Analysis
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max time kernel
149s -
max time network
156s -
platform
windows10-2004_x64 -
resource
win10v2004-20241007-en -
resource tags
arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system -
submitted
23-12-2024 02:41
Behavioral task
behavioral1
Sample
ef91d954ec7a7bc2da035ce3a5ef14a38ba9a301f2b3155c244663f0551a8237.exe
Resource
win7-20240903-en
General
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Target
ef91d954ec7a7bc2da035ce3a5ef14a38ba9a301f2b3155c244663f0551a8237.exe
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Size
1.2MB
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MD5
fdb1c292732136849795570f678709f2
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SHA1
02bfffb869284aa59283fc76dd461bc5092a1d57
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SHA256
ef91d954ec7a7bc2da035ce3a5ef14a38ba9a301f2b3155c244663f0551a8237
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SHA512
1756673632c3edc75a09b85598503e19c3a560553dbc18c4b56832835239f3fe93ee56a5015afc44db7fdaca9459f69290cc70b09b41a66dc443e778528d9113
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SSDEEP
24576:HovxCwgMBqHO5ZdYXOp0nQrXctTfK+d+MrTXowFlw57XYBwJti5:WIwgMEuy+inDfp3/XoCw57XYBwK5
Malware Config
Signatures
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resource yara_rule behavioral2/memory/3292-30-0x0000000010000000-0x00000000101BA000-memory.dmp purplefox_rootkit behavioral2/memory/3292-31-0x0000000010000000-0x00000000101BA000-memory.dmp purplefox_rootkit behavioral2/memory/184-39-0x0000000010000000-0x00000000101BA000-memory.dmp purplefox_rootkit behavioral2/memory/184-40-0x0000000010000000-0x00000000101BA000-memory.dmp purplefox_rootkit behavioral2/memory/2532-54-0x0000000010000000-0x00000000101BA000-memory.dmp purplefox_rootkit behavioral2/memory/2532-50-0x0000000010000000-0x00000000101BA000-memory.dmp purplefox_rootkit behavioral2/memory/2532-55-0x0000000010000000-0x00000000101BA000-memory.dmp purplefox_rootkit -
Gh0st RAT payload 8 IoCs
resource yara_rule behavioral2/files/0x0007000000023cb5-17.dat family_gh0strat behavioral2/memory/3292-30-0x0000000010000000-0x00000000101BA000-memory.dmp family_gh0strat behavioral2/memory/3292-31-0x0000000010000000-0x00000000101BA000-memory.dmp family_gh0strat behavioral2/memory/184-39-0x0000000010000000-0x00000000101BA000-memory.dmp family_gh0strat behavioral2/memory/184-40-0x0000000010000000-0x00000000101BA000-memory.dmp family_gh0strat behavioral2/memory/2532-54-0x0000000010000000-0x00000000101BA000-memory.dmp family_gh0strat behavioral2/memory/2532-50-0x0000000010000000-0x00000000101BA000-memory.dmp family_gh0strat behavioral2/memory/2532-55-0x0000000010000000-0x00000000101BA000-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\\240631718.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-1-5-21-2437139445-1151884604-3026847218-1000\Control Panel\International\Geo\Nation ef91d954ec7a7bc2da035ce3a5ef14a38ba9a301f2b3155c244663f0551a8237.exe -
Drops startup file 1 IoCs
description ioc Process File created C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\win.lnk ef91d954ec7a7bc2da035ce3a5ef14a38ba9a301f2b3155c244663f0551a8237.exe -
Executes dropped EXE 6 IoCs
