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Analysis
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max time kernel
150s -
max time network
150s -
platform
windows7_x64 -
resource
win7-20240903-en -
resource tags
arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system -
submitted
30/12/2024, 19:48
Behavioral task
behavioral1
Sample
91c45fa307529273bc52bb9aa010f921819ac32c79bb864653a3f1309d564675.exe
Resource
win7-20240903-en
General
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Target
91c45fa307529273bc52bb9aa010f921819ac32c79bb864653a3f1309d564675.exe
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Size
1.2MB
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MD5
f61d0f64e5bdf32ce3e1cb68f0e5389a
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SHA1
b8b47f0b73bd8d8319112fa4c38ff300bb033f5e
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SHA256
91c45fa307529273bc52bb9aa010f921819ac32c79bb864653a3f1309d564675
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SHA512
32295c933e58870d53e6d6f71f339c98df2bfcb76f1bee0861cf44282dac4ef77e86c1d1508f66a565196e24a0d47c5f48d0d106df05c624fba305cd04323282
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SSDEEP
24576:HovxCwgMBqHO5ZdYXOp0nQrXctTfK+d+MrTXowFlw57XYBwJtiC:WIwgMEuy+inDfp3/XoCw57XYBwKC
Malware Config
Signatures
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resource yara_rule behavioral1/memory/2840-29-0x0000000010000000-0x00000000101BA000-memory.dmp purplefox_rootkit behavioral1/memory/2840-28-0x0000000010000000-0x00000000101BA000-memory.dmp purplefox_rootkit behavioral1/memory/3036-49-0x0000000010000000-0x00000000101BA000-memory.dmp purplefox_rootkit behavioral1/memory/3036-53-0x0000000010000000-0x00000000101BA000-memory.dmp purplefox_rootkit behavioral1/memory/3036-57-0x0000000010000000-0x00000000101BA000-memory.dmp purplefox_rootkit -
Gh0st RAT payload 6 IoCs
resource yara_rule behavioral1/files/0x000800000001937b-14.dat family_gh0strat behavioral1/memory/2840-29-0x0000000010000000-0x00000000101BA000-memory.dmp family_gh0strat behavioral1/memory/2840-28-0x0000000010000000-0x00000000101BA000-memory.dmp family_gh0strat behavioral1/memory/3036-49-0x0000000010000000-0x00000000101BA000-memory.dmp family_gh0strat behavioral1/memory/3036-53-0x0000000010000000-0x00000000101BA000-memory.dmp family_gh0strat behavioral1/memory/3036-57-0x0000000010000000-0x00000000101BA000-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\\259464341.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 -
Drops startup file 1 IoCs
description ioc Process File created C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\win.lnk 91c45fa307529273bc52bb9aa010f921819ac32c79bb864653a3f1309d564675.exe -
Executes dropped EXE 6 IoCs
pid Process 2936 AK47.exe 2752 AK47.exe 2840 AK74.exe 2544 Ghiya.exe 3036 Ghiya.exe 1900 Ö÷¶¯·ÀÓù·þÎñÄ£¿é.exe -
Loads dropped DLL 10 IoCs
pid Process 2144 91c45fa307529273bc52bb9aa010f921819ac32c79bb864653a3f1309d564675.exe 2144 91c45fa307529273bc52bb9aa010f921819ac32c79bb864653a3f1309d564675.exe 2936 AK47.exe 2708 svchost.exe 2144 91c45fa307529273bc52bb9aa010f921819ac32c79bb864653a3f1309d564675.exe 2544 Ghiya.exe 2144 91c45fa307529273bc52bb9aa010f921819ac32c79bb864653a3f1309d564675.exe 2144 91c45fa307529273bc52bb9aa010f921819ac32c79bb864653a3f1309d564675.exe 2708 svchost.exe 1900 Ö÷¶¯·ÀÓù·þÎñÄ£¿é.exe -
