Analysis
- max time kernel
150s - max time network
128s - 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, 08:41
Static task
static1
1 signatures
Behavioral task
behavioral1
Sample
f4925080130f47aad26d89062a19905f6aae4a3c61e598e25a78faae4f0669f7.exe
Resource
win10v2004-20260513-en
16 signatures
150 seconds
General
- Target f4925080130f47aad26d89062a19905f6aae4a3c61e598e25a78faae4f0669f7.exe
- Size 696KB
- Sample260527-kls7msht8p
- SHA256 f4925080130f47aad26d89062a19905f6aae4a3c61e598e25a78faae4f0669f7
- MD5 c8cabe54f2f4d36379d888adb4d17e7a
- SHA1 02757f41eab2fe30a74d74fa9812f9544378ddb2
- SHA512 a24617b7282dc44b82a4463ac14dd32f3544c213b9059a4f38036472b2d4ca114cde533119dc8c0786150d5c8e21b22207402476446c4ec5d3333b39a049b83f
- SSDEEP 12288:hi2cAro2HQVWAHkFSq2hAWJYlMUtrxlyuJVRe8yu9t2Sll/lkC:hi2Tro2H2HESq2eWJ6MQjySjyuLdlkC
- TLSH T107E4F112BD9180F3D140B57089B68B7227FDDD223C73166BEFA4FEA95C7226540278B6
- MD5 SHA1 SHA512 SSDEEP TLSH
Malware Config
Signatures
-
resource yara_rule behavioral2/memory/1508-7-0x0000000010000000-0x00000000101B6000-memory.dmp purplefox_rootkit behavioral2/memory/1508-11-0x0000000010000000-0x00000000101B6000-memory.dmp purplefox_rootkit behavioral2/memory/1508-8-0x0000000010000000-0x00000000101B6000-memory.dmp purplefox_rootkit behavioral2/memory/2496-17-0x0000000010000000-0x00000000101B6000-memory.dmp purplefox_rootkit behavioral2/memory/2496-18-0x0000000010000000-0x00000000101B6000-memory.dmp purplefox_rootkit behavioral2/memory/2496-25-0x0000000010000000-0x00000000101B6000-memory.dmp purplefox_rootkit behavioral2/memory/3172-24-0x0000000010000000-0x00000000101B6000-memory.dmp purplefox_rootkit behavioral2/memory/2496-16-0x0000000010000000-0x00000000101B6000-memory.dmp purplefox_rootkit behavioral2/memory/3172-26-0x0000000010000000-0x00000000101B6000-memory.dmp purplefox_rootkit behavioral2/memory/3172-30-0x0000000010000000-0x00000000101B6000-memory.dmp purplefox_rootkit behavioral2/memory/3172-31-0x0000000010000000-0x00000000101B6000-memory.dmp purplefox_rootkit - Gh0st RAT payload 11 IoCs
resource yara_rule behavioral2/memory/1508-7-0x0000000010000000-0x00000000101B6000-memory.dmp family_gh0strat behavioral2/memory/1508-11-0x0000000010000000-0x00000000101B6000-memory.dmp family_gh0strat behavioral2/memory/1508-8-0x0000000010000000-0x00000000101B6000-memory.dmp family_gh0strat behavioral2/memory/2496-17-0x0000000010000000-0x00000000101B6000-memory.dmp family_gh0strat behavioral2/memory/2496-18-0x0000000010000000-0x00000000101B6000-memory.dmp family_gh0strat behavioral2/memory/2496-25-0x0000000010000000-0x00000000101B6000-memory.dmp family_gh0strat behavioral2/memory/3172-24-0x0000000010000000-0x00000000101B6000-memory.dmp family_gh0strat behavioral2/memory/2496-16-0x0000000010000000-0x00000000101B6000-memory.dmp family_gh0strat behavioral2/memory/3172-26-0x0000000010000000-0x00000000101B6000-memory.dmp family_gh0strat behavioral2/memory/3172-30-0x0000000010000000-0x00000000101B6000-memory.dmp family_gh0strat behavioral2/memory/3172-31-0x0000000010000000-0x00000000101B6000-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 1508 RVN.exe 2496 TXPlatforn.exe 3172 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/1508-7-0x0000000010000000-0x00000000101B6000-memory.dmp upx behavioral2/memory/1508-11-0x0000000010000000-0x00000000101B6000-memory.dmp upx behavioral2/memory/1508-5-0x0000000010000000-0x00000000101B6000-memory.dmp upx