Analysis
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max time kernel
150s -
max time network
144s -
platform
windows10-2004_x64 -
resource
win10v2004-20241007-en -
resource tags
arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system -
submitted
23-12-2024 12:45
Static task
static1
Behavioral task
behavioral1
Sample
9eaeeb77e496d0fc63c77cf4c60b59614d73482101698e270061d533b9173cc6.exe
Resource
win7-20240903-en
General
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Target
9eaeeb77e496d0fc63c77cf4c60b59614d73482101698e270061d533b9173cc6.exe
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Size
1.5MB
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MD5
ff99e7c388178ef48c42b3b303112070
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SHA1
07a3b3d29fd1d1844b1658eb449e846f959a8c6d
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SHA256
9eaeeb77e496d0fc63c77cf4c60b59614d73482101698e270061d533b9173cc6
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SHA512
3aa166b10d91623c7e002f59c147932e3f0bed20dc94e83753086893d19dcca689c1667e41ebc8acbf5e711944ba23e6faba6a6d86e66eaddc28a3d5df1e9657
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SSDEEP
24576:N09tv9/7JtDElDEExIko2H2HESq2eWJ6MQjySjy+bAzn:N09XJt4HIN2H2tFvduyS4n
Malware Config
Signatures
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resource yara_rule behavioral2/memory/2152-6-0x0000000010000000-0x00000000101B6000-memory.dmp purplefox_rootkit behavioral2/memory/2152-10-0x0000000010000000-0x00000000101B6000-memory.dmp purplefox_rootkit behavioral2/memory/2152-7-0x0000000010000000-0x00000000101B6000-memory.dmp purplefox_rootkit behavioral2/memory/5044-16-0x0000000010000000-0x00000000101B6000-memory.dmp purplefox_rootkit behavioral2/memory/5044-18-0x0000000010000000-0x00000000101B6000-memory.dmp purplefox_rootkit behavioral2/memory/3556-26-0x0000000010000000-0x00000000101B6000-memory.dmp purplefox_rootkit behavioral2/memory/3556-25-0x0000000010000000-0x00000000101B6000-memory.dmp purplefox_rootkit behavioral2/memory/5044-24-0x0000000010000000-0x00000000101B6000-memory.dmp purplefox_rootkit behavioral2/memory/3556-61-0x0000000010000000-0x00000000101B6000-memory.dmp purplefox_rootkit behavioral2/memory/5044-15-0x0000000010000000-0x00000000101B6000-memory.dmp purplefox_rootkit behavioral2/memory/3556-73-0x0000000010000000-0x00000000101B6000-memory.dmp purplefox_rootkit -
Gh0st RAT payload 11 IoCs
resource yara_rule behavioral2/memory/2152-6-0x0000000010000000-0x00000000101B6000-memory.dmp family_gh0strat behavioral2/memory/2152-10-0x0000000010000000-0x00000000101B6000-memory.dmp family_gh0strat behavioral2/memory/2152-7-0x0000000010000000-0x00000000101B6000-memory.dmp family_gh0strat behavioral2/memory/5044-16-0x0000000010000000-0x00000000101B6000-memory.dmp family_gh0strat behavioral2/memory/5044-18-0x0000000010000000-0x00000000101B6000-memory.dmp family_gh0strat behavioral2/memory/3556-26-0x0000000010000000-0x00000000101B6000-memory.dmp family_gh0strat behavioral2/memory/3556-25-0x0000000010000000-0x00000000101B6000-memory.dmp family_gh0strat behavioral2/memory/5044-24-0x0000000010000000-0x00000000101B6000-memory.dmp family_gh0strat behavioral2/memory/3556-61-0x0000000010000000-0x00000000101B6000-memory.dmp family_gh0strat behavioral2/memory/5044-15-0x0000000010000000-0x00000000101B6000-memory.dmp family_gh0strat behavioral2/memory/3556-73-0x0000000010000000-0x00000000101B6000-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 2152 RVN.exe 5044 TXPlatforn.exe 3556 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/2152-5-0x0000000010000000-0x00000000101B6000-memory.dmp upx behavioral2/memory/2152-6-0x0000000010000000-0x00000000101B6000-memory.dmp upx behavioral2/memory/2152-10-0x0000000010000000-0x00000000101B6000-memory.dmp upx behavioral2/memory/2152-7-0x0000000010000000-0x00000000101B6000-memory.dmp upx behavioral2/memory/5044-13-0x0000000010000000-0x00000000101B6000-memory.dmp upx behavioral2/memory/5044-16-0x0000000010000000-0x00000000101B6000-memory.dmp upx behavioral2/memory/5044-18-0x0000000010000000-0x00000000101B6000-memory.dmp