resource yara_rule behavioral1/memory/2144-0-0x0000000000400000-0x0000000000760000-memory.dmp vmprotect behavioral1/memory/2144-1-0x0000000000400000-0x0000000000760000-memory.dmp vmprotect behavioral1/files/0x0008000000019442-61.dat vmprotect behavioral1/memory/2144-74-0x0000000000400000-0x0000000000760000-memory.dmp vmprotect behavioral1/memory/2144-80-0x0000000000400000-0x0000000000760000-memory.dmp vmprotect behavioral1/memory/2144-83-0x0000000000400000-0x0000000000760000-memory.dmp vmprotect behavioral1/memory/2144-87-0x0000000000400000-0x0000000000760000-memory.dmp vmprotect behavioral1/memory/2144-90-0x0000000000400000-0x0000000000760000-memory.dmp vmprotect behavioral1/memory/2144-93-0x0000000000400000-0x0000000000760000-memory.dmp vmprotect behavioral1/memory/2144-96-0x0000000000400000-0x0000000000760000-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" 91c45fa307529273bc52bb9aa010f921819ac32c79bb864653a3f1309d564675.exe -
Drops file in System32 directory 7 IoCs
description ioc Process File created C:\Windows\SysWOW64\259464341.txt AK47.exe File created C:\Windows\SysWOW64\259464341.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 File opened for modification C:\Windows\SysWOW64\Ghiya.exe AK74.exe -
resource yara_rule behavioral1/memory/2840-29-0x0000000010000000-0x00000000101BA000-memory.dmp upx behavioral1/memory/2840-28-0x0000000010000000-0x00000000101BA000-memory.dmp upx behavioral1/memory/2840-26-0x0000000010000000-0x00000000101BA000-memory.dmp upx behavioral1/memory/3036-49-0x0000000010000000-0x00000000101BA000-memory.dmp upx behavioral1/memory/3036-53-0x0000000010000000-0x00000000101BA000-memory.dmp upx behavioral1/memory/3036-57-0x0000000010000000-0x00000000101BA000-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 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 WScript.exe 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 91c45fa307529273bc52bb9aa010f921819ac32c79bb864653a3f1309d564675.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language Ghiya.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language cmd.exe -
System Network Configuration Discovery: Internet Connection Discovery 1 TTPs 2 IoCs
Adversaries may check for Internet connectivity on compromised systems.
pid Process 3040 cmd.exe 2888 PING.EXE -
Runs ping.exe 1 TTPs 1 IoCs
pid Process 2888 PING.EXE -
Suspicious behavior: EnumeratesProcesses 8 IoCs
pid Process 2144 91c45fa307529273bc52bb9aa010f921819ac32c79bb864653a3f1309d564675.exe 2144 91c45fa307529273bc52bb9aa010f921819ac32c79bb864653a3f1309d564675.exe 2144 91c45fa307529273bc52bb9aa010f921819ac32c79bb864653a3f1309d564675.exe 2144 91c45fa307529273bc52bb9aa010f921819ac32c79bb864653a3f1309d564675.exe 2144 91c45fa307529273bc52bb9aa010f921819ac32c79bb864653a3f1309d564675.exe 2144 91c45fa307529273bc52bb9aa010f921819ac32c79bb864653a3f1309d564675.exe 2144 91c45fa307529273bc52bb9aa010f921819ac32c79bb864653a3f1309d564675.exe 2144 91c45fa307529273bc52bb9aa010f921819ac32c79bb864653a3f1309d564675.exe -
Suspicious behavior: LoadsDriver 1 IoCs
pid Process 3036 Ghiya.exe -
Suspicious behavior: RenamesItself 1 IoCs
pid Process 2144 91c45fa307529273bc52bb9aa010f921819ac32c79bb864653a3f1309d564675.exe -
Suspicious use of AdjustPrivilegeToken 6 IoCs
description pid Process Token: SeIncBasePriorityPrivilege 2840 AK74.exe Token: SeLoadDriverPrivilege 3036 Ghiya.exe Token: 33 3036 Ghiya.exe Token: SeIncBasePriorityPrivilege 3036 Ghiya.exe Token: 33 3036 Ghiya.exe Token: SeIncBasePriorityPrivilege 3036 Ghiya.exe -
Suspicious use of SetWindowsHookEx 2 IoCs
pid Process 2144 91c45fa307529273bc52bb9aa010f921819ac32c79bb864653a3f1309d564675.exe 2144 91c45fa307529273bc52bb9aa010f921819ac32c79bb864653a3f1309d564675.exe -
