Analysis
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max time kernel
117s -
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
30-10-2024 21:32
Behavioral task
behavioral1
Sample
c4f265246565e755c0ccf70cc75d3ed1038e627193b7bac0140879c06f7a6cf4.exe
Resource
win7-20240903-en
General
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Target
c4f265246565e755c0ccf70cc75d3ed1038e627193b7bac0140879c06f7a6cf4.exe
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Size
1.2MB
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MD5
8169e31c02f65f602bae34a45d4fc594
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SHA1
51523231fa49223c7ea14d598f3da442e6dc02e1
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SHA256
c4f265246565e755c0ccf70cc75d3ed1038e627193b7bac0140879c06f7a6cf4
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SHA512
2988b72ce84df1aaf5a154a267989157e3a2ae18ad2b12cfea639675d7bfd0ef52ada6f2627db3623737c8674691800a30b5437eb0dbdfd13608018103f0e48d
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SSDEEP
24576:HovxCwgMBqHO5ZdYXOp0nQrXctTfK+d+MrTXowFlw57XYBwJtiW:WIwgMEuy+inDfp3/XoCw57XYBwKW
Malware Config
Signatures
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resource yara_rule behavioral2/memory/684-27-0x0000000010000000-0x00000000101BA000-memory.dmp purplefox_rootkit behavioral2/memory/684-26-0x0000000010000000-0x00000000101BA000-memory.dmp purplefox_rootkit behavioral2/memory/4656-39-0x0000000010000000-0x00000000101BA000-memory.dmp purplefox_rootkit behavioral2/memory/4656-40-0x0000000010000000-0x00000000101BA000-memory.dmp purplefox_rootkit behavioral2/memory/4888-46-0x0000000010000000-0x00000000101BA000-memory.dmp purplefox_rootkit behavioral2/memory/4888-54-0x0000000010000000-0x00000000101BA000-memory.dmp purplefox_rootkit behavioral2/memory/4888-55-0x0000000010000000-0x00000000101BA000-memory.dmp purplefox_rootkit -
Gh0st RAT payload 8 IoCs
resource yara_rule behavioral2/files/0x000e000000023a3b-17.dat family_gh0strat behavioral2/memory/684-27-0x0000000010000000-0x00000000101BA000-memory.dmp family_gh0strat behavioral2/memory/684-26-0x0000000010000000-0x00000000101BA000-memory.dmp family_gh0strat behavioral2/memory/4656-39-0x0000000010000000-0x00000000101BA000-memory.dmp family_gh0strat behavioral2/memory/4656-40-0x0000000010000000-0x00000000101BA000-memory.dmp family_gh0strat behavioral2/memory/4888-46-0x0000000010000000-0x00000000101BA000-memory.dmp family_gh0strat behavioral2/memory/4888-54-0x0000000010000000-0x00000000101BA000-memory.dmp family_gh0strat behavioral2/memory/4888-55-0x0000000010000000-0x00000000101BA000-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\\240610328.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 c4f265246565e755c0ccf70cc75d3ed1038e627193b7bac0140879c06f7a6cf4.exe -
Drops startup file 1 IoCs
description ioc Process File created C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\win.lnk c4f265246565e755c0ccf70cc75d3ed1038e627193b7bac0140879c06f7a6cf4.exe -
Executes dropped EXE 6 IoCs
pid Process 1760 AK47.exe 4212 AK47.exe 684 AK74.exe 4656 Ghiya.exe 4888 Ghiya.exe 796 Ö÷¶¯·ÀÓù·þÎñÄ£¿é.exe -
Loads dropped DLL 3 IoCs
pid Process 1760 AK47.exe 3296 svchost.exe 796 Ö÷¶¯·ÀÓù·þÎñÄ£¿é.exe -
