Analysis
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max time kernel
150s -
max time network
141s -
platform
windows10-2004_x64 -
resource
win10v2004-20241007-en -
resource tags
arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system -
submitted
13-11-2024 16:50
Static task
static1
Behavioral task
behavioral1
Sample
fd293495de7c907e8ff463a9a6ef0b1ab1424c910fc0f4e4c519f578edfeb2c7.exe
Resource
win7-20240903-en
General
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Target
fd293495de7c907e8ff463a9a6ef0b1ab1424c910fc0f4e4c519f578edfeb2c7.exe
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Size
1.3MB
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MD5
f23fbbe308c085aff734cfc1c9d82e26
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SHA1
21751b43cd486dbb37f9f45e561501735b0c2619
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SHA256
fd293495de7c907e8ff463a9a6ef0b1ab1424c910fc0f4e4c519f578edfeb2c7
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SHA512
52e74a107d022da42221f84f7d090bbcb04cd717efbe21963abbb9a2c9fad82f225d70ff942d6d9d7534191830592199f5045aafb8d0608ce533df5e65a89ee0
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SSDEEP
24576:209tv9/7JtDElDEExIko2H2HESq2eWJ6MQjySjy+LowpeITTy:209XJt4HIN2H2tFvduySppeI3y
Malware Config
Signatures
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resource yara_rule behavioral2/memory/4900-10-0x0000000010000000-0x00000000101B6000-memory.dmp purplefox_rootkit behavioral2/memory/4900-7-0x0000000010000000-0x00000000101B6000-memory.dmp purplefox_rootkit behavioral2/memory/4900-6-0x0000000010000000-0x00000000101B6000-memory.dmp purplefox_rootkit behavioral2/memory/4396-15-0x0000000010000000-0x00000000101B6000-memory.dmp purplefox_rootkit behavioral2/memory/4396-16-0x0000000010000000-0x00000000101B6000-memory.dmp purplefox_rootkit behavioral2/memory/4396-18-0x0000000010000000-0x00000000101B6000-memory.dmp purplefox_rootkit behavioral2/memory/4396-29-0x0000000010000000-0x00000000101B6000-memory.dmp purplefox_rootkit behavioral2/memory/2432-30-0x0000000010000000-0x00000000101B6000-memory.dmp purplefox_rootkit behavioral2/memory/2432-68-0x0000000010000000-0x00000000101B6000-memory.dmp purplefox_rootkit behavioral2/memory/2432-72-0x0000000010000000-0x00000000101B6000-memory.dmp purplefox_rootkit behavioral2/memory/2432-73-0x0000000010000000-0x00000000101B6000-memory.dmp purplefox_rootkit -
Gh0st RAT payload 11 IoCs
resource yara_rule behavioral2/memory/4900-10-0x0000000010000000-0x00000000101B6000-memory.dmp family_gh0strat behavioral2/memory/4900-7-0x0000000010000000-0x00000000101B6000-memory.dmp family_gh0strat behavioral2/memory/4900-6-0x0000000010000000-0x00000000101B6000-memory.dmp family_gh0strat behavioral2/memory/4396-15-0x0000000010000000-0x00000000101B6000-memory.dmp family_gh0strat behavioral2/memory/4396-16-0x0000000010000000-0x00000000101B6000-memory.dmp family_gh0strat behavioral2/memory/4396-18-0x0000000010000000-0x00000000101B6000-memory.dmp family_gh0strat behavioral2/memory/4396-29-0x0000000010000000-0x00000000101B6000-memory.dmp family_gh0strat behavioral2/memory/2432-30-0x0000000010000000-0x00000000101B6000-memory.dmp family_gh0strat behavioral2/memory/2432-68-0x0000000010000000-0x00000000101B6000-memory.dmp family_gh0strat behavioral2/memory/2432-72-0x0000000010000000-0x00000000101B6000-memory.dmp family_gh0strat behavioral2/memory/2432-73-0x0000000010000000-0x00000000101B6000-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 4900 RVN.exe 4396 TXPlatforn.exe 2432 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/4900-4-0x0000000010000000-0x00000000101B6000-memory.dmp upx behavioral2/memory/4900-10-0x0000000010000000-0x00000000101B6000-memory.dmp upx behavioral2/memory/4900-7-0x0000000010000000-0x00000000101B6000-memory.dmp upx behavioral2/memory/4900-6-0x0000000010000000-0x00000000101B6000-memory.dmp upx behavioral2/memory/4396-15-0x0000000010000000-0x00000000101B6000-memory.dmp upx behavioral2/memory/4396-16-0x0000000010000000-0x00000000101B6000-memory.dmp upx behavioral2/memory/4396-18-0x0000000010000000-0x00000000101B6000-memory.dmp upx behavioral2/memory/4396-13-0x0000000010000000-0x00000000101B6000-memory.dmp upx behavioral2/memory/4396-29-0x0000000010000000-0x00000000101B6000-memory.dmp upx behavioral2/memory/2432-30-0x0000000010000000-0x00000000101B6000-memory.dmp upx behavioral2/memory/2432-68-0x0000000010000000-0x00000000101B6000-memory.dmp upx behavioral2/memory/2432-72-0x0000000010000000-0x00000000101B6000-memory.dmp upx behavioral2/memory/2432-73-0x0000000010000000-0x00000000101B6000-memory.dmp upx -
Drops file in Program Files directory 5 IoCs
description ioc Process File opened for modification C:\Program Files\VideoLAN\VLC\vlc.exe fd293495de7c907e8ff463a9a6ef0b1ab1424c910fc0f4e4c519f578edfeb2c7.exe File opened for modification C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe fd293495de7c907e8ff463a9a6ef0b1ab1424c910fc0f4e4c519f578edfeb2c7.exe File opened for modification C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroRd32.exe fd293495de7c907e8ff463a9a6ef0b1ab1424c910fc0f4e4c519f578edfeb2c7.exe File opened for modification C:\Program Files\Mozilla Firefox\firefox.exe fd293495de7c907e8ff463a9a6ef0b1ab1424c910fc0f4e4c519f578edfeb2c7.exe File created C:\Program Files (x86)\Google\Chrome\Application\chrome.exe fd293495de7c907e8ff463a9a6ef0b1ab1424c910fc0f4e4c519f578edfeb2c7.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 cmd.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language PING.EXE Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language fd293495de7c907e8ff463a9a6ef0b1ab1424c910fc0f4e4c519f578edfeb2c7.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language RVN.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language TXPlatforn.exe -
System Network Configuration Discovery: Internet Connection Discovery 1 TTPs 2 IoCs
Adversaries may check for Internet connectivity on compromised systems.
