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Analysis
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max time kernel
150s -
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
04/02/2025, 22:44
Behavioral task
behavioral1
Sample
8acac928a00aba1e560f2c85094cb18ebb982f784af75c9deada44c1939d8993.exe
Resource
win7-20240903-en
General
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Target
8acac928a00aba1e560f2c85094cb18ebb982f784af75c9deada44c1939d8993.exe
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Size
1.2MB
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MD5
14ba0bcf3939dfd2ee9a9e121b9f96b9
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SHA1
2e7e10f1aeb923240327cc9b5aac575ff3028e9a
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SHA256
8acac928a00aba1e560f2c85094cb18ebb982f784af75c9deada44c1939d8993
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SHA512
e20ada196884005551d1791fc50f8409a5d00ec9e66af66b950045824066ed3411c43399b2e8d4087ea86cb0bcb7bf8b658fb1b23ec7b181f2460cf493cc9f93
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SSDEEP
24576:HovxCwgMBqHO5ZdYXOp0nQrXctTfK+d+MrTXowFlw57XYBwJtiC:WIwgMEuy+inDfp3/XoCw57XYBwKC
Malware Config
Signatures
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resource yara_rule behavioral2/memory/3500-26-0x0000000010000000-0x00000000101BA000-memory.dmp purplefox_rootkit behavioral2/memory/3500-27-0x0000000010000000-0x00000000101BA000-memory.dmp purplefox_rootkit behavioral2/memory/4612-40-0x0000000010000000-0x00000000101BA000-memory.dmp purplefox_rootkit behavioral2/memory/4612-39-0x0000000010000000-0x00000000101BA000-memory.dmp purplefox_rootkit behavioral2/memory/2972-52-0x0000000010000000-0x00000000101BA000-memory.dmp purplefox_rootkit behavioral2/memory/2972-50-0x0000000010000000-0x00000000101BA000-memory.dmp purplefox_rootkit behavioral2/memory/2972-55-0x0000000010000000-0x00000000101BA000-memory.dmp purplefox_rootkit -
Gh0st RAT payload 8 IoCs
resource yara_rule behavioral2/memory/3500-26-0x0000000010000000-0x00000000101BA000-memory.dmp family_gh0strat behavioral2/memory/3500-27-0x0000000010000000-0x00000000101BA000-memory.dmp family_gh0strat behavioral2/files/0x000a000000023b97-32.dat family_gh0strat behavioral2/memory/4612-40-0x0000000010000000-0x00000000101BA000-memory.dmp family_gh0strat behavioral2/memory/4612-39-0x0000000010000000-0x00000000101BA000-memory.dmp family_gh0strat behavioral2/memory/2972-52-0x0000000010000000-0x00000000101BA000-memory.dmp family_gh0strat behavioral2/memory/2972-50-0x0000000010000000-0x00000000101BA000-memory.dmp family_gh0strat behavioral2/memory/2972-55-0x0000000010000000-0x00000000101BA000-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\\240617937.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-1-5-21-3756129449-3121373848-4276368241-1000\Control Panel\International\Geo\Nation 8acac928a00aba1e560f2c85094cb18ebb982f784af75c9deada44c1939d8993.exe -
Drops startup file 1 IoCs
description ioc Process File created C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\win.lnk 8acac928a00aba1e560f2c85094cb18ebb982f784af75c9deada44c1939d8993.exe -
Executes dropped EXE 6 IoCs
pid Process 5096 AK47.exe 4924 AK47.exe 3500 AK74.exe 4612 Ghiya.exe 2972 Ghiya.exe 1472 Ö÷¶¯·ÀÓù·þÎñÄ£¿é.exe -
Loads dropped DLL 3 IoCs
