Analysis
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max time kernel
150s -
max time network
148s -
platform
windows10-2004_x64 -
resource
win10v2004-20241007-en -
resource tags
arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system -
submitted
14-11-2024 20:04
Behavioral task
behavioral1
Sample
81a26bf7baefb846b7eb66e25333e789bbb15dc4112286e925cbc8fa24ebe03a.exe
Resource
win7-20240903-en
General
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Target
81a26bf7baefb846b7eb66e25333e789bbb15dc4112286e925cbc8fa24ebe03a.exe
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Size
1.2MB
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MD5
bf52d70dece5112a611601cb94f8ac8e
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SHA1
191b775da37b103ea8c386d5bdd0d563ef0e9d8c
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SHA256
81a26bf7baefb846b7eb66e25333e789bbb15dc4112286e925cbc8fa24ebe03a
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SHA512
6f054bcf332bf715a96c66ff5004813c06f4fd5930137e0b10edf1f5c2efd5d31f12563e67457d19eb4de82669d1b027dc5a9c6ea10b94ac58c9fc79eae1a408
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SSDEEP
24576:HovxCwgMBqHO5ZdYXOp0nQrXctTfK+d+MrTXowFlw57XYBwJti+:WIwgMEuy+inDfp3/XoCw57XYBwK+
Malware Config
Signatures
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resource yara_rule behavioral2/memory/4744-30-0x0000000010000000-0x00000000101BA000-memory.dmp purplefox_rootkit behavioral2/memory/4744-31-0x0000000010000000-0x00000000101BA000-memory.dmp purplefox_rootkit behavioral2/memory/2684-49-0x0000000010000000-0x00000000101BA000-memory.dmp purplefox_rootkit behavioral2/memory/3424-39-0x0000000010000000-0x00000000101BA000-memory.dmp purplefox_rootkit behavioral2/memory/2684-53-0x0000000010000000-0x00000000101BA000-memory.dmp purplefox_rootkit behavioral2/memory/3424-38-0x0000000010000000-0x00000000101BA000-memory.dmp purplefox_rootkit behavioral2/memory/2684-54-0x0000000010000000-0x00000000101BA000-memory.dmp purplefox_rootkit -
Gh0st RAT payload 8 IoCs
resource yara_rule behavioral2/files/0x0008000000023c95-17.dat family_gh0strat behavioral2/memory/4744-30-0x0000000010000000-0x00000000101BA000-memory.dmp family_gh0strat behavioral2/memory/4744-31-0x0000000010000000-0x00000000101BA000-memory.dmp family_gh0strat behavioral2/memory/2684-49-0x0000000010000000-0x00000000101BA000-memory.dmp family_gh0strat behavioral2/memory/3424-39-0x0000000010000000-0x00000000101BA000-memory.dmp family_gh0strat behavioral2/memory/2684-53-0x0000000010000000-0x00000000101BA000-memory.dmp family_gh0strat behavioral2/memory/3424-38-0x0000000010000000-0x00000000101BA000-memory.dmp family_gh0strat behavioral2/memory/2684-54-0x0000000010000000-0x00000000101BA000-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\\240631031.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-1-5-21-3227495264-2217614367-4027411560-1000\Control Panel\International\Geo\Nation 81a26bf7baefb846b7eb66e25333e789bbb15dc4112286e925cbc8fa24ebe03a.exe -
Drops startup file 1 IoCs
description ioc Process File created C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\win.lnk 81a26bf7baefb846b7eb66e25333e789bbb15dc4112286e925cbc8fa24ebe03a.exe -
Executes dropped EXE 6 IoCs
