Analysis
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max time kernel
150s -
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
13-11-2024 23:44
Behavioral task
behavioral1
Sample
36b73c39e61c573ea83ef07503359fa852b180b4b0394947dd8cdc7ab9a372e4.exe
Resource
win7-20240903-en
General
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Target
36b73c39e61c573ea83ef07503359fa852b180b4b0394947dd8cdc7ab9a372e4.exe
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Size
1.2MB
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MD5
b909aa5e411d5186cff8f643772b01e4
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SHA1
4c22321cca52fa03a155216ef3cb1a4a387feb1f
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SHA256
36b73c39e61c573ea83ef07503359fa852b180b4b0394947dd8cdc7ab9a372e4
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SHA512
c23721270951641498811fc234502095ebc32dd486df1290c8479c61f1d24413a64c444a57f435d08389ae499283c0f00bf2fdbd532059f1ad1c202692215302
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SSDEEP
24576:HovxCwgMBqHO5ZdYXOp0nQrXctTfK+d+MrTXowFlw57XYBwJtiy:WIwgMEuy+inDfp3/XoCw57XYBwKy
Malware Config
Signatures
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resource yara_rule behavioral2/memory/232-38-0x0000000010000000-0x00000000101BA000-memory.dmp purplefox_rootkit behavioral2/memory/232-37-0x0000000010000000-0x00000000101BA000-memory.dmp purplefox_rootkit behavioral2/memory/2732-46-0x0000000010000000-0x00000000101BA000-memory.dmp purplefox_rootkit behavioral2/memory/2732-45-0x0000000010000000-0x00000000101BA000-memory.dmp purplefox_rootkit behavioral2/memory/2608-52-0x0000000010000000-0x00000000101BA000-memory.dmp purplefox_rootkit behavioral2/memory/2608-61-0x0000000010000000-0x00000000101BA000-memory.dmp purplefox_rootkit -
Gh0st RAT payload 7 IoCs
resource yara_rule behavioral2/files/0x000b000000023b93-17.dat family_gh0strat behavioral2/memory/232-38-0x0000000010000000-0x00000000101BA000-memory.dmp family_gh0strat behavioral2/memory/232-37-0x0000000010000000-0x00000000101BA000-memory.dmp family_gh0strat behavioral2/memory/2732-46-0x0000000010000000-0x00000000101BA000-memory.dmp family_gh0strat behavioral2/memory/2732-45-0x0000000010000000-0x00000000101BA000-memory.dmp family_gh0strat behavioral2/memory/2608-52-0x0000000010000000-0x00000000101BA000-memory.dmp family_gh0strat behavioral2/memory/2608-61-0x0000000010000000-0x00000000101BA000-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 2 IoCs
description ioc Process Set value (str) \REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\Ö÷¶¯·ÀÓù·þÎñÄ£¿é\Parameters\ServiceDll = "C:\\Windows\\system32\\240621281.txt" AK47.exe Set value (str) \REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\Ö÷¶¯·ÀÓù·þÎñÄ£¿é\Parameters\ServiceDll = "C:\\Windows\\system32\\240621296.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 36b73c39e61c573ea83ef07503359fa852b180b4b0394947dd8cdc7ab9a372e4.exe -
Drops startup file 1 IoCs
description ioc Process File created C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\win.lnk 36b73c39e61c573ea83ef07503359fa852b180b4b0394947dd8cdc7ab9a372e4.exe -
Executes dropped EXE 6 IoCs
pid Process 3732 AK47.exe 3480 AK47.exe 232 AK74.exe 2732 Ghiya.exe 2608 Ghiya.exe 8 Ö÷¶¯·ÀÓù·þÎñÄ£¿é.exe -
Loads dropped DLL 4 IoCs
pid Process 3480 AK47.exe 3732 AK47.exe 3508 svchost.exe 8 Ö÷¶¯·ÀÓù·þÎñÄ£¿é.exe -
