Analysis
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max time kernel
84s -
max time network
146s -
platform
windows10-2004_x64 -
resource
win10v2004-20241007-en -
resource tags
arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system -
submitted
01-11-2024 08:14
Behavioral task
behavioral1
Sample
a7f155469b0da457fe7ed66b9cef8e41506c0b388c9735bb0e728e506e55ebe5.exe
Resource
win7-20241010-en
General
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Target
a7f155469b0da457fe7ed66b9cef8e41506c0b388c9735bb0e728e506e55ebe5.exe
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Size
1.2MB
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MD5
038722a0eeb20d614ddb6856388b3188
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SHA1
90eb642c628025720cc6a9ac4e5ad4c90952343b
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SHA256
a7f155469b0da457fe7ed66b9cef8e41506c0b388c9735bb0e728e506e55ebe5
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SHA512
c4dda0db456d6814818c8c8ef874a9611ae1b254b8fecf8b5434527590b661b9117fb9f70c3c0278a0b3a876f188f6fe10e79493b8cd039a1be7ddcde2426085
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SSDEEP
24576:HovxCwgMBqHO5ZdYXOp0nQrXctTfK+d+MrTXowFlw57XYBwJtii:WIwgMEuy+inDfp3/XoCw57XYBwKi
Malware Config
Signatures
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resource yara_rule behavioral2/memory/1932-30-0x0000000010000000-0x00000000101BA000-memory.dmp purplefox_rootkit behavioral2/memory/1932-31-0x0000000010000000-0x00000000101BA000-memory.dmp purplefox_rootkit behavioral2/memory/5032-38-0x0000000010000000-0x00000000101BA000-memory.dmp purplefox_rootkit behavioral2/memory/2520-49-0x0000000010000000-0x00000000101BA000-memory.dmp purplefox_rootkit behavioral2/memory/2520-51-0x0000000010000000-0x00000000101BA000-memory.dmp purplefox_rootkit behavioral2/memory/5032-39-0x0000000010000000-0x00000000101BA000-memory.dmp purplefox_rootkit behavioral2/memory/2520-54-0x0000000010000000-0x00000000101BA000-memory.dmp purplefox_rootkit -
Gh0st RAT payload 8 IoCs
resource yara_rule behavioral2/memory/1932-30-0x0000000010000000-0x00000000101BA000-memory.dmp family_gh0strat behavioral2/memory/1932-31-0x0000000010000000-0x00000000101BA000-memory.dmp family_gh0strat behavioral2/memory/5032-38-0x0000000010000000-0x00000000101BA000-memory.dmp family_gh0strat behavioral2/memory/2520-49-0x0000000010000000-0x00000000101BA000-memory.dmp family_gh0strat behavioral2/memory/2520-51-0x0000000010000000-0x00000000101BA000-memory.dmp family_gh0strat behavioral2/memory/5032-39-0x0000000010000000-0x00000000101BA000-memory.dmp family_gh0strat behavioral2/memory/2520-54-0x0000000010000000-0x00000000101BA000-memory.dmp family_gh0strat behavioral2/files/0x0007000000023c85-22.dat 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\\240622093.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-1-5-21-2878641211-696417878-3864914810-1000\Control Panel\International\Geo\Nation a7f155469b0da457fe7ed66b9cef8e41506c0b388c9735bb0e728e506e55ebe5.exe -
Drops startup file 1 IoCs
description ioc Process File created C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\win.lnk a7f155469b0da457fe7ed66b9cef8e41506c0b388c9735bb0e728e506e55ebe5.exe -
Executes dropped EXE 6 IoCs
