Analysis
- max time kernel
150s - max time network
146s - platform
windows11-ltsc_2024_x64 - resource
win11ltsc2024-20260709-en - resource tags
arch:x64arch:x86image:win11ltsc2024-20260709-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows - submitted
05/08/2026, 01:51
Static task
static1
Behavioral task
behavioral1
Sample
effc83fb5782478ee7a8abbd471e8f7cb7ddf9e4c51887bad6ee26ba87a25e2f.exe
Resource
win10v2004-20260513-en
General
- Target effc83fb5782478ee7a8abbd471e8f7cb7ddf9e4c51887bad6ee26ba87a25e2f.exe
- Size 2.5MB
- Sample260805-b91f7attd1
- SHA256 effc83fb5782478ee7a8abbd471e8f7cb7ddf9e4c51887bad6ee26ba87a25e2f
- MD5 8aabbf507e2eeb6c54f24ebf7d366804
- SHA1 2db99489186a7a3f1c604120118455d9fbb417ad
- SHA512 41cccc2f8ea603982fd0487b553bb142582791b9d04b4529e21f329455df92ddbff2114d7643f94f184d5ae24d7d0bfe73ffff559140444685586b737cfec52b
- SSDEEP 49152:0CwsbCANnKXferL7Vwe/Gg0P+WhFM8YLu:Xws2ANnKXOaeOgmhFM8YLu
- TLSH T170C58E43F5954872C7C84671DE67DEF39B207ABE47F3063A7A4CEEC83A252447A21225
- MD5 SHA1 SHA512 SSDEEP TLSH
Malware Config
Signatures
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resource yara_rule behavioral2/memory/4228-20-0x0000000010000000-0x00000000101B6000-memory.dmp purplefox_rootkit behavioral2/memory/4228-22-0x0000000010000000-0x00000000101B6000-memory.dmp purplefox_rootkit behavioral2/memory/4228-21-0x0000000010000000-0x00000000101B6000-memory.dmp purplefox_rootkit behavioral2/memory/2392-27-0x0000000010000000-0x00000000101B6000-memory.dmp purplefox_rootkit behavioral2/memory/2392-26-0x0000000010000000-0x00000000101B6000-memory.dmp purplefox_rootkit behavioral2/memory/4400-35-0x0000000010000000-0x00000000101B6000-memory.dmp purplefox_rootkit behavioral2/memory/4400-37-0x0000000010000000-0x00000000101B6000-memory.dmp purplefox_rootkit behavioral2/memory/4400-39-0x0000000010000000-0x00000000101B6000-memory.dmp purplefox_rootkit - Gh0st RAT payload 9 IoCs
resource yara_rule behavioral2/files/0x0005000000016b3f-6.dat family_gh0strat behavioral2/memory/4228-20-0x0000000010000000-0x00000000101B6000-memory.dmp family_gh0strat behavioral2/memory/4228-22-0x0000000010000000-0x00000000101B6000-memory.dmp family_gh0strat behavioral2/memory/4228-21-0x0000000010000000-0x00000000101B6000-memory.dmp family_gh0strat behavioral2/memory/2392-27-0x0000000010000000-0x00000000101B6000-memory.dmp family_gh0strat behavioral2/memory/2392-26-0x0000000010000000-0x00000000101B6000-memory.dmp family_gh0strat behavioral2/memory/4400-35-0x0000000010000000-0x00000000101B6000-memory.dmp family_gh0strat behavioral2/memory/4400-37-0x0000000010000000-0x00000000101B6000-memory.dmp family_gh0strat behavioral2/memory/4400-39-0x0000000010000000-0x00000000101B6000-memory.dmp family_gh0strat - Drops file in Drivers directory 1 IoCs
description ioc Process File created C:\Windows\system32\drivers\QAssist.sys TXPlatfor.exe - Server Software Component: Terminal Services DLL 1 TTPs 1 IoCs
