Analysis
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max time kernel
150s -
max time network
149s -
platform
windows7_x64 -
resource
win7-20240903-en -
resource tags
arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system -
submitted
29-12-2024 06:52
Behavioral task
behavioral1
Sample
b91f95703f68975040a5cf91849095534101d15f181f860697ab10198c2a60ff.exe
Resource
win7-20240903-en
General
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Target
b91f95703f68975040a5cf91849095534101d15f181f860697ab10198c2a60ff.exe
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Size
1.2MB
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MD5
5dfb2a5a405f4018b0ba8eb4b4d69f6d
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SHA1
e87e21e09d1988f6284b00cfc07a917646586f12
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SHA256
b91f95703f68975040a5cf91849095534101d15f181f860697ab10198c2a60ff
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SHA512
ab3e13b22e19f87a1e172d12f48964f64e823f80692ed3a5657f6402f5c556f300da7f98db411856a84fb9153451f07e4f8201a25c149c0ef4e3b6c52da65ea8
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SSDEEP
24576:HovxCwgMBqHO5ZdYXOp0nQrXctTfK+d+MrTXowFlw57XYBwJtiN:WIwgMEuy+inDfp3/XoCw57XYBwKN
Malware Config
Signatures
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resource yara_rule behavioral1/memory/2124-29-0x0000000010000000-0x00000000101BA000-memory.dmp purplefox_rootkit behavioral1/memory/2124-28-0x0000000010000000-0x00000000101BA000-memory.dmp purplefox_rootkit behavioral1/memory/2600-49-0x0000000010000000-0x00000000101BA000-memory.dmp purplefox_rootkit behavioral1/memory/2600-53-0x0000000010000000-0x00000000101BA000-memory.dmp purplefox_rootkit behavioral1/memory/2600-54-0x0000000010000000-0x00000000101BA000-memory.dmp purplefox_rootkit -
Gh0st RAT payload 6 IoCs
resource yara_rule behavioral1/files/0x0008000000015d0d-14.dat family_gh0strat behavioral1/memory/2124-29-0x0000000010000000-0x00000000101BA000-memory.dmp family_gh0strat behavioral1/memory/2124-28-0x0000000010000000-0x00000000101BA000-memory.dmp family_gh0strat behavioral1/memory/2600-49-0x0000000010000000-0x00000000101BA000-memory.dmp family_gh0strat behavioral1/memory/2600-53-0x0000000010000000-0x00000000101BA000-memory.dmp family_gh0strat behavioral1/memory/2600-54-0x0000000010000000-0x00000000101BA000-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\\259426714.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 b91f95703f68975040a5cf91849095534101d15f181f860697ab10198c2a60ff.exe -
Executes dropped EXE 6 IoCs
pid Process 1328 AK47.exe 2368 AK47.exe 2124 AK74.exe 2376 Ghiya.exe 2600 Ghiya.exe 2320 Ö÷¶¯·ÀÓù·þÎñÄ£¿é.exe -
Loads dropped DLL 10 IoCs
pid Process 2868 b91f95703f68975040a5cf91849095534101d15f181f860697ab10198c2a60ff.exe 2868 b91f95703f68975040a5cf91849095534101d15f181f860697ab10198c2a60ff.exe 2368 AK47.exe 2928 svchost.exe 2868 b91f95703f68975040a5cf91849095534101d15f181f860697ab10198c2a60ff.exe 2376 Ghiya.exe 2868 b91f95703f68975040a5cf91849095534101d15f181f860697ab10198c2a60ff.exe 2868 b91f95703f68975040a5cf91849095534101d15f181f860697ab10198c2a60ff.exe 2928 svchost.exe 2320 Ö÷¶¯·ÀÓù·þÎñÄ£¿é.exe -