pid Process 5096 AK47.exe 1748 svchost.exe 1472 Ö÷¶¯·ÀÓù·þÎñÄ£¿é.exe -
resource yara_rule behavioral2/memory/2000-0-0x0000000000400000-0x0000000000760000-memory.dmp vmprotect behavioral2/memory/2000-1-0x0000000000400000-0x0000000000760000-memory.dmp vmprotect behavioral2/files/0x000a000000023b9c-60.dat vmprotect behavioral2/memory/2000-70-0x0000000000400000-0x0000000000760000-memory.dmp vmprotect behavioral2/memory/2000-73-0x0000000000400000-0x0000000000760000-memory.dmp vmprotect behavioral2/memory/2000-76-0x0000000000400000-0x0000000000760000-memory.dmp vmprotect behavioral2/memory/2000-80-0x0000000000400000-0x0000000000760000-memory.dmp vmprotect behavioral2/memory/2000-83-0x0000000000400000-0x0000000000760000-memory.dmp vmprotect behavioral2/memory/2000-86-0x0000000000400000-0x0000000000760000-memory.dmp vmprotect behavioral2/memory/2000-89-0x0000000000400000-0x0000000000760000-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" 8acac928a00aba1e560f2c85094cb18ebb982f784af75c9deada44c1939d8993.exe -
Drops file in System32 directory 6 IoCs
description ioc Process File created C:\Windows\SysWOW64\240617937.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 File opened for modification C:\Windows\SysWOW64\Ö÷¶¯·ÀÓù·þÎñÄ£¿é.exe svchost.exe -
resource yara_rule behavioral2/memory/3500-26-0x0000000010000000-0x00000000101BA000-memory.dmp upx behavioral2/memory/3500-27-0x0000000010000000-0x00000000101BA000-memory.dmp upx behavioral2/memory/3500-24-0x0000000010000000-0x00000000101BA000-memory.dmp upx behavioral2/memory/4612-40-0x0000000010000000-0x00000000101BA000-memory.dmp upx behavioral2/memory/4612-39-0x0000000010000000-0x00000000101BA000-memory.dmp upx behavioral2/memory/4612-37-0x0000000010000000-0x00000000101BA000-memory.dmp upx behavioral2/memory/2972-52-0x0000000010000000-0x00000000101BA000-memory.dmp upx behavioral2/memory/2972-50-0x0000000010000000-0x00000000101BA000-memory.dmp upx behavioral2/memory/2972-55-0x0000000010000000-0x00000000101BA000-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 AK47.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language PING.EXE Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language AK74.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 cmd.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language WScript.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language Ö÷¶¯·ÀÓù·þÎñÄ£¿é.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language 8acac928a00aba1e560f2c85094cb18ebb982f784af75c9deada44c1939d8993.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 3272 cmd.exe 2740 PING.EXE -
Modifies registry class 1 IoCs
description ioc Process Key created \REGISTRY\USER\S-1-5-21-3756129449-3121373848-4276368241-1000_Classes\Local Settings 8acac928a00aba1e560f2c85094cb18ebb982f784af75c9deada44c1939d8993.exe -
Runs ping.exe 1 TTPs 1 IoCs
pid Process 2740 PING.EXE -
Suspicious behavior: EnumeratesProcesses 18 IoCs