pid Process 4000 AK47.exe 2944 AK47.exe 3292 AK74.exe 184 Ghiya.exe 2532 Ghiya.exe 776 Ö÷¶¯·ÀÓù·þÎñÄ£¿é.exe -
Loads dropped DLL 3 IoCs
pid Process 4000 AK47.exe 3596 svchost.exe 776 Ö÷¶¯·ÀÓù·þÎñÄ£¿é.exe -
resource yara_rule behavioral2/memory/796-0-0x0000000000400000-0x0000000000760000-memory.dmp vmprotect behavioral2/memory/796-1-0x0000000000400000-0x0000000000760000-memory.dmp vmprotect behavioral2/files/0x0008000000023cb2-60.dat vmprotect behavioral2/memory/796-70-0x0000000000400000-0x0000000000760000-memory.dmp vmprotect behavioral2/memory/796-73-0x0000000000400000-0x0000000000760000-memory.dmp vmprotect behavioral2/memory/796-76-0x0000000000400000-0x0000000000760000-memory.dmp vmprotect behavioral2/memory/796-80-0x0000000000400000-0x0000000000760000-memory.dmp vmprotect behavioral2/memory/796-83-0x0000000000400000-0x0000000000760000-memory.dmp vmprotect behavioral2/memory/796-86-0x0000000000400000-0x0000000000760000-memory.dmp vmprotect behavioral2/memory/796-89-0x0000000000400000-0x0000000000760000-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" ef91d954ec7a7bc2da035ce3a5ef14a38ba9a301f2b3155c244663f0551a8237.exe -
Drops file in System32 directory 6 IoCs
description ioc Process 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\240631718.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 -
resource yara_rule behavioral2/memory/3292-30-0x0000000010000000-0x00000000101BA000-memory.dmp upx behavioral2/memory/3292-29-0x0000000010000000-0x00000000101BA000-memory.dmp upx behavioral2/memory/3292-31-0x0000000010000000-0x00000000101BA000-memory.dmp upx behavioral2/memory/184-39-0x0000000010000000-0x00000000101BA000-memory.dmp upx behavioral2/memory/184-40-0x0000000010000000-0x00000000101BA000-memory.dmp upx behavioral2/memory/184-37-0x0000000010000000-0x00000000101BA000-memory.dmp upx behavioral2/memory/2532-54-0x0000000010000000-0x00000000101BA000-memory.dmp upx behavioral2/memory/2532-50-0x0000000010000000-0x00000000101BA000-memory.dmp upx behavioral2/memory/2532-55-0x0000000010000000-0x00000000101BA000-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 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 Ghiya.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language WScript.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 ef91d954ec7a7bc2da035ce3a5ef14a38ba9a301f2b3155c244663f0551a8237.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language AK47.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 svchost.exe -
System Network Configuration Discovery: Internet Connection Discovery 1 TTPs 2 IoCs
Adversaries may check for Internet connectivity on compromised systems.
pid Process 2240 PING.EXE 2792 cmd.exe -
Modifies registry class 1 IoCs
description ioc Process Key created \REGISTRY\USER\S-1-5-21-2437139445-1151884604-3026847218-1000_Classes\Local Settings ef91d954ec7a7bc2da035ce3a5ef14a38ba9a301f2b3155c244663f0551a8237.exe -
Runs ping.exe 1 TTPs 1 IoCs
pid Process 2240 PING.EXE -
Suspicious behavior: EnumeratesProcesses 16 IoCs