pid Process 4844 AK47.exe 2148 AK47.exe 4744 AK74.exe 3424 Ghiya.exe 2684 Ghiya.exe 1776 Ö÷¶¯·ÀÓù·þÎñÄ£¿é.exe -
Loads dropped DLL 3 IoCs
pid Process 2148 AK47.exe 1176 svchost.exe 1776 Ö÷¶¯·ÀÓù·þÎñÄ£¿é.exe -
resource yara_rule behavioral2/memory/1892-0-0x0000000000400000-0x0000000000760000-memory.dmp vmprotect behavioral2/memory/1892-1-0x0000000000400000-0x0000000000760000-memory.dmp vmprotect behavioral2/files/0x0007000000023c9d-59.dat vmprotect behavioral2/memory/1892-68-0x0000000000400000-0x0000000000760000-memory.dmp vmprotect behavioral2/memory/1892-71-0x0000000000400000-0x0000000000760000-memory.dmp vmprotect behavioral2/memory/1892-74-0x0000000000400000-0x0000000000760000-memory.dmp vmprotect behavioral2/memory/1892-78-0x0000000000400000-0x0000000000760000-memory.dmp vmprotect behavioral2/memory/1892-81-0x0000000000400000-0x0000000000760000-memory.dmp vmprotect behavioral2/memory/1892-84-0x0000000000400000-0x0000000000760000-memory.dmp vmprotect behavioral2/memory/1892-87-0x0000000000400000-0x0000000000760000-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" 81a26bf7baefb846b7eb66e25333e789bbb15dc4112286e925cbc8fa24ebe03a.exe -
Drops file in System32 directory 7 IoCs
description ioc Process File created C:\Windows\SysWOW64\Ghiya.exe AK74.exe File opened for modification C:\Windows\SysWOW64\Ghiya.exe AK74.exe File created C:\Windows\SysWOW64\240631031.txt AK47.exe File created C:\Windows\SysWOW64\240631031.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 -
resource yara_rule behavioral2/memory/4744-28-0x0000000010000000-0x00000000101BA000-memory.dmp upx behavioral2/memory/4744-30-0x0000000010000000-0x00000000101BA000-memory.dmp upx behavioral2/memory/4744-31-0x0000000010000000-0x00000000101BA000-memory.dmp upx behavioral2/memory/2684-49-0x0000000010000000-0x00000000101BA000-memory.dmp upx behavioral2/memory/3424-39-0x0000000010000000-0x00000000101BA000-memory.dmp upx behavioral2/memory/2684-53-0x0000000010000000-0x00000000101BA000-memory.dmp upx behavioral2/memory/3424-38-0x0000000010000000-0x00000000101BA000-memory.dmp upx behavioral2/memory/3424-36-0x0000000010000000-0x00000000101BA000-memory.dmp upx behavioral2/memory/2684-54-0x0000000010000000-0x00000000101BA000-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 WScript.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language 81a26bf7baefb846b7eb66e25333e789bbb15dc4112286e925cbc8fa24ebe03a.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 AK74.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language Ö÷¶¯·ÀÓù·þÎñÄ£¿é.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 cmd.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language PING.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 4972 PING.EXE -
Modifies registry class 1 IoCs
description ioc Process Key created \REGISTRY\USER\S-1-5-21-3227495264-2217614367-4027411560-1000_Classes\Local Settings 81a26bf7baefb846b7eb66e25333e789bbb15dc4112286e925cbc8fa24ebe03a.exe -
Runs ping.exe 1 TTPs 1 IoCs
pid Process 4972 PING.EXE -
Suspicious behavior: EnumeratesProcesses 16 IoCs
