Analysis
- max time kernel
150s - max time network
129s - platform
windows11-ltsc_2024_x64 - resource
win11ltsc2024-20260710-en - resource tags
arch:x64arch:x86image:win11ltsc2024-20260710-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows - submitted
12/07/2026, 07:19
Static task
static1
Behavioral task
behavioral1
Sample
a4da1f7baef8e60e8af11a4e49ff984cde86cdeaadc1bef39aef38e5a12811dd.exe
Resource
win10v2004-20260513-en
General
- Target a4da1f7baef8e60e8af11a4e49ff984cde86cdeaadc1bef39aef38e5a12811dd.exe
- Size 1.2MB
- Sample260712-h5msvsdy9m
- SHA256 a4da1f7baef8e60e8af11a4e49ff984cde86cdeaadc1bef39aef38e5a12811dd
- MD5 ef95319e64f9344136d59a19931160b5
- SHA1 a814b0a4e14de255435ba133def1a8b21436c0e8
- SHA512 a12d83f48d3ef140435572f5d73eb07f1f7eac063edb6145ddbacc75d0c54c4c171544dbfbebf9038c6f02147c16cf24b5cc6ec8781bb62d584218f602943e40
- SSDEEP 24576:k09tv9/7JtDElDEExIko2H2HESq2eWJ6MQjySjy+JsY2o:k09XJt4HIN2H2tFvduySwY2o
- TLSH T13B55CF53E58384B2C604193254AE1776E9B34F574A278AC3F7A4FF2DB933041F63662A
- MD5 SHA1 SHA512 SSDEEP TLSH
Malware Config
Signatures
-
resource yara_rule behavioral2/memory/4724-9-0x0000000010000000-0x00000000101B6000-memory.dmp purplefox_rootkit behavioral2/memory/4724-7-0x0000000010000000-0x00000000101B6000-memory.dmp purplefox_rootkit behavioral2/memory/4724-8-0x0000000010000000-0x00000000101B6000-memory.dmp purplefox_rootkit behavioral2/memory/1556-13-0x0000000010000000-0x00000000101B6000-memory.dmp purplefox_rootkit behavioral2/memory/1556-15-0x0000000010000000-0x00000000101B6000-memory.dmp purplefox_rootkit behavioral2/memory/5364-23-0x0000000010000000-0x00000000101B6000-memory.dmp purplefox_rootkit behavioral2/memory/5364-24-0x0000000010000000-0x00000000101B6000-memory.dmp purplefox_rootkit behavioral2/memory/5364-45-0x0000000010000000-0x00000000101B6000-memory.dmp purplefox_rootkit behavioral2/memory/5364-57-0x0000000010000000-0x00000000101B6000-memory.dmp purplefox_rootkit behavioral2/memory/1556-22-0x0000000010000000-0x00000000101B6000-memory.dmp purplefox_rootkit behavioral2/memory/1556-14-0x0000000010000000-0x00000000101B6000-memory.dmp purplefox_rootkit - Gh0st RAT payload 11 IoCs
resource yara_rule behavioral2/memory/4724-9-0x0000000010000000-0x00000000101B6000-memory.dmp family_gh0strat behavioral2/memory/4724-7-0x0000000010000000-0x00000000101B6000-memory.dmp family_gh0strat behavioral2/memory/4724-8-0x0000000010000000-0x00000000101B6000-memory.dmp family_gh0strat behavioral2/memory/1556-13-0x0000000010000000-0x00000000101B6000-memory.dmp family_gh0strat behavioral2/memory/1556-15-0x0000000010000000-0x00000000101B6000-memory.dmp family_gh0strat behavioral2/memory/5364-23-0x0000000010000000-0x00000000101B6000-memory.dmp family_gh0strat behavioral2/memory/5364-24-0x0000000010000000-0x00000000101B6000-memory.dmp family_gh0strat behavioral2/memory/5364-45-0x0000000010000000-0x00000000101B6000-memory.dmp family_gh0strat behavioral2/memory/5364-57-0x0000000010000000-0x00000000101B6000-memory.dmp family_gh0strat behavioral2/memory/1556-22-0x0000000010000000-0x00000000101B6000-memory.dmp family_gh0strat behavioral2/memory/1556-14-0x0000000010000000-0x00000000101B6000-memory.dmp family_gh0strat - Drops file in Drivers directory 1 IoCs