upx behavioral2/memory/3556-26-0x0000000010000000-0x00000000101B6000-memory.dmp upx behavioral2/memory/3556-25-0x0000000010000000-0x00000000101B6000-memory.dmp upx behavioral2/memory/5044-24-0x0000000010000000-0x00000000101B6000-memory.dmp upx behavioral2/memory/3556-61-0x0000000010000000-0x00000000101B6000-memory.dmp upx behavioral2/memory/5044-15-0x0000000010000000-0x00000000101B6000-memory.dmp upx behavioral2/memory/3556-73-0x0000000010000000-0x00000000101B6000-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 9eaeeb77e496d0fc63c77cf4c60b59614d73482101698e270061d533b9173cc6.exe File opened for modification C:\Program Files\Mozilla Firefox\firefox.exe 9eaeeb77e496d0fc63c77cf4c60b59614d73482101698e270061d533b9173cc6.exe File created C:\Program Files (x86)\Google\Chrome\Application\chrome.exe 9eaeeb77e496d0fc63c77cf4c60b59614d73482101698e270061d533b9173cc6.exe File opened for modification C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe 9eaeeb77e496d0fc63c77cf4c60b59614d73482101698e270061d533b9173cc6.exe File opened for modification C:\Program Files\VideoLAN\VLC\vlc.exe 9eaeeb77e496d0fc63c77cf4c60b59614d73482101698e270061d533b9173cc6.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 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 9eaeeb77e496d0fc63c77cf4c60b59614d73482101698e270061d533b9173cc6.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language RVN.exe -
System Network Configuration Discovery: Internet Connection Discovery 1 TTPs 2 IoCs
Adversaries may check for Internet connectivity on compromised systems.
pid Process 1632 cmd.exe 4860 PING.EXE -
Runs ping.exe 1 TTPs 1 IoCs
pid Process 4860 PING.EXE -
Suspicious behavior: LoadsDriver 1 IoCs
pid Process 3556 TXPlatforn.exe -
Suspicious use of AdjustPrivilegeToken 6 IoCs
description pid Process Token: SeIncBasePriorityPrivilege 2152 RVN.exe Token: SeLoadDriverPrivilege 3556 TXPlatforn.exe Token: 33 3556 TXPlatforn.exe Token: SeIncBasePriorityPrivilege 3556 TXPlatforn.exe Token: 33 3556 TXPlatforn.exe Token: SeIncBasePriorityPrivilege 3556 TXPlatforn.exe -
Suspicious use of SetWindowsHookEx 2 IoCs
pid Process 4032 9eaeeb77e496d0fc63c77cf4c60b59614d73482101698e270061d533b9173cc6.exe 4032 9eaeeb77e496d0fc63c77cf4c60b59614d73482101698e270061d533b9173cc6.exe -
Suspicious use of WriteProcessMemory 12 IoCs
description pid Process procid_target PID 4032 wrote to memory of 2152 4032 9eaeeb77e496d0fc63c77cf4c60b59614d73482101698e270061d533b9173cc6.exe 85 PID 4032 wrote to memory of 2152 4032 9eaeeb77e496d0fc63c77cf4c60b59614d73482101698e270061d533b9173cc6.exe 85 PID 4032 wrote to memory of 2152 4032 9eaeeb77e496d0fc63c77cf4c60b59614d73482101698e270061d533b9173cc6.exe 85 PID 2152 wrote to memory of 1632 2152 RVN.exe 87 PID 2152 wrote to memory of 1632 2152 RVN.exe 87 PID 2152 wrote to memory of 1632 2152 RVN.exe 87 PID 5044 wrote to memory of 3556 5044 TXPlatforn.exe 88 PID 5044 wrote to memory of 3556 5044 TXPlatforn.exe 88 PID 5044 wrote to memory of 3556 5044 TXPlatforn.exe 88 PID 1632 wrote to memory of 4860 1632 cmd.exe 90 PID 1632 wrote to memory of 4860 1632 cmd.exe 90 PID 1632 wrote to memory of 4860 1632 cmd.exe 90
Processes
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C:\Users\Admin\AppData\Local\Temp\9eaeeb77e496d0fc63c77cf4c60b59614d73482101698e270061d533b9173cc6.exe"C:\Users\Admin\AppData\Local\Temp\9eaeeb77e496d0fc63c77cf4c60b59614d73482101698e270061d533b9173cc6.exe"1⤵
- Drops file in Program Files directory
- System Location Discovery: System Language Discovery
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:4032 -
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:2152 -
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:1632 -
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:4860
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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:5044 -
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:3556
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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