Analysis
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max time kernel
117s -
max time network
152s -
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 21:50
Behavioral task
behavioral1
Sample
b891caab6710dab43f273d87183d596f0a06c7436fadeb341c12fd5cf9f94aed.exe
Resource
win7-20241010-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/4680-31-0x0000000010000000-0x00000000101BA000-memory.dmp purplefox_rootkit behavioral2/memory/4680-30-0x0000000010000000-0x00000000101BA000-memory.dmp purplefox_rootkit behavioral2/memory/4556-39-0x0000000010000000-0x00000000101BA000-memory.dmp purplefox_rootkit behavioral2/memory/4556-38-0x0000000010000000-0x00000000101BA000-memory.dmp purplefox_rootkit behavioral2/memory/968-45-0x0000000010000000-0x00000000101BA000-memory.dmp purplefox_rootkit behavioral2/memory/968-47-0x0000000010000000-0x00000000101BA000-memory.dmp purplefox_rootkit behavioral2/memory/968-54-0x0000000010000000-0x00000000101BA000-memory.dmp purplefox_rootkit -
Gh0st RAT payload 8 IoCs
resource yara_rule behavioral2/files/0x0007000000023c63-17.dat family_gh0strat behavioral2/memory/4680-31-0x0000000010000000-0x00000000101BA000-memory.dmp family_gh0strat behavioral2/memory/4680-30-0x0000000010000000-0x00000000101BA000-memory.dmp family_gh0strat behavioral2/memory/4556-39-0x0000000010000000-0x00000000101BA000-memory.dmp family_gh0strat behavioral2/memory/4556-38-0x0000000010000000-0x00000000101BA000-memory.dmp family_gh0strat behavioral2/memory/968-45-0x0000000010000000-0x00000000101BA000-memory.dmp family_gh0strat behavioral2/memory/968-47-0x0000000010000000-0x00000000101BA000-memory.dmp family_gh0strat behavioral2/memory/968-54-0x0000000010000000-0x00000000101BA000-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\\240628437.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-1-5-21-3227495264-2217614367-4027411560-1000\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 1880 AK47.exe 1060 AK47.exe 4680 AK74.exe 4556 Ghiya.exe 968 Ghiya.exe 2228 Ö÷¶¯·ÀÓù·þÎñÄ£¿é.exe -
Loads dropped DLL 3 IoCs
pid Process 1060 AK47.exe 1764 svchost.exe 2228 Ö÷¶¯·ÀÓù·þÎñÄ£¿é.exe -
resource yara_rule behavioral2/memory/2168-0-0x0000000000400000-0x0000000000760000-memory.dmp vmprotect behavioral2/memory/2168-1-0x0000000000400000-0x0000000000760000-memory.dmp vmprotect behavioral2/files/0x0007000000023c69-61.dat vmprotect behavioral2/memory/2168-71-0x0000000000400000-0x0000000000760000-memory.dmp vmprotect behavioral2/memory/2168-74-0x0000000000400000-0x0000000000760000-memory.dmp vmprotect behavioral2/memory/2168-77-0x0000000000400000-0x0000000000760000-memory.dmp vmprotect behavioral2/memory/2168-81-0x0000000000400000-0x0000000000760000-memory.dmp vmprotect behavioral2/memory/2168-84-0x0000000000400000-0x0000000000760000-memory.dmp vmprotect behavioral2/memory/2168-87-0x0000000000400000-0x0000000000760000-memory.dmp vmprotect behavioral2/memory/2168-90-0x0000000000400000-0x0000000000760000-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\240628437.txt AK47.exe File created C:\Windows\SysWOW64\240628437.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/4680-28-0x0000000010000000-0x00000000101BA000-memory.dmp upx behavioral2/memory/4680-31-0x0000000010000000-0x00000000101BA000-memory.dmp upx behavioral2/memory/4680-30-0x0000000010000000-0x00000000101BA000-memory.dmp upx behavioral2/memory/4556-39-0x0000000010000000-0x00000000101BA000-memory.dmp upx behavioral2/memory/4556-38-0x0000000010000000-0x00000000101BA000-memory.dmp upx behavioral2/memory/4556-37-0x0000000010000000-0x00000000101BA000-memory.dmp upx behavioral2/memory/968-45-0x0000000010000000-0x00000000101BA000-memory.dmp upx behavioral2/memory/968-47-0x0000000010000000-0x00000000101BA000-memory.dmp upx behavioral2/memory/968-54-0x0000000010000000-0x00000000101BA000-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 AK74.exe 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 svchost.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 Ghiya.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 4956 cmd.exe 4880 PING.EXE -