pid Process 1892 81a26bf7baefb846b7eb66e25333e789bbb15dc4112286e925cbc8fa24ebe03a.exe 1892 81a26bf7baefb846b7eb66e25333e789bbb15dc4112286e925cbc8fa24ebe03a.exe 1892 81a26bf7baefb846b7eb66e25333e789bbb15dc4112286e925cbc8fa24ebe03a.exe 1892 81a26bf7baefb846b7eb66e25333e789bbb15dc4112286e925cbc8fa24ebe03a.exe 1892 81a26bf7baefb846b7eb66e25333e789bbb15dc4112286e925cbc8fa24ebe03a.exe 1892 81a26bf7baefb846b7eb66e25333e789bbb15dc4112286e925cbc8fa24ebe03a.exe 1892 81a26bf7baefb846b7eb66e25333e789bbb15dc4112286e925cbc8fa24ebe03a.exe 1892 81a26bf7baefb846b7eb66e25333e789bbb15dc4112286e925cbc8fa24ebe03a.exe 1892 81a26bf7baefb846b7eb66e25333e789bbb15dc4112286e925cbc8fa24ebe03a.exe 1892 81a26bf7baefb846b7eb66e25333e789bbb15dc4112286e925cbc8fa24ebe03a.exe 1892 81a26bf7baefb846b7eb66e25333e789bbb15dc4112286e925cbc8fa24ebe03a.exe 1892 81a26bf7baefb846b7eb66e25333e789bbb15dc4112286e925cbc8fa24ebe03a.exe 1892 81a26bf7baefb846b7eb66e25333e789bbb15dc4112286e925cbc8fa24ebe03a.exe 1892 81a26bf7baefb846b7eb66e25333e789bbb15dc4112286e925cbc8fa24ebe03a.exe 1892 81a26bf7baefb846b7eb66e25333e789bbb15dc4112286e925cbc8fa24ebe03a.exe 1892 81a26bf7baefb846b7eb66e25333e789bbb15dc4112286e925cbc8fa24ebe03a.exe -
Suspicious behavior: LoadsDriver 1 IoCs
pid Process 2684 Ghiya.exe -
Suspicious behavior: RenamesItself 1 IoCs
pid Process 1892 81a26bf7baefb846b7eb66e25333e789bbb15dc4112286e925cbc8fa24ebe03a.exe -
Suspicious use of AdjustPrivilegeToken 6 IoCs
description pid Process Token: SeIncBasePriorityPrivilege 4744 AK74.exe Token: SeLoadDriverPrivilege 2684 Ghiya.exe Token: 33 2684 Ghiya.exe Token: SeIncBasePriorityPrivilege 2684 Ghiya.exe Token: 33 2684 Ghiya.exe Token: SeIncBasePriorityPrivilege 2684 Ghiya.exe -
Suspicious use of SetWindowsHookEx 2 IoCs
pid Process 1892 81a26bf7baefb846b7eb66e25333e789bbb15dc4112286e925cbc8fa24ebe03a.exe 1892 81a26bf7baefb846b7eb66e25333e789bbb15dc4112286e925cbc8fa24ebe03a.exe -
Suspicious use of WriteProcessMemory 24 IoCs
description pid Process procid_target PID 1892 wrote to memory of 4844 1892 81a26bf7baefb846b7eb66e25333e789bbb15dc4112286e925cbc8fa24ebe03a.exe 86 PID 1892 wrote to memory of 4844 1892 81a26bf7baefb846b7eb66e25333e789bbb15dc4112286e925cbc8fa24ebe03a.exe 86 PID 1892 wrote to memory of 4844 1892 81a26bf7baefb846b7eb66e25333e789bbb15dc4112286e925cbc8fa24ebe03a.exe 86 PID 1892 wrote to memory of 2148 1892 81a26bf7baefb846b7eb66e25333e789bbb15dc4112286e925cbc8fa24ebe03a.exe 87 PID 1892 wrote to memory of 2148 1892 81a26bf7baefb846b7eb66e25333e789bbb15dc4112286e925cbc8fa24ebe03a.exe 87 PID 1892 wrote to memory of 2148 1892 81a26bf7baefb846b7eb66e25333e789bbb15dc4112286e925cbc8fa24ebe03a.exe 87 PID 1892 wrote to memory of 4744 1892 81a26bf7baefb846b7eb66e25333e789bbb15dc4112286e925cbc8fa24ebe03a.exe 90 PID 1892 wrote to memory of 4744 1892 81a26bf7baefb846b7eb66e25333e789bbb15dc4112286e925cbc8fa24ebe03a.exe 90 PID 1892 wrote to memory of 4744 1892 81a26bf7baefb846b7eb66e25333e789bbb15dc4112286e925cbc8fa24ebe03a.exe 90 PID 4744 wrote to memory of 3040 4744 AK74.exe 92 PID 4744 wrote to memory of 3040 4744 AK74.exe 92 PID 4744 wrote to memory of 3040 4744 AK74.exe 92 PID 3424 wrote to memory of 2684 3424 Ghiya.exe 93 PID 3424 wrote to memory of 2684 3424 Ghiya.exe 93 PID 3424 wrote to memory of 2684 3424 Ghiya.exe 93 PID 1892 wrote to memory of 5020 1892 81a26bf7baefb846b7eb66e25333e789bbb15dc4112286e925cbc8fa24ebe03a.exe 95 PID 1892 wrote to memory of 5020 1892 81a26bf7baefb846b7eb66e25333e789bbb15dc4112286e925cbc8fa24ebe03a.exe 95 PID 1892 wrote to memory of 5020 1892 81a26bf7baefb846b7eb66e25333e789bbb15dc4112286e925cbc8fa24ebe03a.exe 95 PID 3040 wrote to memory of 4972 3040 cmd.exe 96 PID 3040 wrote to memory of 4972 3040 cmd.exe 96 PID 3040 wrote to memory of 4972 3040 cmd.exe 96 PID 1176 wrote to memory of 1776 1176 svchost.exe 100 PID 1176 wrote to memory of 1776 1176 svchost.exe 100 PID 1176 wrote to memory of 1776 1176 svchost.exe 100
