Analysis
- max time kernel
149s - max time network
151s - platform
windows11-21h2_x64 - resource
win11-20260513-en - resource tags
arch:x64arch:x86image:win11-20260513-enlocale:en-usos:windows11-21h2-x64systemwindows - submitted
28/05/2026, 09:46
Static task
static1
Behavioral task
behavioral1
Sample
72ec17ebac3def4a5767827bf3df90717754d7b89d660b116cfcf76c0f50403c.exe
Resource
win10v2004-20260513-en
General
- Target 72ec17ebac3def4a5767827bf3df90717754d7b89d660b116cfcf76c0f50403c.exe
- Size 1.3MB
- Sample260528-lrv4vsct2k
- SHA256 72ec17ebac3def4a5767827bf3df90717754d7b89d660b116cfcf76c0f50403c
- MD5 13a821437239016034db6f68585d0829
- SHA1 2b6b50d5b3b630584223c49867e6b7862b2fc236
- SHA512 c6d27070e40343f65278d2a9e148e594b00b85d424dedd7791325274951c12b68d34567d6fca54dcc8b4b4ab619e6e4e2ab3393e1f332f4efa09b15372baea4c
- SSDEEP 24576:QOyHutimZ9VSly2hVvHW6qMnSbTBBhBMN9:ZHPkVOBTK
- TLSH T190557A591BAB4256DB5837B9C8A6A69409090F432F58C4B15E311E1EBD2734FFC23EBC
- MD5 SHA1 SHA512 SSDEEP TLSH
Malware Config
Signatures
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resource yara_rule behavioral2/memory/3616-11-0x0000000010000000-0x000000001019F000-memory.dmp purplefox_rootkit behavioral2/memory/2348-48-0x0000000010000000-0x000000001019F000-memory.dmp purplefox_rootkit behavioral2/memory/3064-69-0x0000000010000000-0x000000001019F000-memory.dmp purplefox_rootkit - Gh0st RAT payload 6 IoCs
resource yara_rule behavioral2/memory/3616-11-0x0000000010000000-0x000000001019F000-memory.dmp family_gh0strat behavioral2/files/0x001700000002b754-20.dat family_gh0strat behavioral2/memory/1092-27-0x0000000000400000-0x000000000042B000-memory.dmp family_gh0strat behavioral2/memory/4808-57-0x0000000000400000-0x000000000042B000-memory.dmp family_gh0strat behavioral2/memory/2348-48-0x0000000010000000-0x000000001019F000-memory.dmp family_gh0strat behavioral2/memory/3064-69-0x0000000010000000-0x000000001019F000-memory.dmp family_gh0strat - Downloads MZ/PE file 3 IoCs
flow pid Process 1 3616 72ec17ebac3def4a5767827bf3df90717754d7b89d660b116cfcf76c0f50403c.exe 2 2348 sainbox.exe 4 3064 sainbox.exe - Drops file in Drivers directory 1 IoCs
description ioc Process File created C:\Windows\system32\drivers\QAssist.sys sainbox.exe - Server Software Component: Terminal Services DLL 1 TTPs 2 IoCs
description ioc Process Set value (str) \REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\windowsϵͳÖ÷¶¯·ÀÓù\Parameters\ServiceDll = "C:\\Windows\\system32\\240669015.jpg" 1.exe Set value (str) \REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\windowsϵͳÖ÷¶¯·ÀÓù\Parameters\ServiceDll = "C:\\Windows\\system32\\240675828.jpg" 1.exe - Sets service image path in registry 3 TTPs 1 IoCs
This determines the executable launched when a service starts. It can be used to establish persistence.
