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Analysis
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max time kernel
120s -
max time network
97s -
platform
windows10-2004_x64 -
resource
win10v2004-20241007-en -
resource tags
arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system -
submitted
31/12/2024, 10:32
Static task
static1
Behavioral task
behavioral1
Sample
17f75ecb769ae6632fc5c286645e5f0eb763e9ce08d4d049e167d3c80baa8c48.exe
Resource
win7-20240903-en
General
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Target
17f75ecb769ae6632fc5c286645e5f0eb763e9ce08d4d049e167d3c80baa8c48.exe
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Size
1.5MB
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MD5
c13b6e86415e66f498703324f45b1686
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SHA1
d562e2d7e5a354fff497e2e88649ff2ac6f1607d
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SHA256
17f75ecb769ae6632fc5c286645e5f0eb763e9ce08d4d049e167d3c80baa8c48
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SHA512
87c7118a621ba0634b98d779d150516a33cd7f82220ee3501111cf0d0283dc0fbab584284b2c9c73a1787ecfb911b443e446b8b86c66073ce0d19c80faed2f64
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SSDEEP
24576:N09tv9/7JtDElDEExIko2H2HESq2eWJ6MQjySjy+bAzt:N09XJt4HIN2H2tFvduyS4t
Malware Config
Signatures
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resource yara_rule behavioral2/memory/2452-6-0x0000000010000000-0x00000000101B6000-memory.dmp purplefox_rootkit behavioral2/memory/2452-10-0x0000000010000000-0x00000000101B6000-memory.dmp purplefox_rootkit behavioral2/memory/2452-7-0x0000000010000000-0x00000000101B6000-memory.dmp purplefox_rootkit behavioral2/memory/5072-17-0x0000000010000000-0x00000000101B6000-memory.dmp purplefox_rootkit behavioral2/memory/5072-16-0x0000000010000000-0x00000000101B6000-memory.dmp purplefox_rootkit behavioral2/memory/5072-15-0x0000000010000000-0x00000000101B6000-memory.dmp purplefox_rootkit behavioral2/memory/5072-24-0x0000000010000000-0x00000000101B6000-memory.dmp purplefox_rootkit behavioral2/memory/2656-25-0x0000000010000000-0x00000000101B6000-memory.dmp purplefox_rootkit behavioral2/memory/2656-26-0x0000000010000000-0x00000000101B6000-memory.dmp purplefox_rootkit behavioral2/memory/2656-30-0x0000000010000000-0x00000000101B6000-memory.dmp purplefox_rootkit behavioral2/memory/2656-57-0x0000000010000000-0x00000000101B6000-memory.dmp purplefox_rootkit -
Gh0st RAT payload 11 IoCs
resource yara_rule behavioral2/memory/2452-6-0x0000000010000000-0x00000000101B6000-memory.dmp family_gh0strat behavioral2/memory/2452-10-0x0000000010000000-0x00000000101B6000-memory.dmp family_gh0strat behavioral2/memory/2452-7-0x0000000010000000-0x00000000101B6000-memory.dmp family_gh0strat behavioral2/memory/5072-17-0x0000000010000000-0x00000000101B6000-memory.dmp family_gh0strat behavioral2/memory/5072-16-0x0000000010000000-0x00000000101B6000-memory.dmp family_gh0strat behavioral2/memory/5072-15-0x0000000010000000-0x00000000101B6000-memory.dmp family_gh0strat behavioral2/memory/5072-24-0x0000000010000000-0x00000000101B6000-memory.dmp family_gh0strat behavioral2/memory/2656-25-0x0000000010000000-0x00000000101B6000-memory.dmp family_gh0strat behavioral2/memory/2656-26-0x0000000010000000-0x00000000101B6000-memory.dmp family_gh0strat behavioral2/memory/2656-30-0x0000000010000000-0x00000000101B6000-memory.dmp family_gh0strat behavioral2/memory/2656-57-0x0000000010000000-0x00000000101B6000-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 2452 RVN.exe 5072 TXPlatforn.exe 2656 TXPlatforn.exe -
Drops file in System32 directory 2 IoCs
description ioc Process File opened for modification C:\Windows\SysWOW64\TXPlatforn.exe RVN.exe File created C:\Windows\SysWOW64\TXPlatforn.exe RVN.exe -
resource yara_rule behavioral2/memory/2452-6-0x0000000010000000-0x00000000101B6000-memory.dmp upx behavioral2/memory/2452-4-0x0000000010000000-0x00000000101B6000-memory.dmp upx behavioral2/memory/2452-10-0x0000000010000000-0x00000000101B6000-memory.dmp upx behavioral2/memory/2452-7-0x0000000010000000-0x00000000101B6000-memory.dmp upx behavioral2/memory/5072-13-0x0000000010000000-0x00000000101B6000-memory.dmp upx behavioral2/memory/5072-17-0x0000000010000000-0x00000000101B6000-memory.dmp upx behavioral2/memory/5072-16-0x0000000010000000-0x00000000101B6000-memory.dmp upx behavioral2/memory/5072-15-0x0000000010000000-0x00000000101B6000-memory.dmp upx behavioral2/memory/5072-24-0x0000000010000000-0x00000000101B6000-memory.dmp upx behavioral2/memory/2656-25-0x0000000010000000-0x00000000101B6000-memory.dmp upx behavioral2/memory/2656-26-0x0000000010000000-0x00000000101B6000-memory.dmp upx behavioral2/memory/2656-30-0x0000000010000000-0x00000000101B6000-memory.dmp upx behavioral2/memory/2656-57-0x0000000010000000-0x00000000101B6000-memory.dmp upx -
