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
07-11-2024 06:11
Behavioral task
behavioral1
Sample
77dd06e6711c39720324af887f5cc7c0920e1a52d6a16a16f490d071f998a81d.exe
Resource
win7-20240708-en
General
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Target
77dd06e6711c39720324af887f5cc7c0920e1a52d6a16a16f490d071f998a81d.exe
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Size
1.2MB
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MD5
4ad5a0cfc522d932dc07e2818b940474
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SHA1
7091492f09edadd36ccdf0e44fbfe73b63df4c0c
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SHA256
77dd06e6711c39720324af887f5cc7c0920e1a52d6a16a16f490d071f998a81d
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SHA512
ce18f5df1d1bc554c808b2ce4036cd49118d801d79736ba1cf2db9401f9210314ce91bc553b8151f1473e75c0bc6f027ae8ceffa373dd8cb143de96021a17f5e
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SSDEEP
24576:HovxCwgMBqHO5ZdYXOp0nQrXctTfK+d+MrTXowFlw57XYBwJtiD:WIwgMEuy+inDfp3/XoCw57XYBwKD
Malware Config
Signatures
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resource yara_rule behavioral2/memory/2936-27-0x0000000010000000-0x00000000101BA000-memory.dmp purplefox_rootkit behavioral2/memory/2936-26-0x0000000010000000-0x00000000101BA000-memory.dmp purplefox_rootkit behavioral2/memory/2900-39-0x0000000010000000-0x00000000101BA000-memory.dmp purplefox_rootkit behavioral2/memory/2900-40-0x0000000010000000-0x00000000101BA000-memory.dmp purplefox_rootkit behavioral2/memory/3748-50-0x0000000010000000-0x00000000101BA000-memory.dmp purplefox_rootkit behavioral2/memory/3748-55-0x0000000010000000-0x00000000101BA000-memory.dmp purplefox_rootkit -
Gh0st RAT payload 7 IoCs
resource yara_rule behavioral2/files/0x0008000000023c69-17.dat family_gh0strat behavioral2/memory/2936-27-0x0000000010000000-0x00000000101BA000-memory.dmp family_gh0strat behavioral2/memory/2936-26-0x0000000010000000-0x00000000101BA000-memory.dmp family_gh0strat behavioral2/memory/2900-39-0x0000000010000000-0x00000000101BA000-memory.dmp family_gh0strat behavioral2/memory/2900-40-0x0000000010000000-0x00000000101BA000-memory.dmp family_gh0strat behavioral2/memory/3748-50-0x0000000010000000-0x00000000101BA000-memory.dmp family_gh0strat behavioral2/memory/3748-55-0x0000000010000000-0x00000000101BA000-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\\240628687.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 77dd06e6711c39720324af887f5cc7c0920e1a52d6a16a16f490d071f998a81d.exe -
Drops startup file 1 IoCs
description ioc Process File created C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\win.lnk 77dd06e6711c39720324af887f5cc7c0920e1a52d6a16a16f490d071f998a81d.exe -
Executes dropped EXE 6 IoCs
pid Process 856 AK47.exe 4852 AK47.exe 2936 AK74.exe 2900 Ghiya.exe 3748 Ghiya.exe 2384 Ö÷¶¯·ÀÓù·þÎñÄ£¿é.exe -
Loads dropped DLL 3 IoCs
pid Process 856 AK47.exe 1016 svchost.exe 2384 Ö÷¶¯·ÀÓù·þÎñÄ£¿é.exe -