description ioc Process Set value (str) \REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\QAssist\ImagePath = "system32\\DRIVERS\\QAssist.sys" sainbox.exe - Executes dropped EXE 6 IoCs
pid Process 1092 1.exe 2348 sainbox.exe 5744 windowsϵͳÖ÷¶¯·ÀÓù.exe 4808 1.exe 3064 sainbox.exe 5596 1.exe - Loads dropped DLL 4 IoCs
pid Process 1092 1.exe 3300 svchost.exe 5744 windowsϵͳÖ÷¶¯·ÀÓù.exe 4808 1.exe - Drops file in System32 directory 13 IoCs
description ioc Process File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\History\History.IE5 sainbox.exe File created C:\Windows\SysWOW64\240675828.jpg 1.exe File created C:\Windows\SysWOW64\240669015.jpg 1.exe File created C:\Windows\SysWOW64\windowsϵͳÖ÷¶¯·ÀÓù.exe svchost.exe File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\INetCookies sainbox.exe File created C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\INetCache\IE\1[1].exe sainbox.exe File opened for modification C:\Windows\SysWOW64\ini.ini 1.exe File created C:\Windows\SysWOW64\sainbox.exe 72ec17ebac3def4a5767827bf3df90717754d7b89d660b116cfcf76c0f50403c.exe File opened for modification C:\Windows\SysWOW64\sainbox.exe 72ec17ebac3def4a5767827bf3df90717754d7b89d660b116cfcf76c0f50403c.exe File opened for modification C:\Windows\SysWOW64\ini.ini 1.exe File opened for modification C:\Windows\SysWOW64\windowsϵͳÖ÷¶¯·ÀÓù.exe svchost.exe File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\INetCache\Content.IE5 sainbox.exe File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\INetCache\IE sainbox.exe - Drops file in Windows directory 3 IoCs
description ioc Process File created C:\Windows\1.exe sainbox.exe File created C:\Windows\1.exe sainbox.exe File created C:\Windows\1.exe 72ec17ebac3def4a5767827bf3df90717754d7b89d660b116cfcf76c0f50403c.exe - Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
- 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 72ec17ebac3def4a5767827bf3df90717754d7b89d660b116cfcf76c0f50403c.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language sainbox.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language 1.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language sainbox.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language cmd.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language 1.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language svchost.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language windowsϵͳÖ÷¶¯·ÀÓù.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language PING.EXE Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language 1.exe - System Network Configuration Discovery: Internet Connection Discovery 1 TTPs 2 IoCs
Adversaries may check for Internet connectivity on compromised systems.
pid Process 6044 cmd.exe 1164 PING.EXE - Checks processor information in registry 2 TTPs 2 IoCs
Processor information is often read in order to detect sandboxing environments.
description ioc Process Key opened \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0 windowsϵͳÖ÷¶¯·ÀÓù.exe Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\~MHz windowsϵͳÖ÷¶¯·ÀÓù.exe - Modifies data under HKEY_USERS 24 IoCs
description ioc Process Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\P3P\History sainbox.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ sainbox.exe Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\IntranetName = "1" sainbox.exe Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\AutoDetect = "0" sainbox.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\Content\CachePrefix sainbox.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\History\CachePrefix = "Visited:" sainbox.exe Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\UNCAsIntranet = "1" sainbox.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows sainbox.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion sainbox.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings sainbox.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\P3P\History sainbox.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ sainbox.exe Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ProxyBypass = "1" sainbox.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\Cookies\CachePrefix = "Cookie:" sainbox.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\History\CachePrefix = "Visited:" sainbox.exe Key created \REGISTRY\USER\.DEFAULT\Software sainbox.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\P3P sainbox.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\Content\CachePrefix sainbox.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft sainbox.exe Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ProxyBypass = "1" sainbox.exe Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\UNCAsIntranet = "1" sainbox.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\Cookies\CachePrefix = "Cookie:" sainbox.exe Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\IntranetName = "1" sainbox.exe Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\AutoDetect = "0" sainbox.exe - Runs ping.exe 1 TTPs 1 IoCs