resource yara_rule behavioral1/memory/2868-0-0x0000000000400000-0x0000000000760000-memory.dmp vmprotect behavioral1/memory/2868-1-0x0000000000400000-0x0000000000760000-memory.dmp vmprotect behavioral1/files/0x0007000000015d6d-58.dat vmprotect behavioral1/memory/2868-74-0x0000000000400000-0x0000000000760000-memory.dmp vmprotect behavioral1/memory/2868-80-0x0000000000400000-0x0000000000760000-memory.dmp vmprotect behavioral1/memory/2868-83-0x0000000000400000-0x0000000000760000-memory.dmp vmprotect behavioral1/memory/2868-87-0x0000000000400000-0x0000000000760000-memory.dmp vmprotect behavioral1/memory/2868-90-0x0000000000400000-0x0000000000760000-memory.dmp vmprotect behavioral1/memory/2868-93-0x0000000000400000-0x0000000000760000-memory.dmp vmprotect behavioral1/memory/2868-96-0x0000000000400000-0x0000000000760000-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" b91f95703f68975040a5cf91849095534101d15f181f860697ab10198c2a60ff.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\259426714.txt AK47.exe File created C:\Windows\SysWOW64\259426714.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 behavioral1/memory/2124-26-0x0000000010000000-0x00000000101BA000-memory.dmp upx behavioral1/memory/2124-29-0x0000000010000000-0x00000000101BA000-memory.dmp upx behavioral1/memory/2124-28-0x0000000010000000-0x00000000101BA000-memory.dmp upx behavioral1/memory/2600-49-0x0000000010000000-0x00000000101BA000-memory.dmp upx behavioral1/memory/2600-53-0x0000000010000000-0x00000000101BA000-memory.dmp upx behavioral1/memory/2600-54-0x0000000010000000-0x00000000101BA000-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 AK47.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language Ghiya.exe 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 b91f95703f68975040a5cf91849095534101d15f181f860697ab10198c2a60ff.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 cmd.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 -
System Network Configuration Discovery: Internet Connection Discovery 1 TTPs 2 IoCs
Adversaries may check for Internet connectivity on compromised systems.
pid Process 2236 cmd.exe 2500 PING.EXE -
Runs ping.exe 1 TTPs 1 IoCs
pid Process 2500 PING.EXE -
Suspicious behavior: EnumeratesProcesses 8 IoCs
pid Process 2868 b91f95703f68975040a5cf91849095534101d15f181f860697ab10198c2a60ff.exe 2868 b91f95703f68975040a5cf91849095534101d15f181f860697ab10198c2a60ff.exe 2868 b91f95703f68975040a5cf91849095534101d15f181f860697ab10198c2a60ff.exe 2868 b91f95703f68975040a5cf91849095534101d15f181f860697ab10198c2a60ff.exe 2868 b91f95703f68975040a5cf91849095534101d15f181f860697ab10198c2a60ff.exe 2868 b91f95703f68975040a5cf91849095534101d15f181f860697ab10198c2a60ff.exe 2868 b91f95703f68975040a5cf91849095534101d15f181f860697ab10198c2a60ff.exe 2868 b91f95703f68975040a5cf91849095534101d15f181f860697ab10198c2a60ff.exe -
Suspicious behavior: LoadsDriver 1 IoCs
pid Process 2600 Ghiya.exe -
Suspicious behavior: RenamesItself 1 IoCs
pid Process 2868 b91f95703f68975040a5cf91849095534101d15f181f860697ab10198c2a60ff.exe -
Suspicious use of AdjustPrivilegeToken 6 IoCs
description pid Process Token: SeIncBasePriorityPrivilege 2124 AK74.exe Token: SeLoadDriverPrivilege 2600 Ghiya.exe Token: 33 2600 Ghiya.exe Token: SeIncBasePriorityPrivilege 2600 Ghiya.exe Token: 33 2600 Ghiya.exe Token: SeIncBasePriorityPrivilege 2600 Ghiya.exe -
Suspicious use of SetWindowsHookEx 2 IoCs