pid Process 796 ef91d954ec7a7bc2da035ce3a5ef14a38ba9a301f2b3155c244663f0551a8237.exe 796 ef91d954ec7a7bc2da035ce3a5ef14a38ba9a301f2b3155c244663f0551a8237.exe 796 ef91d954ec7a7bc2da035ce3a5ef14a38ba9a301f2b3155c244663f0551a8237.exe 796 ef91d954ec7a7bc2da035ce3a5ef14a38ba9a301f2b3155c244663f0551a8237.exe 796 ef91d954ec7a7bc2da035ce3a5ef14a38ba9a301f2b3155c244663f0551a8237.exe 796 ef91d954ec7a7bc2da035ce3a5ef14a38ba9a301f2b3155c244663f0551a8237.exe 796 ef91d954ec7a7bc2da035ce3a5ef14a38ba9a301f2b3155c244663f0551a8237.exe 796 ef91d954ec7a7bc2da035ce3a5ef14a38ba9a301f2b3155c244663f0551a8237.exe 796 ef91d954ec7a7bc2da035ce3a5ef14a38ba9a301f2b3155c244663f0551a8237.exe 796 ef91d954ec7a7bc2da035ce3a5ef14a38ba9a301f2b3155c244663f0551a8237.exe 796 ef91d954ec7a7bc2da035ce3a5ef14a38ba9a301f2b3155c244663f0551a8237.exe 796 ef91d954ec7a7bc2da035ce3a5ef14a38ba9a301f2b3155c244663f0551a8237.exe 796 ef91d954ec7a7bc2da035ce3a5ef14a38ba9a301f2b3155c244663f0551a8237.exe 796 ef91d954ec7a7bc2da035ce3a5ef14a38ba9a301f2b3155c244663f0551a8237.exe 796 ef91d954ec7a7bc2da035ce3a5ef14a38ba9a301f2b3155c244663f0551a8237.exe 796 ef91d954ec7a7bc2da035ce3a5ef14a38ba9a301f2b3155c244663f0551a8237.exe -
Suspicious behavior: LoadsDriver 1 IoCs
pid Process 2532 Ghiya.exe -
Suspicious behavior: RenamesItself 1 IoCs
pid Process 796 ef91d954ec7a7bc2da035ce3a5ef14a38ba9a301f2b3155c244663f0551a8237.exe -
Suspicious use of AdjustPrivilegeToken 6 IoCs
description pid Process Token: SeIncBasePriorityPrivilege 3292 AK74.exe Token: SeLoadDriverPrivilege 2532 Ghiya.exe Token: 33 2532 Ghiya.exe Token: SeIncBasePriorityPrivilege 2532 Ghiya.exe Token: 33 2532 Ghiya.exe Token: SeIncBasePriorityPrivilege 2532 Ghiya.exe -
Suspicious use of SetWindowsHookEx 2 IoCs
pid Process 796 ef91d954ec7a7bc2da035ce3a5ef14a38ba9a301f2b3155c244663f0551a8237.exe 796 ef91d954ec7a7bc2da035ce3a5ef14a38ba9a301f2b3155c244663f0551a8237.exe -
Suspicious use of WriteProcessMemory 24 IoCs
description pid Process procid_target PID 796 wrote to memory of 4000 796 ef91d954ec7a7bc2da035ce3a5ef14a38ba9a301f2b3155c244663f0551a8237.exe 83 PID 796 wrote to memory of 4000 796 ef91d954ec7a7bc2da035ce3a5ef14a38ba9a301f2b3155c244663f0551a8237.exe 83 PID 796 wrote to memory of 4000 796 ef91d954ec7a7bc2da035ce3a5ef14a38ba9a301f2b3155c244663f0551a8237.exe 83 PID 796 wrote to memory of 2944 796 ef91d954ec7a7bc2da035ce3a5ef14a38ba9a301f2b3155c244663f0551a8237.exe 84 PID 796 wrote to memory of 2944 796 ef91d954ec7a7bc2da035ce3a5ef14a38ba9a301f2b3155c244663f0551a8237.exe 84 PID 796 wrote to memory of 2944 796 ef91d954ec7a7bc2da035ce3a5ef14a38ba9a301f2b3155c244663f0551a8237.exe 84 PID 796 wrote to memory of 3292 796 ef91d954ec7a7bc2da035ce3a5ef14a38ba9a301f2b3155c244663f0551a8237.exe 85 PID 796 wrote to memory of 3292 796 ef91d954ec7a7bc2da035ce3a5ef14a38ba9a301f2b3155c244663f0551a8237.exe 85 PID 796 wrote to memory of 3292 796 ef91d954ec7a7bc2da035ce3a5ef14a38ba9a301f2b3155c244663f0551a8237.exe 85 PID 3292 wrote to memory of 2792 3292 AK74.exe 89 PID 3292 wrote to memory of 2792 3292 AK74.exe 89 PID 3292 wrote to memory of 2792 3292 AK74.exe 89 PID 184 wrote to memory of 2532 184 Ghiya.exe 90 PID 184 wrote to memory of 2532 184 Ghiya.exe 90 PID 184 wrote to memory of 2532 184 Ghiya.exe 90 PID 796 wrote to memory of 4808 796 ef91d954ec7a7bc2da035ce3a5ef14a38ba9a301f2b3155c244663f0551a8237.exe 91 PID 796 wrote to memory of 4808 796 ef91d954ec7a7bc2da035ce3a5ef14a38ba9a301f2b3155c244663f0551a8237.exe 91 PID 796 wrote to memory of 4808 796 ef91d954ec7a7bc2da035ce3a5ef14a38ba9a301f2b3155c244663f0551a8237.exe 91 PID 2792 wrote to memory of 2240 2792 cmd.exe 94 PID 2792 wrote to memory of 2240 2792 cmd.exe 94 PID 2792 wrote to memory of 2240 2792 cmd.exe 94 PID 3596 wrote to memory of 776 3596 svchost.exe 96 PID 3596 wrote to memory of 776 3596 svchost.exe 96 PID 3596 wrote to memory of 776 3596 svchost.exe 96
