Analysis
- max time kernel
149s - max time network
152s - platform
windows11-21h2_x64 - resource
win11-20260130-en - resource tags
arch:x64arch:x86image:win11-20260130-enlocale:en-usos:windows11-21h2-x64systemwindows - submitted
16/04/2026, 09:45
Static task
static1
Behavioral task
behavioral1
Sample
6da5703a1d22e6b86b21578108e84913a47bcc6df0ba52a534b69f39a5693e04.exe
Resource
win10v2004-20260130-en
General
- Target 6da5703a1d22e6b86b21578108e84913a47bcc6df0ba52a534b69f39a5693e04.exe
- Size 1.3MB
- Sample260416-lrfdeab16p
- SHA256 6da5703a1d22e6b86b21578108e84913a47bcc6df0ba52a534b69f39a5693e04
- MD5 7b51a9dc424883018ade1bc091174d21
- SHA1 a1b69c5e6412446e2c461e6865262dabaea63716
- SHA512 e8be7c00c1bd7587b73339ce4c7484d3ccf00cd8852a5453b988c8136067dec5e48c3eba6fb063db6ad28df95cee08b00a49be61ca23c6528b9caf767e11857c
- SSDEEP 24576:dOyHutimZ9VSly2hVvHW6qMnSbTBBhBMNc:QHPkVOBTK
- TLSH T1CE557A591BAB4256DB5877B9C8A6A69409090F432F58C4B11E311E1EBD2734FFC23EBC
- MD5 SHA1 SHA512 SSDEEP TLSH
Malware Config
Signatures
-
resource yara_rule behavioral2/memory/1592-0-0x0000000010000000-0x000000001019F000-memory.dmp purplefox_rootkit behavioral2/memory/4896-10-0x0000000010000000-0x000000001019F000-memory.dmp purplefox_rootkit behavioral2/memory/4828-19-0x0000000010000000-0x000000001019F000-memory.dmp purplefox_rootkit - Gh0st RAT payload 3 IoCs
resource yara_rule behavioral2/memory/1592-0-0x0000000010000000-0x000000001019F000-memory.dmp family_gh0strat behavioral2/memory/4896-10-0x0000000010000000-0x000000001019F000-memory.dmp family_gh0strat behavioral2/memory/4828-19-0x0000000010000000-0x000000001019F000-memory.dmp family_gh0strat - Drops file in Drivers directory 1 IoCs
description ioc Process File created C:\Windows\system32\drivers\QAssist.sys sainbox.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 2 IoCs
pid Process 4896 sainbox.exe 4828 sainbox.exe - Enumerates connected drives 3 TTPs 22 IoCs
Attempts to read the root path of hard drives other than the default C: drive.
description ioc Process File opened (read-only) \??\H: sainbox.exe File opened (read-only) \??\O: sainbox.exe File opened (read-only) \??\Q: sainbox.exe File opened (read-only) \??\R: sainbox.exe File opened (read-only) \??\S: sainbox.exe File opened (read-only) \??\V: sainbox.exe File opened (read-only) \??\Y: sainbox.exe File opened (read-only) \??\I: sainbox.exe File opened (read-only) \??\M: sainbox.exe File opened (read-only) \??\N: sainbox.exe File opened (read-only) \??\U: sainbox.exe File opened (read-only) \??\B: sainbox.exe File opened (read-only) \??\J: sainbox.exe File opened (read-only) \??\P: sainbox.exe File opened (read-only) \??\E: sainbox.exe File opened (read-only) \??\K: sainbox.exe File opened (read-only) \??\L: sainbox.exe File opened (read-only) \??\T: sainbox.exe File opened (read-only) \??\W: sainbox.exe File opened (read-only) \??\X: sainbox.exe File opened (read-only) \??\Z: sainbox.exe File opened (read-only) \??\G: sainbox.exe - Drops file in System32 directory 2 IoCs
description ioc Process File created C:\Windows\SysWOW64\sainbox.exe 6da5703a1d22e6b86b21578108e84913a47bcc6df0ba52a534b69f39a5693e04.exe File opened for modification C:\Windows\SysWOW64\sainbox.exe 6da5703a1d22e6b86b21578108e84913a47bcc6df0ba52a534b69f39a5693e04.exe - System Location Discovery: System Language Discovery 1 TTPs 5 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 sainbox.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 PING.EXE Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language 6da5703a1d22e6b86b21578108e84913a47bcc6df0ba52a534b69f39a5693e04.exe - System Network Configuration Discovery: Internet Connection Discovery 1 TTPs 2 IoCs
Adversaries may check for Internet connectivity on compromised systems.
