Analysis
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max time kernel
150s -
max time network
149s -
platform
windows10-2004_x64 -
resource
win10v2004-20241007-en -
resource tags
arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system -
submitted
19-11-2024 20:37
Behavioral task
behavioral1
Sample
37da69b62f744cdd36e164bfad9a63d017a761eef301efe496db3f0f02fcd8dc.exe
Resource
win7-20240903-en
General
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Target
37da69b62f744cdd36e164bfad9a63d017a761eef301efe496db3f0f02fcd8dc.exe
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Size
1.2MB
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MD5
786c89c1406663ff72624e8122b2d8a3
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SHA1
a80c9cb3ec38ac2cd49871db2858791c9961fa97
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SHA256
37da69b62f744cdd36e164bfad9a63d017a761eef301efe496db3f0f02fcd8dc
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SHA512
b405fa63df8ff1884779fa443fd956313b29fad6ce1ff96e376e098569be5e515a0ac3a8560ff9c00374b8c2a1ef6364efbbd1c6a4a84c9cddaca04aee52dcfc
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SSDEEP
24576:HovxCwgMBqHO5ZdYXOp0nQrXctTfK+d+MrTXowFlw57XYBwJtiQ:WIwgMEuy+inDfp3/XoCw57XYBwKQ
Malware Config
Signatures
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resource yara_rule behavioral2/memory/4668-37-0x0000000010000000-0x00000000101BA000-memory.dmp purplefox_rootkit behavioral2/memory/4668-38-0x0000000010000000-0x00000000101BA000-memory.dmp purplefox_rootkit behavioral2/memory/3488-46-0x0000000010000000-0x00000000101BA000-memory.dmp purplefox_rootkit behavioral2/memory/3488-45-0x0000000010000000-0x00000000101BA000-memory.dmp purplefox_rootkit behavioral2/memory/5092-56-0x0000000010000000-0x00000000101BA000-memory.dmp purplefox_rootkit behavioral2/memory/5092-59-0x0000000010000000-0x00000000101BA000-memory.dmp purplefox_rootkit behavioral2/memory/5092-61-0x0000000010000000-0x00000000101BA000-memory.dmp purplefox_rootkit -
Gh0st RAT payload 8 IoCs
resource yara_rule behavioral2/files/0x000b000000023b90-17.dat family_gh0strat behavioral2/memory/4668-37-0x0000000010000000-0x00000000101BA000-memory.dmp family_gh0strat behavioral2/memory/4668-38-0x0000000010000000-0x00000000101BA000-memory.dmp family_gh0strat behavioral2/memory/3488-46-0x0000000010000000-0x00000000101BA000-memory.dmp family_gh0strat behavioral2/memory/3488-45-0x0000000010000000-0x00000000101BA000-memory.dmp family_gh0strat behavioral2/memory/5092-56-0x0000000010000000-0x00000000101BA000-memory.dmp family_gh0strat behavioral2/memory/5092-59-0x0000000010000000-0x00000000101BA000-memory.dmp family_gh0strat behavioral2/memory/5092-61-0x0000000010000000-0x00000000101BA000-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\\240613656.txt" AK47.exe Set value (str) \REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\Ö÷¶¯·ÀÓù·þÎñÄ£¿é\Parameters\ServiceDll = "C:\\Windows\\system32\\240613640.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 37da69b62f744cdd36e164bfad9a63d017a761eef301efe496db3f0f02fcd8dc.exe -
Drops startup file 1 IoCs
description ioc Process File created C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\win.lnk 37da69b62f744cdd36e164bfad9a63d017a761eef301efe496db3f0f02fcd8dc.exe -
Executes dropped EXE 6 IoCs