Processes
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C:\Users\Admin\AppData\Local\Temp\ef91d954ec7a7bc2da035ce3a5ef14a38ba9a301f2b3155c244663f0551a8237.exe"C:\Users\Admin\AppData\Local\Temp\ef91d954ec7a7bc2da035ce3a5ef14a38ba9a301f2b3155c244663f0551a8237.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:796 -
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:4000
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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:2944
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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:3292 -
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:2792 -
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:2240
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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:4808
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C:\Windows\SysWOW64\svchost.exeC:\Windows\SysWOW64\svchost.exe -k "Ö÷¶¯·ÀÓù·þÎñÄ£¿é"1⤵PID:384
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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:3596 -
C:\Windows\SysWOW64\Ö÷¶¯·ÀÓù·þÎñÄ£¿é.exeC:\Windows\system32\Ö÷¶¯·ÀÓù·þÎñÄ£¿é.exe "c:\windows\system32\240631718.txt",MainThread2⤵
- Executes dropped EXE
- Loads dropped DLL
- System Location Discovery: System Language Discovery
PID:776
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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:184 -
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:2532
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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
MD563aa225baea5117107332311f4187c69
SHA1833d3cf3ddd9be582f325e79edc894289b197c1f
SHA256f42fcac53af44c72f459b3d8903f6e387e12eb98c44bcf01c1a8448445795967
SHA512c45954eb5da62adae5535e76bfdf7bc332cb6f8c6963c9ebf45d34207e3f39fdaaaee9275d5699ce1c6b0d7604aab2bf822149267d3c3e80dda0edd1faae05d1
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Filesize
1.2MB
MD500c6e6346e89c1c3107647dcd1216f05
SHA166c77c26ed0572c97741fffd741ff297c8a8f5d2
SHA25641edfb281536a163b167360a2a0b067003d20d77760e4bef36afcbfb592f5d60
SHA512d7d788a69dbcad6458886eeee6787dd77cca98d1c4a57f1d8a42814579e50291f1e9cb8736b802835fc7770ccb31d114116fc1a8dddcc4e181e8deda36f731bc
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Filesize
49KB
MD5c00ec1ac775b86224cf7139b81dbb1cd
SHA1cc048788f81f66f7803b9f183c2c842a5ce63a3c
SHA2568e31473efc6cb2301f6da05661adb4570b7913d6dea41ecab20c84eb8bf6f78c
SHA512887eac7d0bd3d75e6f75e66bd7e20b9ea547e594bd83698a038070029ee885e9b0e686e7be445505e2b1a4f4219ad08c13073b2fc62d344f37660c640d2fe31d
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Filesize
60KB
MD5889b99c52a60dd49227c5e485a016679
SHA18fa889e456aa646a4d0a4349977430ce5fa5e2d7
SHA2566cbe0e1f046b13b29bfa26f8b368281d2dda7eb9b718651d5856f22cc3e02910
SHA51208933106eaf338dd119c45cbf1f83e723aff77cc0f8d3fc84e36253b1eb31557a54211d1d5d1cb58958188e32064d451f6c66a24b3963cccd3de07299ab90641