resource yara_rule behavioral2/memory/3752-0-0x0000000000400000-0x0000000000760000-memory.dmp vmprotect behavioral2/memory/3752-1-0x0000000000400000-0x0000000000760000-memory.dmp vmprotect behavioral2/files/0x000a000000023b9c-66.dat vmprotect behavioral2/memory/3752-76-0x0000000000400000-0x0000000000760000-memory.dmp vmprotect behavioral2/memory/3752-79-0x0000000000400000-0x0000000000760000-memory.dmp vmprotect behavioral2/memory/3752-82-0x0000000000400000-0x0000000000760000-memory.dmp vmprotect behavioral2/memory/3752-86-0x0000000000400000-0x0000000000760000-memory.dmp vmprotect behavioral2/memory/3752-89-0x0000000000400000-0x0000000000760000-memory.dmp vmprotect behavioral2/memory/3752-92-0x0000000000400000-0x0000000000760000-memory.dmp vmprotect behavioral2/memory/3752-95-0x0000000000400000-0x0000000000760000-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" 36b73c39e61c573ea83ef07503359fa852b180b4b0394947dd8cdc7ab9a372e4.exe -
Drops file in System32 directory 8 IoCs
description ioc Process 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 File opened for modification C:\Windows\SysWOW64\Ghiya.exe AK74.exe File created C:\Windows\SysWOW64\240621281.txt AK47.exe File created C:\Windows\SysWOW64\240621296.txt AK47.exe File opened for modification C:\Windows\SysWOW64\ini.ini AK47.exe File opened for modification C:\Windows\SysWOW64\ini.ini AK47.exe -
resource yara_rule behavioral2/memory/232-38-0x0000000010000000-0x00000000101BA000-memory.dmp upx behavioral2/memory/232-37-0x0000000010000000-0x00000000101BA000-memory.dmp upx behavioral2/memory/232-35-0x0000000010000000-0x00000000101BA000-memory.dmp upx behavioral2/memory/2732-46-0x0000000010000000-0x00000000101BA000-memory.dmp upx behavioral2/memory/2732-45-0x0000000010000000-0x00000000101BA000-memory.dmp upx behavioral2/memory/2732-43-0x0000000010000000-0x00000000101BA000-memory.dmp upx behavioral2/memory/2608-52-0x0000000010000000-0x00000000101BA000-memory.dmp upx behavioral2/memory/2608-61-0x0000000010000000-0x00000000101BA000-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 10 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 Ghiya.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language cmd.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language Ö÷¶¯·ÀÓù·þÎñÄ£¿é.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language 36b73c39e61c573ea83ef07503359fa852b180b4b0394947dd8cdc7ab9a372e4.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 WScript.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language PING.EXE -
System Network Configuration Discovery: Internet Connection Discovery 1 TTPs 2 IoCs
Adversaries may check for Internet connectivity on compromised systems.
pid Process 3044 cmd.exe 1484 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 36b73c39e61c573ea83ef07503359fa852b180b4b0394947dd8cdc7ab9a372e4.exe -
Runs ping.exe 1 TTPs 1 IoCs
pid Process 1484 PING.EXE -
Suspicious behavior: EnumeratesProcesses 14 IoCs