resource yara_rule behavioral2/memory/2920-0-0x0000000000400000-0x0000000000760000-memory.dmp vmprotect behavioral2/memory/2920-1-0x0000000000400000-0x0000000000760000-memory.dmp vmprotect behavioral2/files/0x0009000000023c66-62.dat vmprotect behavioral2/memory/2920-72-0x0000000000400000-0x0000000000760000-memory.dmp vmprotect behavioral2/memory/2920-75-0x0000000000400000-0x0000000000760000-memory.dmp vmprotect behavioral2/memory/2920-78-0x0000000000400000-0x0000000000760000-memory.dmp vmprotect behavioral2/memory/2920-82-0x0000000000400000-0x0000000000760000-memory.dmp vmprotect behavioral2/memory/2920-85-0x0000000000400000-0x0000000000760000-memory.dmp vmprotect behavioral2/memory/2920-88-0x0000000000400000-0x0000000000760000-memory.dmp vmprotect behavioral2/memory/2920-91-0x0000000000400000-0x0000000000760000-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" 77dd06e6711c39720324af887f5cc7c0920e1a52d6a16a16f490d071f998a81d.exe -
Drops file in System32 directory 7 IoCs
description ioc Process File opened for modification C:\Windows\SysWOW64\Ö÷¶¯·ÀÓù·þÎñÄ£¿é.exe svchost.exe File created C:\Windows\SysWOW64\240628687.txt AK47.exe File created C:\Windows\SysWOW64\240628687.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 -
resource yara_rule behavioral2/memory/2936-24-0x0000000010000000-0x00000000101BA000-memory.dmp upx behavioral2/memory/2936-27-0x0000000010000000-0x00000000101BA000-memory.dmp upx behavioral2/memory/2936-26-0x0000000010000000-0x00000000101BA000-memory.dmp upx behavioral2/memory/2900-39-0x0000000010000000-0x00000000101BA000-memory.dmp upx behavioral2/memory/2900-40-0x0000000010000000-0x00000000101BA000-memory.dmp upx behavioral2/memory/2900-37-0x0000000010000000-0x00000000101BA000-memory.dmp upx behavioral2/memory/3748-50-0x0000000010000000-0x00000000101BA000-memory.dmp upx behavioral2/memory/3748-55-0x0000000010000000-0x00000000101BA000-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 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 PING.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 AK47.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language AK47.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 77dd06e6711c39720324af887f5cc7c0920e1a52d6a16a16f490d071f998a81d.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 WScript.exe -
System Network Configuration Discovery: Internet Connection Discovery 1 TTPs 2 IoCs
Adversaries may check for Internet connectivity on compromised systems.
pid Process 4496 cmd.exe 2084 PING.EXE -
Modifies registry class 1 IoCs
description ioc Process Key created \REGISTRY\USER\S-1-5-21-2437139445-1151884604-3026847218-1000_Classes\Local Settings 77dd06e6711c39720324af887f5cc7c0920e1a52d6a16a16f490d071f998a81d.exe -
Runs ping.exe 1 TTPs 1 IoCs
pid Process 2084 PING.EXE -
Suspicious behavior: EnumeratesProcesses 16 IoCs
pid Process 2920 77dd06e6711c39720324af887f5cc7c0920e1a52d6a16a16f490d071f998a81d.exe 2920 77dd06e6711c39720324af887f5cc7c0920e1a52d6a16a16f490d071f998a81d.exe 2920 77dd06e6711c39720324af887f5cc7c0920e1a52d6a16a16f490d071f998a81d.exe 2920 77dd06e6711c39720324af887f5cc7c0920e1a52d6a16a16f490d071f998a81d.exe 2920 77dd06e6711c39720324af887f5cc7c0920e1a52d6a16a16f490d071f998a81d.exe 2920 77dd06e6711c39720324af887f5cc7c0920e1a52d6a16a16f490d071f998a81d.exe 2920 77dd06e6711c39720324af887f5cc7c0920e1a52d6a16a16f490d071f998a81d.exe 2920 77dd06e6711c39720324af887f5cc7c0920e1a52d6a16a16f490d071f998a81d.exe 2920 77dd06e6711c39720324af887f5cc7c0920e1a52d6a16a16f490d071f998a81d.exe 2920 77dd06e6711c39720324af887f5cc7c0920e1a52d6a16a16f490d071f998a81d.exe 2920 77dd06e6711c39720324af887f5cc7c0920e1a52d6a16a16f490d071f998a81d.exe 2920 77dd06e6711c39720324af887f5cc7c0920e1a52d6a16a16f490d071f998a81d.exe 2920 77dd06e6711c39720324af887f5cc7c0920e1a52d6a16a16f490d071f998a81d.exe 2920 77dd06e6711c39720324af887f5cc7c0920e1a52d6a16a16f490d071f998a81d.exe 2920 77dd06e6711c39720324af887f5cc7c0920e1a52d6a16a16f490d071f998a81d.exe 2920 77dd06e6711c39720324af887f5cc7c0920e1a52d6a16a16f490d071f998a81d.exe -