pid Process 2868 b91f95703f68975040a5cf91849095534101d15f181f860697ab10198c2a60ff.exe 2868 b91f95703f68975040a5cf91849095534101d15f181f860697ab10198c2a60ff.exe -
Suspicious use of WriteProcessMemory 38 IoCs
description pid Process procid_target PID 2868 wrote to memory of 1328 2868 b91f95703f68975040a5cf91849095534101d15f181f860697ab10198c2a60ff.exe 28 PID 2868 wrote to memory of 1328 2868 b91f95703f68975040a5cf91849095534101d15f181f860697ab10198c2a60ff.exe 28 PID 2868 wrote to memory of 1328 2868 b91f95703f68975040a5cf91849095534101d15f181f860697ab10198c2a60ff.exe 28 PID 2868 wrote to memory of 1328 2868 b91f95703f68975040a5cf91849095534101d15f181f860697ab10198c2a60ff.exe 28 PID 2868 wrote to memory of 2368 2868 b91f95703f68975040a5cf91849095534101d15f181f860697ab10198c2a60ff.exe 29 PID 2868 wrote to memory of 2368 2868 b91f95703f68975040a5cf91849095534101d15f181f860697ab10198c2a60ff.exe 29 PID 2868 wrote to memory of 2368 2868 b91f95703f68975040a5cf91849095534101d15f181f860697ab10198c2a60ff.exe 29 PID 2868 wrote to memory of 2368 2868 b91f95703f68975040a5cf91849095534101d15f181f860697ab10198c2a60ff.exe 29 PID 2868 wrote to memory of 2124 2868 b91f95703f68975040a5cf91849095534101d15f181f860697ab10198c2a60ff.exe 32 PID 2868 wrote to memory of 2124 2868 b91f95703f68975040a5cf91849095534101d15f181f860697ab10198c2a60ff.exe 32 PID 2868 wrote to memory of 2124 2868 b91f95703f68975040a5cf91849095534101d15f181f860697ab10198c2a60ff.exe 32 PID 2868 wrote to memory of 2124 2868 b91f95703f68975040a5cf91849095534101d15f181f860697ab10198c2a60ff.exe 32 PID 2868 wrote to memory of 2124 2868 b91f95703f68975040a5cf91849095534101d15f181f860697ab10198c2a60ff.exe 32 PID 2868 wrote to memory of 2124 2868 b91f95703f68975040a5cf91849095534101d15f181f860697ab10198c2a60ff.exe 32 PID 2868 wrote to memory of 2124 2868 b91f95703f68975040a5cf91849095534101d15f181f860697ab10198c2a60ff.exe 32 PID 2124 wrote to memory of 2236 2124 AK74.exe 34 PID 2124 wrote to memory of 2236 2124 AK74.exe 34 PID 2124 wrote to memory of 2236 2124 AK74.exe 34 PID 2124 wrote to memory of 2236 2124 AK74.exe 34 PID 2376 wrote to memory of 2600 2376 Ghiya.exe 35 PID 2376 wrote to memory of 2600 2376 Ghiya.exe 35 PID 2376 wrote to memory of 2600 2376 Ghiya.exe 35 PID 2376 wrote to memory of 2600 2376 Ghiya.exe 35 PID 2376 wrote to memory of 2600 2376 Ghiya.exe 35 PID 2376 wrote to memory of 2600 2376 Ghiya.exe 35 PID 2376 wrote to memory of 2600 2376 Ghiya.exe 35 PID 2236 wrote to memory of 2500 2236 cmd.exe 37 PID 2236 wrote to memory of 2500 2236 cmd.exe 37 PID 2236 wrote to memory of 2500 2236 cmd.exe 37 PID 2236 wrote to memory of 2500 2236 cmd.exe 37 PID 2868 wrote to memory of 2520 2868 b91f95703f68975040a5cf91849095534101d15f181f860697ab10198c2a60ff.exe 38 PID 2868 wrote to memory of 2520 2868 b91f95703f68975040a5cf91849095534101d15f181f860697ab10198c2a60ff.exe 38 PID 2868 wrote to memory of 2520 2868 b91f95703f68975040a5cf91849095534101d15f181f860697ab10198c2a60ff.exe 38 PID 2868 wrote to memory of 2520 2868 b91f95703f68975040a5cf91849095534101d15f181f860697ab10198c2a60ff.exe 38 PID 2928 wrote to memory of 2320 2928 svchost.exe 40 PID 2928 wrote to memory of 2320 2928 svchost.exe 40 PID 2928 wrote to memory of 2320 2928 svchost.exe 40 PID 2928 wrote to memory of 2320 2928 svchost.exe 40
Processes