description ioc Process File created C:\Windows\system32\drivers\QAssist.sys TXPlatforn.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" TXPlatforn.exe - Executes dropped EXE 3 IoCs
pid Process 4724 RVN.exe 1556 TXPlatforn.exe 5364 TXPlatforn.exe - Drops file in System32 directory 2 IoCs
description ioc Process File created C:\Windows\SysWOW64\TXPlatforn.exe RVN.exe File opened for modification C:\Windows\SysWOW64\TXPlatforn.exe RVN.exe -
resource yara_rule behavioral2/memory/4724-5-0x0000000010000000-0x00000000101B6000-memory.dmp upx behavioral2/memory/4724-9-0x0000000010000000-0x00000000101B6000-memory.dmp upx behavioral2/memory/4724-7-0x0000000010000000-0x00000000101B6000-memory.dmp upx behavioral2/memory/4724-8-0x0000000010000000-0x00000000101B6000-memory.dmp upx behavioral2/memory/1556-13-0x0000000010000000-0x00000000101B6000-memory.dmp upx behavioral2/memory/1556-15-0x0000000010000000-0x00000000101B6000-memory.dmp upx behavioral2/memory/1556-11-0x0000000010000000-0x00000000101B6000-memory.dmp upx behavioral2/memory/5364-23-0x0000000010000000-0x00000000101B6000-memory.dmp upx behavioral2/memory/5364-24-0x0000000010000000-0x00000000101B6000-memory.dmp upx behavioral2/memory/5364-45-0x0000000010000000-0x00000000101B6000-memory.dmp upx behavioral2/memory/5364-57-0x0000000010000000-0x00000000101B6000-memory.dmp upx behavioral2/memory/1556-22-0x0000000010000000-0x00000000101B6000-memory.dmp upx behavioral2/memory/1556-14-0x0000000010000000-0x00000000101B6000-memory.dmp upx - Drops file in Program Files directory 4 IoCs
description ioc Process File opened for modification C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroRd32.exe a4da1f7baef8e60e8af11a4e49ff984cde86cdeaadc1bef39aef38e5a12811dd.exe File opened for modification C:\Program Files\Mozilla Firefox\firefox.exe a4da1f7baef8e60e8af11a4e49ff984cde86cdeaadc1bef39aef38e5a12811dd.exe File created C:\Program Files (x86)\Google\Chrome\Application\chrome.exe a4da1f7baef8e60e8af11a4e49ff984cde86cdeaadc1bef39aef38e5a12811dd.exe File opened for modification C:\Program Files\VideoLAN\VLC\vlc.exe a4da1f7baef8e60e8af11a4e49ff984cde86cdeaadc1bef39aef38e5a12811dd.exe - Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
- 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 a4da1f7baef8e60e8af11a4e49ff984cde86cdeaadc1bef39aef38e5a12811dd.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language RVN.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language TXPlatforn.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 5956 cmd.exe 5572 PING.EXE - Runs ping.exe 1 TTPs 1 IoCs
pid Process 5572 PING.EXE - Suspicious behavior: LoadsDriver 1 IoCs
pid Process 5364 TXPlatforn.exe - Suspicious use of AdjustPrivilegeToken 6 IoCs
description pid Process Token: SeIncBasePriorityPrivilege 4724 RVN.exe Token: SeLoadDriverPrivilege 5364 TXPlatforn.exe Token: 33 5364 TXPlatforn.exe Token: SeIncBasePriorityPrivilege 5364 TXPlatforn.exe Token: 33 5364 TXPlatforn.exe Token: SeIncBasePriorityPrivilege 5364 TXPlatforn.exe - Suspicious use of SetWindowsHookEx 2 IoCs