description ioc Process Set value (str) \REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\Remote Data\Parameters\ServiceDll = "C:\\Windows\\system32\\240724546.txt" R.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" TXPlatfor.exe - Executes dropped EXE 5 IoCs
pid Process 5020 R.exe 4228 N.exe 2392 TXPlatfor.exe 4400 TXPlatfor.exe 4516 Remote Data.exe - Loads dropped DLL 3 IoCs
pid Process 5020 R.exe 4408 svchost.exe 4516 Remote Data.exe - Drops file in System32 directory 5 IoCs
description ioc Process File created C:\Windows\SysWOW64\240724546.txt R.exe File opened for modification C:\Windows\SysWOW64\ini.ini R.exe File created C:\Windows\SysWOW64\Remote Data.exe svchost.exe File created C:\Windows\SysWOW64\TXPlatfor.exe N.exe File opened for modification C:\Windows\SysWOW64\TXPlatfor.exe N.exe -
resource yara_rule behavioral2/memory/4228-20-0x0000000010000000-0x00000000101B6000-memory.dmp upx behavioral2/memory/4228-22-0x0000000010000000-0x00000000101B6000-memory.dmp upx behavioral2/memory/4228-21-0x0000000010000000-0x00000000101B6000-memory.dmp upx behavioral2/memory/4228-18-0x0000000010000000-0x00000000101B6000-memory.dmp upx behavioral2/memory/2392-27-0x0000000010000000-0x00000000101B6000-memory.dmp upx behavioral2/memory/2392-26-0x0000000010000000-0x00000000101B6000-memory.dmp upx behavioral2/memory/2392-24-0x0000000010000000-0x00000000101B6000-memory.dmp upx behavioral2/memory/4400-35-0x0000000010000000-0x00000000101B6000-memory.dmp upx behavioral2/memory/4400-37-0x0000000010000000-0x00000000101B6000-memory.dmp upx behavioral2/memory/4400-39-0x0000000010000000-0x00000000101B6000-memory.dmp upx - Executes a command shell one-liner 1 TTPs 1 IoCs
Execution of a cmd.exe one-liner (/c "close" or /k "keep") is a common script/loader stage.
pid Process 1288 cmd.exe - System Location Discovery: System Language Discovery 1 TTPs 8 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 TXPlatfor.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language PING.EXE Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language Remote Data.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language effc83fb5782478ee7a8abbd471e8f7cb7ddf9e4c51887bad6ee26ba87a25e2f.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language svchost.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language N.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language cmd.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language R.exe - System Network Configuration Discovery: Internet Connection Discovery 1 TTPs 2 IoCs
Adversaries may check for Internet connectivity on compromised systems.
pid Process 692 PING.EXE 1288 cmd.exe - Runs ping.exe 1 TTPs 1 IoCs
pid Process 692 PING.EXE - Suspicious behavior: LoadsDriver 1 IoCs
pid Process 4400 TXPlatfor.exe - Suspicious use of AdjustPrivilegeToken 6 IoCs
description pid Process Token: SeIncBasePriorityPrivilege 4228 N.exe Token: SeLoadDriverPrivilege 4400 TXPlatfor.exe Token: 33 4400 TXPlatfor.exe Token: SeIncBasePriorityPrivilege 4400 TXPlatfor.exe Token: 33 4400 TXPlatfor.exe Token: SeIncBasePriorityPrivilege 4400 TXPlatfor.exe - Suspicious use of SetWindowsHookEx 2 IoCs