Modifies registry class 1 IoCs
description ioc Process Key created \REGISTRY\USER\S-1-5-21-3227495264-2217614367-4027411560-1000_Classes\Local Settings b891caab6710dab43f273d87183d596f0a06c7436fadeb341c12fd5cf9f94aed.exe -
Runs ping.exe 1 TTPs 1 IoCs
pid Process 4880 PING.EXE -
Suspicious behavior: EnumeratesProcesses 14 IoCs
pid Process 2168 b891caab6710dab43f273d87183d596f0a06c7436fadeb341c12fd5cf9f94aed.exe 2168 b891caab6710dab43f273d87183d596f0a06c7436fadeb341c12fd5cf9f94aed.exe 2168 b891caab6710dab43f273d87183d596f0a06c7436fadeb341c12fd5cf9f94aed.exe 2168 b891caab6710dab43f273d87183d596f0a06c7436fadeb341c12fd5cf9f94aed.exe 2168 b891caab6710dab43f273d87183d596f0a06c7436fadeb341c12fd5cf9f94aed.exe 2168 b891caab6710dab43f273d87183d596f0a06c7436fadeb341c12fd5cf9f94aed.exe 2168 b891caab6710dab43f273d87183d596f0a06c7436fadeb341c12fd5cf9f94aed.exe 2168 b891caab6710dab43f273d87183d596f0a06c7436fadeb341c12fd5cf9f94aed.exe 2168 b891caab6710dab43f273d87183d596f0a06c7436fadeb341c12fd5cf9f94aed.exe 2168 b891caab6710dab43f273d87183d596f0a06c7436fadeb341c12fd5cf9f94aed.exe 2168 b891caab6710dab43f273d87183d596f0a06c7436fadeb341c12fd5cf9f94aed.exe 2168 b891caab6710dab43f273d87183d596f0a06c7436fadeb341c12fd5cf9f94aed.exe 2168 b891caab6710dab43f273d87183d596f0a06c7436fadeb341c12fd5cf9f94aed.exe 2168 b891caab6710dab43f273d87183d596f0a06c7436fadeb341c12fd5cf9f94aed.exe -
Suspicious behavior: LoadsDriver 1 IoCs
pid Process 968 Ghiya.exe -
Suspicious behavior: RenamesItself 1 IoCs
pid Process 2168 b891caab6710dab43f273d87183d596f0a06c7436fadeb341c12fd5cf9f94aed.exe -
Suspicious use of AdjustPrivilegeToken 4 IoCs
description pid Process Token: SeIncBasePriorityPrivilege 4680 AK74.exe Token: SeLoadDriverPrivilege 968 Ghiya.exe Token: 33 968 Ghiya.exe Token: SeIncBasePriorityPrivilege 968 Ghiya.exe -
Suspicious use of SetWindowsHookEx 2 IoCs
pid Process 2168 b891caab6710dab43f273d87183d596f0a06c7436fadeb341c12fd5cf9f94aed.exe 2168 b891caab6710dab43f273d87183d596f0a06c7436fadeb341c12fd5cf9f94aed.exe -
Suspicious use of WriteProcessMemory 27 IoCs
description pid Process procid_target PID 2168 wrote to memory of 1880 2168 b891caab6710dab43f273d87183d596f0a06c7436fadeb341c12fd5cf9f94aed.exe 82 PID 2168 wrote to memory of 1880 2168 b891caab6710dab43f273d87183d596f0a06c7436fadeb341c12fd5cf9f94aed.exe 82 PID 2168 wrote to memory of 1880 2168 b891caab6710dab43f273d87183d596f0a06c7436fadeb341c12fd5cf9f94aed.exe 82 PID 2168 wrote to memory of 1060 2168 b891caab6710dab43f273d87183d596f0a06c7436fadeb341c12fd5cf9f94aed.exe 83 PID 2168 wrote to memory of 1060 2168 b891caab6710dab43f273d87183d596f0a06c7436fadeb341c12fd5cf9f94aed.exe 83 PID 2168 wrote to memory of 1060 2168 b891caab6710dab43f273d87183d596f0a06c7436fadeb341c12fd5cf9f94aed.exe 83 PID 2168 wrote to memory of 4680 2168 b891caab6710dab43f273d87183d596f0a06c7436fadeb341c12fd5cf9f94aed.exe 86 PID 2168 wrote to memory of 4680 2168 b891caab6710dab43f273d87183d596f0a06c7436fadeb341c12fd5cf9f94aed.exe 86 PID 2168 wrote to memory of 4680 2168 b891caab6710dab43f273d87183d596f0a06c7436fadeb341c12fd5cf9f94aed.exe 86 PID 4556 wrote to memory of 968 4556 Ghiya.exe 88 PID 4556 wrote to memory of 968 4556 Ghiya.exe 88 PID 4556 wrote to memory of 968 4556 Ghiya.exe 88 PID 4680 wrote to memory of 4956 4680 AK74.exe 89 PID 4680 wrote to memory of 4956 4680 AK74.exe 89 PID 4680 wrote to memory of 4956 4680 AK74.exe 89 PID 4956 wrote to memory of 4880 4956 