Analysis
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max time kernel
150s -
max time network
140s -
platform
windows10-2004_x64 -
resource
win10v2004-20241007-en -
resource tags
arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system -
submitted
30-12-2024 00:44
Static task
static1
Behavioral task
behavioral1
Sample
44e5331ce62c8de6480bf05b1c22f4c2ae0ebd7f546cb8f50d078756162f11e3.exe
Resource
win7-20240708-en
General
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Target
44e5331ce62c8de6480bf05b1c22f4c2ae0ebd7f546cb8f50d078756162f11e3.exe
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Size
1.5MB
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MD5
d9d481674ffdea74865a6031479962b3
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SHA1
07dbfbd87c719537e616f2347bd66efb3a9a5ae6
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SHA256
44e5331ce62c8de6480bf05b1c22f4c2ae0ebd7f546cb8f50d078756162f11e3
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SHA512
26ffff903de9f9f2e43d76648dbec786463759ff2fa5dd80a8ef47b58000682cc54e6b8c0abfce4ac22617a7a94b7fca958b0b770e1b7b5c14b53f936eac4e9a
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SSDEEP
24576:M09tv9/7JtDElDEExIko2H2HESq2eWJ6MQjySjy+2TpEWQ7z9vFP:M09XJt4HIN2H2tFvduySepEWoxvB
Malware Config
Signatures
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resource yara_rule behavioral2/memory/996-6-0x0000000010000000-0x00000000101B6000-memory.dmp purplefox_rootkit behavioral2/memory/996-10-0x0000000010000000-0x00000000101B6000-memory.dmp purplefox_rootkit behavioral2/memory/996-7-0x0000000010000000-0x00000000101B6000-memory.dmp purplefox_rootkit behavioral2/memory/4364-15-0x0000000010000000-0x00000000101B6000-memory.dmp purplefox_rootkit behavioral2/memory/4364-17-0x0000000010000000-0x00000000101B6000-memory.dmp purplefox_rootkit behavioral2/memory/4364-16-0x0000000010000000-0x00000000101B6000-memory.dmp purplefox_rootkit behavioral2/memory/4364-25-0x0000000010000000-0x00000000101B6000-memory.dmp purplefox_rootkit behavioral2/memory/4752-24-0x0000000010000000-0x00000000101B6000-memory.dmp purplefox_rootkit behavioral2/memory/4752-36-0x0000000010000000-0x00000000101B6000-memory.dmp purplefox_rootkit behavioral2/memory/4752-73-0x0000000010000000-0x00000000101B6000-memory.dmp purplefox_rootkit behavioral2/memory/4752-62-0x0000000010000000-0x00000000101B6000-memory.dmp purplefox_rootkit -
Gh0st RAT payload 11 IoCs
resource yara_rule behavioral2/memory/996-6-0x0000000010000000-0x00000000101B6000-memory.dmp family_gh0strat behavioral2/memory/996-10-0x0000000010000000-0x00000000101B6000-memory.dmp family_gh0strat behavioral2/memory/996-7-0x0000000010000000-0x00000000101B6000-memory.dmp family_gh0strat behavioral2/memory/4364-15-0x0000000010000000-0x00000000101B6000-memory.dmp family_gh0strat behavioral2/memory/4364-17-0x0000000010000000-0x00000000101B6000-memory.dmp family_gh0strat behavioral2/memory/4364-16-0x0000000010000000-0x00000000101B6000-memory.dmp family_gh0strat behavioral2/memory/4364-25-0x0000000010000000-0x00000000101B6000-memory.dmp family_gh0strat behavioral2/memory/4752-24-0x0000000010000000-0x00000000101B6000-memory.dmp family_gh0strat behavioral2/memory/4752-36-0x0000000010000000-0x00000000101B6000-memory.dmp family_gh0strat behavioral2/memory/4752-73-0x0000000010000000-0x00000000101B6000-memory.dmp family_gh0strat behavioral2/memory/4752-62-0x0000000010000000-0x00000000101B6000-memory.dmp family_gh0strat -
Gh0strat family
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Purplefox family
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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 2 TTPs 1 IoCs
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 996 RVN.exe 4364 TXPlatforn.exe 4752 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/996-4-0x0000000010000000-0x00000000101B6000-memory.dmp upx behavioral2/memory/996-6-0x0000000010000000-0x00000000101B6000-memory.dmp upx behavioral2/memory/996-10-0x0000000010000000-0x00000000101B6000-memory.dmp upx behavioral2/memory/996-7-0x0000000010000000-0x00000000101B6000-memory.dmp upx behavioral2/memory/4364-13-0x0000000010000000-0x00000000101B6000-memory.dmp upx behavioral2/memory/4364-15-0x0000000010000000-0x00000000101B6000-memory.dmp upx behavioral2/memory/4364-17-0x0000000010000000-0x00000000101B6000-memory.dmp upx behavioral2/memory/4364-16-0x0000000010000000-0x00000000101B6000-memory.dmp upx behavioral2/memory/4364-25-0x0000000010000000-0x00000000101B6000-memory.dmp upx behavioral2/memory/4752-24-0x0000000010000000-0x00000000101B6000-memory.dmp upx behavioral2/memory/4752-36-0x0000000010000000-0x00000000101B6000-memory.dmp upx behavioral2/memory/4752-73-0x0000000010000000-0x00000000101B6000-memory.dmp upx behavioral2/memory/4752-62-0x0000000010000000-0x00000000101B6000-memory.dmp upx -
Drops file in Program Files directory 5 IoCs
description ioc Process File opened for modification C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe 44e5331ce62c8de6480bf05b1c22f4c2ae0ebd7f546cb8f50d078756162f11e3.exe File opened for modification C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroRd32.exe 44e5331ce62c8de6480bf05b1c22f4c2ae0ebd7f546cb8f50d078756162f11e3.exe File opened for modification C:\Program Files\Mozilla Firefox\firefox.exe 44e5331ce62c8de6480bf05b1c22f4c2ae0ebd7f546cb8f50d078756162f11e3.exe File created C:\Program Files (x86)\Google\Chrome\Application\chrome.exe 44e5331ce62c8de6480bf05b1c22f4c2ae0ebd7f546cb8f50d078756162f11e3.exe File opened for modification C:\Program Files\VideoLAN\VLC\vlc.exe 44e5331ce62c8de6480bf05b1c22f4c2ae0ebd7f546cb8f50d078756162f11e3.exe -
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
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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 PING.EXE Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language 44e5331ce62c8de6480bf05b1c22f4c2ae0ebd7f546cb8f50d078756162f11e3.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 -
System Network Configuration Discovery: Internet Connection Discovery 1 TTPs 2 IoCs
Adversaries may check for Internet connectivity on compromised systems.
