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
27/05/2026, 18:06
Static task
static1
Behavioral task
behavioral1
Sample
4d117b52348f74e0ea396315579d65f0fb9c4b7b2d9c3131abae907ed79775dc.exe
Resource
win10v2004-20260513-en
General
- Target 4d117b52348f74e0ea396315579d65f0fb9c4b7b2d9c3131abae907ed79775dc.exe
- Size 1.3MB
- Sample260527-wp64fse14m
- SHA256 4d117b52348f74e0ea396315579d65f0fb9c4b7b2d9c3131abae907ed79775dc
- MD5 c769f5d3f1c7448137837ffecb5be862
- SHA1 59d9b006c378981ab526308aee7a17fd94fd880b
- SHA512 0b24f7be26a366db7609d79fcd8689515da3ee430811d11c20c9aedca5769af4096f3cbd800c4b7c53cb6c4917206280cdf09ff733436b01065376c8e88d8578
- SSDEEP 24576:dOyHutimZ9VSly2hVvHW6qMnSbTBBhBMN9:QHPkVOBTK
- TLSH T122557A591BAB4256DB5877B9C8A6A69409090F432F58C4B11E311E1EBD2734FFC23EBC
- MD5 SHA1 SHA512 SSDEEP TLSH
Malware Config
Signatures
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resource yara_rule behavioral2/memory/3124-0-0x0000000010000000-0x000000001019F000-memory.dmp purplefox_rootkit - Gh0st RAT payload 1 IoCs
resource yara_rule behavioral2/memory/3124-0-0x0000000010000000-0x000000001019F000-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 1 IoCs
pid Process 5600 sainbox.exe - Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
- System Location Discovery: System Language Discovery 1 TTPs 4 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 4d117b52348f74e0ea396315579d65f0fb9c4b7b2d9c3131abae907ed79775dc.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 - System Network Configuration Discovery: Internet Connection Discovery 1 TTPs 2 IoCs
Adversaries may check for Internet connectivity on compromised systems.
pid Process 4548 cmd.exe 3580 PING.EXE - Runs ping.exe 1 TTPs 1 IoCs
pid Process 3580 PING.EXE - Suspicious behavior: LoadsDriver 1 IoCs
pid Process 5600 sainbox.exe - Suspicious use of AdjustPrivilegeToken 6 IoCs
description pid Process Token: SeIncBasePriorityPrivilege 3124 4d117b52348f74e0ea396315579d65f0fb9c4b7b2d9c3131abae907ed79775dc.exe Token: SeLoadDriverPrivilege 5600 sainbox.exe Token: 33 5600 sainbox.exe Token: SeIncBasePriorityPrivilege 5600 sainbox.exe Token: 33 5600 sainbox.exe Token: SeIncBasePriorityPrivilege 5600 sainbox.exe - Suspicious use of WriteProcessMemory 3 IoCs
description pid Process procid_target PID 3124 wrote to memory of 5600 3124 4d117b52348f74e0ea396315579d65f0fb9c4b7b2d9c3131abae907ed79775dc.exe 80 PID 3124 wrote to memory of 4548 3124 4d117b52348f74e0ea396315579d65f0fb9c4b7b2d9c3131abae907ed79775dc.exe 81 PID 4548 wrote to memory of 3580 4548 cmd.exe 83
Processes
-
C:\Users\Admin\AppData\Local\Temp\4d117b52348f74e0ea396315579d65f0fb9c4b7b2d9c3131abae907ed79775dc.exe"C:\Users\Admin\AppData\Local\Temp\4d117b52348f74e0ea396315579d65f0fb9c4b7b2d9c3131abae907ed79775dc.exe"1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:3124 -
C:\ProgramData\Microsoft\Windows\Start Menu\Programs\Startup\sainbox.exe"C:\ProgramData\Microsoft\Windows\Start Menu\Programs\Startup\sainbox.exe"2⤵
- Drops file in Drivers directory
- Sets service image path in registry
- Executes dropped EXE
- System Location Discovery: System Language Discovery
- Suspicious behavior: LoadsDriver
- Suspicious use of AdjustPrivilegeToken
PID:5600
-
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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\4D117B~1.EXE > nul2⤵
- System Location Discovery: System Language Discovery
- System Network Configuration Discovery: Internet Connection Discovery
- Suspicious use of WriteProcessMemory
PID:4548 -
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:3580
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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:\ProgramData\Microsoft\Windows\Start Menu\Programs\Startup\sainbox.exe
- Size 1.3MB
- SHA256 4d117b52348f74e0ea396315579d65f0fb9c4b7b2d9c3131abae907ed79775dc
- MD5 c769f5d3f1c7448137837ffecb5be862
- SHA1 59d9b006c378981ab526308aee7a17fd94fd880b
- SHA512 0b24f7be26a366db7609d79fcd8689515da3ee430811d11c20c9aedca5769af4096f3cbd800c4b7c53cb6c4917206280cdf09ff733436b01065376c8e88d8578
- SSDEEP 24576:dOyHutimZ9VSly2hVvHW6qMnSbTBBhBMN9:QHPkVOBTK
- TLSH T122557A591BAB4256DB5877B9C8A6A69409090F432F58C4B11E311E1EBD2734FFC23EBC
- MD5 SHA1 SHA512 SSDEEP TLSH