Analysis
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max time kernel
149s -
max time network
151s -
platform
windows10-2004_x64 -
resource
win10v2004-20241007-en -
resource tags
arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system -
submitted
27-12-2024 19:50
Behavioral task
behavioral1
Sample
4a4241ef9081142f4cd6e0fa458d8d9052c9b7d4af527eeea1c77961fcb1c1f1.exe
Resource
win7-20241010-en
General
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Target
4a4241ef9081142f4cd6e0fa458d8d9052c9b7d4af527eeea1c77961fcb1c1f1.exe
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Size
1.2MB
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MD5
f3730e9f177339452c7d55b4e938ace1
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SHA1
023e55660fa1bac42abe12f539c16a951b1fcac5
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SHA256
4a4241ef9081142f4cd6e0fa458d8d9052c9b7d4af527eeea1c77961fcb1c1f1
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SHA512
ac31459dd31fde450905c93327bd3499d75653f9c7eaad62e3725a3a7c4712df4688de79333a29756eb7b55c7530fc849c8965e7c67b9c94a54e7a0b5a3d63a6
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SSDEEP
24576:HovxCwgMBqHO5ZdYXOp0nQrXctTfK+d+MrTXowFlw57XYBwJtiM:WIwgMEuy+inDfp3/XoCw57XYBwKM
Malware Config
Signatures
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resource yara_rule behavioral2/memory/1132-30-0x0000000010000000-0x00000000101BA000-memory.dmp purplefox_rootkit behavioral2/memory/1132-31-0x0000000010000000-0x00000000101BA000-memory.dmp purplefox_rootkit behavioral2/memory/436-38-0x0000000010000000-0x00000000101BA000-memory.dmp purplefox_rootkit behavioral2/memory/436-39-0x0000000010000000-0x00000000101BA000-memory.dmp purplefox_rootkit behavioral2/memory/2936-49-0x0000000010000000-0x00000000101BA000-memory.dmp purplefox_rootkit behavioral2/memory/2936-53-0x0000000010000000-0x00000000101BA000-memory.dmp purplefox_rootkit behavioral2/memory/2936-54-0x0000000010000000-0x00000000101BA000-memory.dmp purplefox_rootkit -
Gh0st RAT payload 8 IoCs
resource yara_rule behavioral2/files/0x0007000000023c83-17.dat family_gh0strat behavioral2/memory/1132-30-0x0000000010000000-0x00000000101BA000-memory.dmp family_gh0strat behavioral2/memory/1132-31-0x0000000010000000-0x00000000101BA000-memory.dmp family_gh0strat behavioral2/memory/436-38-0x0000000010000000-0x00000000101BA000-memory.dmp family_gh0strat behavioral2/memory/436-39-0x0000000010000000-0x00000000101BA000-memory.dmp family_gh0strat behavioral2/memory/2936-49-0x0000000010000000-0x00000000101BA000-memory.dmp family_gh0strat behavioral2/memory/2936-53-0x0000000010000000-0x00000000101BA000-memory.dmp family_gh0strat behavioral2/memory/2936-54-0x0000000010000000-0x00000000101BA000-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\\240626187.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-1-5-21-3227495264-2217614367-4027411560-1000\Control Panel\International\Geo\Nation 4a4241ef9081142f4cd6e0fa458d8d9052c9b7d4af527eeea1c77961fcb1c1f1.exe -
Drops startup file 1 IoCs
description ioc Process File created C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\win.lnk 4a4241ef9081142f4cd6e0fa458d8d9052c9b7d4af527eeea1c77961fcb1c1f1.exe -
Executes dropped EXE 6 IoCs
