Analysis
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max time kernel
150s -
max time network
136s -
platform
windows10-2004_x64 -
resource
win10v2004-20241007-en -
resource tags
arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system -
submitted
25-11-2024 08:08
Static task
static1
Behavioral task
behavioral1
Sample
4e3c0450622427629e7c28250c6bef43ea14f0355bd2daf86abbe6a467f5c2d6.exe
Resource
win7-20240708-en
General
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Target
4e3c0450622427629e7c28250c6bef43ea14f0355bd2daf86abbe6a467f5c2d6.exe
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Size
1.6MB
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MD5
eb5550d1aca7a229be144a9464982b5d
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SHA1
c8bda4ba75d8ec35a4f381d93526c4a86033a951
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SHA256
4e3c0450622427629e7c28250c6bef43ea14f0355bd2daf86abbe6a467f5c2d6
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SHA512
ca47d3cb2582dc73bc90673bb25de5afd95786c5a610dcdbb54d2a0baa36a1ea944eb4b0131cf72607f5be41d293ae9872ec64cfa3f7d5329fc104f58de29d09
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SSDEEP
24576:t09tv9/7JtDElDEExIko2H2HESq2eWJ6MQjySjy+Q+:t09XJt4HIN2H2tFvduySC+
Malware Config
Signatures
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resource yara_rule behavioral2/memory/4692-6-0x0000000010000000-0x00000000101B6000-memory.dmp purplefox_rootkit behavioral2/memory/4692-10-0x0000000010000000-0x00000000101B6000-memory.dmp purplefox_rootkit behavioral2/memory/4692-7-0x0000000010000000-0x00000000101B6000-memory.dmp purplefox_rootkit behavioral2/memory/3588-15-0x0000000010000000-0x00000000101B6000-memory.dmp purplefox_rootkit behavioral2/memory/3588-18-0x0000000010000000-0x00000000101B6000-memory.dmp purplefox_rootkit behavioral2/memory/3588-16-0x0000000010000000-0x00000000101B6000-memory.dmp purplefox_rootkit behavioral2/memory/2892-29-0x0000000010000000-0x00000000101B6000-memory.dmp purplefox_rootkit behavioral2/memory/3588-28-0x0000000010000000-0x00000000101B6000-memory.dmp purplefox_rootkit behavioral2/memory/2892-72-0x0000000010000000-0x00000000101B6000-memory.dmp purplefox_rootkit behavioral2/memory/2892-76-0x0000000010000000-0x00000000101B6000-memory.dmp purplefox_rootkit behavioral2/memory/2892-77-0x0000000010000000-0x00000000101B6000-memory.dmp purplefox_rootkit -
Gh0st RAT payload 11 IoCs
resource yara_rule behavioral2/memory/4692-6-0x0000000010000000-0x00000000101B6000-memory.dmp family_gh0strat behavioral2/memory/4692-10-0x0000000010000000-0x00000000101B6000-memory.dmp family_gh0strat behavioral2/memory/4692-7-0x0000000010000000-0x00000000101B6000-memory.dmp family_gh0strat behavioral2/memory/3588-15-0x0000000010000000-0x00000000101B6000-memory.dmp family_gh0strat behavioral2/memory/3588-18-0x0000000010000000-0x00000000101B6000-memory.dmp family_gh0strat behavioral2/memory/3588-16-0x0000000010000000-0x00000000101B6000-memory.dmp family_gh0strat behavioral2/memory/2892-29-0x0000000010000000-0x00000000101B6000-memory.dmp family_gh0strat behavioral2/memory/3588-28-0x0000000010000000-0x00000000101B6000-memory.dmp family_gh0strat behavioral2/memory/2892-72-0x0000000010000000-0x00000000101B6000-memory.dmp family_gh0strat behavioral2/memory/2892-76-0x0000000010000000-0x00000000101B6000-memory.dmp family_gh0strat behavioral2/memory/2892-77-0x0000000010000000-0x00000000101B6000-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 4692 RVN.exe 3588 TXPlatforn.exe 2892 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/4692-4-0x0000000010000000-0x00000000101B6000-memory.dmp upx behavioral2/memory/4692-6-0x0000000010000000-0x00000000101B6000-memory.dmp upx behavioral2/memory/4692-10-0x0000000010000000-0x00000000101B6000-memory.dmp upx behavioral2/memory/4692-7-0x0000000010000000-0x00000000101B6000-memory.dmp upx behavioral2/memory/3588-13-0x0000000010000000-0x00000000101B6000-memory.dmp upx behavioral2/memory/3588-15-0x0000000010000000-0x00000000101B6000-memory.dmp upx behavioral2/memory/3588-18-0x0000000010000000-0x00000000101B6000-memory.dmp upx behavioral2/memory/3588-16-0x0000000010000000-0x00000000101B6000-memory.dmp upx behavioral2/memory/2892-29-0x0000000010000000-0x00000000101B6000-memory.dmp upx behavioral2/memory/3588-28-0x0000000010000000-0x00000000101B6000-memory.dmp upx behavioral2/memory/2892-72-0x0000000010000000-0x00000000101B6000-memory.dmp upx behavioral2/memory/2892-76-0x0000000010000000-0x00000000101B6000-memory.dmp upx behavioral2/memory/2892-77-0x0000000010000000-0x00000000101B6000-memory.dmp upx -
Drops file in Program Files directory 5 IoCs
description ioc Process File opened for modification C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroRd32.exe 4e3c0450622427629e7c28250c6bef43ea14f0355bd2daf86abbe6a467f5c2d6.exe File opened for modification C:\Program Files\Mozilla Firefox\firefox.exe 4e3c0450622427629e7c28250c6bef43ea14f0355bd2daf86abbe6a467f5c2d6.exe File created C:\Program Files (x86)\Google\Chrome\Application\chrome.exe 4e3c0450622427629e7c28250c6bef43ea14f0355bd2daf86abbe6a467f5c2d6.exe File opened for modification C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe 4e3c0450622427629e7c28250c6bef43ea14f0355bd2daf86abbe6a467f5c2d6.exe File opened for modification C:\Program Files\VideoLAN\VLC\vlc.exe 4e3c0450622427629e7c28250c6bef43ea14f0355bd2daf86abbe6a467f5c2d6.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 4e3c0450622427629e7c28250c6bef43ea14f0355bd2daf86abbe6a467f5c2d6.exe -
System Network Configuration Discovery: Internet Connection Discovery 1 TTPs 2 IoCs
Adversaries may check for Internet connectivity on compromised systems.