resource yara_rule behavioral2/memory/3172-0-0x0000000000400000-0x0000000000760000-memory.dmp vmprotect behavioral2/memory/3172-1-0x0000000000400000-0x0000000000760000-memory.dmp vmprotect behavioral2/files/0x000c000000023aa9-62.dat vmprotect behavioral2/memory/3172-71-0x0000000000400000-0x0000000000760000-memory.dmp vmprotect behavioral2/memory/3172-74-0x0000000000400000-0x0000000000760000-memory.dmp vmprotect behavioral2/memory/3172-77-0x0000000000400000-0x0000000000760000-memory.dmp vmprotect behavioral2/memory/3172-81-0x0000000000400000-0x0000000000760000-memory.dmp vmprotect behavioral2/memory/3172-84-0x0000000000400000-0x0000000000760000-memory.dmp vmprotect behavioral2/memory/3172-87-0x0000000000400000-0x0000000000760000-memory.dmp vmprotect behavioral2/memory/3172-90-0x0000000000400000-0x0000000000760000-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" c4f265246565e755c0ccf70cc75d3ed1038e627193b7bac0140879c06f7a6cf4.exe -
Drops file in System32 directory 6 IoCs
description ioc Process File opened for modification C:\Windows\SysWOW64\Ö÷¶¯·ÀÓù·þÎñÄ£¿é.exe svchost.exe File created C:\Windows\SysWOW64\240610328.txt AK47.exe File created C:\Windows\SysWOW64\Ghiya.exe AK74.exe File opened for modification C:\Windows\SysWOW64\Ghiya.exe AK74.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/684-24-0x0000000010000000-0x00000000101BA000-memory.dmp upx behavioral2/memory/684-27-0x0000000010000000-0x00000000101BA000-memory.dmp upx behavioral2/memory/684-26-0x0000000010000000-0x00000000101BA000-memory.dmp upx behavioral2/memory/4656-39-0x0000000010000000-0x00000000101BA000-memory.dmp upx behavioral2/memory/4656-40-0x0000000010000000-0x00000000101BA000-memory.dmp upx behavioral2/memory/4656-37-0x0000000010000000-0x00000000101BA000-memory.dmp upx behavioral2/memory/4888-46-0x0000000010000000-0x00000000101BA000-memory.dmp upx behavioral2/memory/4888-54-0x0000000010000000-0x00000000101BA000-memory.dmp upx behavioral2/memory/4888-55-0x0000000010000000-0x00000000101BA000-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 AK47.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language svchost.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 WScript.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language c4f265246565e755c0ccf70cc75d3ed1038e627193b7bac0140879c06f7a6cf4.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 WScript.exe -
System Network Configuration Discovery: Internet Connection Discovery 1 TTPs 2 IoCs
Adversaries may check for Internet connectivity on compromised systems.
pid Process 864 cmd.exe 3792 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 c4f265246565e755c0ccf70cc75d3ed1038e627193b7bac0140879c06f7a6cf4.exe -
Runs ping.exe 1 TTPs 1 IoCs
pid Process 3792 PING.EXE -
Suspicious behavior: EnumeratesProcesses 16 IoCs
pid Process 3172 c4f265246565e755c0ccf70cc75d3ed1038e627193b7bac0140879c06f7a6cf4.exe 3172 c4f265246565e755c0ccf70cc75d3ed1038e627193b7bac0140879c06f7a6cf4.exe 3172 c4f265246565e755c0ccf70cc75d3ed1038e627193b7bac0140879c06f7a6cf4.exe 3172 c4f265246565e755c0ccf70cc75d3ed1038e627193b7bac0140879c06f7a6cf4.exe 3172 c4f265246565e755c0ccf70cc75d3ed1038e627193b7bac0140879c06f7a6cf4.exe 3172 c4f265246565e755c0ccf70cc75d3ed1038e627193b7bac0140879c06f7a6cf4.exe 3172 c4f265246565e755c0ccf70cc75d3ed1038e627193b7bac0140879c06f7a6cf4.exe 3172 c4f265246565e755c0ccf70cc75d3ed1038e627193b7bac0140879c06f7a6cf4.exe 3172 c4f265246565e755c0ccf70cc75d3ed1038e627193b7bac0140879c06f7a6cf4.exe 