pid Process 456 cmd.exe 4688 PING.EXE -
Runs ping.exe 1 TTPs 1 IoCs
pid Process 4688 PING.EXE -
Suspicious behavior: LoadsDriver 1 IoCs
pid Process 2432 TXPlatforn.exe -
Suspicious use of AdjustPrivilegeToken 6 IoCs
description pid Process Token: SeIncBasePriorityPrivilege 4900 RVN.exe Token: SeLoadDriverPrivilege 2432 TXPlatforn.exe Token: 33 2432 TXPlatforn.exe Token: SeIncBasePriorityPrivilege 2432 TXPlatforn.exe Token: 33 2432 TXPlatforn.exe Token: SeIncBasePriorityPrivilege 2432 TXPlatforn.exe -
Suspicious use of SetWindowsHookEx 2 IoCs
pid Process 2972 fd293495de7c907e8ff463a9a6ef0b1ab1424c910fc0f4e4c519f578edfeb2c7.exe 2972 fd293495de7c907e8ff463a9a6ef0b1ab1424c910fc0f4e4c519f578edfeb2c7.exe -
Suspicious use of WriteProcessMemory 12 IoCs
description pid Process procid_target PID 2972 wrote to memory of 4900 2972 fd293495de7c907e8ff463a9a6ef0b1ab1424c910fc0f4e4c519f578edfeb2c7.exe 85 PID 2972 wrote to memory of 4900 2972 fd293495de7c907e8ff463a9a6ef0b1ab1424c910fc0f4e4c519f578edfeb2c7.exe 85 PID 2972 wrote to memory of 4900 2972 fd293495de7c907e8ff463a9a6ef0b1ab1424c910fc0f4e4c519f578edfeb2c7.exe 85 PID 4900 wrote to memory of 456 4900 RVN.exe 88 PID 4900 wrote to memory of 456 4900 RVN.exe 88 PID 4900 wrote to memory of 456 4900 RVN.exe 88 PID 4396 wrote to memory of 2432 4396 TXPlatforn.exe 89 PID 4396 wrote to memory of 2432 4396 TXPlatforn.exe 89 PID 4396 wrote to memory of 2432 4396 TXPlatforn.exe 89 PID 456 wrote to memory of 4688 456 cmd.exe 91 PID 456 wrote to memory of 4688 456 cmd.exe 91 PID 456 wrote to memory of 4688 456 cmd.exe 91
Processes
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C:\Users\Admin\AppData\Local\Temp\fd293495de7c907e8ff463a9a6ef0b1ab1424c910fc0f4e4c519f578edfeb2c7.exe"C:\Users\Admin\AppData\Local\Temp\fd293495de7c907e8ff463a9a6ef0b1ab1424c910fc0f4e4c519f578edfeb2c7.exe"1⤵
- Drops file in Program Files directory
- System Location Discovery: System Language Discovery
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:2972 -
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:4900 -
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:456 -
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:4688
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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:4396 -
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:2432
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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
1.3MB
MD5f23fbbe308c085aff734cfc1c9d82e26
SHA121751b43cd486dbb37f9f45e561501735b0c2619
SHA256fd293495de7c907e8ff463a9a6ef0b1ab1424c910fc0f4e4c519f578edfeb2c7
SHA51252e74a107d022da42221f84f7d090bbcb04cd717efbe21963abbb9a2c9fad82f225d70ff942d6d9d7534191830592199f5045aafb8d0608ce533df5e65a89ee0
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Filesize
377KB
MD580ade1893dec9cab7f2e63538a464fcc
SHA1c06614da33a65eddb506db00a124a3fc3f5be02e
SHA25657a920389c044e3f5cf93dabff67070b4511e79779b6f874e08f92d8b0d7afbd
SHA512fffd4f3fccb5301b3c7a5b3bd92747f31549fbd9d0803fe5d502d1bb0ef979140988718c2ee1406ed3e755790d275185e120a56cbcb5ed2eadf62b5cdbfc4cc4