pid Process 2684 AK47.exe 2180 AK47.exe 4668 AK74.exe 3488 Ghiya.exe 5092 Ghiya.exe 2528 Ö÷¶¯·ÀÓù·þÎñÄ£¿é.exe -
Loads dropped DLL 4 IoCs
pid Process 2180 AK47.exe 2684 AK47.exe 4396 svchost.exe 2528 Ö÷¶¯·ÀÓù·þÎñÄ£¿é.exe -
resource yara_rule behavioral2/memory/1020-0-0x0000000000400000-0x0000000000760000-memory.dmp vmprotect behavioral2/memory/1020-1-0x0000000000400000-0x0000000000760000-memory.dmp vmprotect behavioral2/files/0x000a000000023b99-66.dat vmprotect behavioral2/memory/1020-76-0x0000000000400000-0x0000000000760000-memory.dmp vmprotect behavioral2/memory/1020-79-0x0000000000400000-0x0000000000760000-memory.dmp vmprotect behavioral2/memory/1020-82-0x0000000000400000-0x0000000000760000-memory.dmp vmprotect behavioral2/memory/1020-86-0x0000000000400000-0x0000000000760000-memory.dmp vmprotect behavioral2/memory/1020-89-0x0000000000400000-0x0000000000760000-memory.dmp vmprotect behavioral2/memory/1020-92-0x0000000000400000-0x0000000000760000-memory.dmp vmprotect behavioral2/memory/1020-95-0x0000000000400000-0x0000000000760000-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" 37da69b62f744cdd36e164bfad9a63d017a761eef301efe496db3f0f02fcd8dc.exe -
Drops file in System32 directory 8 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\240613640.txt AK47.exe File created C:\Windows\SysWOW64\240613656.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 File created C:\Windows\SysWOW64\Ö÷¶¯·ÀÓù·þÎñÄ£¿é.exe svchost.exe -
resource yara_rule behavioral2/memory/4668-35-0x0000000010000000-0x00000000101BA000-memory.dmp upx behavioral2/memory/4668-37-0x0000000010000000-0x00000000101BA000-memory.dmp upx behavioral2/memory/4668-38-0x0000000010000000-0x00000000101BA000-memory.dmp upx behavioral2/memory/3488-46-0x0000000010000000-0x00000000101BA000-memory.dmp upx behavioral2/memory/3488-45-0x0000000010000000-0x00000000101BA000-memory.dmp upx behavioral2/memory/3488-43-0x0000000010000000-0x00000000101BA000-memory.dmp upx behavioral2/memory/5092-56-0x0000000010000000-0x00000000101BA000-memory.dmp upx behavioral2/memory/5092-59-0x0000000010000000-0x00000000101BA000-memory.dmp upx behavioral2/memory/5092-61-0x0000000010000000-0x00000000101BA000-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 PING.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 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 37da69b62f744cdd36e164bfad9a63d017a761eef301efe496db3f0f02fcd8dc.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language AK47.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language Ö÷¶¯·ÀÓù·þÎñÄ£¿é.exe -
System Network Configuration Discovery: Internet Connection Discovery 1 TTPs 2 IoCs
Adversaries may check for Internet connectivity on compromised systems.
pid Process 4964 cmd.exe 2804 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 37da69b62f744cdd36e164bfad9a63d017a761eef301efe496db3f0f02fcd8dc.exe -
Runs ping.exe 1 TTPs 1 IoCs
pid Process 2804 PING.EXE -
Suspicious behavior: EnumeratesProcesses 16 IoCs