pid Process 3752 36b73c39e61c573ea83ef07503359fa852b180b4b0394947dd8cdc7ab9a372e4.exe 3752 36b73c39e61c573ea83ef07503359fa852b180b4b0394947dd8cdc7ab9a372e4.exe 3752 36b73c39e61c573ea83ef07503359fa852b180b4b0394947dd8cdc7ab9a372e4.exe 3752 36b73c39e61c573ea83ef07503359fa852b180b4b0394947dd8cdc7ab9a372e4.exe 3752 36b73c39e61c573ea83ef07503359fa852b180b4b0394947dd8cdc7ab9a372e4.exe 3752 36b73c39e61c573ea83ef07503359fa852b180b4b0394947dd8cdc7ab9a372e4.exe 3752 36b73c39e61c573ea83ef07503359fa852b180b4b0394947dd8cdc7ab9a372e4.exe 3752 36b73c39e61c573ea83ef07503359fa852b180b4b0394947dd8cdc7ab9a372e4.exe 3752 36b73c39e61c573ea83ef07503359fa852b180b4b0394947dd8cdc7ab9a372e4.exe 3752 36b73c39e61c573ea83ef07503359fa852b180b4b0394947dd8cdc7ab9a372e4.exe 3752 36b73c39e61c573ea83ef07503359fa852b180b4b0394947dd8cdc7ab9a372e4.exe 3752 36b73c39e61c573ea83ef07503359fa852b180b4b0394947dd8cdc7ab9a372e4.exe 3752 36b73c39e61c573ea83ef07503359fa852b180b4b0394947dd8cdc7ab9a372e4.exe 3752 36b73c39e61c573ea83ef07503359fa852b180b4b0394947dd8cdc7ab9a372e4.exe -
Suspicious behavior: LoadsDriver 1 IoCs
pid Process 2608 Ghiya.exe -
Suspicious behavior: RenamesItself 1 IoCs
pid Process 3752 36b73c39e61c573ea83ef07503359fa852b180b4b0394947dd8cdc7ab9a372e4.exe -
Suspicious use of AdjustPrivilegeToken 6 IoCs
description pid Process Token: SeIncBasePriorityPrivilege 232 AK74.exe Token: SeLoadDriverPrivilege 2608 Ghiya.exe Token: 33 2608 Ghiya.exe Token: SeIncBasePriorityPrivilege 2608 Ghiya.exe Token: 33 2608 Ghiya.exe Token: SeIncBasePriorityPrivilege 2608 Ghiya.exe -
Suspicious use of SetWindowsHookEx 2 IoCs
pid Process 3752 36b73c39e61c573ea83ef07503359fa852b180b4b0394947dd8cdc7ab9a372e4.exe 3752 36b73c39e61c573ea83ef07503359fa852b180b4b0394947dd8cdc7ab9a372e4.exe -
Suspicious use of WriteProcessMemory 24 IoCs
description pid Process procid_target PID 3752 wrote to memory of 3480 3752 36b73c39e61c573ea83ef07503359fa852b180b4b0394947dd8cdc7ab9a372e4.exe 85 PID 3752 wrote to memory of 3480 3752 36b73c39e61c573ea83ef07503359fa852b180b4b0394947dd8cdc7ab9a372e4.exe 85 PID 3752 wrote to memory of 3480 3752 36b73c39e61c573ea83ef07503359fa852b180b4b0394947dd8cdc7ab9a372e4.exe 85 PID 3752 wrote to memory of 3732 3752 36b73c39e61c573ea83ef07503359fa852b180b4b0394947dd8cdc7ab9a372e4.exe 86 PID 3752 wrote to memory of 3732 3752 36b73c39e61c573ea83ef07503359fa852b180b4b0394947dd8cdc7ab9a372e4.exe 86 PID 3752 wrote to memory of 3732 3752 36b73c39e61c573ea83ef07503359fa852b180b4b0394947dd8cdc7ab9a372e4.exe 86 PID 3752 wrote to memory of 232 3752 36b73c39e61c573ea83ef07503359fa852b180b4b0394947dd8cdc7ab9a372e4.exe 88 PID 3752 wrote to memory of 232 3752 36b73c39e61c573ea83ef07503359fa852b180b4b0394947dd8cdc7ab9a372e4.exe 88 PID 3752 wrote to memory of 232 3752 36b73c39e61c573ea83ef07503359fa852b180b4b0394947dd8cdc7ab9a372e4.exe 88 PID 232 wrote to memory of 3044 232 AK74.exe 91 PID 232 wrote to memory of 3044 232 AK74.exe 91 PID 232 wrote to memory of 3044 232 AK74.exe 91 PID 2732 wrote to memory of 2608 2732 Ghiya.exe 92 PID 2732 wrote to memory of 2608 2732 Ghiya.exe 92 PID 2732 wrote to memory of 2608 2732 Ghiya.exe 92 PID 3752 wrote to memory of 436 3752 36b73c39e61c573ea83ef07503359fa852b180b4b0394947dd8cdc7ab9a372e4.exe 94 PID 3752 wrote to memory of 436 3752 36b73c39e61c573ea83ef07503359fa852b180b4b0394947dd8cdc7ab9a372e4.exe 94 PID 3752 wrote to memory of 436 3752 36b73c39e61c573ea83ef07503359fa852b180b4b0394947dd8cdc7ab9a372e4.exe 94 PID 3044 wrote to memory of 1484 3044 cmd.exe 96 PID 3044 wrote to memory of 1484 3044 cmd.exe 96 PID 3044 wrote to memory of 1484 3044 cmd.exe 96 PID 3508 wrote to memory of 8 3508 svchost.exe 99 PID 3508 wrote to memory of 8 3508 svchost.exe 99 PID 3508 wrote to memory of 8 3508 svchost.exe 99