pid Process 3612 AK47.exe 3728 AK47.exe 1132 AK74.exe 436 Ghiya.exe 2936 Ghiya.exe 2508 Ö÷¶¯·ÀÓù·þÎñÄ£¿é.exe -
Loads dropped DLL 3 IoCs
pid Process 3728 AK47.exe 5000 svchost.exe 2508 Ö÷¶¯·ÀÓù·þÎñÄ£¿é.exe -
resource yara_rule behavioral2/memory/388-0-0x0000000000400000-0x0000000000760000-memory.dmp vmprotect behavioral2/memory/388-1-0x0000000000400000-0x0000000000760000-memory.dmp vmprotect behavioral2/files/0x0008000000023c80-59.dat vmprotect behavioral2/memory/388-69-0x0000000000400000-0x0000000000760000-memory.dmp vmprotect behavioral2/memory/388-72-0x0000000000400000-0x0000000000760000-memory.dmp vmprotect behavioral2/memory/388-75-0x0000000000400000-0x0000000000760000-memory.dmp vmprotect behavioral2/memory/388-79-0x0000000000400000-0x0000000000760000-memory.dmp vmprotect behavioral2/memory/388-82-0x0000000000400000-0x0000000000760000-memory.dmp vmprotect behavioral2/memory/388-85-0x0000000000400000-0x0000000000760000-memory.dmp vmprotect behavioral2/memory/388-88-0x0000000000400000-0x0000000000760000-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" 4a4241ef9081142f4cd6e0fa458d8d9052c9b7d4af527eeea1c77961fcb1c1f1.exe -
Drops file in System32 directory 7 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\240626187.txt AK47.exe File created C:\Windows\SysWOW64\240626187.txt AK47.exe File opened for modification C:\Windows\SysWOW64\ini.ini AK47.exe -
resource yara_rule behavioral2/memory/1132-30-0x0000000010000000-0x00000000101BA000-memory.dmp upx behavioral2/memory/1132-28-0x0000000010000000-0x00000000101BA000-memory.dmp upx behavioral2/memory/1132-31-0x0000000010000000-0x00000000101BA000-memory.dmp upx behavioral2/memory/436-36-0x0000000010000000-0x00000000101BA000-memory.dmp upx behavioral2/memory/436-38-0x0000000010000000-0x00000000101BA000-memory.dmp upx behavioral2/memory/436-39-0x0000000010000000-0x00000000101BA000-memory.dmp upx behavioral2/memory/2936-49-0x0000000010000000-0x00000000101BA000-memory.dmp upx behavioral2/memory/2936-53-0x0000000010000000-0x00000000101BA000-memory.dmp upx behavioral2/memory/2936-54-0x0000000010000000-0x00000000101BA000-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 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 Ö÷¶¯·ÀÓù·þÎñÄ£¿é.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language svchost.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 AK74.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language cmd.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language 4a4241ef9081142f4cd6e0fa458d8d9052c9b7d4af527eeea1c77961fcb1c1f1.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language AK47.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 5012 cmd.exe 4704 PING.EXE -
Modifies registry class 1 IoCs
description ioc Process Key created \REGISTRY\USER\S-1-5-21-3227495264-2217614367-4027411560-1000_Classes\Local Settings 4a4241ef9081142f4cd6e0fa458d8d9052c9b7d4af527eeea1c77961fcb1c1f1.exe -
Runs ping.exe 1 TTPs 1 IoCs
pid Process 4704 PING.EXE -
Suspicious behavior: EnumeratesProcesses 16 IoCs