Suspicious behavior: LoadsDriver 1 IoCs
pid Process 3748 Ghiya.exe -
Suspicious behavior: RenamesItself 1 IoCs
pid Process 2920 77dd06e6711c39720324af887f5cc7c0920e1a52d6a16a16f490d071f998a81d.exe -
Suspicious use of AdjustPrivilegeToken 6 IoCs
description pid Process Token: SeIncBasePriorityPrivilege 2936 AK74.exe Token: SeLoadDriverPrivilege 3748 Ghiya.exe Token: 33 3748 Ghiya.exe Token: SeIncBasePriorityPrivilege 3748 Ghiya.exe Token: 33 3748 Ghiya.exe Token: SeIncBasePriorityPrivilege 3748 Ghiya.exe -
Suspicious use of SetWindowsHookEx 2 IoCs
pid Process 2920 77dd06e6711c39720324af887f5cc7c0920e1a52d6a16a16f490d071f998a81d.exe 2920 77dd06e6711c39720324af887f5cc7c0920e1a52d6a16a16f490d071f998a81d.exe -
Suspicious use of WriteProcessMemory 27 IoCs
description pid Process procid_target PID 2920 wrote to memory of 856 2920 77dd06e6711c39720324af887f5cc7c0920e1a52d6a16a16f490d071f998a81d.exe 83 PID 2920 wrote to memory of 856 2920 77dd06e6711c39720324af887f5cc7c0920e1a52d6a16a16f490d071f998a81d.exe 83 PID 2920 wrote to memory of 856 2920 77dd06e6711c39720324af887f5cc7c0920e1a52d6a16a16f490d071f998a81d.exe 83 PID 2920 wrote to memory of 4852 2920 77dd06e6711c39720324af887f5cc7c0920e1a52d6a16a16f490d071f998a81d.exe 84 PID 2920 wrote to memory of 4852 2920 77dd06e6711c39720324af887f5cc7c0920e1a52d6a16a16f490d071f998a81d.exe 84 PID 2920 wrote to memory of 4852 2920 77dd06e6711c39720324af887f5cc7c0920e1a52d6a16a16f490d071f998a81d.exe 84 PID 2920 wrote to memory of 2936 2920 77dd06e6711c39720324af887f5cc7c0920e1a52d6a16a16f490d071f998a81d.exe 86 PID 2920 wrote to memory of 2936 2920 77dd06e6711c39720324af887f5cc7c0920e1a52d6a16a16f490d071f998a81d.exe 86 PID 2920 wrote to memory of 2936 2920 77dd06e6711c39720324af887f5cc7c0920e1a52d6a16a16f490d071f998a81d.exe 86 PID 2936 wrote to memory of 4496 2936 AK74.exe 90 PID 2936 wrote to memory of 4496 2936 AK74.exe 90 PID 2936 wrote to memory of 4496 2936 AK74.exe 90 PID 2900 wrote to memory of 3748 2900 Ghiya.exe 91 PID 2900 wrote to memory of 3748 2900 Ghiya.exe 91 PID 2900 wrote to memory of 3748 2900 Ghiya.exe 91 PID 4496 wrote to memory of 2084 4496 cmd.exe 93 PID 4496 wrote to memory of 2084 4496 cmd.exe 93 PID 4496 wrote to memory of 2084 4496 cmd.exe 93 PID 2920 wrote to memory of 3728 2920 77dd06e6711c39720324af887f5cc7c0920e1a52d6a16a16f490d071f998a81d.exe 95 PID 2920 wrote to memory of 3728 2920 77dd06e6711c39720324af887f5cc7c0920e1a52d6a16a16f490d071f998a81d.exe 95 PID 2920 wrote to memory of 3728 2920 77dd06e6711c39720324af887f5cc7c0920e1a52d6a16a16f490d071f998a81d.exe 95 PID 2920 wrote to memory of 4932 2920 77dd06e6711c39720324af887f5cc7c0920e1a52d6a16a16f490d071f998a81d.exe 96 PID 2920 wrote to memory of 4932 2920 77dd06e6711c39720324af887f5cc7c0920e1a52d6a16a16f490d071f998a81d.exe 96 PID 2920 wrote to memory of 4932 2920 77dd06e6711c39720324af887f5cc7c0920e1a52d6a16a16f490d071f998a81d.exe 96 PID 1016 wrote to memory of 2384 1016 svchost.exe 101 PID 1016 wrote to memory of 2384 1016 svchost.exe 101 PID 1016 wrote to memory of 2384 1016 svchost.exe 101