pid Process 3404 AK47.exe 4268 AK47.exe 1932 AK74.exe 5032 Ghiya.exe 2520 Ghiya.exe 2348 Ö÷¶¯·ÀÓù·þÎñÄ£¿é.exe -
Loads dropped DLL 3 IoCs
pid Process 4268 AK47.exe 2708 svchost.exe 2348 Ö÷¶¯·ÀÓù·þÎñÄ£¿é.exe -
resource yara_rule behavioral2/memory/2800-0-0x0000000000400000-0x0000000000760000-memory.dmp vmprotect behavioral2/memory/2800-1-0x0000000000400000-0x0000000000760000-memory.dmp vmprotect behavioral2/files/0x0007000000023c8a-61.dat vmprotect behavioral2/memory/2800-71-0x0000000000400000-0x0000000000760000-memory.dmp vmprotect behavioral2/memory/2800-74-0x0000000000400000-0x0000000000760000-memory.dmp vmprotect behavioral2/memory/2800-77-0x0000000000400000-0x0000000000760000-memory.dmp vmprotect behavioral2/memory/2800-81-0x0000000000400000-0x0000000000760000-memory.dmp vmprotect behavioral2/memory/2800-84-0x0000000000400000-0x0000000000760000-memory.dmp vmprotect behavioral2/memory/2800-87-0x0000000000400000-0x0000000000760000-memory.dmp vmprotect behavioral2/memory/2800-90-0x0000000000400000-0x0000000000760000-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" a7f155469b0da457fe7ed66b9cef8e41506c0b388c9735bb0e728e506e55ebe5.exe -
Drops file in System32 directory 7 IoCs
description ioc Process File opened for modification C:\Windows\SysWOW64\Ghiya.exe AK74.exe File created C:\Windows\SysWOW64\240622093.txt AK47.exe File created C:\Windows\SysWOW64\240622093.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 File created C:\Windows\SysWOW64\Ghiya.exe AK74.exe -
resource yara_rule behavioral2/memory/1932-30-0x0000000010000000-0x00000000101BA000-memory.dmp upx behavioral2/memory/1932-31-0x0000000010000000-0x00000000101BA000-memory.dmp upx behavioral2/memory/5032-38-0x0000000010000000-0x00000000101BA000-memory.dmp upx behavioral2/memory/2520-49-0x0000000010000000-0x00000000101BA000-memory.dmp upx behavioral2/memory/2520-51-0x0000000010000000-0x00000000101BA000-memory.dmp upx behavioral2/memory/5032-39-0x0000000010000000-0x00000000101BA000-memory.dmp upx behavioral2/memory/5032-36-0x0000000010000000-0x00000000101BA000-memory.dmp upx behavioral2/memory/2520-54-0x0000000010000000-0x00000000101BA000-memory.dmp upx behavioral2/memory/1932-28-0x0000000010000000-0x00000000101BA000-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 11 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 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 a7f155469b0da457fe7ed66b9cef8e41506c0b388c9735bb0e728e506e55ebe5.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 WScript.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 Ghiya.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 3412 cmd.exe 2716 PING.EXE -
Modifies registry class 1 IoCs
description ioc Process Key created \REGISTRY\USER\S-1-5-21-2878641211-696417878-3864914810-1000_Classes\Local Settings a7f155469b0da457fe7ed66b9cef8e41506c0b388c9735bb0e728e506e55ebe5.exe -
Runs ping.exe 1 TTPs 1 IoCs
pid Process 2716 PING.EXE -
Suspicious behavior: EnumeratesProcesses 10 IoCs