pid Process 4348 effc83fb5782478ee7a8abbd471e8f7cb7ddf9e4c51887bad6ee26ba87a25e2f.exe 4348 effc83fb5782478ee7a8abbd471e8f7cb7ddf9e4c51887bad6ee26ba87a25e2f.exe - Suspicious use of WriteProcessMemory 6 IoCs
description pid Process procid_target PID 4348 wrote to memory of 5020 4348 effc83fb5782478ee7a8abbd471e8f7cb7ddf9e4c51887bad6ee26ba87a25e2f.exe 89 PID 4348 wrote to memory of 4228 4348 effc83fb5782478ee7a8abbd471e8f7cb7ddf9e4c51887bad6ee26ba87a25e2f.exe 93 PID 4228 wrote to memory of 1288 4228 N.exe 96 PID 2392 wrote to memory of 4400 2392 TXPlatfor.exe 97 PID 1288 wrote to memory of 692 1288 cmd.exe 99 PID 4408 wrote to memory of 4516 4408 svchost.exe 101
Processes
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C:\Users\Admin\AppData\Local\Temp\effc83fb5782478ee7a8abbd471e8f7cb7ddf9e4c51887bad6ee26ba87a25e2f.exe"C:\Users\Admin\AppData\Local\Temp\effc83fb5782478ee7a8abbd471e8f7cb7ddf9e4c51887bad6ee26ba87a25e2f.exe"1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:4348 -
C:\Users\Admin\AppData\Local\Temp\R.exeC:\Users\Admin\AppData\Local\Temp\\R.exe2⤵
- Server Software Component: Terminal Services DLL
- Executes dropped EXE
- Loads dropped DLL
- Drops file in System32 directory
- System Location Discovery: System Language Discovery
PID:5020
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C:\Users\Admin\AppData\Local\Temp\N.exeC:\Users\Admin\AppData\Local\Temp\\N.exe2⤵
- Executes dropped EXE
- Drops file in System32 directory
- System Location Discovery: System Language Discovery
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:4228 -
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\N.exe > nul3⤵
- Executes a command shell one-liner
- System Location Discovery: System Language Discovery
- System Network Configuration Discovery: Internet Connection Discovery
- Suspicious use of WriteProcessMemory
PID:1288 -
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:692
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C:\Windows\SysWOW64\svchost.exeC:\Windows\SysWOW64\svchost.exe -k "Remote Data"1⤵PID:5136
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C:\Windows\SysWOW64\svchost.exeC:\Windows\SysWOW64\svchost.exe -k "Remote Data"1⤵
- Loads dropped DLL
- Drops file in System32 directory
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:4408 -
C:\Windows\SysWOW64\Remote Data.exe"C:\Windows\system32\Remote Data.exe" "c:\windows\system32\240724546.txt",MainThread2⤵
- Executes dropped EXE
- Loads dropped DLL
- System Location Discovery: System Language Discovery
PID:4516
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C:\Windows\SysWOW64\TXPlatfor.exeC:\Windows\SysWOW64\TXPlatfor.exe -auto1⤵
- Executes dropped EXE
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2392 -
C:\Windows\SysWOW64\TXPlatfor.exeC:\Windows\SysWOW64\TXPlatfor.exe -acsi2⤵
- Drops file in Drivers directory
- Sets service image path in registry
- Executes dropped EXE
- Suspicious behavior: LoadsDriver
- Suspicious use of AdjustPrivilegeToken
PID:4400