pid Process 1020 37da69b62f744cdd36e164bfad9a63d017a761eef301efe496db3f0f02fcd8dc.exe 1020 37da69b62f744cdd36e164bfad9a63d017a761eef301efe496db3f0f02fcd8dc.exe 1020 37da69b62f744cdd36e164bfad9a63d017a761eef301efe496db3f0f02fcd8dc.exe 1020 37da69b62f744cdd36e164bfad9a63d017a761eef301efe496db3f0f02fcd8dc.exe 1020 37da69b62f744cdd36e164bfad9a63d017a761eef301efe496db3f0f02fcd8dc.exe 1020 37da69b62f744cdd36e164bfad9a63d017a761eef301efe496db3f0f02fcd8dc.exe 1020 37da69b62f744cdd36e164bfad9a63d017a761eef301efe496db3f0f02fcd8dc.exe 1020 37da69b62f744cdd36e164bfad9a63d017a761eef301efe496db3f0f02fcd8dc.exe 1020 37da69b62f744cdd36e164bfad9a63d017a761eef301efe496db3f0f02fcd8dc.exe 1020 37da69b62f744cdd36e164bfad9a63d017a761eef301efe496db3f0f02fcd8dc.exe 1020 37da69b62f744cdd36e164bfad9a63d017a761eef301efe496db3f0f02fcd8dc.exe 1020 37da69b62f744cdd36e164bfad9a63d017a761eef301efe496db3f0f02fcd8dc.exe 1020 37da69b62f744cdd36e164bfad9a63d017a761eef301efe496db3f0f02fcd8dc.exe 1020 37da69b62f744cdd36e164bfad9a63d017a761eef301efe496db3f0f02fcd8dc.exe 1020 37da69b62f744cdd36e164bfad9a63d017a761eef301efe496db3f0f02fcd8dc.exe 1020 37da69b62f744cdd36e164bfad9a63d017a761eef301efe496db3f0f02fcd8dc.exe -
Suspicious behavior: LoadsDriver 1 IoCs
pid Process 5092 Ghiya.exe -
Suspicious behavior: RenamesItself 1 IoCs
pid Process 1020 37da69b62f744cdd36e164bfad9a63d017a761eef301efe496db3f0f02fcd8dc.exe -
Suspicious use of AdjustPrivilegeToken 6 IoCs
description pid Process Token: SeIncBasePriorityPrivilege 4668 AK74.exe Token: SeLoadDriverPrivilege 5092 Ghiya.exe Token: 33 5092 Ghiya.exe Token: SeIncBasePriorityPrivilege 5092 Ghiya.exe Token: 33 5092 Ghiya.exe Token: SeIncBasePriorityPrivilege 5092 Ghiya.exe -
Suspicious use of SetWindowsHookEx 2 IoCs
pid Process 1020 37da69b62f744cdd36e164bfad9a63d017a761eef301efe496db3f0f02fcd8dc.exe 1020 37da69b62f744cdd36e164bfad9a63d017a761eef301efe496db3f0f02fcd8dc.exe -
Suspicious use of WriteProcessMemory 24 IoCs
description pid Process procid_target PID 1020 wrote to memory of 2684 1020 37da69b62f744cdd36e164bfad9a63d017a761eef301efe496db3f0f02fcd8dc.exe 84 PID 1020 wrote to memory of 2684 1020 37da69b62f744cdd36e164bfad9a63d017a761eef301efe496db3f0f02fcd8dc.exe 84 PID 1020 wrote to memory of 2684 1020 37da69b62f744cdd36e164bfad9a63d017a761eef301efe496db3f0f02fcd8dc.exe 84 PID 1020 wrote to memory of 2180 1020 37da69b62f744cdd36e164bfad9a63d017a761eef301efe496db3f0f02fcd8dc.exe 85 PID 1020 wrote to memory of 2180 1020 37da69b62f744cdd36e164bfad9a63d017a761eef301efe496db3f0f02fcd8dc.exe 85 PID 1020 wrote to memory of 2180 1020 37da69b62f744cdd36e164bfad9a63d017a761eef301efe496db3f0f02fcd8dc.exe 85 PID 1020 wrote to memory of 4668 1020 37da69b62f744cdd36e164bfad9a63d017a761eef301efe496db3f0f02fcd8dc.exe 87 PID 1020 wrote to memory of 4668 1020 37da69b62f744cdd36e164bfad9a63d017a761eef301efe496db3f0f02fcd8dc.exe 87 PID 1020 wrote to memory of 4668 1020 37da69b62f744cdd36e164bfad9a63d017a761eef301efe496db3f0f02fcd8dc.exe 87 PID 4668 wrote to memory of 4964 4668 AK74.exe 91 PID 4668 wrote to memory of 4964 4668 AK74.exe 91 PID 4668 wrote to memory of 4964 4668 AK74.exe 91 PID 3488 wrote to memory of 5092 3488 Ghiya.exe 92 PID 3488 wrote to memory of 5092 3488 Ghiya.exe 92 PID 3488 wrote to memory of 5092 3488 Ghiya.exe 92 PID 1020 wrote to memory of 1920 1020 37da69b62f744cdd36e164bfad9a63d017a761eef301efe496db3f0f02fcd8dc.exe 94 PID 1020 wrote to memory of 1920 1020 37da69b62f744cdd36e164bfad9a63d017a761eef301efe496db3f0f02fcd8dc.exe 94 PID 1020 wrote to memory of 1920 1020 37da69b62f744cdd36e164bfad9a63d017a761eef301efe496db3f0f02fcd8dc.exe 94 PID 4964 wrote to memory of 2804 4964 cmd.exe 96 PID 4964 wrote to memory of 2804 4964 cmd.exe 96 PID 4964 wrote to memory of 2804 4964 cmd.exe 96 PID 4396 wrote to memory of 2528 4396 svchost.exe 100 PID 4396 wrote to memory of 2528 4396 svchost.exe 100 PID 4396 wrote to memory of 2528 4396 svchost.exe 100