pid Process 2800 a7f155469b0da457fe7ed66b9cef8e41506c0b388c9735bb0e728e506e55ebe5.exe 2800 a7f155469b0da457fe7ed66b9cef8e41506c0b388c9735bb0e728e506e55ebe5.exe 2800 a7f155469b0da457fe7ed66b9cef8e41506c0b388c9735bb0e728e506e55ebe5.exe 2800 a7f155469b0da457fe7ed66b9cef8e41506c0b388c9735bb0e728e506e55ebe5.exe 2800 a7f155469b0da457fe7ed66b9cef8e41506c0b388c9735bb0e728e506e55ebe5.exe 2800 a7f155469b0da457fe7ed66b9cef8e41506c0b388c9735bb0e728e506e55ebe5.exe 2800 a7f155469b0da457fe7ed66b9cef8e41506c0b388c9735bb0e728e506e55ebe5.exe 2800 a7f155469b0da457fe7ed66b9cef8e41506c0b388c9735bb0e728e506e55ebe5.exe 2800 a7f155469b0da457fe7ed66b9cef8e41506c0b388c9735bb0e728e506e55ebe5.exe 2800 a7f155469b0da457fe7ed66b9cef8e41506c0b388c9735bb0e728e506e55ebe5.exe -
Suspicious behavior: LoadsDriver 1 IoCs
pid Process 2520 Ghiya.exe -
Suspicious behavior: RenamesItself 1 IoCs
pid Process 2800 a7f155469b0da457fe7ed66b9cef8e41506c0b388c9735bb0e728e506e55ebe5.exe -
Suspicious use of AdjustPrivilegeToken 4 IoCs
description pid Process Token: SeIncBasePriorityPrivilege 1932 AK74.exe Token: SeLoadDriverPrivilege 2520 Ghiya.exe Token: 33 2520 Ghiya.exe Token: SeIncBasePriorityPrivilege 2520 Ghiya.exe -
Suspicious use of SetWindowsHookEx 2 IoCs
pid Process 2800 a7f155469b0da457fe7ed66b9cef8e41506c0b388c9735bb0e728e506e55ebe5.exe 2800 a7f155469b0da457fe7ed66b9cef8e41506c0b388c9735bb0e728e506e55ebe5.exe -
Suspicious use of WriteProcessMemory 27 IoCs
description pid Process procid_target PID 2800 wrote to memory of 3404 2800 a7f155469b0da457fe7ed66b9cef8e41506c0b388c9735bb0e728e506e55ebe5.exe 87 PID 2800 wrote to memory of 3404 2800 a7f155469b0da457fe7ed66b9cef8e41506c0b388c9735bb0e728e506e55ebe5.exe 87 PID 2800 wrote to memory of 3404 2800 a7f155469b0da457fe7ed66b9cef8e41506c0b388c9735bb0e728e506e55ebe5.exe 87 PID 2800 wrote to memory of 4268 2800 a7f155469b0da457fe7ed66b9cef8e41506c0b388c9735bb0e728e506e55ebe5.exe 88 PID 2800 wrote to memory of 4268 2800 a7f155469b0da457fe7ed66b9cef8e41506c0b388c9735bb0e728e506e55ebe5.exe 88 PID 2800 wrote to memory of 4268 2800 a7f155469b0da457fe7ed66b9cef8e41506c0b388c9735bb0e728e506e55ebe5.exe 88 PID 2800 wrote to memory of 1932 2800 a7f155469b0da457fe7ed66b9cef8e41506c0b388c9735bb0e728e506e55ebe5.exe 91 PID 2800 wrote to memory of 1932 2800 a7f155469b0da457fe7ed66b9cef8e41506c0b388c9735bb0e728e506e55ebe5.exe 91 PID 2800 wrote to memory of 1932 2800 a7f155469b0da457fe7ed66b9cef8e41506c0b388c9735bb0e728e506e55ebe5.exe 91 PID 1932 wrote to memory of 3412 1932 AK74.exe 93 PID 1932 wrote to memory of 3412 1932 AK74.exe 93 PID 1932 wrote to memory of 3412 1932 AK74.exe 93 PID 5032 wrote to memory of 2520 5032 Ghiya.exe 94 PID 5032 wrote to memory of 2520 5032 Ghiya.exe 94 PID 5032 wrote to memory of 2520 5032 Ghiya.exe 94 PID 2800 wrote to memory of 3496 2800 a7f155469b0da457fe7ed66b9cef8e41506c0b388c9735bb0e728e506e55ebe5.exe 97 PID 2800 wrote to memory of 3496 2800 a7f155469b0da457fe7ed66b9cef8e41506c0b388c9735bb0e728e506e55ebe5.exe 97 PID 2800 wrote to memory of 3496 2800 a7f155469b0da457fe7ed66b9cef8e41506c0b388c9735bb0e728e506e55ebe5.exe 97 PID 2800 wrote to memory of 4448 2800 a7f155469b0da457fe7ed66b9cef8e41506c0b388c9735bb0e728e506e55ebe5.exe 98 PID 2800 wrote to memory of 4448 2800 a7f155469b0da457fe7ed66b9cef8e41506c0b388c9735bb0e728e506e55ebe5.exe 98 PID 2800 wrote to memory of 4448 2800 a7f155469b0da457fe7ed66b9cef8e41506c0b388c9735bb0e728e506e55ebe5.exe 98 PID 3412 wrote to memory of 2716 3412 cmd.exe 100 PID 3412 wrote to memory of 2716 3412 cmd.exe 100 PID 3412 wrote to memory of 2716 3412 cmd.exe 100 PID 2708 wrote to memory of 2348 2708 svchost.exe 104 PID 2708 wrote to memory of 2348 2708 svchost.exe 104 PID 2708 wrote to memory of 2348 2708 svchost.exe 104