pid Process 4752 cmd.exe 5196 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 sainbox.exe Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\~MHz sainbox.exe - Modifies data under HKEY_USERS 8 IoCs
description ioc Process Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\ActiveMovie\devenum sainbox.exe Key created \REGISTRY\USER\.DEFAULT\Software sainbox.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft sainbox.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\ActiveMovie sainbox.exe Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\ActiveMovie\devenum\Version = "7" 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\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 - Runs ping.exe 1 TTPs 1 IoCs
pid Process 5196 PING.EXE - Suspicious behavior: EnumeratesProcesses 64 IoCs
pid Process 4828 sainbox.exe 4828 sainbox.exe 4828 sainbox.exe 4828 sainbox.exe 4828 sainbox.exe 4828 sainbox.exe 4828 sainbox.exe 4828 sainbox.exe 4828 sainbox.exe 4828 sainbox.exe 4828 sainbox.exe 4828 sainbox.exe 4828 sainbox.exe 4828 sainbox.exe 4828 sainbox.exe 4828 sainbox.exe 4828 sainbox.exe 4828 sainbox.exe 4828 sainbox.exe 4828 sainbox.exe 4828 sainbox.exe 4828 sainbox.exe 4828 sainbox.exe 4828 sainbox.exe 4828 sainbox.exe 4828 sainbox.exe 4828 sainbox.exe 4828 sainbox.exe 4828 sainbox.exe 4828 sainbox.exe 4828 sainbox.exe 4828 sainbox.exe 4828 sainbox.exe 4828 sainbox.exe 4828 sainbox.exe 4828 sainbox.exe 4828 sainbox.exe 4828 sainbox.exe 4828 sainbox.exe 4828 sainbox.exe 4828 sainbox.exe 4828 sainbox.exe 4828 sainbox.exe 4828 sainbox.exe 4828 sainbox.exe 4828 sainbox.exe 4828 sainbox.exe 4828 sainbox.exe 4828 sainbox.exe 4828 sainbox.exe 4828 sainbox.exe 4828 sainbox.exe 4828 sainbox.exe 4828 sainbox.exe 4828 sainbox.exe 4828 sainbox.exe 4828 sainbox.exe 4828 sainbox.exe 4828 sainbox.exe 4828 sainbox.exe 4828 sainbox.exe 4828 sainbox.exe 4828 sainbox.exe 4828 sainbox.exe - Suspicious behavior: LoadsDriver 1 IoCs
pid Process 4828 sainbox.exe - Suspicious use of AdjustPrivilegeToken 6 IoCs
description pid Process Token: SeIncBasePriorityPrivilege 1592 6da5703a1d22e6b86b21578108e84913a47bcc6df0ba52a534b69f39a5693e04.exe Token: SeLoadDriverPrivilege 4828 sainbox.exe Token: 33 4828 sainbox.exe Token: SeIncBasePriorityPrivilege 4828 sainbox.exe Token: 33 4828 sainbox.exe Token: SeIncBasePriorityPrivilege 4828 sainbox.exe - Suspicious use of WriteProcessMemory 3 IoCs
description pid Process procid_target PID 1592 wrote to memory of 4752 1592 6da5703a1d22e6b86b21578108e84913a47bcc6df0ba52a534b69f39a5693e04.exe 80 PID 4896 wrote to memory of 4828 4896 sainbox.exe 81 PID 4752 wrote to memory of 5196 4752 cmd.exe 83
Processes
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C:\Users\Admin\AppData\Local\Temp\6da5703a1d22e6b86b21578108e84913a47bcc6df0ba52a534b69f39a5693e04.exe"C:\Users\Admin\AppData\Local\Temp\6da5703a1d22e6b86b21578108e84913a47bcc6df0ba52a534b69f39a5693e04.exe"1⤵
- Drops file in System32 directory
- System Location Discovery: System Language Discovery
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1592 -
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\6DA570~1.EXE > nul2⤵
- System Location Discovery: System Language Discovery
- System Network Configuration Discovery: Internet Connection Discovery
- Suspicious use of WriteProcessMemory
PID:4752 -
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:5196
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C:\Windows\SysWOW64\sainbox.exeC:\Windows\SysWOW64\sainbox.exe -auto1⤵
- Executes dropped EXE
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:4896 -
C:\Windows\SysWOW64\sainbox.exeC:\Windows\SysWOW64\sainbox.exe -acsi2⤵
- Drops file in Drivers directory
- Sets service image path in registry
- Executes dropped EXE
- Enumerates connected drives
- System Location Discovery: System Language Discovery
- Checks processor information in registry
- Modifies data under HKEY_USERS
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: LoadsDriver
- Suspicious use of AdjustPrivilegeToken
PID:4828
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Network
MITRE ATT&CK Enterprise v16
Persistence
Boot or Logon Autostart Execution
1Registry Run Keys / Startup Folder
1Create or Modify System Process
1Windows Service
1Privilege Escalation
Boot or Logon Autostart Execution
1Registry Run Keys / Startup Folder
1Create or Modify System Process
1Windows Service
1Replay Monitor
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Downloads
- Path C:\Windows\SysWOW64\sainbox.exe
- Size 1.3MB
- SHA256 6da5703a1d22e6b86b21578108e84913a47bcc6df0ba52a534b69f39a5693e04
- MD5 7b51a9dc424883018ade1bc091174d21
- SHA1 a1b69c5e6412446e2c461e6865262dabaea63716
- SHA512 e8be7c00c1bd7587b73339ce4c7484d3ccf00cd8852a5453b988c8136067dec5e48c3eba6fb063db6ad28df95cee08b00a49be61ca23c6528b9caf767e11857c
- SSDEEP 24576:dOyHutimZ9VSly2hVvHW6qMnSbTBBhBMNc:QHPkVOBTK
- TLSH T1CE557A591BAB4256DB5877B9C8A6A69409090F432F58C4B11E311E1EBD2734FFC23EBC
- MD5 SHA1 SHA512 SSDEEP TLSH