Analysis
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max time kernel
150s -
max time network
137s -
platform
windows10-2004_x64 -
resource
win10v2004-20241007-en -
resource tags
arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system -
submitted
20-11-2024 09:11
Static task
static1
Behavioral task
behavioral1
Sample
a51f59349f919ef2d6ca831f824147248d1665cc253a82060795256906718a2f.exe
Resource
win7-20240903-en
General
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Target
a51f59349f919ef2d6ca831f824147248d1665cc253a82060795256906718a2f.exe
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Size
1.6MB
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MD5
371053b380e904c3a807fbb9abebeb2f
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SHA1
3fd32cba06d95c430536e4adde8a53a045241a23
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SHA256
a51f59349f919ef2d6ca831f824147248d1665cc253a82060795256906718a2f
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SHA512
f07693620400dd46f35d4d6cb5571bfa59e5fa2c256d25bed22fa57374c0b78796d27b1f06d1755c024da13e032649a27124aad7020919b787cb53daa352c407
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SSDEEP
24576:+09tv9/7JtDElDEExIko2H2HESq2eWJ6MQjySjy+Rr0:+09XJt4HIN2H2tFvduySL0
Malware Config
Signatures
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resource yara_rule behavioral2/memory/2412-6-0x0000000010000000-0x00000000101B6000-memory.dmp purplefox_rootkit behavioral2/memory/2412-10-0x0000000010000000-0x00000000101B6000-memory.dmp purplefox_rootkit behavioral2/memory/2412-7-0x0000000010000000-0x00000000101B6000-memory.dmp purplefox_rootkit behavioral2/memory/1304-16-0x0000000010000000-0x00000000101B6000-memory.dmp purplefox_rootkit behavioral2/memory/1304-18-0x0000000010000000-0x00000000101B6000-memory.dmp purplefox_rootkit behavioral2/memory/1304-15-0x0000000010000000-0x00000000101B6000-memory.dmp purplefox_rootkit behavioral2/memory/1304-24-0x0000000010000000-0x00000000101B6000-memory.dmp purplefox_rootkit behavioral2/memory/1232-25-0x0000000010000000-0x00000000101B6000-memory.dmp purplefox_rootkit behavioral2/memory/1232-26-0x0000000010000000-0x00000000101B6000-memory.dmp purplefox_rootkit behavioral2/memory/1232-35-0x0000000010000000-0x00000000101B6000-memory.dmp purplefox_rootkit behavioral2/memory/1232-67-0x0000000010000000-0x00000000101B6000-memory.dmp purplefox_rootkit -
Gh0st RAT payload 11 IoCs
resource yara_rule behavioral2/memory/2412-6-0x0000000010000000-0x00000000101B6000-memory.dmp family_gh0strat behavioral2/memory/2412-10-0x0000000010000000-0x00000000101B6000-memory.dmp family_gh0strat behavioral2/memory/2412-7-0x0000000010000000-0x00000000101B6000-memory.dmp family_gh0strat behavioral2/memory/1304-16-0x0000000010000000-0x00000000101B6000-memory.dmp family_gh0strat behavioral2/memory/1304-18-0x0000000010000000-0x00000000101B6000-memory.dmp family_gh0strat behavioral2/memory/1304-15-0x0000000010000000-0x00000000101B6000-memory.dmp family_gh0strat behavioral2/memory/1304-24-0x0000000010000000-0x00000000101B6000-memory.dmp family_gh0strat behavioral2/memory/1232-25-0x0000000010000000-0x00000000101B6000-memory.dmp family_gh0strat behavioral2/memory/1232-26-0x0000000010000000-0x00000000101B6000-memory.dmp family_gh0strat behavioral2/memory/1232-35-0x0000000010000000-0x00000000101B6000-memory.dmp family_gh0strat behavioral2/memory/1232-67-0x0000000010000000-0x00000000101B6000-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 2412 RVN.exe 1304 TXPlatforn.exe 1232 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/2412-4-0x0000000010000000-0x00000000101B6000-memory.dmp upx behavioral2/memory/2412-6-0x0000000010000000-0x00000000101B6000-memory.dmp