Analysis
- max time kernel
150s - max time network
128s - platform
windows11-21h2_x64 - resource
win11-20260130-en - resource tags
arch:x64arch:x86image:win11-20260130-enlocale:en-usos:windows11-21h2-x64systemwindows - submitted
17/04/2026, 09:24
Static task
static1
Behavioral task
behavioral1
Sample
048c552a76313429b1fcc68e46594a0d4847955d92d6393fc3a9e625bebd82d7.exe
Resource
win10v2004-20260130-en
General
- Target 048c552a76313429b1fcc68e46594a0d4847955d92d6393fc3a9e625bebd82d7.exe
- Size 1.1MB
- Sample260417-lc8fmsav3m
- SHA256 048c552a76313429b1fcc68e46594a0d4847955d92d6393fc3a9e625bebd82d7
- MD5 ffb1f5e37a99f6f8a1dc7caf7175ecd9
- SHA1 fe5be8e10a61f1dafa3b2bc5e64248d926b996e2
- SHA512 45468ffc04dd8d1164995b395a7746a8979efe6f038f870d43656b15a7ed5585088115da58275d35793891f82d7dde2319d1dd5602178885cb8c302da2a29bd2
- SSDEEP 24576:k09tv9/7JtDElDEExIko2H2HESq2eWJ6MQjySjy+jh:k09XJt4HIN2H2tFvduySz
- TLSH T18645C053F982C0B1C644643089AE67B6EDB65F424B378AC39794FD1D3CB2191B63B13A
- MD5 SHA1 SHA512 SSDEEP TLSH
Malware Config
Signatures
-
resource yara_rule behavioral2/memory/3768-8-0x0000000010000000-0x00000000101B6000-memory.dmp purplefox_rootkit behavioral2/memory/3768-9-0x0000000010000000-0x00000000101B6000-memory.dmp purplefox_rootkit behavioral2/memory/2296-18-0x0000000010000000-0x00000000101B6000-memory.dmp purplefox_rootkit behavioral2/memory/2296-17-0x0000000010000000-0x00000000101B6000-memory.dmp purplefox_rootkit behavioral2/memory/556-24-0x0000000010000000-0x00000000101B6000-memory.dmp purplefox_rootkit behavioral2/memory/556-37-0x0000000010000000-0x00000000101B6000-memory.dmp purplefox_rootkit behavioral2/memory/556-25-0x0000000010000000-0x00000000101B6000-memory.dmp purplefox_rootkit behavioral2/memory/556-41-0x0000000010000000-0x00000000101B6000-memory.dmp purplefox_rootkit behavioral2/memory/556-42-0x0000000010000000-0x00000000101B6000-memory.dmp purplefox_rootkit - Gh0st RAT payload 9 IoCs
resource yara_rule behavioral2/memory/3768-8-0x0000000010000000-0x00000000101B6000-memory.dmp family_gh0strat behavioral2/memory/3768-9-0x0000000010000000-0x00000000101B6000-memory.dmp family_gh0strat behavioral2/memory/2296-18-0x0000000010000000-0x00000000101B6000-memory.dmp family_gh0strat behavioral2/memory/2296-17-0x0000000010000000-0x00000000101B6000-memory.dmp family_gh0strat behavioral2/memory/556-24-0x0000000010000000-0x00000000101B6000-memory.dmp family_gh0strat behavioral2/memory/556-37-0x0000000010000000-0x00000000101B6000-memory.dmp family_gh0strat behavioral2/memory/556-25-0x0000000010000000-0x00000000101B6000-memory.dmp family_gh0strat behavioral2/memory/556-41-0x0000000010000000-0x00000000101B6000-memory.dmp family_gh0strat behavioral2/memory/556-42-0x0000000010000000-0x00000000101B6000-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 3768 RVN.exe 2296 TXPlatforn.exe 556 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/3768-7-0x0000000010000000-0x00000000101B6000-memory.dmp upx behavioral2/memory/3768-8-0x0000000010000000-0x00000000101B6000-memory.dmp upx behavioral2/memory/3768-9-0x0000000010000000-0x00000000101B6000-memory.dmp upx behavioral2/memory/2296-18-0x0000000010000000-0x00000000101B6000-memory.dmp upx behavioral2/memory/2296-17-0x0000000010000000-0x00000000101B6000-memory.dmp upx behavioral2/memory/2296-15-0x0000000010000000-0x00000000101B6000-memory.dmp upx behavioral2/memory/556-22-0x0000000010000000-0x00000000101B6000-memory.dmp upx behavioral2/memory/556-24-0x0000000010000000-0x00000000101B6000-memory.dmp upx behavioral2/memory/556-37-0x0000000010000000-0x00000000101B6000-memory.dmp upx behavioral2/memory/556-25-0x0000000010000000-0x00000000101B6000-memory.dmp upx behavioral2/memory/556-41-0x0000000010000000-0x00000000101B6000-memory.dmp upx behavioral2/memory/556-42-0x0000000010000000-0x00000000101B6000-memory.dmp upx - Drops file in Program Files directory 5 IoCs