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C:\Users\Admin\AppData\Local\Temp\b91f95703f68975040a5cf91849095534101d15f181f860697ab10198c2a60ff.exe"C:\Users\Admin\AppData\Local\Temp\b91f95703f68975040a5cf91849095534101d15f181f860697ab10198c2a60ff.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:2868 -
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:1328
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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:2368
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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:2124 -
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:2236 -
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:2500
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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:2520
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C:\Windows\SysWOW64\svchost.exeC:\Windows\SysWOW64\svchost.exe -k "Ö÷¶¯·ÀÓù·þÎñÄ£¿é"1⤵PID:2896
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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:2928 -
C:\Windows\SysWOW64\Ö÷¶¯·ÀÓù·þÎñÄ£¿é.exeC:\Windows\system32\Ö÷¶¯·ÀÓù·þÎñÄ£¿é.exe "c:\windows\system32\259426714.txt",MainThread2⤵
- Executes dropped EXE
- Loads dropped DLL
- System Location Discovery: System Language Discovery
PID:2320
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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:2376 -
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:2600
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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
92B
MD529ce53e2a4a446614ccc8d64d346bde4
SHA139a7aa5cc1124842aa0c25abb16ea94452125cbe
SHA25656225be6838bc6e93ea215891eacf28844ae27a9f8b2b29bf19d3a8c2b1f58df
SHA512b2c5a2708c427171a5715801f8ea733ffe88d73aaaaf59c5c752ea32cbe7aae8526cc26eabe84ad5043174c0c69b1d6b15a9fb125c15accfac3462d5d08a0faa
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Filesize
753B
MD5db4b210e9a9127ac1031da9a1c1e0891
SHA10e4a6810afc43bd7982522c0db1319cbc34ec044
SHA256bbee15fcc8cc8ecb474a0843ed1f89262bdb4b4fb6cf539af45802c10e66d552
SHA5120f2c4e94eb8ce950938b492b8d5212da7ab1129d6c1c0c077cabc99c42597c41f32ca4dd982fcbb01c059b13f51c204843ef945bac63ef702d1eabf069981563
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Filesize
43KB
MD551138beea3e2c21ec44d0932c71762a8
SHA18939cf35447b22dd2c6e6f443446acc1bf986d58
SHA2565ad3c37e6f2b9db3ee8b5aeedc474645de90c66e3d95f8620c48102f1eba4124
SHA512794f30fe452117ff2a26dc9d7086aaf82b639c2632ac2e381a81f5239caaec7c96922ba5d2d90bfd8d74f0a6cd4f79fbda63e14c6b779e5cf6834c13e4e45e7d
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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
1.2MB
MD525da1b743703b0a37c6a17072091e372
SHA14460865aa4341df9fd4f09515c0876bb2d880f30
SHA256c87d802ae4cd51826f551c2d1e71c8bd7c4ee5661ca1a8095d9572c33bd04894
SHA512aac4c568301d9334c04751cf9421d692b4489f8071d3f69a6980386882cee8f25bfcd183b2ef19ca782b73b977354047147a817c46d2aabb43254b02662c763f
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Filesize
49KB
MD500fa76747150a8a629e2002a36cfbc33
SHA168d23d45fcf16649e98c89da83b4801194059427
SHA25615ba035d5421ef29773ebb1cd841d5d0a3d8af18cba9480e1f4cd0f81b79ed17
SHA512b0d223ecb216315083829253e3a5180b8a178da602f38edff9853a1824bf77e1aae5611545b71e27faf1322b18da848b92d8da19a6254c0d81a530290083a45b