Processes
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C:\Users\Admin\AppData\Local\Temp\37da69b62f744cdd36e164bfad9a63d017a761eef301efe496db3f0f02fcd8dc.exe"C:\Users\Admin\AppData\Local\Temp\37da69b62f744cdd36e164bfad9a63d017a761eef301efe496db3f0f02fcd8dc.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:1020 -
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:2684
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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:2180
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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:4668 -
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:4964 -
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:2804
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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:1920
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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:4396 -
C:\Windows\SysWOW64\Ö÷¶¯·ÀÓù·þÎñÄ£¿é.exeC:\Windows\system32\Ö÷¶¯·ÀÓù·þÎñÄ£¿é.exe "c:\windows\system32\240613640.txt",MainThread2⤵
- Executes dropped EXE
- Loads dropped DLL
- System Location Discovery: System Language Discovery
PID:2528
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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:3488 -
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:5092
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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
MD53a9b61723770a187e92cfa7718cd344c
SHA115af3f7c77f75063ca4f3b7414e32f49248a5b4e
SHA25625326fe2a465dc155a3a39fa7f515301a4135cc35c53885d05177327ddbf7a2e
SHA512a2685e5a1e402f14aa9d2198587c744eabdbde695fa854fae82ca7eff7be8883d4aa28f78300ffa069fc1df40a95bd08ee6537526163b37984b564f58631ba71
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Filesize
1.2MB
MD5b4b8ec531e6bf4cfdd414d32a81eabdb
SHA1fc9d079a38dd388a5c7e14d0c5de12e13f18a481
SHA25605b42557b9e6816a05b47b7f8a7b8b0cc3c8def61f58fe1ac0598f695b0d80b6
SHA512fd27c2ef2ca02cb42b65d82e09dfbf78215edfaeb8e65268e1123bb691b66b75446e2b8eb20f595a3df0e39f0aa826e7ca421d1be4c994d9a6a3ecaf8c7d7df4
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Filesize
49KB
MD5451a0d3fbafc53eed62edc3f52e1610b
SHA1cb76af495194435f338f9f4758ff813589bd7dab
SHA25660d39f598aca8c412d27480b9561dab2e66cbee7526114ed133c9db4f746592a
SHA512f9e366632d05aef8fd4578b0ae90fe447fc1bc1d8a93a776310a4fe03f5b2a7abfd6022807006fdb4fa4d0056dc98023d407c7a7af2bdc33e7ca37d705ad4b36
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Filesize
45B
MD5f357ce53eeeed2deb7832d935f75815c
SHA11c4d5de885d4cdfd3ca440cc14617a91d80fab09
SHA256a86379b70c90dd1ea9aab511d5306ae403df977e469503de4b2b92687d0307c4
SHA512fa0601fb441a6ea1d080ae1460062f0f17671cf47e47c304566718ff62daf877fe374483da258affa608e5cfa0cc49c5adb5c922773326217ec480d3934a6f18
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Filesize
60KB
MD5889b99c52a60dd49227c5e485a016679
SHA18fa889e456aa646a4d0a4349977430ce5fa5e2d7
SHA2566cbe0e1f046b13b29bfa26f8b368281d2dda7eb9b718651d5856f22cc3e02910
SHA51208933106eaf338dd119c45cbf1f83e723aff77cc0f8d3fc84e36253b1eb31557a54211d1d5d1cb58958188e32064d451f6c66a24b3963cccd3de07299ab90641