Drops file in Program Files directory 5 IoCs
description ioc Process File created C:\Program Files (x86)\Google\Chrome\Application\chrome.exe 17f75ecb769ae6632fc5c286645e5f0eb763e9ce08d4d049e167d3c80baa8c48.exe File opened for modification C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe 17f75ecb769ae6632fc5c286645e5f0eb763e9ce08d4d049e167d3c80baa8c48.exe File opened for modification C:\Program Files\VideoLAN\VLC\vlc.exe 17f75ecb769ae6632fc5c286645e5f0eb763e9ce08d4d049e167d3c80baa8c48.exe File opened for modification C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroRd32.exe 17f75ecb769ae6632fc5c286645e5f0eb763e9ce08d4d049e167d3c80baa8c48.exe File opened for modification C:\Program Files\Mozilla Firefox\firefox.exe 17f75ecb769ae6632fc5c286645e5f0eb763e9ce08d4d049e167d3c80baa8c48.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 17f75ecb769ae6632fc5c286645e5f0eb763e9ce08d4d049e167d3c80baa8c48.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 3652 cmd.exe 816 PING.EXE -
Runs ping.exe 1 TTPs 1 IoCs
pid Process 816 PING.EXE -
Suspicious behavior: LoadsDriver 1 IoCs
pid Process 2656 TXPlatforn.exe -
Suspicious use of AdjustPrivilegeToken 4 IoCs
description pid Process Token: SeIncBasePriorityPrivilege 2452 RVN.exe Token: SeLoadDriverPrivilege 2656 TXPlatforn.exe Token: 33 2656 TXPlatforn.exe Token: SeIncBasePriorityPrivilege 2656 TXPlatforn.exe -
Suspicious use of SetWindowsHookEx 2 IoCs
pid Process 3932 17f75ecb769ae6632fc5c286645e5f0eb763e9ce08d4d049e167d3c80baa8c48.exe 3932 17f75ecb769ae6632fc5c286645e5f0eb763e9ce08d4d049e167d3c80baa8c48.exe -
Suspicious use of WriteProcessMemory 12 IoCs
description pid Process procid_target PID 3932 wrote to memory of 2452 3932 17f75ecb769ae6632fc5c286645e5f0eb763e9ce08d4d049e167d3c80baa8c48.exe 83 PID 3932 wrote to memory of 2452 3932 17f75ecb769ae6632fc5c286645e5f0eb763e9ce08d4d049e167d3c80baa8c48.exe 83 PID 3932 wrote to memory of 2452 3932 17f75ecb769ae6632fc5c286645e5f0eb763e9ce08d4d049e167d3c80baa8c48.exe 83 PID 2452 wrote to memory of 3652 2452 RVN.exe 85 PID 2452 wrote to memory of 3652 2452 RVN.exe 85 PID 2452 wrote to memory of 3652 2452 RVN.exe 85 PID 5072 wrote to memory of 2656 5072 TXPlatforn.exe 86 PID 5072 wrote to memory of 2656 5072 TXPlatforn.exe 86 PID 5072 wrote to memory of 2656 5072 TXPlatforn.exe 86 PID 3652 wrote to memory of 816 3652 cmd.exe 88 PID 3652 wrote to memory of 816 3652 cmd.exe 88 PID 3652 wrote to memory of 816 3652 cmd.exe 88
Processes
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C:\Users\Admin\AppData\Local\Temp\17f75ecb769ae6632fc5c286645e5f0eb763e9ce08d4d049e167d3c80baa8c48.exe"C:\Users\Admin\AppData\Local\Temp\17f75ecb769ae6632fc5c286645e5f0eb763e9ce08d4d049e167d3c80baa8c48.exe"1⤵
- Drops file in Program Files directory
- System Location Discovery: System Language Discovery
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:3932 -
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:2452 -
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:3652 -
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:816
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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:5072 -
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:2656
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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
MD5a7b9db7f79391b20081ed2968a01f740
SHA1520ad7e23b912d563601c362cd5029a4f4c348ed
SHA256c3edb7db94e12c8869ae6f46be6b34ef0eda58095b8616ca8e11143b83102ec6
SHA5121df2b09e87b83080fab7c2b735dc1a53668e60f7f928060f69a9b3eb68417b35d8cac2c3375ee9f1cad9cd52a3453f207bb13cc2122b63a2b617c1b8f7558218
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Filesize
377KB
MD580ade1893dec9cab7f2e63538a464fcc
SHA1c06614da33a65eddb506db00a124a3fc3f5be02e
SHA25657a920389c044e3f5cf93dabff67070b4511e79779b6f874e08f92d8b0d7afbd
SHA512fffd4f3fccb5301b3c7a5b3bd92747f31549fbd9d0803fe5d502d1bb0ef979140988718c2ee1406ed3e755790d275185e120a56cbcb5ed2eadf62b5cdbfc4cc4