Analysis
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max time kernel
150s -
max time network
151s -
platform
windows10-2004_x64 -
resource
win10v2004-20241007-en -
resource tags
arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system -
submitted
16-12-2024 05:11
Static task
static1
Behavioral task
behavioral1
Sample
98e842c4a55dc7acf1ea063fd813459ee4f67a656392540cfb7d12e362414a7c.exe
Resource
win7-20240903-en
General
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Target
98e842c4a55dc7acf1ea063fd813459ee4f67a656392540cfb7d12e362414a7c.exe
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Size
1.3MB
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MD5
386c57a4359986c9d82bee94d9db1fe6
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SHA1
6d584c365ba9946ff5061cb46283e254e65111a2
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SHA256
98e842c4a55dc7acf1ea063fd813459ee4f67a656392540cfb7d12e362414a7c
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SHA512
2f397849ecbbb0f5323f4153a573cd46ec3e4e220a0059494653fd944d048aec9d00be87508e19925f57827afe5335e617d1a160dca53abe580598e59e37c1b1
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SSDEEP
24576:N09tv9/7JtDElDEExIko2H2HESq2eWJ6MQjySjy+VGL7wJ+s:N09XJt4HIN2H2tFvduyS3X
Malware Config
Signatures
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resource yara_rule behavioral2/memory/4684-7-0x0000000010000000-0x00000000101B6000-memory.dmp purplefox_rootkit behavioral2/memory/4684-11-0x0000000010000000-0x00000000101B6000-memory.dmp purplefox_rootkit behavioral2/memory/4684-8-0x0000000010000000-0x00000000101B6000-memory.dmp purplefox_rootkit behavioral2/memory/3400-16-0x0000000010000000-0x00000000101B6000-memory.dmp purplefox_rootkit behavioral2/memory/3400-17-0x0000000010000000-0x00000000101B6000-memory.dmp purplefox_rootkit behavioral2/memory/3400-18-0x0000000010000000-0x00000000101B6000-memory.dmp purplefox_rootkit behavioral2/memory/2916-24-0x0000000010000000-0x00000000101B6000-memory.dmp purplefox_rootkit behavioral2/memory/3400-28-0x0000000010000000-0x00000000101B6000-memory.dmp purplefox_rootkit behavioral2/memory/2916-76-0x0000000010000000-0x00000000101B6000-memory.dmp purplefox_rootkit behavioral2/memory/2916-80-0x0000000010000000-0x00000000101B6000-memory.dmp purplefox_rootkit behavioral2/memory/2916-81-0x0000000010000000-0x00000000101B6000-memory.dmp purplefox_rootkit -
Gh0st RAT payload 11 IoCs
resource yara_rule behavioral2/memory/4684-7-0x0000000010000000-0x00000000101B6000-memory.dmp family_gh0strat behavioral2/memory/4684-11-0x0000000010000000-0x00000000101B6000-memory.dmp family_gh0strat behavioral2/memory/4684-8-0x0000000010000000-0x00000000101B6000-memory.dmp family_gh0strat behavioral2/memory/3400-16-0x0000000010000000-0x00000000101B6000-memory.dmp family_gh0strat behavioral2/memory/3400-17-0x0000000010000000-0x00000000101B6000-memory.dmp family_gh0strat behavioral2/memory/3400-18-0x0000000010000000-0x00000000101B6000-memory.dmp family_gh0strat behavioral2/memory/2916-24-0x0000000010000000-0x00000000101B6000-memory.dmp family_gh0strat behavioral2/memory/3400-28-0x0000000010000000-0x00000000101B6000-memory.dmp family_gh0strat behavioral2/memory/2916-76-0x0000000010000000-0x00000000101B6000-memory.dmp family_gh0strat behavioral2/memory/2916-80-0x0000000010000000-0x00000000101B6000-memory.dmp family_gh0strat behavioral2/memory/2916-81-0x0000000010000000-0x00000000101B6000-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 4 IoCs