description ioc Process File opened for modification C:\Program Files\Mozilla Firefox\firefox.exe 048c552a76313429b1fcc68e46594a0d4847955d92d6393fc3a9e625bebd82d7.exe File created C:\Program Files (x86)\Google\Chrome\Application\chrome.exe 048c552a76313429b1fcc68e46594a0d4847955d92d6393fc3a9e625bebd82d7.exe File opened for modification C:\Program Files\VideoLAN\VLC\vlc.exe 048c552a76313429b1fcc68e46594a0d4847955d92d6393fc3a9e625bebd82d7.exe File opened for modification C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe 048c552a76313429b1fcc68e46594a0d4847955d92d6393fc3a9e625bebd82d7.exe File opened for modification C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroRd32.exe 048c552a76313429b1fcc68e46594a0d4847955d92d6393fc3a9e625bebd82d7.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 048c552a76313429b1fcc68e46594a0d4847955d92d6393fc3a9e625bebd82d7.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 1864 cmd.exe 6052 PING.EXE - Runs ping.exe 1 TTPs 1 IoCs
pid Process 6052 PING.EXE - Suspicious behavior: LoadsDriver 1 IoCs
pid Process 556 TXPlatforn.exe - Suspicious use of AdjustPrivilegeToken 6 IoCs
description pid Process Token: SeIncBasePriorityPrivilege 3768 RVN.exe Token: SeLoadDriverPrivilege 556 TXPlatforn.exe Token: 33 556 TXPlatforn.exe Token: SeIncBasePriorityPrivilege 556 TXPlatforn.exe Token: 33 556 TXPlatforn.exe Token: SeIncBasePriorityPrivilege 556 TXPlatforn.exe - Suspicious use of SetWindowsHookEx 2 IoCs
pid Process 5016 048c552a76313429b1fcc68e46594a0d4847955d92d6393fc3a9e625bebd82d7.exe 5016 048c552a76313429b1fcc68e46594a0d4847955d92d6393fc3a9e625bebd82d7.exe - Suspicious use of WriteProcessMemory 4 IoCs
description pid Process procid_target PID 5016 wrote to memory of 3768 5016 048c552a76313429b1fcc68e46594a0d4847955d92d6393fc3a9e625bebd82d7.exe 79 PID 3768 wrote to memory of 1864 3768 RVN.exe 81 PID 2296 wrote to memory of 556 2296 TXPlatforn.exe 82 PID 1864 wrote to memory of 6052 1864 cmd.exe 84
Processes
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C:\Users\Admin\AppData\Local\Temp\048c552a76313429b1fcc68e46594a0d4847955d92d6393fc3a9e625bebd82d7.exe"C:\Users\Admin\AppData\Local\Temp\048c552a76313429b1fcc68e46594a0d4847955d92d6393fc3a9e625bebd82d7.exe"1⤵
- Drops file in Program Files directory
- System Location Discovery: System Language Discovery
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:5016 -
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:3768 -
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:1864 -
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:6052
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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:2296 -
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:556
-
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 1.1MB
- SHA256 048c552a76313429b1fcc68e46594a0d4847955d92d6393fc3a9e625bebd82d7
- MD5 ffb1f5e37a99f6f8a1dc7caf7175ecd9
- SHA1 fe5be8e10a61f1dafa3b2bc5e64248d926b996e2
- SHA512 45468ffc04dd8d1164995b395a7746a8979efe6f038f870d43656b15a7ed5585088115da58275d35793891f82d7dde2319d1dd5602178885cb8c302da2a29bd2
- SSDEEP 24576:k09tv9/7JtDElDEExIko2H2HESq2eWJ6MQjySjy+jh:k09XJt4HIN2H2tFvduySz
- TLSH T18645C053F982C0B1C644643089AE67B6EDB65F424B378AC39794FD1D3CB2191B63B13A
- 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