Analysis
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max time kernel
150s -
max time network
146s -
platform
windows10-2004_x64 -
resource
win10v2004-20241007-en -
resource tags
arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system -
submitted
21-12-2024 21:24
Static task
static1
Behavioral task
behavioral1
Sample
04be5404f7db36f8743ae0e3381ae0388764da4376aaa57015f217f7027feca2.exe
Resource
win7-20240708-en
General
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Target
04be5404f7db36f8743ae0e3381ae0388764da4376aaa57015f217f7027feca2.exe
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Size
1.4MB
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MD5
923426154dc508aa63647ad3965a69ef
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SHA1
5600e1889d89d136c36b15f2d8c4d63f57efa878
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SHA256
04be5404f7db36f8743ae0e3381ae0388764da4376aaa57015f217f7027feca2
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SHA512
0894b03ee163b1c1f071a808ce7dea3ceb4f65d5f047cb6bb5e338f37be945f2afde6e098b46db37d7d842718c4533835d3d0ba8fbf3a2d5f4a4c0fae91534a2
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SSDEEP
24576:D09tv9/7JtDElDEExIko2H2HESq2eWJ6MQjySjy+ol6wXQ641hI4w251cNpvH3RH:D09XJt4HIN2H2tFvduyS2l6wXQ641hIz
Malware Config
Signatures
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resource yara_rule behavioral2/memory/5080-7-0x0000000010000000-0x00000000101B6000-memory.dmp purplefox_rootkit behavioral2/memory/5080-10-0x0000000010000000-0x00000000101B6000-memory.dmp purplefox_rootkit behavioral2/memory/5080-6-0x0000000010000000-0x00000000101B6000-memory.dmp purplefox_rootkit behavioral2/memory/748-15-0x0000000010000000-0x00000000101B6000-memory.dmp purplefox_rootkit behavioral2/memory/748-16-0x0000000010000000-0x00000000101B6000-memory.dmp purplefox_rootkit behavioral2/memory/748-17-0x0000000010000000-0x00000000101B6000-memory.dmp purplefox_rootkit behavioral2/memory/4480-25-0x0000000010000000-0x00000000101B6000-memory.dmp purplefox_rootkit behavioral2/memory/748-24-0x0000000010000000-0x00000000101B6000-memory.dmp purplefox_rootkit behavioral2/memory/4480-41-0x0000000010000000-0x00000000101B6000-memory.dmp purplefox_rootkit behavioral2/memory/4480-73-0x0000000010000000-0x00000000101B6000-memory.dmp purplefox_rootkit behavioral2/memory/4480-72-0x0000000010000000-0x00000000101B6000-memory.dmp purplefox_rootkit -
Gh0st RAT payload 11 IoCs
resource yara_rule behavioral2/memory/5080-7-0x0000000010000000-0x00000000101B6000-memory.dmp family_gh0strat behavioral2/memory/5080-10-0x0000000010000000-0x00000000101B6000-memory.dmp family_gh0strat behavioral2/memory/5080-6-0x0000000010000000-0x00000000101B6000-memory.dmp family_gh0strat behavioral2/memory/748-15-0x0000000010000000-0x00000000101B6000-memory.dmp family_gh0strat behavioral2/memory/748-16-0x0000000010000000-0x00000000101B6000-memory.dmp family_gh0strat behavioral2/memory/748-17-0x0000000010000000-0x00000000101B6000-memory.dmp family_gh0strat behavioral2/memory/4480-25-0x0000000010000000-0x00000000101B6000-memory.dmp family_gh0strat behavioral2/memory/748-24-0x0000000010000000-0x00000000101B6000-memory.dmp family_gh0strat behavioral2/memory/4480-41-0x0000000010000000-0x00000000101B6000-memory.dmp family_gh0strat behavioral2/memory/4480-73-0x0000000010000000-0x00000000101B6000-memory.dmp family_gh0strat behavioral2/memory/4480-72-0x0000000010000000-0x00000000101B6000-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 5080 RVN.exe 748 TXPlatforn.exe 4480 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/5080-4-0x0000000010000000-0x00000000101B6000-memory.dmp upx behavioral2/memory/5080-7-0x0000000010000000-0x00000000101B6000-memory.dmp upx behavioral2/memory/5080-10-0x0000000010000000-0x00000000101B6000-memory.dmp upx behavioral2/memory/5080-6-0x0000000010000000-0x00000000101B6000-memory.dmp upx behavioral2/memory/748-13-0x0000000010000000-0x00000000101B6000-memory.dmp upx behavioral2/memory/748-15-0x0000000010000000-0x00000000101B6000-memory.dmp upx behavioral2/memory/748-16-0x0000000010000000-0x00000000101B6000-memory.dmp upx behavioral2/memory/748-17-0x0000000010000000-0x00000000101B6000-memory.dmp upx behavioral2/memory/4480-25-0x0000000010000000-0x00000000101B6000-memory.dmp upx behavioral2/memory/748-24-0x0000000010000000-0x00000000101B6000-memory.dmp upx behavioral2/memory/4480-41-0x0000000010000000-0x00000000101B6000-memory.dmp upx behavioral2/memory/4480-73-0x0000000010000000-0x00000000101B6000-memory.dmp upx behavioral2/memory/4480-72-0x0000000010000000-0x00000000101B6000-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 04be5404f7db36f8743ae0e3381ae0388764da4376aaa57015f217f7027feca2.exe File created C:\Program Files (x86)\Google\Chrome\Application\chrome.exe 04be5404f7db36f8743ae0e3381ae0388764da4376aaa57015f217f7027feca2.exe File opened for modification C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe 04be5404f7db36f8743ae0e3381ae0388764da4376aaa57015f217f7027feca2.exe File opened for modification C:\Program Files\VideoLAN\VLC\vlc.exe 04be5404f7db36f8743ae0e3381ae0388764da4376aaa57015f217f7027feca2.exe File opened for modification C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroRd32.exe 04be5404f7db36f8743ae0e3381ae0388764da4376aaa57015f217f7027feca2.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 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 Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language 04be5404f7db36f8743ae0e3381ae0388764da4376aaa57015f217f7027feca2.exe -
System Network Configuration Discovery: Internet Connection Discovery 1 TTPs 2 IoCs
Adversaries may check for Internet connectivity on compromised systems.