pid Process 4900 PING.EXE 1496 cmd.exe -
Runs ping.exe 1 TTPs 1 IoCs
pid Process 4900 PING.EXE -
Suspicious behavior: LoadsDriver 1 IoCs
pid Process 2892 TXPlatforn.exe -
Suspicious use of AdjustPrivilegeToken 6 IoCs
description pid Process Token: SeIncBasePriorityPrivilege 4692 RVN.exe Token: SeLoadDriverPrivilege 2892 TXPlatforn.exe Token: 33 2892 TXPlatforn.exe Token: SeIncBasePriorityPrivilege 2892 TXPlatforn.exe Token: 33 2892 TXPlatforn.exe Token: SeIncBasePriorityPrivilege 2892 TXPlatforn.exe -
Suspicious use of SetWindowsHookEx 2 IoCs
pid Process 1040 4e3c0450622427629e7c28250c6bef43ea14f0355bd2daf86abbe6a467f5c2d6.exe 1040 4e3c0450622427629e7c28250c6bef43ea14f0355bd2daf86abbe6a467f5c2d6.exe -
Suspicious use of WriteProcessMemory 12 IoCs
description pid Process procid_target PID 1040 wrote to memory of 4692 1040 4e3c0450622427629e7c28250c6bef43ea14f0355bd2daf86abbe6a467f5c2d6.exe 85 PID 1040 wrote to memory of 4692 1040 4e3c0450622427629e7c28250c6bef43ea14f0355bd2daf86abbe6a467f5c2d6.exe 85 PID 1040 wrote to memory of 4692 1040 4e3c0450622427629e7c28250c6bef43ea14f0355bd2daf86abbe6a467f5c2d6.exe 85 PID 4692 wrote to memory of 1496 4692 RVN.exe 87 PID 4692 wrote to memory of 1496 4692 RVN.exe 87 PID 4692 wrote to memory of 1496 4692 RVN.exe 87 PID 3588 wrote to memory of 2892 3588 TXPlatforn.exe 88 PID 3588 wrote to memory of 2892 3588 TXPlatforn.exe 88 PID 3588 wrote to memory of 2892 3588 TXPlatforn.exe 88 PID 1496 wrote to memory of 4900 1496 cmd.exe 90 PID 1496 wrote to memory of 4900 1496 cmd.exe 90 PID 1496 wrote to memory of 4900 1496 cmd.exe 90
Processes
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C:\Users\Admin\AppData\Local\Temp\4e3c0450622427629e7c28250c6bef43ea14f0355bd2daf86abbe6a467f5c2d6.exe"C:\Users\Admin\AppData\Local\Temp\4e3c0450622427629e7c28250c6bef43ea14f0355bd2daf86abbe6a467f5c2d6.exe"1⤵
- Drops file in Program Files directory
- System Location Discovery: System Language Discovery
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:1040 -
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:4692 -
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:1496 -
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:4900
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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:3588 -
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:2892
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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
377KB
MD580ade1893dec9cab7f2e63538a464fcc
SHA1c06614da33a65eddb506db00a124a3fc3f5be02e
SHA25657a920389c044e3f5cf93dabff67070b4511e79779b6f874e08f92d8b0d7afbd
SHA512fffd4f3fccb5301b3c7a5b3bd92747f31549fbd9d0803fe5d502d1bb0ef979140988718c2ee1406ed3e755790d275185e120a56cbcb5ed2eadf62b5cdbfc4cc4
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Filesize
2.6MB
MD5a9253db7a07d22b74d5731cc456ddacb
SHA105c6869a168f6c894766d550384980210c2218c3
SHA2567eb908a9b2dd8a8f5d61fe92de7bde5dba83f5534c0a028e0e0255c905f475a3
SHA512ee31b9b5d1ae03c845c01846d9dc7111aeb868a4fc7da55bcadd0c36a855cecb49df301ebfbfcaba6ae042c8f7ae58cc4591d68b73f9bd74cabdb3560825a73b