pid Process 4684 RVN.exe 3400 TXPlatforn.exe 2916 TXPlatforn.exe 2892 HD_98e842c4a55dc7acf1ea063fd813459ee4f67a656392540cfb7d12e362414a7c.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/4684-5-0x0000000010000000-0x00000000101B6000-memory.dmp upx behavioral2/memory/4684-7-0x0000000010000000-0x00000000101B6000-memory.dmp upx behavioral2/memory/4684-11-0x0000000010000000-0x00000000101B6000-memory.dmp upx behavioral2/memory/4684-8-0x0000000010000000-0x00000000101B6000-memory.dmp upx behavioral2/memory/3400-16-0x0000000010000000-0x00000000101B6000-memory.dmp upx behavioral2/memory/3400-17-0x0000000010000000-0x00000000101B6000-memory.dmp upx behavioral2/memory/3400-18-0x0000000010000000-0x00000000101B6000-memory.dmp upx behavioral2/memory/3400-14-0x0000000010000000-0x00000000101B6000-memory.dmp upx behavioral2/memory/2916-24-0x0000000010000000-0x00000000101B6000-memory.dmp upx behavioral2/memory/3400-28-0x0000000010000000-0x00000000101B6000-memory.dmp upx behavioral2/memory/2916-76-0x0000000010000000-0x00000000101B6000-memory.dmp upx behavioral2/memory/2916-80-0x0000000010000000-0x00000000101B6000-memory.dmp upx behavioral2/memory/2916-81-0x0000000010000000-0x00000000101B6000-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 98e842c4a55dc7acf1ea063fd813459ee4f67a656392540cfb7d12e362414a7c.exe File created C:\Program Files (x86)\Google\Chrome\Application\chrome.exe 98e842c4a55dc7acf1ea063fd813459ee4f67a656392540cfb7d12e362414a7c.exe File opened for modification C:\Program Files\VideoLAN\VLC\vlc.exe 98e842c4a55dc7acf1ea063fd813459ee4f67a656392540cfb7d12e362414a7c.exe File opened for modification C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe 98e842c4a55dc7acf1ea063fd813459ee4f67a656392540cfb7d12e362414a7c.exe File opened for modification C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroRd32.exe 98e842c4a55dc7acf1ea063fd813459ee4f67a656392540cfb7d12e362414a7c.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 6 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 HD_98e842c4a55dc7acf1ea063fd813459ee4f67a656392540cfb7d12e362414a7c.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 98e842c4a55dc7acf1ea063fd813459ee4f67a656392540cfb7d12e362414a7c.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 3140 cmd.exe 1056 PING.EXE -
Runs ping.exe 1 TTPs 1 IoCs
pid Process 1056 PING.EXE -
Suspicious behavior: EnumeratesProcesses 2 IoCs
pid Process 4484 98e842c4a55dc7acf1ea063fd813459ee4f67a656392540cfb7d12e362414a7c.exe 4484 98e842c4a55dc7acf1ea063fd813459ee4f67a656392540cfb7d12e362414a7c.exe -
Suspicious behavior: LoadsDriver 1 IoCs
pid Process 2916 TXPlatforn.exe -
Suspicious use of AdjustPrivilegeToken 6 IoCs
description pid Process Token: SeIncBasePriorityPrivilege 4684 RVN.exe Token: SeLoadDriverPrivilege 2916 TXPlatforn.exe Token: 33 2916 TXPlatforn.exe Token: SeIncBasePriorityPrivilege 2916 TXPlatforn.exe Token: 33 2916 TXPlatforn.exe Token: SeIncBasePriorityPrivilege 2916 TXPlatforn.exe -
Suspicious use of SetWindowsHookEx 2 IoCs
pid Process 4484 98e842c4a55dc7acf1ea063fd813459ee4f67a656392540cfb7d12e362414a7c.exe 4484 98e842c4a55dc7acf1ea063fd813459ee4f67a656392540cfb7d12e362414a7c.exe -
Suspicious use of WriteProcessMemory 15 IoCs
