Analysis
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max time kernel
120s -
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
02-01-2025 19:21
Behavioral task
behavioral1
Sample
c91f486a880c0f8a8931fe5036c0c121b5520f8b22a0ac7d5213c3d6073030cd.exe
Resource
win7-20240903-en
General
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Target
c91f486a880c0f8a8931fe5036c0c121b5520f8b22a0ac7d5213c3d6073030cd.exe
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Size
1.2MB
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MD5
5e7a0abb34b957b19d63634ca579d98b
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SHA1
ce667c29452e10f7dbd211667896be475a3cbac4
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SHA256
c91f486a880c0f8a8931fe5036c0c121b5520f8b22a0ac7d5213c3d6073030cd
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SHA512
15094d79a75f7d560b769c2e8ca261dc3d8774dfe77280785d0e87bdbe8c5a3ffc7bb8923d5b7748bbe49c7cb20bc1e31b04cdf4ad88938113746586568bfe39
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SSDEEP
24576:HovxCwgMBqHO5ZdYXOp0nQrXctTfK+d+MrTXowFlw57XYBwJtiz:WIwgMEuy+inDfp3/XoCw57XYBwKz
Malware Config
Signatures
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resource yara_rule behavioral2/memory/4180-31-0x0000000010000000-0x00000000101BA000-memory.dmp purplefox_rootkit behavioral2/memory/4180-30-0x0000000010000000-0x00000000101BA000-memory.dmp purplefox_rootkit behavioral2/memory/664-39-0x0000000010000000-0x00000000101BA000-memory.dmp purplefox_rootkit behavioral2/memory/664-38-0x0000000010000000-0x00000000101BA000-memory.dmp purplefox_rootkit behavioral2/memory/668-49-0x0000000010000000-0x00000000101BA000-memory.dmp purplefox_rootkit behavioral2/memory/668-53-0x0000000010000000-0x00000000101BA000-memory.dmp purplefox_rootkit behavioral2/memory/668-54-0x0000000010000000-0x00000000101BA000-memory.dmp purplefox_rootkit -
Gh0st RAT payload 8 IoCs
resource yara_rule behavioral2/files/0x0008000000023c9a-17.dat family_gh0strat behavioral2/memory/4180-31-0x0000000010000000-0x00000000101BA000-memory.dmp family_gh0strat behavioral2/memory/4180-30-0x0000000010000000-0x00000000101BA000-memory.dmp family_gh0strat behavioral2/memory/664-39-0x0000000010000000-0x00000000101BA000-memory.dmp family_gh0strat behavioral2/memory/664-38-0x0000000010000000-0x00000000101BA000-memory.dmp family_gh0strat behavioral2/memory/668-49-0x0000000010000000-0x00000000101BA000-memory.dmp family_gh0strat behavioral2/memory/668-53-0x0000000010000000-0x00000000101BA000-memory.dmp family_gh0strat behavioral2/memory/668-54-0x0000000010000000-0x00000000101BA000-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\\240623843.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-1-5-21-2878641211-696417878-3864914810-1000\Control Panel\International\Geo\Nation c91f486a880c0f8a8931fe5036c0c121b5520f8b22a0ac7d5213c3d6073030cd.exe -
Drops startup file 1 IoCs
description ioc Process File created C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\win.lnk c91f486a880c0f8a8931fe5036c0c121b5520f8b22a0ac7d5213c3d6073030cd.exe -
Executes dropped EXE 6 IoCs
pid Process 4288 AK47.exe 5072 AK47.exe 4180 AK74.exe 664 Ghiya.exe 668 Ghiya.exe 1956 Ö÷¶¯·ÀÓù·þÎñÄ£¿é.exe -
Loads dropped DLL 3 IoCs
pid Process 5072 AK47.exe 1156 svchost.exe 1956 Ö÷¶¯·ÀÓù·þÎñÄ£¿é.exe -
