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 07:14
Behavioral task
behavioral1
Sample
850e99739395a2a55510169af87de5d2103771baad1e86ac7b71bb592389030c.exe
Resource
win7-20241010-en
General
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Target
850e99739395a2a55510169af87de5d2103771baad1e86ac7b71bb592389030c.exe
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Size
1.2MB
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MD5
f1ed9f07750ceb3cc2988e48151e99ed
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SHA1
61c487e001e704364922f8fdb7e597489b1a2324
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SHA256
850e99739395a2a55510169af87de5d2103771baad1e86ac7b71bb592389030c
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SHA512
1bb8ce2449f7f7ebd3dc625cab962e61f34e7dd958a6ffe69df0c1e62e936f56568e09623d7a2f80dd45cf5b1b8fb509ff8299b2077c760d878f0cd668b26fda
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SSDEEP
24576:HovxCwgMBqHO5ZdYXOp0nQrXctTfK+d+MrTXowFlw57XYBwJtis:WIwgMEuy+inDfp3/XoCw57XYBwKs
Malware Config
Signatures
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resource yara_rule behavioral2/memory/1984-31-0x0000000010000000-0x00000000101BA000-memory.dmp purplefox_rootkit behavioral2/memory/1984-30-0x0000000010000000-0x00000000101BA000-memory.dmp purplefox_rootkit behavioral2/memory/1968-39-0x0000000010000000-0x00000000101BA000-memory.dmp purplefox_rootkit behavioral2/memory/1968-38-0x0000000010000000-0x00000000101BA000-memory.dmp purplefox_rootkit behavioral2/memory/2916-49-0x0000000010000000-0x00000000101BA000-memory.dmp purplefox_rootkit behavioral2/memory/2916-53-0x0000000010000000-0x00000000101BA000-memory.dmp purplefox_rootkit behavioral2/memory/2916-54-0x0000000010000000-0x00000000101BA000-memory.dmp purplefox_rootkit -
Gh0st RAT payload 8 IoCs
resource yara_rule behavioral2/files/0x000a000000023b72-17.dat family_gh0strat behavioral2/memory/1984-31-0x0000000010000000-0x00000000101BA000-memory.dmp family_gh0strat behavioral2/memory/1984-30-0x0000000010000000-0x00000000101BA000-memory.dmp family_gh0strat behavioral2/memory/1968-39-0x0000000010000000-0x00000000101BA000-memory.dmp family_gh0strat behavioral2/memory/1968-38-0x0000000010000000-0x00000000101BA000-memory.dmp family_gh0strat behavioral2/memory/2916-49-0x0000000010000000-0x00000000101BA000-memory.dmp family_gh0strat behavioral2/memory/2916-53-0x0000000010000000-0x00000000101BA000-memory.dmp family_gh0strat behavioral2/memory/2916-54-0x0000000010000000-0x00000000101BA000-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\\240615515.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 850e99739395a2a55510169af87de5d2103771baad1e86ac7b71bb592389030c.exe -
Drops startup file 1 IoCs
description ioc Process File created C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\win.lnk 850e99739395a2a55510169af87de5d2103771baad1e86ac7b71bb592389030c.exe -
Executes dropped EXE 6 IoCs
pid Process 1440 AK47.exe 1172 AK47.exe 1984 AK74.exe 1968 Ghiya.exe 2916 Ghiya.exe 2416 Ö÷¶¯·ÀÓù·þÎñÄ£¿é.exe -
Loads dropped DLL 3 IoCs
pid Process 1172 AK47.exe 1656 svchost.exe 2416 Ö÷¶¯·ÀÓù·þÎñÄ£¿é.exe -
resource yara_rule behavioral2/memory/2016-0-0x0000000000400000-0x0000000000760000-memory.dmp vmprotect behavioral2/memory/2016-1-0x0000000000400000-0x0000000000760000-memory.dmp vmprotect behavioral2/files/0x000b000000023b6f-59.dat vmprotect behavioral2/memory/2016-68-0x0000000000400000-0x0000000000760000-memory.dmp vmprotect behavioral2/memory/2016-71-0x0000000000400000-0x0000000000760000-memory.dmp vmprotect behavioral2/memory/2016-74-0x0000000000400000-0x0000000000760000-memory.dmp vmprotect behavioral2/memory/2016-78-0x0000000000400000-0x0000000000760000-memory.dmp vmprotect behavioral2/memory/2016-81-0x0000000000400000-0x0000000000760000-memory.dmp vmprotect behavioral2/memory/2016-84-0x0000000000400000-0x0000000000760000-memory.dmp vmprotect behavioral2/memory/2016-87-0x0000000000400000-0x0000000000760000-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" 850e99739395a2a55510169af87de5d2103771baad1e86ac7b71bb592389030c.exe -
Drops file in System32 directory 6 IoCs
description ioc Process File created C:\Windows\SysWOW64\240615515.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 behavioral2/memory/1984-28-0x0000000010000000-0x00000000101BA000-memory.dmp upx behavioral2/memory/1984-31-0x0000000010000000-0x00000000101BA000-memory.dmp upx behavioral2/memory/1984-30-0x0000000010000000-0x00000000101BA000-memory.dmp upx behavioral2/memory/1968-39-0x0000000010000000-0x00000000101BA000-memory.dmp upx behavioral2/memory/1968-38-0x0000000010000000-0x00000000101BA000-memory.dmp upx behavioral2/memory/1968-36-0x0000000010000000-0x00000000101BA000-memory.dmp upx behavioral2/memory/2916-49-0x0000000010000000-0x00000000101BA000-memory.dmp upx behavioral2/memory/2916-53-0x0000000010000000-0x00000000101BA000-memory.dmp upx behavioral2/memory/2916-54-0x0000000010000000-0x00000000101BA000-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 AK74.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language Ghiya.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language 850e99739395a2a55510169af87de5d2103771baad1e86ac7b71bb592389030c.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 cmd.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 -
System Network Configuration Discovery: Internet Connection Discovery 1 TTPs 2 IoCs
Adversaries may check for Internet connectivity on compromised systems.