pid Process 1164 PING.EXE - Suspicious behavior: EnumeratesProcesses 10 IoCs
pid Process 5744 windowsϵͳÖ÷¶¯·ÀÓù.exe 5744 windowsϵͳÖ÷¶¯·ÀÓù.exe 5744 windowsϵͳÖ÷¶¯·ÀÓù.exe 5744 windowsϵͳÖ÷¶¯·ÀÓù.exe 5744 windowsϵͳÖ÷¶¯·ÀÓù.exe 5744 windowsϵͳÖ÷¶¯·ÀÓù.exe 5744 windowsϵͳÖ÷¶¯·ÀÓù.exe 5744 windowsϵͳÖ÷¶¯·ÀÓù.exe 5744 windowsϵͳÖ÷¶¯·ÀÓù.exe 5744 windowsϵͳÖ÷¶¯·ÀÓù.exe - Suspicious behavior: LoadsDriver 1 IoCs
pid Process 3064 sainbox.exe - Suspicious use of AdjustPrivilegeToken 6 IoCs
description pid Process Token: SeIncBasePriorityPrivilege 3616 72ec17ebac3def4a5767827bf3df90717754d7b89d660b116cfcf76c0f50403c.exe Token: SeLoadDriverPrivilege 3064 sainbox.exe Token: 33 3064 sainbox.exe Token: SeIncBasePriorityPrivilege 3064 sainbox.exe Token: 33 3064 sainbox.exe Token: SeIncBasePriorityPrivilege 3064 sainbox.exe - Suspicious use of WriteProcessMemory 7 IoCs
description pid Process procid_target PID 3616 wrote to memory of 1092 3616 72ec17ebac3def4a5767827bf3df90717754d7b89d660b116cfcf76c0f50403c.exe 80 PID 3300 wrote to memory of 5744 3300 svchost.exe 87 PID 2348 wrote to memory of 4808 2348 sainbox.exe 88 PID 3616 wrote to memory of 6044 3616 72ec17ebac3def4a5767827bf3df90717754d7b89d660b116cfcf76c0f50403c.exe 89 PID 2348 wrote to memory of 3064 2348 sainbox.exe 90 PID 6044 wrote to memory of 1164 6044 cmd.exe 92 PID 3064 wrote to memory of 5596 3064 sainbox.exe 93
Processes
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C:\Users\Admin\AppData\Local\Temp\72ec17ebac3def4a5767827bf3df90717754d7b89d660b116cfcf76c0f50403c.exe"C:\Users\Admin\AppData\Local\Temp\72ec17ebac3def4a5767827bf3df90717754d7b89d660b116cfcf76c0f50403c.exe"1⤵
- Downloads MZ/PE file
- Drops file in System32 directory
- Drops file in Windows directory
- System Location Discovery: System Language Discovery
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:3616 -
C:\Windows\1.exe"C:\Windows\1.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:1092
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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\72EC17~1.EXE > nul2⤵
- System Location Discovery: System Language Discovery
- System Network Configuration Discovery: Internet Connection Discovery
- Suspicious use of WriteProcessMemory
PID:6044 -
C:\Windows\SysWOW64\PING.EXEping -n 2 127.0.0.13⤵
- System Location Discovery: System Language Discovery
- System Network Configuration Discovery: Internet Connection Discovery
- Runs ping.exe
PID:1164
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C:\Windows\SysWOW64\svchost.exeC:\Windows\SysWOW64\svchost.exe -k "windowsϵͳÖ÷¶¯·ÀÓù"1⤵PID:4776
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C:\Windows\SysWOW64\svchost.exeC:\Windows\SysWOW64\svchost.exe -k "windowsϵͳÖ÷¶¯·ÀÓù"1⤵
- Loads dropped DLL
- Drops file in System32 directory
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:3300 -
C:\Windows\SysWOW64\windowsϵͳÖ÷¶¯·ÀÓù.exeC:\Windows\system32\windowsϵͳÖ÷¶¯·ÀÓù.exe "c:\windows\system32\240669015.jpg",MainInstall2⤵
- Executes dropped EXE
- Loads dropped DLL
- System Location Discovery: System Language Discovery
- Checks processor information in registry
- Suspicious behavior: EnumeratesProcesses
PID:5744
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C:\Windows\SysWOW64\sainbox.exeC:\Windows\SysWOW64\sainbox.exe -auto1⤵
- Downloads MZ/PE file
- Executes dropped EXE
- Drops file in System32 directory
- Drops file in Windows directory
- System Location Discovery: System Language Discovery
- Modifies data under HKEY_USERS
- Suspicious use of WriteProcessMemory
PID:2348 -
C:\Windows\1.exe"C:\Windows\1.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:4808
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C:\Windows\SysWOW64\sainbox.exeC:\Windows\SysWOW64\sainbox.exe -acsi2⤵
- Downloads MZ/PE file
- Drops file in Drivers directory
- Sets service image path in registry
- Executes dropped EXE
- Drops file in Windows directory
- System Location Discovery: System Language Discovery
- Modifies data under HKEY_USERS
- Suspicious behavior: LoadsDriver
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:3064 -
C:\Windows\1.exe"C:\Windows\1.exe"3⤵
- Executes dropped EXE
- System Location Discovery: System Language Discovery
PID:5596
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C:\Windows\System32\svchost.exeC:\Windows\System32\svchost.exe -k "windows╧╡═│╓≈╢»╖└╙∙"1⤵PID:1224
Network
MITRE ATT&CK Enterprise v16
Persistence
Boot or Logon Autostart Execution
1Registry Run Keys / Startup Folder
1Create or Modify System Process
1Windows Service
1Server Software Component
1Terminal Services DLL
1Privilege Escalation
Boot or Logon Autostart Execution
1Registry Run Keys / Startup Folder
1Create or Modify System Process
1Windows Service
1Replay Monitor
Loading Replay Monitor...