Processes
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C:\Users\Admin\AppData\Local\Temp\81a26bf7baefb846b7eb66e25333e789bbb15dc4112286e925cbc8fa24ebe03a.exe"C:\Users\Admin\AppData\Local\Temp\81a26bf7baefb846b7eb66e25333e789bbb15dc4112286e925cbc8fa24ebe03a.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:1892 -
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:4844
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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:2148
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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:4744 -
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:4972
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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:5020
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C:\Windows\SysWOW64\svchost.exeC:\Windows\SysWOW64\svchost.exe -k "Ö÷¶¯·ÀÓù·þÎñÄ£¿é"1⤵PID:1148
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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:1176 -
C:\Windows\SysWOW64\Ö÷¶¯·ÀÓù·þÎñÄ£¿é.exeC:\Windows\system32\Ö÷¶¯·ÀÓù·þÎñÄ£¿é.exe "c:\windows\system32\240631031.txt",MainThread2⤵
- Executes dropped EXE
- Loads dropped DLL
- System Location Discovery: System Language Discovery
PID:1776
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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:3424 -
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:2684
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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
MD540310f121c4ba8884ae065139015561d
SHA1be3dc618f2d28d732d2a04544c7426136d95eb92
SHA256a95e4e9e4fd03e886faaf6e0df7c61bdfd06ccec5cf068623aa1a2a1786d024c
SHA512851429929cfa8db8149f48392cdad2c35aa169437a965f4098427e484b96c122b46d472012acf03cf60088b84f155c692a4fc734a52d62effd0b098cbea62218
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Filesize
1.2MB
MD5c20dc69e7115438d48c6f926e01c38b9
SHA11ba089f49269300402286216fc9762545c85d48d
SHA256939f1e8e556e14363168e6d4fdb50a3d75b146bf55c0f32e2b32c52271e21d45
SHA51206a6b208489cbd3a5f453878a5c3a3a04103aed8bcfd6b40cbd0e05979c95bfda351e42ee150e04f08f1f93857c2205c4ea06340a8cde05f3249b60619accb44
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Filesize
49KB
MD531f09857c777a090a0320276df8bc126
SHA1a9e859b2eb372b9bfd69846524b2c781244d8dca
SHA256926fb4901ee4fad86f185a649e331fd7094a7efb8729e9ecf063e216ed76e88d
SHA512aa864aff8e8fd904766bc9027c7bf397cf61ee05763532ad057864ee785815916548e881ec6d0766683567cbe0b2975be851782f64cf8b31514fe38d5d1de1df
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Filesize
60KB
MD5889b99c52a60dd49227c5e485a016679
SHA18fa889e456aa646a4d0a4349977430ce5fa5e2d7
SHA2566cbe0e1f046b13b29bfa26f8b368281d2dda7eb9b718651d5856f22cc3e02910
SHA51208933106eaf338dd119c45cbf1f83e723aff77cc0f8d3fc84e36253b1eb31557a54211d1d5d1cb58958188e32064d451f6c66a24b3963cccd3de07299ab90641