pid Process 2860 cmd.exe 4404 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 850e99739395a2a55510169af87de5d2103771baad1e86ac7b71bb592389030c.exe -
Runs ping.exe 1 TTPs 1 IoCs
pid Process 4404 PING.EXE -
Suspicious behavior: EnumeratesProcesses 16 IoCs
pid Process 2016 850e99739395a2a55510169af87de5d2103771baad1e86ac7b71bb592389030c.exe 2016 850e99739395a2a55510169af87de5d2103771baad1e86ac7b71bb592389030c.exe 2016 850e99739395a2a55510169af87de5d2103771baad1e86ac7b71bb592389030c.exe 2016 850e99739395a2a55510169af87de5d2103771baad1e86ac7b71bb592389030c.exe 2016 850e99739395a2a55510169af87de5d2103771baad1e86ac7b71bb592389030c.exe 2016 850e99739395a2a55510169af87de5d2103771baad1e86ac7b71bb592389030c.exe 2016 850e99739395a2a55510169af87de5d2103771baad1e86ac7b71bb592389030c.exe 2016 850e99739395a2a55510169af87de5d2103771baad1e86ac7b71bb592389030c.exe 2016 850e99739395a2a55510169af87de5d2103771baad1e86ac7b71bb592389030c.exe 2016 850e99739395a2a55510169af87de5d2103771baad1e86ac7b71bb592389030c.exe 2016 850e99739395a2a55510169af87de5d2103771baad1e86ac7b71bb592389030c.exe 2016 850e99739395a2a55510169af87de5d2103771baad1e86ac7b71bb592389030c.exe 2016 850e99739395a2a55510169af87de5d2103771baad1e86ac7b71bb592389030c.exe 2016 850e99739395a2a55510169af87de5d2103771baad1e86ac7b71bb592389030c.exe 2016 850e99739395a2a55510169af87de5d2103771baad1e86ac7b71bb592389030c.exe 2016 850e99739395a2a55510169af87de5d2103771baad1e86ac7b71bb592389030c.exe -
Suspicious behavior: LoadsDriver 1 IoCs
pid Process 2916 Ghiya.exe -
Suspicious behavior: RenamesItself 1 IoCs
pid Process 2016 850e99739395a2a55510169af87de5d2103771baad1e86ac7b71bb592389030c.exe -
Suspicious use of AdjustPrivilegeToken 6 IoCs
description pid Process Token: SeIncBasePriorityPrivilege 1984 AK74.exe Token: SeLoadDriverPrivilege 2916 Ghiya.exe Token: 33 2916 Ghiya.exe Token: SeIncBasePriorityPrivilege 2916 Ghiya.exe Token: 33 2916 Ghiya.exe Token: SeIncBasePriorityPrivilege 2916 Ghiya.exe -
Suspicious use of SetWindowsHookEx 2 IoCs
pid Process 2016 850e99739395a2a55510169af87de5d2103771baad1e86ac7b71bb592389030c.exe 2016 850e99739395a2a55510169af87de5d2103771baad1e86ac7b71bb592389030c.exe -
Suspicious use of WriteProcessMemory 24 IoCs
description pid Process procid_target PID 2016 wrote to memory of 1440 2016 850e99739395a2a55510169af87de5d2103771baad1e86ac7b71bb592389030c.exe 85 PID 2016 wrote to memory of 1440 2016 850e99739395a2a55510169af87de5d2103771baad1e86ac7b71bb592389030c.exe 85 PID 2016 wrote to memory of 1440 2016 850e99739395a2a55510169af87de5d2103771baad1e86ac7b71bb592389030c.exe 85 PID 2016 wrote to memory of 1172 2016 850e99739395a2a55510169af87de5d2103771baad1e86ac7b71bb592389030c.exe 86 PID 2016 wrote to memory of 1172 2016 850e99739395a2a55510169af87de5d2103771baad1e86ac7b71bb592389030c.exe 86 PID 2016 wrote to memory of 1172 2016 850e99739395a2a55510169af87de5d2103771baad1e86ac7b71bb592389030c.exe 86 PID 2016 wrote to memory of 1984 2016 850e99739395a2a55510169af87de5d2103771baad1e86ac7b71bb592389030c.exe 90 PID 2016 wrote to memory of 1984 2016 850e99739395a2a55510169af87de5d2103771baad1e86ac7b71bb592389030c.exe 90 PID 2016 wrote to memory of 1984 2016 850e99739395a2a55510169af87de5d2103771baad1e86ac7b71bb592389030c.exe 90 PID 1984 wrote to memory of 2860 1984 AK74.exe 92 PID 1984 wrote to memory of 2860 1984 AK74.exe 92 PID 1984 wrote to memory of 2860 1984 AK74.exe 92 PID 1968 wrote to memory of 2916 1968 Ghiya.exe 93 PID 1968 wrote to memory of 2916 1968 Ghiya.exe 93 PID 1968 wrote to memory of 2916 1968 Ghiya.exe 93 PID 2016 wrote to memory of 428 2016 850e99739395a2a55510169af87de5d2103771baad1e86ac7b71bb592389030c.exe 