3172 c4f265246565e755c0ccf70cc75d3ed1038e627193b7bac0140879c06f7a6cf4.exe 3172 c4f265246565e755c0ccf70cc75d3ed1038e627193b7bac0140879c06f7a6cf4.exe 3172 c4f265246565e755c0ccf70cc75d3ed1038e627193b7bac0140879c06f7a6cf4.exe 3172 c4f265246565e755c0ccf70cc75d3ed1038e627193b7bac0140879c06f7a6cf4.exe 3172 c4f265246565e755c0ccf70cc75d3ed1038e627193b7bac0140879c06f7a6cf4.exe 3172 c4f265246565e755c0ccf70cc75d3ed1038e627193b7bac0140879c06f7a6cf4.exe 3172 c4f265246565e755c0ccf70cc75d3ed1038e627193b7bac0140879c06f7a6cf4.exe -
Suspicious behavior: LoadsDriver 1 IoCs
pid Process 4888 Ghiya.exe -
Suspicious behavior: RenamesItself 1 IoCs
pid Process 3172 c4f265246565e755c0ccf70cc75d3ed1038e627193b7bac0140879c06f7a6cf4.exe -
Suspicious use of AdjustPrivilegeToken 4 IoCs
description pid Process Token: SeIncBasePriorityPrivilege 684 AK74.exe Token: SeLoadDriverPrivilege 4888 Ghiya.exe Token: 33 4888 Ghiya.exe Token: SeIncBasePriorityPrivilege 4888 Ghiya.exe -
Suspicious use of SetWindowsHookEx 2 IoCs
pid Process 3172 c4f265246565e755c0ccf70cc75d3ed1038e627193b7bac0140879c06f7a6cf4.exe 3172 c4f265246565e755c0ccf70cc75d3ed1038e627193b7bac0140879c06f7a6cf4.exe -
Suspicious use of WriteProcessMemory 27 IoCs
description pid Process procid_target PID 3172 wrote to memory of 1760 3172 c4f265246565e755c0ccf70cc75d3ed1038e627193b7bac0140879c06f7a6cf4.exe 87 PID 3172 wrote to memory of 1760 3172 c4f265246565e755c0ccf70cc75d3ed1038e627193b7bac0140879c06f7a6cf4.exe 87 PID 3172 wrote to memory of 1760 3172 c4f265246565e755c0ccf70cc75d3ed1038e627193b7bac0140879c06f7a6cf4.exe 87 PID 3172 wrote to memory of 4212 3172 c4f265246565e755c0ccf70cc75d3ed1038e627193b7bac0140879c06f7a6cf4.exe 88 PID 3172 wrote to memory of 4212 3172 c4f265246565e755c0ccf70cc75d3ed1038e627193b7bac0140879c06f7a6cf4.exe 88 PID 3172 wrote to memory of 4212 3172 c4f265246565e755c0ccf70cc75d3ed1038e627193b7bac0140879c06f7a6cf4.exe 88 PID 3172 wrote to memory of 684 3172 c4f265246565e755c0ccf70cc75d3ed1038e627193b7bac0140879c06f7a6cf4.exe 89 PID 3172 wrote to memory of 684 3172 c4f265246565e755c0ccf70cc75d3ed1038e627193b7bac0140879c06f7a6cf4.exe 89 PID 3172 wrote to memory of 684 3172 c4f265246565e755c0ccf70cc75d3ed1038e627193b7bac0140879c06f7a6cf4.exe 89 PID 684 wrote to memory of 864 684 AK74.exe 93 PID 684 wrote to memory of 864 684 AK74.exe 93 PID 684 wrote to memory of 864 684 AK74.exe 93 PID 4656 wrote to memory of 4888 4656 Ghiya.exe 94 PID 4656 wrote to memory of 4888 4656 Ghiya.exe 94 PID 4656 wrote to memory of 4888 4656 Ghiya.exe 94 PID 864 wrote to memory of 3792 864 cmd.exe 96 PID 864 wrote to memory of 3792 864 cmd.exe 96 PID 864 wrote to memory of 3792 864 cmd.exe 96 PID 3172 wrote to memory of 3612 3172 c4f265246565e755c0ccf70cc75d3ed1038e627193b7bac0140879c06f7a6cf4.exe 97 PID 3172 wrote to memory of 3612 3172 c4f265246565e755c0ccf70cc75d3ed1038e627193b7bac0140879c06f7a6cf4.exe 97 PID 3172 wrote to memory of 3612 3172 c4f265246565e755c0ccf70cc75d3ed1038e627193b7bac0140879c06f7a6cf4.exe 97 PID 3172 wrote to memory of 1516 3172 c4f265246565e755c0ccf70cc75d3ed1038e627193b7bac0140879c06f7a6cf4.exe 98 PID 3172 wrote to memory of 1516 3172 c4f265246565e755c0ccf70cc75d3ed1038e627193b7bac0140879c06f7a6cf4.exe 98 PID 3172 wrote to memory of 1516 3172 c4f265246565e755c0ccf70cc75d3ed1038e627193b7bac0140879c06f7a6cf4.exe 98 PID 3296 wrote to memory of 796 3296 svchost.exe 100 PID 3296 wrote to memory of 796 3296 svchost.exe 100 PID 3296 wrote to memory of 796 3296 svchost.exe 100