Suspicious use of WriteProcessMemory 38 IoCs
description pid Process procid_target PID 2144 wrote to memory of 2752 2144 91c45fa307529273bc52bb9aa010f921819ac32c79bb864653a3f1309d564675.exe 30 PID 2144 wrote to memory of 2752 2144 91c45fa307529273bc52bb9aa010f921819ac32c79bb864653a3f1309d564675.exe 30 PID 2144 wrote to memory of 2752 2144 91c45fa307529273bc52bb9aa010f921819ac32c79bb864653a3f1309d564675.exe 30 PID 2144 wrote to memory of 2752 2144 91c45fa307529273bc52bb9aa010f921819ac32c79bb864653a3f1309d564675.exe 30 PID 2144 wrote to memory of 2936 2144 91c45fa307529273bc52bb9aa010f921819ac32c79bb864653a3f1309d564675.exe 31 PID 2144 wrote to memory of 2936 2144 91c45fa307529273bc52bb9aa010f921819ac32c79bb864653a3f1309d564675.exe 31 PID 2144 wrote to memory of 2936 2144 91c45fa307529273bc52bb9aa010f921819ac32c79bb864653a3f1309d564675.exe 31 PID 2144 wrote to memory of 2936 2144 91c45fa307529273bc52bb9aa010f921819ac32c79bb864653a3f1309d564675.exe 31 PID 2144 wrote to memory of 2840 2144 91c45fa307529273bc52bb9aa010f921819ac32c79bb864653a3f1309d564675.exe 34 PID 2144 wrote to memory of 2840 2144 91c45fa307529273bc52bb9aa010f921819ac32c79bb864653a3f1309d564675.exe 34 PID 2144 wrote to memory of 2840 2144 91c45fa307529273bc52bb9aa010f921819ac32c79bb864653a3f1309d564675.exe 34 PID 2144 wrote to memory of 2840 2144 91c45fa307529273bc52bb9aa010f921819ac32c79bb864653a3f1309d564675.exe 34 PID 2144 wrote to memory of 2840 2144 91c45fa307529273bc52bb9aa010f921819ac32c79bb864653a3f1309d564675.exe 34 PID 2144 wrote to memory of 2840 2144 91c45fa307529273bc52bb9aa010f921819ac32c79bb864653a3f1309d564675.exe 34 PID 2144 wrote to memory of 2840 2144 91c45fa307529273bc52bb9aa010f921819ac32c79bb864653a3f1309d564675.exe 34 PID 2840 wrote to memory of 3040 2840 AK74.exe 36 PID 2840 wrote to memory of 3040 2840 AK74.exe 36 PID 2840 wrote to memory of 3040 2840 AK74.exe 36 PID 2840 wrote to memory of 3040 2840 AK74.exe 36 PID 2544 wrote to memory of 3036 2544 Ghiya.exe 37 PID 2544 wrote to memory of 3036 2544 Ghiya.exe 37 PID 2544 wrote to memory of 3036 2544 Ghiya.exe 37 PID 2544 wrote to memory of 3036 2544 Ghiya.exe 37 PID 2544 wrote to memory of 3036 2544 Ghiya.exe 37 PID 2544 wrote to memory of 3036 2544 Ghiya.exe 37 PID 2544 wrote to memory of 3036 2544 Ghiya.exe 37 PID 2144 wrote to memory of 1944 2144 91c45fa307529273bc52bb9aa010f921819ac32c79bb864653a3f1309d564675.exe 40 PID 2144 wrote to memory of 1944 2144 91c45fa307529273bc52bb9aa010f921819ac32c79bb864653a3f1309d564675.exe 40 PID 2144 wrote to memory of 1944 2144 91c45fa307529273bc52bb9aa010f921819ac32c79bb864653a3f1309d564675.exe 40 PID 2144 wrote to memory of 1944 2144 91c45fa307529273bc52bb9aa010f921819ac32c79bb864653a3f1309d564675.exe 40 PID 3040 wrote to memory of 2888 3040 cmd.exe 39 PID 3040 wrote to memory of 2888 3040 cmd.exe 39 PID 3040 wrote to memory of 2888 3040 cmd.exe 39 PID 3040 wrote to memory of 2888 3040 cmd.exe 39 PID 2708 wrote to memory of 1900 2708 svchost.exe 42 PID 2708 wrote to memory of 1900 2708 svchost.exe 42 PID 2708 wrote to memory of 1900 2708 svchost.exe 42 PID 2708 wrote to memory of 1900 2708 svchost.exe 42
Processes
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C:\Users\Admin\AppData\Local\Temp\91c45fa307529273bc52bb9aa010f921819ac32c79bb864653a3f1309d564675.exe"C:\Users\Admin\AppData\Local\Temp\91c45fa307529273bc52bb9aa010f921819ac32c79bb864653a3f1309d564675.exe"1⤵
- Drops startup file
- Loads dropped DLL