95 PID 2016 wrote to memory of 428 2016 850e99739395a2a55510169af87de5d2103771baad1e86ac7b71bb592389030c.exe 95 PID 2016 wrote to memory of 428 2016 850e99739395a2a55510169af87de5d2103771baad1e86ac7b71bb592389030c.exe 95 PID 2860 wrote to memory of 4404 2860 cmd.exe 96 PID 2860 wrote to memory of 4404 2860 cmd.exe 96 PID 2860 wrote to memory of 4404 2860 cmd.exe 96 PID 1656 wrote to memory of 2416 1656 svchost.exe 102 PID 1656 wrote to memory of 2416 1656 svchost.exe 102 PID 1656 wrote to memory of 2416 1656 svchost.exe 102
Processes
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C:\Users\Admin\AppData\Local\Temp\850e99739395a2a55510169af87de5d2103771baad1e86ac7b71bb592389030c.exe"C:\Users\Admin\AppData\Local\Temp\850e99739395a2a55510169af87de5d2103771baad1e86ac7b71bb592389030c.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:2016 -
C:\Users\Admin\AppData\Local\Temp\AK47.exe"C:\Users\Admin\AppData\Local\Temp\AK47.exe"2⤵
- Executes dropped EXE
- System Location Discovery: System Language Discovery
PID:1440
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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:1172
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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:1984 -
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:2860 -
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:4404
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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:428
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C:\Windows\SysWOW64\svchost.exeC:\Windows\SysWOW64\svchost.exe -k "Ö÷¶¯·ÀÓù·þÎñÄ£¿é"1⤵PID:1432
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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:1656 -
C:\Windows\SysWOW64\Ö÷¶¯·ÀÓù·þÎñÄ£¿é.exeC:\Windows\system32\Ö÷¶¯·ÀÓù·þÎñÄ£¿é.exe "c:\windows\system32\240615515.txt",MainThread2⤵
- Executes dropped EXE
- Loads dropped DLL
- System Location Discovery: System Language Discovery
PID:2416
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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:1968 -
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:2916
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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
MD5c1c226099ba61db2c78ce334c8013af4
SHA1f7fec67f2920905f805347cfeb20e7c4752e5b79
SHA256d46170b5d7a5abb9cc4884d57d0452696f12f2278666570183dc2be3e3c8cf2e
SHA5123ed2a00ad48492df2e6bbdf099335dd8e3739323eb82f6781098e645748f2cf15866e0513a0d30fab027127058846f6c0cf4087ca048d02f950a98644175125b
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Filesize
1.2MB
MD560d7aedba46f2829755d1f516bf81612
SHA17fb800392a9d47a332b3831f7ee91ed3f934dc25
SHA256fe33c8d688182d218cccad749141dd9ae25946845000169533cb11512a694e13
SHA512c0707d8d511bc1994572e4fcafba988af0d788b60db37bcb5802485ca2a62009f207b7b4d7c510e72ddd7a2801068a72d4e28d8637ac9882eaf51b9317189ad4
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Filesize
49KB
MD50bbff31d8f7015c8aef35c1e09de476f
SHA13c941d6b9f08a60164b40336b5ba05bedfdd5309
SHA256d9222c71dd613c7d0b9a06b22fc73f2e0c0a691eaec8d4329fdf18a360f900a0
SHA5127fae991d17685801eb7e5673f1fa4d0a4b81c6a969f223bbdb32c5ef2ae4310f2f12ccf6b8fbec72f839bf21da7ed1cefd8982ac73ddea3083dbf5b240d52763
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Filesize
60KB
MD5889b99c52a60dd49227c5e485a016679
SHA18fa889e456aa646a4d0a4349977430ce5fa5e2d7
SHA2566cbe0e1f046b13b29bfa26f8b368281d2dda7eb9b718651d5856f22cc3e02910
SHA51208933106eaf338dd119c45cbf1f83e723aff77cc0f8d3fc84e36253b1eb31557a54211d1d5d1cb58958188e32064d451f6c66a24b3963cccd3de07299ab90641