Processes
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C:\Users\Admin\AppData\Local\Temp\a7f155469b0da457fe7ed66b9cef8e41506c0b388c9735bb0e728e506e55ebe5.exe"C:\Users\Admin\AppData\Local\Temp\a7f155469b0da457fe7ed66b9cef8e41506c0b388c9735bb0e728e506e55ebe5.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:2800 -
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:3404
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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:4268
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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:1932 -
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:3412 -
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:2716
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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:3496
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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:4448
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C:\Windows\SysWOW64\svchost.exeC:\Windows\SysWOW64\svchost.exe -k "Ö÷¶¯·ÀÓù·þÎñÄ£¿é"1⤵PID:4580
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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:2708 -
C:\Windows\SysWOW64\Ö÷¶¯·ÀÓù·þÎñÄ£¿é.exeC:\Windows\system32\Ö÷¶¯·ÀÓù·þÎñÄ£¿é.exe "c:\windows\system32\240622093.txt",MainThread2⤵
- Executes dropped EXE
- Loads dropped DLL
- System Location Discovery: System Language Discovery
PID:2348
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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:5032 -
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:2520
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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
MD549d7604517534e9e2e46693a4302cb20
SHA1f3d66aa428445fb3fe96b8eacb5bea73736eada8
SHA256082f796ceee9bbe6ddddd869fc9c8e0afdc4499e066caaf1c2d325465f18306b
SHA5122c0829d6ecef882c06a4f6d756161e6791825f372d492056d11327ac9696358a8490a059685201f5092ca1ee10b5fa299b7d2af7549d81a006d9b0d12120f18a
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Filesize
1.2MB
MD544f54cf9e9173f74c3c221bb343a6d88
SHA1732fdd565d177b17f4f28df863311dbce900b782
SHA2562a3a94fcaefe358476c516eac10b6534b23dcbf5962045f9fa7f6a6a8e51801a
SHA5126d052a56a36cba73f058c48b3a28c29feb19925c7885ae0b349606a451b85e65f9c4e351771b5be1365dcf454a71b9e2c491df55035408395b518a54f5b315ad
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Filesize
49KB
MD5cd18cfa66d41e47ee107da1c10b3d1a4
SHA13462efbd9419c5f61d040303d5b311d54378a304
SHA25611763db1896b529b7c5de6b1b0a9235a9e63dba4032bc16dc203217afb779536
SHA512dfaa89b21881eb172949554ba09a6b3e04692b03d9a1310da1910c7e406f9002129941b49556444439bd1d98a09be23d796ad9034d914011be7781feae5644b2
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Filesize
60KB
MD5889b99c52a60dd49227c5e485a016679
SHA18fa889e456aa646a4d0a4349977430ce5fa5e2d7
SHA2566cbe0e1f046b13b29bfa26f8b368281d2dda7eb9b718651d5856f22cc3e02910
SHA51208933106eaf338dd119c45cbf1f83e723aff77cc0f8d3fc84e36253b1eb31557a54211d1d5d1cb58958188e32064d451f6c66a24b3963cccd3de07299ab90641