pid Process 2000 8acac928a00aba1e560f2c85094cb18ebb982f784af75c9deada44c1939d8993.exe 2000 8acac928a00aba1e560f2c85094cb18ebb982f784af75c9deada44c1939d8993.exe 2000 8acac928a00aba1e560f2c85094cb18ebb982f784af75c9deada44c1939d8993.exe 2000 8acac928a00aba1e560f2c85094cb18ebb982f784af75c9deada44c1939d8993.exe 2000 8acac928a00aba1e560f2c85094cb18ebb982f784af75c9deada44c1939d8993.exe 2000 8acac928a00aba1e560f2c85094cb18ebb982f784af75c9deada44c1939d8993.exe 2000 8acac928a00aba1e560f2c85094cb18ebb982f784af75c9deada44c1939d8993.exe 2000 8acac928a00aba1e560f2c85094cb18ebb982f784af75c9deada44c1939d8993.exe 2000 8acac928a00aba1e560f2c85094cb18ebb982f784af75c9deada44c1939d8993.exe 2000 8acac928a00aba1e560f2c85094cb18ebb982f784af75c9deada44c1939d8993.exe 2000 8acac928a00aba1e560f2c85094cb18ebb982f784af75c9deada44c1939d8993.exe 2000 8acac928a00aba1e560f2c85094cb18ebb982f784af75c9deada44c1939d8993.exe 2000 8acac928a00aba1e560f2c85094cb18ebb982f784af75c9deada44c1939d8993.exe 2000 8acac928a00aba1e560f2c85094cb18ebb982f784af75c9deada44c1939d8993.exe 2000 8acac928a00aba1e560f2c85094cb18ebb982f784af75c9deada44c1939d8993.exe 2000 8acac928a00aba1e560f2c85094cb18ebb982f784af75c9deada44c1939d8993.exe 2000 8acac928a00aba1e560f2c85094cb18ebb982f784af75c9deada44c1939d8993.exe 2000 8acac928a00aba1e560f2c85094cb18ebb982f784af75c9deada44c1939d8993.exe -
Suspicious behavior: LoadsDriver 1 IoCs
pid Process 2972 Ghiya.exe -
Suspicious behavior: RenamesItself 1 IoCs
pid Process 2000 8acac928a00aba1e560f2c85094cb18ebb982f784af75c9deada44c1939d8993.exe -
Suspicious use of AdjustPrivilegeToken 6 IoCs
description pid Process Token: SeIncBasePriorityPrivilege 3500 AK74.exe Token: SeLoadDriverPrivilege 2972 Ghiya.exe Token: 33 2972 Ghiya.exe Token: SeIncBasePriorityPrivilege 2972 Ghiya.exe Token: 33 2972 Ghiya.exe Token: SeIncBasePriorityPrivilege 2972 Ghiya.exe -
Suspicious use of SetWindowsHookEx 2 IoCs
pid Process 2000 8acac928a00aba1e560f2c85094cb18ebb982f784af75c9deada44c1939d8993.exe 2000 8acac928a00aba1e560f2c85094cb18ebb982f784af75c9deada44c1939d8993.exe -
Suspicious use of WriteProcessMemory 24 IoCs
description pid Process procid_target PID 2000 wrote to memory of 5096 2000 8acac928a00aba1e560f2c85094cb18ebb982f784af75c9deada44c1939d8993.exe 82 PID 2000 wrote to memory of 5096 2000 8acac928a00aba1e560f2c85094cb18ebb982f784af75c9deada44c1939d8993.exe 82 PID 2000 wrote to memory of 5096 2000 8acac928a00aba1e560f2c85094cb18ebb982f784af75c9deada44c1939d8993.exe 82 PID 2000 wrote to memory of 4924 2000 8acac928a00aba1e560f2c85094cb18ebb982f784af75c9deada44c1939d8993.exe 83 PID 2000 wrote to memory of 4924 2000 8acac928a00aba1e560f2c85094cb18ebb982f784af75c9deada44c1939d8993.exe 83 PID 2000 wrote to memory of 4924 2000 8acac928a00aba1e560f2c85094cb18ebb982f784af75c9deada44c1939d8993.exe 83 PID 2000 wrote to memory of 3500 2000 8acac928a00aba1e560f2c85094cb18ebb982f784af75c9deada44c1939d8993.exe 84 PID 2000 wrote to memory of 3500 2000 8acac928a00aba1e560f2c85094cb18ebb982f784af75c9deada44c1939d8993.exe 84 PID 2000 wrote to memory of 3500 2000 8acac928a00aba1e560f2c85094cb18ebb982f784af75c9deada44c1939d8993.exe 84 PID 3500 wrote to memory of 3272 3500 AK74.exe 88 PID 3500 wrote to memory of 3272 3500 AK74.exe 88 PID 3500 wrote to memory of 3272 3500 AK74.exe 88 PID 4612 wrote to memory of 2972 4612 Ghiya.exe 89 PID 4612 wrote to memory of 2972 4612 Ghiya.exe 89 PID 4612 wrote to memory of 2972 4612 Ghiya.exe 89 PID 3272 wrote to memory of 2740 3272 cmd.exe 91 PID 3272 wrote to memory of 2740 3272 cmd.exe 91 PID 3272 wrote to memory of 2740 3272 cmd.exe 91 PID 2000 wrote to memory of 324 2000 8acac928a00aba1e560f2c85094cb18ebb982f784af75c9deada44c1939d8993.exe 92 PID 2000 wrote to memory of 324 2000 8acac928a00aba1e560f2c85094cb18ebb982f784af75c9deada44c1939d8993.exe 92 PID 2000 wrote to memory of 324 2000 8acac928a00aba1e560f2c85094cb18ebb982f784af75c9deada44c1939d8993.exe 92 PID 1748 wrote to memory of 1472 1748 svchost.exe 94 PID 1748 wrote to memory of 1472 1748 svchost.exe 94 PID 1748 wrote to memory of 1472 1748 svchost.exe 94