pid Process 1928 cmd.exe 4376 PING.EXE -
Runs ping.exe 1 TTPs 1 IoCs
pid Process 4376 PING.EXE -
Suspicious behavior: LoadsDriver 1 IoCs
pid Process 4752 TXPlatforn.exe -
Suspicious use of AdjustPrivilegeToken 6 IoCs
description pid Process Token: SeIncBasePriorityPrivilege 996 RVN.exe Token: SeLoadDriverPrivilege 4752 TXPlatforn.exe Token: 33 4752 TXPlatforn.exe Token: SeIncBasePriorityPrivilege 4752 TXPlatforn.exe Token: 33 4752 TXPlatforn.exe Token: SeIncBasePriorityPrivilege 4752 TXPlatforn.exe -
Suspicious use of SetWindowsHookEx 2 IoCs
pid Process 1196 44e5331ce62c8de6480bf05b1c22f4c2ae0ebd7f546cb8f50d078756162f11e3.exe 1196 44e5331ce62c8de6480bf05b1c22f4c2ae0ebd7f546cb8f50d078756162f11e3.exe -
Suspicious use of WriteProcessMemory 12 IoCs
description pid Process procid_target PID 1196 wrote to memory of 996 1196 44e5331ce62c8de6480bf05b1c22f4c2ae0ebd7f546cb8f50d078756162f11e3.exe 83 PID 1196 wrote to memory of 996 1196 44e5331ce62c8de6480bf05b1c22f4c2ae0ebd7f546cb8f50d078756162f11e3.exe 83 PID 1196 wrote to memory of 996 1196 44e5331ce62c8de6480bf05b1c22f4c2ae0ebd7f546cb8f50d078756162f11e3.exe 83 PID 996 wrote to memory of 1928 996 RVN.exe 85 PID 996 wrote to memory of 1928 996 RVN.exe 85 PID 996 wrote to memory of 1928 996 RVN.exe 85 PID 4364 wrote to memory of 4752 4364 TXPlatforn.exe 87 PID 4364 wrote to memory of 4752 4364 TXPlatforn.exe 87 PID 4364 wrote to memory of 4752 4364 TXPlatforn.exe 87 PID 1928 wrote to memory of 4376 1928 cmd.exe 88 PID 1928 wrote to memory of 4376 1928 cmd.exe 88 PID 1928 wrote to memory of 4376 1928 cmd.exe 88
Processes
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C:\Users\Admin\AppData\Local\Temp\44e5331ce62c8de6480bf05b1c22f4c2ae0ebd7f546cb8f50d078756162f11e3.exe"C:\Users\Admin\AppData\Local\Temp\44e5331ce62c8de6480bf05b1c22f4c2ae0ebd7f546cb8f50d078756162f11e3.exe"1⤵
- Drops file in Program Files directory
- System Location Discovery: System Language Discovery
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:1196 -
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:996 -
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:1928 -
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:4376
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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:4364 -
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:4752
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Network
MITRE ATT&CK Enterprise v15
Privilege Escalation
Boot or Logon Autostart Execution
1Registry Run Keys / Startup Folder
1Replay Monitor
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Downloads
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Filesize
1.5MB
MD5d9d481674ffdea74865a6031479962b3
SHA107dbfbd87c719537e616f2347bd66efb3a9a5ae6
SHA25644e5331ce62c8de6480bf05b1c22f4c2ae0ebd7f546cb8f50d078756162f11e3
SHA51226ffff903de9f9f2e43d76648dbec786463759ff2fa5dd80a8ef47b58000682cc54e6b8c0abfce4ac22617a7a94b7fca958b0b770e1b7b5c14b53f936eac4e9a
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Filesize
377KB
MD580ade1893dec9cab7f2e63538a464fcc
SHA1c06614da33a65eddb506db00a124a3fc3f5be02e
SHA25657a920389c044e3f5cf93dabff67070b4511e79779b6f874e08f92d8b0d7afbd
SHA512fffd4f3fccb5301b3c7a5b3bd92747f31549fbd9d0803fe5d502d1bb0ef979140988718c2ee1406ed3e755790d275185e120a56cbcb5ed2eadf62b5cdbfc4cc4