a06c7436fadeb341c12fd5cf9f94aed.exe 2012 b891caab6710dab43f273d87183d596f0a06c7436fadeb341c12fd5cf9f94aed.exe -
Suspicious use of WriteProcessMemory 27 IoCs
description pid Process procid_target PID 2012 wrote to memory of 2160 2012 b891caab6710dab43f273d87183d596f0a06c7436fadeb341c12fd5cf9f94aed.exe 83 PID 2012 wrote to memory of 2160 2012 b891caab6710dab43f273d87183d596f0a06c7436fadeb341c12fd5cf9f94aed.exe 83 PID 2012 wrote to memory of 2160 2012 b891caab6710dab43f273d87183d596f0a06c7436fadeb341c12fd5cf9f94aed.exe 83 PID 2012 wrote to memory of 1588 2012 b891caab6710dab43f273d87183d596f0a06c7436fadeb341c12fd5cf9f94aed.exe 84 PID 2012 wrote to memory of 1588 2012 b891caab6710dab43f273d87183d596f0a06c7436fadeb341c12fd5cf9f94aed.exe 84 PID 2012 wrote to memory of 1588 2012 b891caab6710dab43f273d87183d596f0a06c7436fadeb341c12fd5cf9f94aed.exe 84 PID 2012 wrote to memory of 184 2012 b891caab6710dab43f273d87183d596f0a06c7436fadeb341c12fd5cf9f94aed.exe 87 PID 2012 wrote to memory of 184 2012 b891caab6710dab43f273d87183d596f0a06c7436fadeb341c12fd5cf9f94aed.exe 87 PID 2012 wrote to memory of 184 2012 b891caab6710dab43f273d87183d596f0a06c7436fadeb341c12fd5cf9f94aed.exe 87 PID 184 wrote to memory of 4052 184 AK74.exe 89 PID 184 wrote to memory of 4052 184 AK74.exe 89 PID 184 wrote to memory of 4052 184 AK74.exe 89 PID 4564 wrote to memory of 3032 4564 Ghiya.exe 90 PID 4564 wrote to memory of 3032 4564 Ghiya.exe 90 PID 4564 wrote to memory of 3032 4564 Ghiya.exe 90 PID 4052 wrote to memory of 4556 4052 cmd.exe 92 PID 4052 wrote to memory of 4556 4052 cmd.exe 92 PID 4052 wrote to memory of 4556 4052 cmd.exe 92 PID 2012 wrote to memory of 4216 2012 b891caab6710dab43f273d87183d596f0a06c7436fadeb341c12fd5cf9f94aed.exe 94 PID 2012 wrote to memory of 4216 2012 b891caab6710dab43f273d87183d596f0a06c7436fadeb341c12fd5cf9f94aed.exe 94 PID 2012 wrote to memory of 4216 2012 b891caab6710dab43f273d87183d596f0a06c7436fadeb341c12fd5cf9f94aed.exe 94 PID 2012 wrote to memory of 3668 2012 b891caab6710dab43f273d87183d596f0a06c7436fadeb341c12fd5cf9f94aed.exe 93 PID 2012 wrote to memory of 3668 2012 b891caab6710dab43f273d87183d596f0a06c7436fadeb341c12fd5cf9f94aed.exe 93 PID 2012 wrote to memory of 3668 2012 b891caab6710dab43f273d87183d596f0a06c7436fadeb341c12fd5cf9f94aed.exe 93 PID 676 wrote to memory of 4956 676 svchost.exe 96 PID 676 wrote to memory of 4956 676 svchost.exe 96 PID 676 wrote to memory of 4956 676 svchost.exe 96
Processes
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C:\Users\Admin\AppData\Local\Temp\b891caab6710dab43f273d87183d596f0a06c7436fadeb341c12fd5cf9f94aed.exe"C:\Users\Admin\AppData\Local\Temp\b891caab6710dab43f273d87183d596f0a06c7436fadeb341c12fd5cf9f94aed.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:2012 -
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:2160
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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:1588
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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:184 -
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:4052 -
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:4556
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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:3668
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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:4216
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C:\Windows\SysWOW64\svchost.exeC:\Windows\SysWOW64\svchost.exe -k "Ö÷¶¯·ÀÓù·þÎñÄ£¿é"1⤵PID:3844
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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:676 -
C:\Windows\SysWOW64\Ö÷¶¯·ÀÓù·þÎñÄ£¿é.exeC:\Windows\system32\Ö÷¶¯·ÀÓù·þÎñÄ£¿é.exe "c:\windows\system32\240630265.txt",MainThread2⤵
- Executes dropped EXE
- Loads dropped DLL
- System Location Discovery: System Language Discovery
PID:4956
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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:4564 -
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:3032
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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
MD55979d0875d468afa84cb9b5a895d83ed
SHA16000852873e511fb73b261384d0f9deedfdc39f6
SHA256406cb79c7adcb60b2cd57ae3c736445ce59c5b7bf77e7d5bc8a4a92258724c7d
SHA512d5f22d7a0efd65c5e56b2dfcd4986e4a6bed18461f55f27020739abcd8b968f3a9435723a0a47ed294bf11700b3fd195b28c0ef16af867f7defd0e5f2d85ce9b
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Filesize
1.2MB
MD51c98b1e75f036416a3e945e0cb45dbe5
SHA15f2e2d776f53faa071179690f390db4984c4eabe
SHA256c58a332ffde2ca5344cdf1d4d926b2483c7a63c0b629140c9ca9939fbb750741
SHA512a9f664cd601c9655d93fd1edd042f6f78f4d07881741efead311c229f11793f3b59dada2e475e144b688c3c5d6803283a0b2c03e467b7d93d1dbf8490880808a
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Filesize
49KB
MD50dcd721cafd686028ac00b2feab38d5c
SHA1a40ad5954670c4e2dbe8347ad17f050c54e77d4c
SHA256d3e62956f816a8e03e2c46f3b4c424f40b49e7c0bdba5a4841f41463634b9bbe
SHA5126dcb69eb2825c0eeddcccd1c8ab6c9943367ded6f5d1f389b28552dd155ea6782b235ba1c6387655dc03bf87460bf38e948f3601552071686e27d02b7ddb6efa
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Filesize
60KB
MD5889b99c52a60dd49227c5e485a016679
SHA18fa889e456aa646a4d0a4349977430ce5fa5e2d7
SHA2566cbe0e1f046b13b29bfa26f8b368281d2dda7eb9b718651d5856f22cc3e02910
SHA51208933106eaf338dd119c45cbf1f83e723aff77cc0f8d3fc84e36253b1eb31557a54211d1d5d1cb58958188e32064d451f6c66a24b3963cccd3de07299ab90641