resource yara_rule behavioral2/memory/4128-0-0x0000000000400000-0x0000000000760000-memory.dmp vmprotect behavioral2/memory/4128-1-0x0000000000400000-0x0000000000760000-memory.dmp vmprotect behavioral2/files/0x0007000000023ca2-61.dat vmprotect behavioral2/memory/4128-70-0x0000000000400000-0x0000000000760000-memory.dmp vmprotect behavioral2/memory/4128-73-0x0000000000400000-0x0000000000760000-memory.dmp vmprotect behavioral2/memory/4128-76-0x0000000000400000-0x0000000000760000-memory.dmp vmprotect behavioral2/memory/4128-80-0x0000000000400000-0x0000000000760000-memory.dmp vmprotect behavioral2/memory/4128-83-0x0000000000400000-0x0000000000760000-memory.dmp vmprotect behavioral2/memory/4128-86-0x0000000000400000-0x0000000000760000-memory.dmp vmprotect behavioral2/memory/4128-89-0x0000000000400000-0x0000000000760000-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" c91f486a880c0f8a8931fe5036c0c121b5520f8b22a0ac7d5213c3d6073030cd.exe -
Drops file in System32 directory 7 IoCs
description ioc Process File opened for modification C:\Windows\SysWOW64\Ghiya.exe AK74.exe File created C:\Windows\SysWOW64\240623843.txt AK47.exe File created C:\Windows\SysWOW64\240623843.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 File opened for modification C:\Windows\SysWOW64\Ö÷¶¯·ÀÓù·þÎñÄ£¿é.exe svchost.exe File created C:\Windows\SysWOW64\Ghiya.exe AK74.exe -
resource yara_rule behavioral2/memory/4180-28-0x0000000010000000-0x00000000101BA000-memory.dmp upx behavioral2/memory/4180-31-0x0000000010000000-0x00000000101BA000-memory.dmp upx behavioral2/memory/4180-30-0x0000000010000000-0x00000000101BA000-memory.dmp upx behavioral2/memory/664-39-0x0000000010000000-0x00000000101BA000-memory.dmp upx behavioral2/memory/664-38-0x0000000010000000-0x00000000101BA000-memory.dmp upx behavioral2/memory/664-36-0x0000000010000000-0x00000000101BA000-memory.dmp upx behavioral2/memory/668-49-0x0000000010000000-0x00000000101BA000-memory.dmp upx behavioral2/memory/668-53-0x0000000010000000-0x00000000101BA000-memory.dmp upx behavioral2/memory/668-54-0x0000000010000000-0x00000000101BA000-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 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 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 WScript.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language WScript.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language c91f486a880c0f8a8931fe5036c0c121b5520f8b22a0ac7d5213c3d6073030cd.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language AK47.exe -
System Network Configuration Discovery: Internet Connection Discovery 1 TTPs 2 IoCs
Adversaries may check for Internet connectivity on compromised systems.
pid Process 4540 PING.EXE 556 cmd.exe -
Modifies registry class 1 IoCs
description ioc Process Key created \REGISTRY\USER\S-1-5-21-2878641211-696417878-3864914810-1000_Classes\Local Settings c91f486a880c0f8a8931fe5036c0c121b5520f8b22a0ac7d5213c3d6073030cd.exe -
Runs ping.exe 1 TTPs 1 IoCs
pid Process 4540 PING.EXE -
Suspicious behavior: EnumeratesProcesses 14 IoCs