behavioral2/memory/1508-8-0x0000000010000000-0x00000000101B6000-memory.dmp upx behavioral2/memory/2496-17-0x0000000010000000-0x00000000101B6000-memory.dmp upx behavioral2/memory/2496-18-0x0000000010000000-0x00000000101B6000-memory.dmp upx behavioral2/memory/2496-25-0x0000000010000000-0x00000000101B6000-memory.dmp upx behavioral2/memory/3172-24-0x0000000010000000-0x00000000101B6000-memory.dmp upx behavioral2/memory/2496-16-0x0000000010000000-0x00000000101B6000-memory.dmp upx behavioral2/memory/2496-14-0x0000000010000000-0x00000000101B6000-memory.dmp upx behavioral2/memory/3172-26-0x0000000010000000-0x00000000101B6000-memory.dmp upx behavioral2/memory/3172-30-0x0000000010000000-0x00000000101B6000-memory.dmp upx behavioral2/memory/3172-31-0x0000000010000000-0x00000000101B6000-memory.dmp upx - 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 f4925080130f47aad26d89062a19905f6aae4a3c61e598e25a78faae4f0669f7.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 5064 PING.EXE 396 cmd.exe - Runs ping.exe 1 TTPs 1 IoCs
pid Process 5064 PING.EXE - Suspicious behavior: LoadsDriver 1 IoCs
pid Process 3172 TXPlatforn.exe - Suspicious use of AdjustPrivilegeToken 6 IoCs
description pid Process Token: SeIncBasePriorityPrivilege 1508 RVN.exe Token: SeLoadDriverPrivilege 3172 TXPlatforn.exe Token: 33 3172 TXPlatforn.exe Token: SeIncBasePriorityPrivilege 3172 TXPlatforn.exe Token: 33 3172 TXPlatforn.exe Token: SeIncBasePriorityPrivilege 3172 TXPlatforn.exe - Suspicious use of SetWindowsHookEx 1 IoCs
pid Process 5380 f4925080130f47aad26d89062a19905f6aae4a3c61e598e25a78faae4f0669f7.exe - Suspicious use of WriteProcessMemory 4 IoCs
description pid Process procid_target PID 5380 wrote to memory of 1508 5380 f4925080130f47aad26d89062a19905f6aae4a3c61e598e25a78faae4f0669f7.exe 80 PID 1508 wrote to memory of 396 1508 RVN.exe 82 PID 2496 wrote to memory of 3172 2496 TXPlatforn.exe 83 PID 396 wrote to memory of 5064 396 cmd.exe 85
Processes
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C:\Users\Admin\AppData\Local\Temp\f4925080130f47aad26d89062a19905f6aae4a3c61e598e25a78faae4f0669f7.exe"C:\Users\Admin\AppData\Local\Temp\f4925080130f47aad26d89062a19905f6aae4a3c61e598e25a78faae4f0669f7.exe"1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:5380 -
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:1508 -
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:396 -
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:5064
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C:\Windows\SysWOW64\TXPlatforn.exeC:\Windows\SysWOW64\TXPlatforn.exe -auto1⤵
- Executes dropped EXE
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2496 -
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:3172
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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:\Users\Admin\AppData\Local\Temp\HD_X.dat
- Size 696KB
- SHA256 f4925080130f47aad26d89062a19905f6aae4a3c61e598e25a78faae4f0669f7
- MD5 c8cabe54f2f4d36379d888adb4d17e7a
- SHA1 02757f41eab2fe30a74d74fa9812f9544378ddb2
- SHA512 a24617b7282dc44b82a4463ac14dd32f3544c213b9059a4f38036472b2d4ca114cde533119dc8c0786150d5c8e21b22207402476446c4ec5d3333b39a049b83f
- SSDEEP 12288:hi2cAro2HQVWAHkFSq2hAWJYlMUtrxlyuJVRe8yu9t2Sll/lkC:hi2Tro2H2HESq2eWJ6MQjySjyuLdlkC
- TLSH T107E4F112BD9180F3D140B57089B68B7227FDDD223C73166BEFA4FEA95C7226540278B6
- 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