pid Process 388 4a4241ef9081142f4cd6e0fa458d8d9052c9b7d4af527eeea1c77961fcb1c1f1.exe 388 4a4241ef9081142f4cd6e0fa458d8d9052c9b7d4af527eeea1c77961fcb1c1f1.exe 388 4a4241ef9081142f4cd6e0fa458d8d9052c9b7d4af527eeea1c77961fcb1c1f1.exe 388 4a4241ef9081142f4cd6e0fa458d8d9052c9b7d4af527eeea1c77961fcb1c1f1.exe 388 4a4241ef9081142f4cd6e0fa458d8d9052c9b7d4af527eeea1c77961fcb1c1f1.exe 388 4a4241ef9081142f4cd6e0fa458d8d9052c9b7d4af527eeea1c77961fcb1c1f1.exe 388 4a4241ef9081142f4cd6e0fa458d8d9052c9b7d4af527eeea1c77961fcb1c1f1.exe 388 4a4241ef9081142f4cd6e0fa458d8d9052c9b7d4af527eeea1c77961fcb1c1f1.exe 388 4a4241ef9081142f4cd6e0fa458d8d9052c9b7d4af527eeea1c77961fcb1c1f1.exe 388 4a4241ef9081142f4cd6e0fa458d8d9052c9b7d4af527eeea1c77961fcb1c1f1.exe 388 4a4241ef9081142f4cd6e0fa458d8d9052c9b7d4af527eeea1c77961fcb1c1f1.exe 388 4a4241ef9081142f4cd6e0fa458d8d9052c9b7d4af527eeea1c77961fcb1c1f1.exe 388 4a4241ef9081142f4cd6e0fa458d8d9052c9b7d4af527eeea1c77961fcb1c1f1.exe 388 4a4241ef9081142f4cd6e0fa458d8d9052c9b7d4af527eeea1c77961fcb1c1f1.exe 388 4a4241ef9081142f4cd6e0fa458d8d9052c9b7d4af527eeea1c77961fcb1c1f1.exe 388 4a4241ef9081142f4cd6e0fa458d8d9052c9b7d4af527eeea1c77961fcb1c1f1.exe -
Suspicious behavior: LoadsDriver 1 IoCs
pid Process 2936 Ghiya.exe -
Suspicious behavior: RenamesItself 1 IoCs
pid Process 388 4a4241ef9081142f4cd6e0fa458d8d9052c9b7d4af527eeea1c77961fcb1c1f1.exe -
Suspicious use of AdjustPrivilegeToken 6 IoCs
description pid Process Token: SeIncBasePriorityPrivilege 1132 AK74.exe Token: SeLoadDriverPrivilege 2936 Ghiya.exe Token: 33 2936 Ghiya.exe Token: SeIncBasePriorityPrivilege 2936 Ghiya.exe Token: 33 2936 Ghiya.exe Token: SeIncBasePriorityPrivilege 2936 Ghiya.exe -
Suspicious use of SetWindowsHookEx 2 IoCs
pid Process 388 4a4241ef9081142f4cd6e0fa458d8d9052c9b7d4af527eeea1c77961fcb1c1f1.exe 388 4a4241ef9081142f4cd6e0fa458d8d9052c9b7d4af527eeea1c77961fcb1c1f1.exe -
Suspicious use of WriteProcessMemory 24 IoCs
description pid Process procid_target PID 388 wrote to memory of 3612 388 4a4241ef9081142f4cd6e0fa458d8d9052c9b7d4af527eeea1c77961fcb1c1f1.exe 82 PID 388 wrote to memory of 3612 388 4a4241ef9081142f4cd6e0fa458d8d9052c9b7d4af527eeea1c77961fcb1c1f1.exe 82 PID 388 wrote to memory of 3612 388 4a4241ef9081142f4cd6e0fa458d8d9052c9b7d4af527eeea1c77961fcb1c1f1.exe 82 PID 388 wrote to memory of 3728 388 4a4241ef9081142f4cd6e0fa458d8d9052c9b7d4af527eeea1c77961fcb1c1f1.exe 83 PID 388 wrote to memory of 3728 388 4a4241ef9081142f4cd6e0fa458d8d9052c9b7d4af527eeea1c77961fcb1c1f1.exe 83 PID 388 wrote to memory of 3728 388 4a4241ef9081142f4cd6e0fa458d8d9052c9b7d4af527eeea1c77961fcb1c1f1.exe 83 PID 388 wrote to memory of 1132 388 4a4241ef9081142f4cd6e0fa458d8d9052c9b7d4af527eeea1c77961fcb1c1f1.exe 86 PID 388 wrote to memory of 1132 388 4a4241ef9081142f4cd6e0fa458d8d9052c9b7d4af527eeea1c77961fcb1c1f1.exe 86 PID 388 wrote to memory of 1132 388 4a4241ef9081142f4cd6e0fa458d8d9052c9b7d4af527eeea1c77961fcb1c1f1.exe 86 PID 1132 wrote to memory of 5012 1132 AK74.exe 88 PID 1132 wrote to memory of 5012 1132 AK74.exe 88 PID 1132 wrote to memory of 5012 1132 AK74.exe 88 PID 436 wrote to memory of 2936 436 Ghiya.exe 89 PID 436 wrote to memory of 2936 436 Ghiya.exe 89 PID 436 wrote to memory of 2936 436 Ghiya.exe 89 PID 388 wrote to memory of 1400 388 4a4241ef9081142f4cd6e0fa458d8d9052c9b7d4af527eeea1c77961fcb1c1f1.exe 91 PID 388 wrote to memory of 1400 388 4a4241ef9081142f4cd6e0fa458d8d9052c9b7d4af527eeea1c77961fcb1c1f1.exe 91 PID 388 wrote to memory of 1400 388 4a4241ef9081142f4cd6e0fa458d8d9052c9b7d4af527eeea1c77961fcb1c1f1.exe 91 PID 5012 wrote to memory of 4704 5012 cmd.exe 92 PID 5012 wrote to memory of 4704 5012 cmd.exe 92 PID 5012 wrote to memory of 4704 5012 cmd.exe 92 PID 5000 wrote to memory of 2508 5000 svchost.exe 94 PID 5000 wrote to memory of 2508 5000 svchost.exe 94 PID 5000 wrote to memory of 2508 5000 svchost.exe 94