- Adds Run key to start application
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: RenamesItself
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:2144 -
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:2752
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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:2936
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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:2840 -
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:3040 -
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:2888
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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:1944
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C:\Windows\SysWOW64\svchost.exeC:\Windows\SysWOW64\svchost.exe -k "Ö÷¶¯·ÀÓù·þÎñÄ£¿é"1⤵PID:2276
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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\259464341.txt",MainThread2⤵
- Executes dropped EXE
- Loads dropped DLL
- System Location Discovery: System Language Discovery
PID:1900
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C:\Windows\SysWOW64\Ghiya.exeC:\Windows\SysWOW64\Ghiya.exe -auto1⤵
- Executes dropped EXE
- Loads dropped DLL
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2544 -
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:3036
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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
92B
MD529ce53e2a4a446614ccc8d64d346bde4
SHA139a7aa5cc1124842aa0c25abb16ea94452125cbe
SHA25656225be6838bc6e93ea215891eacf28844ae27a9f8b2b29bf19d3a8c2b1f58df
SHA512b2c5a2708c427171a5715801f8ea733ffe88d73aaaaf59c5c752ea32cbe7aae8526cc26eabe84ad5043174c0c69b1d6b15a9fb125c15accfac3462d5d08a0faa
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Filesize
753B
MD5c7ae10d591dc5abb1f5755b335b7d45a
SHA178f8e9d3a12d11b7e445feab7307eeb48aed71eb
SHA2561714fc94b7d266be2a1b8188d65b5e53b77504a1aa8583f5c79ffbac8c81d57e
SHA51279322806a5ea47178f882123f3bbe66471731bd1190b3e1c4a1577c518ba4f267c9af044cb483a9f04bd70e330b3e35b342faaa66e255d57b2ac10217d7a73b1
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Filesize
400KB
MD5b0998aa7d5071d33daa5b60b9c3c9735
SHA19365a1ff0c6de244d6f36c8d84072cc916665d3c
SHA2563080b6bb456564899b0d99d4131bd6a0b284d31f7d80ef773e4872d94048d49a
SHA512308c13cda9fea39b980ae686f44afd9090e9cb8970fffc4436320e0d09a31aee5e656914e0121fe888098a14c52749716fa04980396fd6ac70a88c11cbb6b850
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Filesize
1.2MB
MD50bd3f0adbb8d78fdf6f5f4f96127e895
SHA18b2f64b5f998ee859d6b97166e1a4d40130a332a
SHA2569857952a0e4f0aaf435831398cfef1fbce40f005c4d8a20399d16ea80b6f91d2
SHA51200e8715e59a69a732ac68108f47e33aa7b6eadd57628925ba8e1366e8024c418b7a4135faa829dd5c9b057483155e03fd49c8b1c9a3ed9b3b31972457eb33f73
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Filesize
49KB
MD50451de9ac86cc61031a16aa93942a61e
SHA1788696587daee8a100860a3423d7c9bde97d5601
SHA2563505b29f7cb605dfb15ba6738b647146178c9727f5c09392addb77073b9093ec
SHA5121a165910f3dedaa4e8101903558bcad130532722eb71284f674557b67e35381f3a3bdf4e2714f5eb279855147e2b7d32845efe8cd784d2190d8d44cde363d415
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Filesize
43KB
MD551138beea3e2c21ec44d0932c71762a8
SHA18939cf35447b22dd2c6e6f443446acc1bf986d58
SHA2565ad3c37e6f2b9db3ee8b5aeedc474645de90c66e3d95f8620c48102f1eba4124
SHA512794f30fe452117ff2a26dc9d7086aaf82b639c2632ac2e381a81f5239caaec7c96922ba5d2d90bfd8d74f0a6cd4f79fbda63e14c6b779e5cf6834c13e4e45e7d