cmd.exe 91 PID 4956 wrote to memory of 4880 4956 cmd.exe 91 PID 4956 wrote to memory of 4880 4956 cmd.exe 91 PID 2168 wrote to memory of 2744 2168 b891caab6710dab43f273d87183d596f0a06c7436fadeb341c12fd5cf9f94aed.exe 93 PID 2168 wrote to memory of 2744 2168 b891caab6710dab43f273d87183d596f0a06c7436fadeb341c12fd5cf9f94aed.exe 93 PID 2168 wrote to memory of 2744 2168 b891caab6710dab43f273d87183d596f0a06c7436fadeb341c12fd5cf9f94aed.exe 93 PID 2168 wrote to memory of 1840 2168 b891caab6710dab43f273d87183d596f0a06c7436fadeb341c12fd5cf9f94aed.exe 92 PID 2168 wrote to memory of 1840 2168 b891caab6710dab43f273d87183d596f0a06c7436fadeb341c12fd5cf9f94aed.exe 92 PID 2168 wrote to memory of 1840 2168 b891caab6710dab43f273d87183d596f0a06c7436fadeb341c12fd5cf9f94aed.exe 92 PID 1764 wrote to memory of 2228 1764 svchost.exe 95 PID 1764 wrote to memory of 2228 1764 svchost.exe 95 PID 1764 wrote to memory of 2228 1764 svchost.exe 95
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:2168 -
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:1880
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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:1060
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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:4680 -
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:4956 -
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:4880
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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:1840
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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:2744
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C:\Windows\SysWOW64\svchost.exeC:\Windows\SysWOW64\svchost.exe -k "Ö÷¶¯·ÀÓù·þÎñÄ£¿é"1⤵PID:4104
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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:1764 -
C:\Windows\SysWOW64\Ö÷¶¯·ÀÓù·þÎñÄ£¿é.exeC:\Windows\system32\Ö÷¶¯·ÀÓù·þÎñÄ£¿é.exe "c:\windows\system32\240628437.txt",MainThread2⤵
- Executes dropped EXE
- Loads dropped DLL
- System Location Discovery: System Language Discovery
PID:2228
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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:4556 -
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:968
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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
MD50e84333f912919940e34396db7d63710
SHA1ba383530a9eca946ae77333193fa318c2248f5ad
SHA2567d8219b00bc8f3ea3302221373734b8d61f53e53d4e0b36b86c1696f4e1daa46
SHA5124d5c4b6c37d9d0fe5308357893ead79942663dde1d5ab9d68631e3d934ae536c9c2dd530481a9aec8daa20b391e06b2563f417c8fda892f7f40178b39b64e9fa
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Filesize
1.2MB
MD5dd45ef01e3903a6549dacc415a49e2b4
SHA10a1f26c35c107c3fb90368f75b7e24c1de7886ea
SHA25643d53149fca1649144a9fdb675e7983324573c3f1598bb92ccf2a70a9f877e74
SHA51210bfdc936ccb4304cf3f5e4ea911ec55b0c4f62ff9e8b9adedbbc213b94948e723a7be622430316df12f4e565d7a6b613d21c9f15d9ac5453aad3bfe808fe91f
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Filesize
49KB
MD5b77381f36348cf7288d9d07be37cba53
SHA1bc984c71409a66d54d361ab06581337bc9f8feb1
SHA25609c0c2faecb1e71c85b57fe5dd24bef8c45578e290c6df13dc4c7e801d19cbe4
SHA512a6643085127de133b53b998662c6ce7d173ceb0bac636b66a85bfe76f80e7f93c9c91645a676016958e3a94bb5268e9a21f1a3b605156649ddc905dcbd580a1e
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Filesize
60KB
MD5889b99c52a60dd49227c5e485a016679
SHA18fa889e456aa646a4d0a4349977430ce5fa5e2d7
SHA2566cbe0e1f046b13b29bfa26f8b368281d2dda7eb9b718651d5856f22cc3e02910
SHA51208933106eaf338dd119c45cbf1f83e723aff77cc0f8d3fc84e36253b1eb31557a54211d1d5d1cb58958188e32064d451f6c66a24b3963cccd3de07299ab90641