description pid Process procid_target PID 4484 wrote to memory of 4684 4484 98e842c4a55dc7acf1ea063fd813459ee4f67a656392540cfb7d12e362414a7c.exe 83 PID 4484 wrote to memory of 4684 4484 98e842c4a55dc7acf1ea063fd813459ee4f67a656392540cfb7d12e362414a7c.exe 83 PID 4484 wrote to memory of 4684 4484 98e842c4a55dc7acf1ea063fd813459ee4f67a656392540cfb7d12e362414a7c.exe 83 PID 4684 wrote to memory of 3140 4684 RVN.exe 85 PID 4684 wrote to memory of 3140 4684 RVN.exe 85 PID 4684 wrote to memory of 3140 4684 RVN.exe 85 PID 3400 wrote to memory of 2916 3400 TXPlatforn.exe 86 PID 3400 wrote to memory of 2916 3400 TXPlatforn.exe 86 PID 3400 wrote to memory of 2916 3400 TXPlatforn.exe 86 PID 4484 wrote to memory of 2892 4484 98e842c4a55dc7acf1ea063fd813459ee4f67a656392540cfb7d12e362414a7c.exe 87 PID 4484 wrote to memory of 2892 4484 98e842c4a55dc7acf1ea063fd813459ee4f67a656392540cfb7d12e362414a7c.exe 87 PID 4484 wrote to memory of 2892 4484 98e842c4a55dc7acf1ea063fd813459ee4f67a656392540cfb7d12e362414a7c.exe 87 PID 3140 wrote to memory of 1056 3140 cmd.exe 89 PID 3140 wrote to memory of 1056 3140 cmd.exe 89 PID 3140 wrote to memory of 1056 3140 cmd.exe 89
Processes
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C:\Users\Admin\AppData\Local\Temp\98e842c4a55dc7acf1ea063fd813459ee4f67a656392540cfb7d12e362414a7c.exe"C:\Users\Admin\AppData\Local\Temp\98e842c4a55dc7acf1ea063fd813459ee4f67a656392540cfb7d12e362414a7c.exe"1⤵
- Drops file in Program Files directory
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:4484 -
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:4684 -
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:3140 -
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:1056
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C:\Users\Admin\AppData\Local\Temp\HD_98e842c4a55dc7acf1ea063fd813459ee4f67a656392540cfb7d12e362414a7c.exeC:\Users\Admin\AppData\Local\Temp\HD_98e842c4a55dc7acf1ea063fd813459ee4f67a656392540cfb7d12e362414a7c.exe2⤵
- Executes dropped EXE
- System Location Discovery: System Language Discovery
PID:2892
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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:3400 -
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:2916
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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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C:\Users\Admin\AppData\Local\Temp\HD_98e842c4a55dc7acf1ea063fd813459ee4f67a656392540cfb7d12e362414a7c.exe
Filesize171KB
MD5f7c38ed8024e7e186113d00cd72a0c51
SHA1e46612f4a2c114ec972ee081be2233fca976e178
SHA256eef9261d045539ae383a18cd0a6df30806745e5d7ac83ed0ac94077acca93082
SHA5124d9a6c44246a458008211167cc89078582d30d285e2b1d5e69c37dfc50f338611561da262e38af6d16eaed2e16ac02b9a0c4271afbbdeedcd237ecac97d88fa9
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Filesize
1.1MB
MD5071f0300164d1aa385ae594583aba290
SHA1cd293456a57a201c35505bf7f63889678bf7c073
SHA2569d97c8269994a7a0f98248425b019f6e89ccdef588c6fddcc94663df31241901
SHA5125d247231a804f914ff35a3fc72e94803848c4877dcc07dcdc33166a014e1cdb8af963cb10736e8a7503141ed426606c9c0b5e4bfd74a6db310914e3a67ee3288
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Filesize
377KB
MD580ade1893dec9cab7f2e63538a464fcc
SHA1c06614da33a65eddb506db00a124a3fc3f5be02e
SHA25657a920389c044e3f5cf93dabff67070b4511e79779b6f874e08f92d8b0d7afbd
SHA512fffd4f3fccb5301b3c7a5b3bd92747f31549fbd9d0803fe5d502d1bb0ef979140988718c2ee1406ed3e755790d275185e120a56cbcb5ed2eadf62b5cdbfc4cc4