Downloads
- Path C:\Windows\1.exe
- Size 156KB
- SHA256 55866f0c5b53419c79d7be9b565e338091f4aa755a278eaca887f03ece544c7a
- MD5 e8f5f7ca247b5b70ee3f80df6cadf8bf
- SHA1 8fbf3e3262fa5066c5d21548805ddc11be5acf47
- SHA512 ec40055a365aa522c1d9167cc1f700fed82015a197fad951562c229d5bd55291f2bac551a036c137b6132d001e94d3b73777b8d183f65fb8b433123fe5c551b5
- SSDEEP 3072:edlKPwx3EuRHSBtL7/u+YuzkTESlTmkYe:edlnx+7/u+YuIbI
- TLSH T1A0F36A1774F0BBB6C34382751F658A3BB2E9E13CDD124993634B6B091F34BD28E6A251
- MD5 SHA1 SHA512 SSDEEP TLSH
- Path C:\Windows\SysWOW64\240669015.jpg
- Size 56KB
- SHA256 008f575c3bb3d70a271a4e4b13c1a243a95b14165d1f0865a0f70a01c4e15e53
- MD5 377dd51bf3f9538f4757b5b620729459
- SHA1 40eeb61709089174309009b8e6c847a00667087c
- SHA512 c177b5648a3bcb02d276e970ee4117afcda4992d12cc83082da992a7c503b40b6ce63e3d7212b93de73d55ca8d3b7f44e28428f32d10535f74c874eeb2139478
- SSDEEP 768:jDFDcEAmYze1xehXKss+K/jJ3o1rlHOb8O9lQf4gontQyBdm7vu8I5:ROxq+KseVo1FObntnfdm7uB5
- TLSH T197433A02A58480F3F18A023438BA2B7789FEA9F512D565035FA7FDA95C73265F51E213
- MD5 SHA1 SHA512 SSDEEP TLSH
- Path C:\Windows\SysWOW64\ini.ini
- Size 44B
- SHA256 162ab25729fbab1160898db6b8a38d073d8433c091b753a570665d23b2c916b6
- MD5 46beee5b7d7ee2d2369ebd95f9dadd05
- SHA1 9bd1873d23a450305872ea94862fbebcff2742b1
- SHA512 ef315f27dafdf6565b370032ac855a57cd0d74d8d441e727edb50646770407622edcd989726d224f841f01b6019ee80d4ff3ea8ddcf90140554c9ec980339b61
- MD5 SHA1 SHA512
- Path C:\Windows\SysWOW64\sainbox.exe
- Size 1.3MB
- SHA256 72ec17ebac3def4a5767827bf3df90717754d7b89d660b116cfcf76c0f50403c
- MD5 13a821437239016034db6f68585d0829
- SHA1 2b6b50d5b3b630584223c49867e6b7862b2fc236
- SHA512 c6d27070e40343f65278d2a9e148e594b00b85d424dedd7791325274951c12b68d34567d6fca54dcc8b4b4ab619e6e4e2ab3393e1f332f4efa09b15372baea4c
- SSDEEP 24576:QOyHutimZ9VSly2hVvHW6qMnSbTBBhBMN9:ZHPkVOBTK
- TLSH T190557A591BAB4256DB5837B9C8A6A69409090F432F58C4B15E311E1EBD2734FFC23EBC
- MD5 SHA1 SHA512 SSDEEP TLSH
- Path C:\Windows\SysWOW64\windowsϵͳÖ÷¶¯·ÀÓù.exe
- Size 40KB
- SHA256 8dcaeeebef9b9f3d41d295db145ffb3850f309d089c08125c7fa7034db5fd80e
- MD5 22bb5bd901d8b25ac5b41edbb7d5053e
- SHA1 8a935dd8d7e104fc553ff7e8b54a404f7b079334
- SHA512 cc3fb68fd6791a08e4a7d1a8db8d07cfcc8c9b9dceec10b53f0cb7ee86473303a19be4f23e379f84c59e02d0568e7c066e21cd1300f6032dac4ba52f609f62e7
- SSDEEP 768:C67uhQpPPp0nnqFk509FRdVcQX6N58hJYim1jLP3RRe:C67uhQpXp0nnqa5093jKNAmB3RR
- TLSH T10C134C02BE88C071DDA114B41A5DB337939DED604B1586D3593887EBAA2D3E39E343DE
- MD5 SHA1 SHA512 SSDEEP TLSH