Processes
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C:\Users\Admin\AppData\Local\Temp\36b73c39e61c573ea83ef07503359fa852b180b4b0394947dd8cdc7ab9a372e4.exe"C:\Users\Admin\AppData\Local\Temp\36b73c39e61c573ea83ef07503359fa852b180b4b0394947dd8cdc7ab9a372e4.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:3752 -
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:3480
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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:3732
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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:232 -
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:3044 -
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:1484
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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:436
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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:3508 -
C:\Windows\SysWOW64\Ö÷¶¯·ÀÓù·þÎñÄ£¿é.exeC:\Windows\system32\Ö÷¶¯·ÀÓù·þÎñÄ£¿é.exe "c:\windows\system32\240621281.txt",MainThread2⤵
- Executes dropped EXE
- Loads dropped DLL
- System Location Discovery: System Language Discovery
PID:8
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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:2732 -
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:2608
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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
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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
MD5c1182fc5912d9b223f0ca15bbfe74bd4
SHA12970cc53326ccede129ca675ed552cd0f3e4cde3
SHA256e978374920bfaedc720ced3f1e087ca49494f827cccda51f2e6348d620a42af8
SHA51219e2fc0d9787b560e6bcc6f76e52ed5c0261ef274178f5edd3fa27e4df4d9a43b5835043ee8e66f6841af54b96e36e9a76221ea43b0e922bc561d07d3fc14864
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Filesize
1.2MB
MD51ab5abd03c178c288f4c65d7ac9b188c
SHA12661c5ae39cea45e918f5c182cf298878e6f89cd
SHA256d48b244b1f35c0e88badb8d27e361271034aa8fe4dc37c3cfd8d4c2310db88fb
SHA51260ab351ff1252609007bf542edda57812ecb9f010aa1bc7f0b617a587d4aa6084d07586787643721aba2b5fa3cf9dd16d914215aa8c813c2e6cedb9b6282c9b8
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Filesize
49KB
MD5f9b22e4345e0a1697ef1e9fd0a21b964
SHA1dd9e4c7453a11ff85dbff7728481d6b0edc3c132
SHA2565632892a1da34bd3289257fde2b7ecc3dddb53b5f7facb9b4a93543da5df357f
SHA5122361c763faf49739f4e4cc1db098629793f5e241d8c08081921a1086541093cf2d51b6ed2873dfb34cfb14cedc053d64e819f2cc9c772b4cbca9e361c64e3c42
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Filesize
45B
MD56640c3ee8cea1d59315bd068115a330e
SHA10fb207e4d3a373f65c2af5cab1afd50d56ec0aba
SHA2564d929c07f9265491921578f3f365868baec04ea810b12c0e8d08f39b4c13bee0
SHA512ad73d31127d3ebbf62554198b78a2f9ff368a40cbf60c3aabee33be12d7d4c5e3c6b4d8dc76000c118e3a1590bfa53d8eb82d87be1b2a1374b73790d5efa95b4
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Filesize
60KB
MD5889b99c52a60dd49227c5e485a016679
SHA18fa889e456aa646a4d0a4349977430ce5fa5e2d7
SHA2566cbe0e1f046b13b29bfa26f8b368281d2dda7eb9b718651d5856f22cc3e02910
SHA51208933106eaf338dd119c45cbf1f83e723aff77cc0f8d3fc84e36253b1eb31557a54211d1d5d1cb58958188e32064d451f6c66a24b3963cccd3de07299ab90641