Processes
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C:\Users\Admin\AppData\Local\Temp\c4f265246565e755c0ccf70cc75d3ed1038e627193b7bac0140879c06f7a6cf4.exe"C:\Users\Admin\AppData\Local\Temp\c4f265246565e755c0ccf70cc75d3ed1038e627193b7bac0140879c06f7a6cf4.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:3172 -
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:1760
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C:\Users\Admin\AppData\Local\Temp\AK47.exeC:\Users\Admin\AppData\Local\Temp\\AK47.exe2⤵
- Executes dropped EXE
- System Location Discovery: System Language Discovery
PID:4212
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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:684 -
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:864 -
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:3792
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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:3612
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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:1516
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C:\Windows\SysWOW64\svchost.exeC:\Windows\SysWOW64\svchost.exe -k "Ö÷¶¯·ÀÓù·þÎñÄ£¿é"1⤵PID:2664
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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:3296 -
C:\Windows\SysWOW64\Ö÷¶¯·ÀÓù·þÎñÄ£¿é.exeC:\Windows\system32\Ö÷¶¯·ÀÓù·þÎñÄ£¿é.exe "c:\windows\system32\240610328.txt",MainThread2⤵
- Executes dropped EXE
- Loads dropped DLL
- System Location Discovery: System Language Discovery
PID:796
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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:4656 -
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:4888
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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
MD5f1b48c49a20bdb65d89676927ea3b120
SHA11143581ab34ee18b1e0fe98801798f405289e38b
SHA2564e9c32a3a0f6d9b75e571acb4293b8f988c1d151315d3d91cb596565c2602ba2
SHA51203f63da5126f8d253042bea185a68d40c797b2e04511c917f8fbbe33730dd142760761be13dd2b92091bf38d54c71a0d2566b614612cfd839174be1719ddfa2f
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Filesize
1.2MB
MD5958bb10d9eb8747793bb9e4c6f47df45
SHA10975a9caf4ffe608ce065b794630e62c0b5b66cd
SHA256264c5e3c5c7815d58fe81a4774f79212510b712b9bab6e2e36a0b0ddb87780e5
SHA512448ad66dc222740fae4b66af346a1ce38719cec49769104fde266e852045a3f7a4850a15ab199d56b89b54762241bb9c5258199761cc2d9639e2b33498b25255
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Filesize
49KB
MD57a3cd337ad7842df2a526e6084171709
SHA12f6ba1bbbe0d353eb4d3d7f09f51d8134531768f
SHA256cae00c9827eac0d334015205aa649194828e6fceca1bf97931a240672cf31b12
SHA51246db83734c95cc6a6ac2486b5e4e9997cb5e76e10965afcbd376996261e9847850c0775fe9da0c0960fe41a976ca88d587edabb7462a0070722ede38eb84c872
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Filesize
60KB
MD5889b99c52a60dd49227c5e485a016679
SHA18fa889e456aa646a4d0a4349977430ce5fa5e2d7
SHA2566cbe0e1f046b13b29bfa26f8b368281d2dda7eb9b718651d5856f22cc3e02910
SHA51208933106eaf338dd119c45cbf1f83e723aff77cc0f8d3fc84e36253b1eb31557a54211d1d5d1cb58958188e32064d451f6c66a24b3963cccd3de07299ab90641