pid Process 1452 PING.EXE 4044 cmd.exe -
Runs ping.exe 1 TTPs 1 IoCs
pid Process 1452 PING.EXE -
Suspicious behavior: LoadsDriver 1 IoCs
pid Process 4480 TXPlatforn.exe -
Suspicious use of AdjustPrivilegeToken 6 IoCs
description pid Process Token: SeIncBasePriorityPrivilege 5080 RVN.exe Token: SeLoadDriverPrivilege 4480 TXPlatforn.exe Token: 33 4480 TXPlatforn.exe Token: SeIncBasePriorityPrivilege 4480 TXPlatforn.exe Token: 33 4480 TXPlatforn.exe Token: SeIncBasePriorityPrivilege 4480 TXPlatforn.exe -
Suspicious use of SetWindowsHookEx 2 IoCs
pid Process 2948 04be5404f7db36f8743ae0e3381ae0388764da4376aaa57015f217f7027feca2.exe 2948 04be5404f7db36f8743ae0e3381ae0388764da4376aaa57015f217f7027feca2.exe -
Suspicious use of WriteProcessMemory 12 IoCs
description pid Process procid_target PID 2948 wrote to memory of 5080 2948 04be5404f7db36f8743ae0e3381ae0388764da4376aaa57015f217f7027feca2.exe 83 PID 2948 wrote to memory of 5080 2948 04be5404f7db36f8743ae0e3381ae0388764da4376aaa57015f217f7027feca2.exe 83 PID 2948 wrote to memory of 5080 2948 04be5404f7db36f8743ae0e3381ae0388764da4376aaa57015f217f7027feca2.exe 83 PID 5080 wrote to memory of 4044 5080 RVN.exe 85 PID 5080 wrote to memory of 4044 5080 RVN.exe 85 PID 5080 wrote to memory of 4044 5080 RVN.exe 85 PID 748 wrote to memory of 4480 748 TXPlatforn.exe 86 PID 748 wrote to memory of 4480 748 TXPlatforn.exe 86 PID 748 wrote to memory of 4480 748 TXPlatforn.exe 86 PID 4044 wrote to memory of 1452 4044 cmd.exe 88 PID 4044 wrote to memory of 1452 4044 cmd.exe 88 PID 4044 wrote to memory of 1452 4044 cmd.exe 88
Processes
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C:\Users\Admin\AppData\Local\Temp\04be5404f7db36f8743ae0e3381ae0388764da4376aaa57015f217f7027feca2.exe"C:\Users\Admin\AppData\Local\Temp\04be5404f7db36f8743ae0e3381ae0388764da4376aaa57015f217f7027feca2.exe"1⤵
- Drops file in Program Files directory
- System Location Discovery: System Language Discovery
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:2948 -
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:5080 -
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:4044 -
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:1452
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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:748 -
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:4480
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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
1.4MB
MD5923426154dc508aa63647ad3965a69ef
SHA15600e1889d89d136c36b15f2d8c4d63f57efa878
SHA25604be5404f7db36f8743ae0e3381ae0388764da4376aaa57015f217f7027feca2
SHA5120894b03ee163b1c1f071a808ce7dea3ceb4f65d5f047cb6bb5e338f37be945f2afde6e098b46db37d7d842718c4533835d3d0ba8fbf3a2d5f4a4c0fae91534a2
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Filesize
377KB
MD580ade1893dec9cab7f2e63538a464fcc
SHA1c06614da33a65eddb506db00a124a3fc3f5be02e
SHA25657a920389c044e3f5cf93dabff67070b4511e79779b6f874e08f92d8b0d7afbd
SHA512fffd4f3fccb5301b3c7a5b3bd92747f31549fbd9d0803fe5d502d1bb0ef979140988718c2ee1406ed3e755790d275185e120a56cbcb5ed2eadf62b5cdbfc4cc4