Processes
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C:\Users\Admin\AppData\Local\Temp\4a4241ef9081142f4cd6e0fa458d8d9052c9b7d4af527eeea1c77961fcb1c1f1.exe"C:\Users\Admin\AppData\Local\Temp\4a4241ef9081142f4cd6e0fa458d8d9052c9b7d4af527eeea1c77961fcb1c1f1.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:388 -
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:3612
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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:3728
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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:1132 -
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:5012 -
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:4704
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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:1400
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C:\Windows\SysWOW64\svchost.exeC:\Windows\SysWOW64\svchost.exe -k "Ö÷¶¯·ÀÓù·þÎñÄ£¿é"1⤵PID:1096
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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:5000 -
C:\Windows\SysWOW64\Ö÷¶¯·ÀÓù·þÎñÄ£¿é.exeC:\Windows\system32\Ö÷¶¯·ÀÓù·þÎñÄ£¿é.exe "c:\windows\system32\240626187.txt",MainThread2⤵
- Executes dropped EXE
- Loads dropped DLL
- System Location Discovery: System Language Discovery
PID:2508
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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:436 -
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:2936
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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
MD503cb929cb3e6608f8443a4e6348cd293
SHA15ae4131e37f306b2ed7c249dbffc287890a85b4f
SHA256a978031a7c86e85c62da1cc2d233947f0286d9ecd3a610b8ae3a32fe501ff900
SHA512c80ec6803ffac5e49f3b2f3c16f2b832bfa90d676022248a8c2737526bce6ec8a8c2f41eede2bc70fe4b0e0e020456b98ccc090194054313937d017559eb4ea4
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Filesize
1.2MB
MD58e1fd9b83f84247882a09e869511730f
SHA117485f97709301f61813599e731a43699b4a6518
SHA256c103cf195ed9684a39a580dc65fae0b6ef9d2f42b8c2b03d0e6dac2054b40e4a
SHA5126b481b58f7fef96e0150a773f6c198484127ccee5f346237fae9cce9f72c0a9cbfc4a8f200c3e6b65aa135424276f77839f9e7308d80ad833ec2feb8b4edfc1a
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Filesize
49KB
MD5e4f5f1909aa5ea154015e282c7ebfb3c
SHA1d164628ec0b3f3455ff90c2c01b84e1657696abc
SHA2569cf5f7687b3d64014dc1b0b6ba2eda666e0a3da8d88510af3e83bc5e019df836
SHA512feb8567062e8b879180083d12a90307feb4d11cf7b37256a500e88923b161e562936c35bd79eda4ec68215c39165122b61e134e8785c494c6c51fc3c6b654ff1
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Filesize
60KB
MD5889b99c52a60dd49227c5e485a016679
SHA18fa889e456aa646a4d0a4349977430ce5fa5e2d7
SHA2566cbe0e1f046b13b29bfa26f8b368281d2dda7eb9b718651d5856f22cc3e02910
SHA51208933106eaf338dd119c45cbf1f83e723aff77cc0f8d3fc84e36253b1eb31557a54211d1d5d1cb58958188e32064d451f6c66a24b3963cccd3de07299ab90641