pid Process 4128 c91f486a880c0f8a8931fe5036c0c121b5520f8b22a0ac7d5213c3d6073030cd.exe 4128 c91f486a880c0f8a8931fe5036c0c121b5520f8b22a0ac7d5213c3d6073030cd.exe 4128 c91f486a880c0f8a8931fe5036c0c121b5520f8b22a0ac7d5213c3d6073030cd.exe 4128 c91f486a880c0f8a8931fe5036c0c121b5520f8b22a0ac7d5213c3d6073030cd.exe 4128 c91f486a880c0f8a8931fe5036c0c121b5520f8b22a0ac7d5213c3d6073030cd.exe 4128 c91f486a880c0f8a8931fe5036c0c121b5520f8b22a0ac7d5213c3d6073030cd.exe 4128 c91f486a880c0f8a8931fe5036c0c121b5520f8b22a0ac7d5213c3d6073030cd.exe 4128 c91f486a880c0f8a8931fe5036c0c121b5520f8b22a0ac7d5213c3d6073030cd.exe 4128 c91f486a880c0f8a8931fe5036c0c121b5520f8b22a0ac7d5213c3d6073030cd.exe 4128 c91f486a880c0f8a8931fe5036c0c121b5520f8b22a0ac7d5213c3d6073030cd.exe 4128 c91f486a880c0f8a8931fe5036c0c121b5520f8b22a0ac7d5213c3d6073030cd.exe 4128 c91f486a880c0f8a8931fe5036c0c121b5520f8b22a0ac7d5213c3d6073030cd.exe 4128 c91f486a880c0f8a8931fe5036c0c121b5520f8b22a0ac7d5213c3d6073030cd.exe 4128 c91f486a880c0f8a8931fe5036c0c121b5520f8b22a0ac7d5213c3d6073030cd.exe -
Suspicious behavior: LoadsDriver 1 IoCs
pid Process 668 Ghiya.exe -
Suspicious behavior: RenamesItself 1 IoCs
pid Process 4128 c91f486a880c0f8a8931fe5036c0c121b5520f8b22a0ac7d5213c3d6073030cd.exe -
Suspicious use of AdjustPrivilegeToken 4 IoCs
description pid Process Token: SeIncBasePriorityPrivilege 4180 AK74.exe Token: SeLoadDriverPrivilege 668 Ghiya.exe Token: 33 668 Ghiya.exe Token: SeIncBasePriorityPrivilege 668 Ghiya.exe -
Suspicious use of SetWindowsHookEx 2 IoCs
pid Process 4128 c91f486a880c0f8a8931fe5036c0c121b5520f8b22a0ac7d5213c3d6073030cd.exe 4128 c91f486a880c0f8a8931fe5036c0c121b5520f8b22a0ac7d5213c3d6073030cd.exe -
Suspicious use of WriteProcessMemory 27 IoCs
description pid Process procid_target PID 4128 wrote to memory of 4288 4128 c91f486a880c0f8a8931fe5036c0c121b5520f8b22a0ac7d5213c3d6073030cd.exe 84 PID 4128 wrote to memory of 4288 4128 c91f486a880c0f8a8931fe5036c0c121b5520f8b22a0ac7d5213c3d6073030cd.exe 84 PID 4128 wrote to memory of 4288 4128 c91f486a880c0f8a8931fe5036c0c121b5520f8b22a0ac7d5213c3d6073030cd.exe 84 PID 4128 wrote to memory of 5072 4128 c91f486a880c0f8a8931fe5036c0c121b5520f8b22a0ac7d5213c3d6073030cd.exe 85 PID 4128 wrote to memory of 5072 4128 c91f486a880c0f8a8931fe5036c0c121b5520f8b22a0ac7d5213c3d6073030cd.exe 85 PID 4128 wrote to memory of 5072 4128 c91f486a880c0f8a8931fe5036c0c121b5520f8b22a0ac7d5213c3d6073030cd.exe 85 PID 4128 wrote to memory of 4180 4128 c91f486a880c0f8a8931fe5036c0c121b5520f8b22a0ac7d5213c3d6073030cd.exe 88 PID 4128 wrote to memory of 4180 4128 c91f486a880c0f8a8931fe5036c0c121b5520f8b22a0ac7d5213c3d6073030cd.exe 88 PID 4128 wrote to memory of 4180 4128 c91f486a880c0f8a8931fe5036c0c121b5520f8b22a0ac7d5213c3d6073030cd.exe 88 PID 4180 wrote to memory of 556 4180 AK74.exe 90 PID 4180 wrote to memory of 556 4180 AK74.exe 90 PID 4180 wrote to memory of 556 4180 AK74.exe 90 PID 664 wrote to memory of 668 664 Ghiya.exe 91 PID 664 wrote to memory of 668 664 Ghiya.exe 91 PID 664 wrote to memory of 668 664 Ghiya.exe 91 PID 556 wrote to memory of 4540 556 cmd.exe 93 PID 556 wrote to memory of 4540 556 cmd.exe 93 PID 556 wrote to memory of 4540 556 cmd.exe 93 PID 4128 wrote to memory of 3360 4128 c91f486a880c0f8a8931fe5036c0c121b5520f8b22a0ac7d5213c3d6073030cd.exe 95 PID 4128 wrote to memory of 3360 4128 c91f486a880c0f8a8931fe5036c0c121b5520f8b22a0ac7d5213c3d6073030cd.exe 95 PID 4128 wrote to memory of 3360 4128 c91f486a880c0f8a8931fe5036c0c121b5520f8b22a0ac7d5213c3d6073030cd.exe 95 PID 4128 wrote to memory of 3276 4128 c91f486a880c0f8a8931fe5036c0c121b5520f8b22a0ac7d5213c3d6073030cd.exe 94 PID 4128 wrote to memory of 3276 4128 c91f486a880c0f8a8931fe5036c0c121b5520f8b22a0ac7d5213c3d6073030cd.exe 94 PID 4128 wrote to memory of 3276 4128 c91f486a880c0f8a8931fe5036c0c121b5520f8b22a0ac7d5213c3d6073030cd.exe 94 PID 1156 wrote to memory of 1956 1156 svchost.exe 97 PID 1156 wrote to memory of 1956 1156 svchost.exe 97 PID 1156 wrote to memory of 1956 1156 svchost.exe 97