Processes
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C:\Users\Admin\AppData\Local\Temp\77dd06e6711c39720324af887f5cc7c0920e1a52d6a16a16f490d071f998a81d.exe"C:\Users\Admin\AppData\Local\Temp\77dd06e6711c39720324af887f5cc7c0920e1a52d6a16a16f490d071f998a81d.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:2920 -
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:856
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C:\Users\Admin\AppData\Local\Temp\AK47.exeC:\Users\Admin\AppData\Local\Temp\\AK47.exe2⤵
- Executes dropped EXE
- Drops file in System32 directory
- System Location Discovery: System Language Discovery
PID:4852
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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:2936 -
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:4496 -
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:2084
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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:3728
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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:4932
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C:\Windows\SysWOW64\svchost.exeC:\Windows\SysWOW64\svchost.exe -k "Ö÷¶¯·ÀÓù·þÎñÄ£¿é"1⤵PID:1776
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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:1016 -
C:\Windows\SysWOW64\Ö÷¶¯·ÀÓù·þÎñÄ£¿é.exeC:\Windows\system32\Ö÷¶¯·ÀÓù·þÎñÄ£¿é.exe "c:\windows\system32\240628687.txt",MainThread2⤵
- Executes dropped EXE
- Loads dropped DLL
- System Location Discovery: System Language Discovery
PID:2384
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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:2900 -
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:3748
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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
MD502d5e3b45c745756bd34094b9da37b48
SHA1997f22f707cac631ec2d0943b4f6ec81ebabe0b3
SHA2568812761a87d05a62375315dd274b1e5abca7af689928f37443f6cfdac64495de
SHA512aae138da103f59f864697d93a901b8a7a0001ccaaf3fa9f14fff0ca0d3dfd0c72524dc39bfcf58a767c126c34f2d9a8fe242fc950b06df8642fe5e3fbf772472
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Filesize
1.2MB
MD54a8adb99b6136d56295ea1a6742c20cc
SHA12146208bfaf6c2182ae3273c4eb64677519dc61c
SHA2567c0c349bda2594384d439a650e3c1322d8e485f22aac8894d33432ed562a0408
SHA512fb623e8d478d29b1f76be60df1f175f0f2226fa5262f750726b44dc430124f1fefe7d01fb75afd1ee6c975e350bc599bc6f7986cb981d9632a51d92c025eb99e
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Filesize
49KB
MD51c7bfe6b340c105ef9bcb1e7f1a7c666
SHA1c02d8942837c2786e5117c72eff9fbbbf3cf91ef
SHA25667a490f3cde5d2ccf43b5e2ab27cb89ae6fb146a593066ace9b2ac74c89bf2c2
SHA512bc83b6ec0eabacb3cbd31b0138baa518ea55f13c014f34fcba601e7af7ee63b3bdf14bbb0d7190d52d61ab618a778c7f7882fc242433f289bff2031c46cbe0bc
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Filesize
60KB
MD5889b99c52a60dd49227c5e485a016679
SHA18fa889e456aa646a4d0a4349977430ce5fa5e2d7
SHA2566cbe0e1f046b13b29bfa26f8b368281d2dda7eb9b718651d5856f22cc3e02910
SHA51208933106eaf338dd119c45cbf1f83e723aff77cc0f8d3fc84e36253b1eb31557a54211d1d5d1cb58958188e32064d451f6c66a24b3963cccd3de07299ab90641