Processes
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C:\Users\Admin\AppData\Local\Temp\8acac928a00aba1e560f2c85094cb18ebb982f784af75c9deada44c1939d8993.exe"C:\Users\Admin\AppData\Local\Temp\8acac928a00aba1e560f2c85094cb18ebb982f784af75c9deada44c1939d8993.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:2000 -
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:5096
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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:4924
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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:3500 -
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:3272 -
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:2740
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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:324
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C:\Windows\SysWOW64\svchost.exeC:\Windows\SysWOW64\svchost.exe -k "Ö÷¶¯·ÀÓù·þÎñÄ£¿é"1⤵PID:1912
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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:1748 -
C:\Windows\SysWOW64\Ö÷¶¯·ÀÓù·þÎñÄ£¿é.exeC:\Windows\system32\Ö÷¶¯·ÀÓù·þÎñÄ£¿é.exe "c:\windows\system32\240617937.txt",MainThread2⤵
- Executes dropped EXE
- Loads dropped DLL
- System Location Discovery: System Language Discovery
PID:1472
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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:4612 -
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:2972
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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
MD5bf0093950d29ca47b0ad48316dbb0103
SHA10620af98807207bf298275d3e980a7e06c6648e6
SHA256adaa1df5eb24d46b2e498c406195802a1e6ddd6fa6936fa49883c268cfc02ab5
SHA512c88bd1d1e46d5a44c0e25c37204cf3f82ff8b4f72a6293f8498805673502675ca3a203ac7b055059a1dedc7a1001f029679127fc3f59e34451e84ebe38b2b3f4
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Filesize
1.2MB
MD59188b7d15eeb0b10cf1ce938ff558659
SHA13cff0ee23c8723914e13cf84e9ea305d517caeaa
SHA256f90e56f957493643a1023d1045bb5184a5756fff6e00ec41fcbd26321d17d58a
SHA5122c52c747f290d8b118af85344eb677f1d995efc27bb5dc48bf5d66f49303e7c75e7b2c83456797dba9ac9c36de66cc8592d2654bef0e6fc0851f6cea8d38dcc2
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Filesize
49KB
MD5480f874c21453a857a661d6d948bec7f
SHA1b675d0a0ac3a4448bb1e8976ab6ab0c58fec285a
SHA256d693dceb6ed78974f825fa3e241eb0895a406612d09c14dcea4e502d8d6d706a
SHA5121d5ffc9d39eabb8b0fe7881737359e24ecee8c4085456d80038bf6d2557a303d28487c246819ea197cf9cf3c15f2e202fe9ce399690e2e0eb5159c6175779b40
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Filesize
60KB
MD5889b99c52a60dd49227c5e485a016679
SHA18fa889e456aa646a4d0a4349977430ce5fa5e2d7
SHA2566cbe0e1f046b13b29bfa26f8b368281d2dda7eb9b718651d5856f22cc3e02910
SHA51208933106eaf338dd119c45cbf1f83e723aff77cc0f8d3fc84e36253b1eb31557a54211d1d5d1cb58958188e32064d451f6c66a24b3963cccd3de07299ab90641