Processes
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C:\Users\Admin\AppData\Local\Temp\c91f486a880c0f8a8931fe5036c0c121b5520f8b22a0ac7d5213c3d6073030cd.exe"C:\Users\Admin\AppData\Local\Temp\c91f486a880c0f8a8931fe5036c0c121b5520f8b22a0ac7d5213c3d6073030cd.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:4128 -
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:4288
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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:5072
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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:4180 -
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:556 -
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:4540
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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:3276
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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:3360
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C:\Windows\SysWOW64\svchost.exeC:\Windows\SysWOW64\svchost.exe -k "Ö÷¶¯·ÀÓù·þÎñÄ£¿é"1⤵PID:3192
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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:1156 -
C:\Windows\SysWOW64\Ö÷¶¯·ÀÓù·þÎñÄ£¿é.exeC:\Windows\system32\Ö÷¶¯·ÀÓù·þÎñÄ£¿é.exe "c:\windows\system32\240623843.txt",MainThread2⤵
- Executes dropped EXE
- Loads dropped DLL
- System Location Discovery: System Language Discovery
PID:1956
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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:664 -
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:668
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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
MD5d1103f32606294d8e4677364704e1ecf
SHA18ab31ac36a93e6bd1684020b837ac619139cdcdd
SHA256af793de2459b4fbd86b368514cbed8fdbc745fe5604be33b22f4f9ea87cc5120
SHA5128f5415244b41b6724c5517eebb104fdc06f120afded2fe7b701b338f9c90c1075df3677e45687b81ddb9b4ee6ec8190291da7c8219bc45748663dc98b0f926a8
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Filesize
1.2MB
MD52362c1c4f373563e1c2eb26d28e0d8fe
SHA143b6e9dedf9774d5ee4ad42efa63603cf44c1c96
SHA256b92271acaed1804e536b7f6ade091051ad5ccf5a743b8f47db41dd5b8af14549
SHA51281479b6c0483d83cdb72adc6ed5a1ef5140203bb45a183ef66ba55cee878b8bbdd8ac58be2b4dac01d158f605c5b99cb3dd936499559f674b30b343680987127
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Filesize
49KB
MD51e8d17bb30bcd17f2cb940d04eec16bd
SHA13bf38507610f787dc2865a518ae4bc38495566b7
SHA256e6d5df8077e5f1581ab1193336e48ff32e155089c0102e1ed81bbaa49fcd2ac8
SHA51253b11cb67d79be4d7d9f06c60988cc14332cd89ac5e19099adcf0806e55fecbad9ef3ed8780b71e9ed6ad84624855fd33918cfe78fd64da490b414ca26ad8527
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Filesize
60KB
MD5889b99c52a60dd49227c5e485a016679
SHA18fa889e456aa646a4d0a4349977430ce5fa5e2d7
SHA2566cbe0e1f046b13b29bfa26f8b368281d2dda7eb9b718651d5856f22cc3e02910
SHA51208933106eaf338dd119c45cbf1f83e723aff77cc0f8d3fc84e36253b1eb31557a54211d1d5d1cb58958188e32064d451f6c66a24b3963cccd3de07299ab90641