pid Process 1304 a4da1f7baef8e60e8af11a4e49ff984cde86cdeaadc1bef39aef38e5a12811dd.exe 1304 a4da1f7baef8e60e8af11a4e49ff984cde86cdeaadc1bef39aef38e5a12811dd.exe - Suspicious use of WriteProcessMemory 4 IoCs
description pid Process procid_target PID 1304 wrote to memory of 4724 1304 a4da1f7baef8e60e8af11a4e49ff984cde86cdeaadc1bef39aef38e5a12811dd.exe 88 PID 4724 wrote to memory of 5956 4724 RVN.exe 90 PID 1556 wrote to memory of 5364 1556 TXPlatforn.exe 92 PID 5956 wrote to memory of 5572 5956 cmd.exe 94
Processes
-
C:\Users\Admin\AppData\Local\Temp\a4da1f7baef8e60e8af11a4e49ff984cde86cdeaadc1bef39aef38e5a12811dd.exe"C:\Users\Admin\AppData\Local\Temp\a4da1f7baef8e60e8af11a4e49ff984cde86cdeaadc1bef39aef38e5a12811dd.exe"1⤵
- Drops file in Program Files directory
- System Location Discovery: System Language Discovery
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:1304 -
C:\Users\Admin\AppData\Local\Temp\RVN.exeC:\Users\Admin\AppData\Local\Temp\\RVN.exe2⤵
- Executes dropped EXE
- Drops file in System32 directory
- System Location Discovery: System Language Discovery
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:4724 -
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\RVN.exe > nul3⤵
- System Location Discovery: System Language Discovery
- System Network Configuration Discovery: Internet Connection Discovery
- Suspicious use of WriteProcessMemory
PID:5956 -
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:5572
-
-
-
-
C:\Windows\SysWOW64\TXPlatforn.exeC:\Windows\SysWOW64\TXPlatforn.exe -auto1⤵
- Executes dropped EXE
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:1556 -
C:\Windows\SysWOW64\TXPlatforn.exeC:\Windows\SysWOW64\TXPlatforn.exe -acsi2⤵
- Drops file in Drivers directory
- Sets service image path in registry
- Executes dropped EXE
- Suspicious behavior: LoadsDriver
- Suspicious use of AdjustPrivilegeToken
PID:5364
-
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
Loading Replay Monitor...
Downloads
- Path C:\Users\Admin\AppData\Local\Temp\HD_X.dat
- Size 1.2MB
- SHA256 a4da1f7baef8e60e8af11a4e49ff984cde86cdeaadc1bef39aef38e5a12811dd
- MD5 ef95319e64f9344136d59a19931160b5
- SHA1 a814b0a4e14de255435ba133def1a8b21436c0e8
- SHA512 a12d83f48d3ef140435572f5d73eb07f1f7eac063edb6145ddbacc75d0c54c4c171544dbfbebf9038c6f02147c16cf24b5cc6ec8781bb62d584218f602943e40
- SSDEEP 24576:k09tv9/7JtDElDEExIko2H2HESq2eWJ6MQjySjy+JsY2o:k09XJt4HIN2H2tFvduySwY2o
- TLSH T13B55CF53E58384B2C604193254AE1776E9B34F574A278AC3F7A4FF2DB933041F63662A
- MD5 SHA1 SHA512 SSDEEP TLSH
- Path C:\Users\Admin\AppData\Local\Temp\RVN.exe
- Size 377KB
- SHA256 57a920389c044e3f5cf93dabff67070b4511e79779b6f874e08f92d8b0d7afbd
- MD5 80ade1893dec9cab7f2e63538a464fcc
- SHA1 c06614da33a65eddb506db00a124a3fc3f5be02e
- SHA512 fffd4f3fccb5301b3c7a5b3bd92747f31549fbd9d0803fe5d502d1bb0ef979140988718c2ee1406ed3e755790d275185e120a56cbcb5ed2eadf62b5cdbfc4cc4
- SSDEEP 6144:BEo7J1ixs4uVKE9rFEAHKThrBSq2hAzSM5mDo9lSJULHZqExlD2E1LxhJVwIe0Dy:Wo2HQVWAHkFSq2hAWJYlMUtrxlyuJVRq
- TLSH T13A841221EB1265A2D30BB0F0CE685F0688B953584C6D1D57EEB51E2D7D3A3EDE832D06
- MD5 SHA1 SHA512 SSDEEP TLSH