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C:\Windows\System32\svchost.exeC:\Windows\System32\svchost.exe -k "Remote Data"1⤵PID:1668
Network
MITRE ATT&CK Enterprise v16
Persistence
Boot or Logon Autostart Execution
1Registry Run Keys / Startup Folder
1Create or Modify System Process
1Windows Service
1Server Software Component
1Terminal Services DLL
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 2.5MB
- SHA256 effc83fb5782478ee7a8abbd471e8f7cb7ddf9e4c51887bad6ee26ba87a25e2f
- MD5 8aabbf507e2eeb6c54f24ebf7d366804
- SHA1 2db99489186a7a3f1c604120118455d9fbb417ad
- SHA512 41cccc2f8ea603982fd0487b553bb142582791b9d04b4529e21f329455df92ddbff2114d7643f94f184d5ae24d7d0bfe73ffff559140444685586b737cfec52b
- SSDEEP 49152:0CwsbCANnKXferL7Vwe/Gg0P+WhFM8YLu:Xws2ANnKXOaeOgmhFM8YLu
- TLSH T170C58E43F5954872C7C84671DE67DEF39B207ABE47F3063A7A4CEEC83A252447A21225
- MD5 SHA1 SHA512 SSDEEP TLSH
- Path C:\Users\Admin\AppData\Local\Temp\N.exe
- Size 377KB
- SHA256 3de6c02f52a661b8f934f59541d0cf297bb489eb2155e346b63c7338e09aeaf8
- MD5 4a36a48e58829c22381572b2040b6fe0
- SHA1 f09d30e44ff7e3f20a5de307720f3ad148c6143b
- SHA512 5d0ea398792f6b9eb3f188813c50b7f43929183b5733d2b595b2fd1c78722764fd15f62db1086b5c7edfb157661a6dcd544ddd80907ee7699dddbca1ef4022d0
- SSDEEP 6144:5UGp2l6zRmeVLNHfkQ2TAygOcqAJwQZgb4YtjH6/MuQafORzEOmFfMzi71o+YHL7:HclcceBKlKwAg0Mja/UafOVwbha
- TLSH T152841241FF520127C74AB0B5C9984E7F8E7A03888E650C3A7F795E4E1B603EE6923D59
- MD5 SHA1 SHA512 SSDEEP TLSH
- Path C:\Users\Admin\AppData\Local\Temp\R.exe
- Size 941KB
- SHA256 bc29f2022ab3b812e50c8681ff196f090c038b5ab51e37daffac4469a8c2eb2c
- MD5 8dc3adf1c490211971c1e2325f1424d2
- SHA1 4eec4a4e7cb97c5efa6c72e0731cd090c0c4adc5
- SHA512 ae92ea20b359849dcdba4808119b154e3af5ef3687ee09de1797610fe8c4d3eb9065b068074d35adddb4b225d17c619baff3944cb137ad196bcef7a6507f920d
- SSDEEP 24576:N+wT1kfTw4SIuvB74fgt7ibhRM5QhKehFdMtRj7nH1PXw:cerL7Vw
- TLSH T105257D43E6765C93C3CC4836CC7AD27273217A5CB3F79636B180AAD7B6B52603D2065A
- MD5 SHA1 SHA512 SSDEEP TLSH
- Path C:\Windows\SysWOW64\240724546.txt
- Size 899KB
- SHA256 9058f1a20ae6a65d60880438c2992c4cf4101194abe47ea62c4760244baf8fff
- MD5 26e5ee71b94734ad4fc1e8a97d1e67c1
- SHA1 256508bbde93b7e26c48a4a10c2c0d6605927566
- SHA512 387e8e7c6e585b74c83491b0ce69a216f5fa139e63be6f3ebf58ef291bb77293d63c7640db712dfe80517de9f6b91e6c330bacdd9546de7aab798ee19b85830f
- SSDEEP 24576:7V2bG+2gMir4fgt7ibhRM5QhKehFdMtRj7nH1PXn:7wqd87Vn
- TLSH T1F8152983F6B68CA3C7C90435DC7AD2B67B24761CE3F786327280E9D7B5B6251781421A
- MD5 SHA1 SHA512 SSDEEP TLSH
- Path C:\Windows\SysWOW64\Remote Data.exe
- Size 51KB
- SHA256 ce6bb7eddc83762c708d4a41709ae00371dbdc09b2a380f28fa60b1edf917473
- MD5 2e068ce2770fde8d1af4cb114b98df1f
- SHA1 b6f9c2775babb025b22f915c3047aa627d07c312
- SHA512 998d695eb56375e63df7db16740b89deb2cf630ccbead8bcf84a921ec6f4a4f9aef2755b703f7190f332b2008ebcc949363bcf8f392d7d07246c255b5073ed35
- SSDEEP 1536:6G9yoVEpHP29I3fbcJboSUge5N+CnC/maz9Rh:8pv2mbcJboce58wvOR
- TLSH T137336C236A0A49B3DFE231780A9D7232526DD862075541F7A61057EAFD243E2EE743CF
- MD5 SHA1 SHA512 SSDEEP TLSH