upx behavioral2/memory/2412-10-0x0000000010000000-0x00000000101B6000-memory.dmp upx behavioral2/memory/2412-7-0x0000000010000000-0x00000000101B6000-memory.dmp upx behavioral2/memory/1304-16-0x0000000010000000-0x00000000101B6000-memory.dmp upx behavioral2/memory/1304-18-0x0000000010000000-0x00000000101B6000-memory.dmp upx behavioral2/memory/1304-15-0x0000000010000000-0x00000000101B6000-memory.dmp upx behavioral2/memory/1304-24-0x0000000010000000-0x00000000101B6000-memory.dmp upx behavioral2/memory/1232-25-0x0000000010000000-0x00000000101B6000-memory.dmp upx behavioral2/memory/1232-26-0x0000000010000000-0x00000000101B6000-memory.dmp upx behavioral2/memory/1232-35-0x0000000010000000-0x00000000101B6000-memory.dmp upx behavioral2/memory/1304-14-0x0000000010000000-0x00000000101B6000-memory.dmp upx behavioral2/memory/1232-67-0x0000000010000000-0x00000000101B6000-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 a51f59349f919ef2d6ca831f824147248d1665cc253a82060795256906718a2f.exe File opened for modification C:\Program Files\Mozilla Firefox\firefox.exe a51f59349f919ef2d6ca831f824147248d1665cc253a82060795256906718a2f.exe File created C:\Program Files (x86)\Google\Chrome\Application\chrome.exe a51f59349f919ef2d6ca831f824147248d1665cc253a82060795256906718a2f.exe File opened for modification C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe a51f59349f919ef2d6ca831f824147248d1665cc253a82060795256906718a2f.exe File opened for modification C:\Program Files\VideoLAN\VLC\vlc.exe a51f59349f919ef2d6ca831f824147248d1665cc253a82060795256906718a2f.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 PING.EXE Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language a51f59349f919ef2d6ca831f824147248d1665cc253a82060795256906718a2f.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 -
System Network Configuration Discovery: Internet Connection Discovery 1 TTPs 2 IoCs
Adversaries may check for Internet connectivity on compromised systems.
pid Process 3796 PING.EXE 1812 cmd.exe -
Runs ping.exe 1 TTPs 1 IoCs
pid Process 3796 PING.EXE -
Suspicious behavior: LoadsDriver 1 IoCs
pid Process 1232 TXPlatforn.exe -
Suspicious use of AdjustPrivilegeToken 6 IoCs
description pid Process Token: SeIncBasePriorityPrivilege 2412 RVN.exe Token: SeLoadDriverPrivilege 1232 TXPlatforn.exe Token: 33 1232 TXPlatforn.exe Token: SeIncBasePriorityPrivilege 1232 TXPlatforn.exe Token: 33 1232 TXPlatforn.exe Token: SeIncBasePriorityPrivilege 1232 TXPlatforn.exe -
Suspicious use of SetWindowsHookEx 2 IoCs
pid Process 1900 a51f59349f919ef2d6ca831f824147248d1665cc253a82060795256906718a2f.exe 1900 a51f59349f919ef2d6ca831f824147248d1665cc253a82060795256906718a2f.exe -
Suspicious use of WriteProcessMemory 12 IoCs
description pid Process procid_target PID 1900 wrote to memory of 2412 1900 a51f59349f919ef2d6ca831f824147248d1665cc253a82060795256906718a2f.exe 83 PID 1900 wrote to memory of 2412 1900 a51f59349f919ef2d6ca831f824147248d1665cc253a82060795256906718a2f.exe 83 PID 1900 wrote to memory of 2412 1900 a51f59349f919ef2d6ca831f824147248d1665cc253a82060795256906718a2f.exe 83 PID 2412 wrote to memory of 1812 2412 RVN.exe 86 PID 2412 wrote to memory of 1812 2412 RVN.exe 86 PID 2412 wrote to memory of 1812 2412 RVN.exe 86 PID 1304 wrote to memory of 1232 1304 TXPlatforn.exe 88 PID 1304 wrote to memory of 1232 1304 TXPlatforn.exe 88 PID 1304 wrote to memory of 1232 1304 TXPlatforn.exe 88 PID 1812 wrote to memory of 3796 1812 cmd.exe 90 PID 1812 wrote to memory of 3796 1812 cmd.exe 90 PID 1812 wrote to memory of 3796 1812 cmd.exe 90
Processes
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C:\Users\Admin\AppData\Local\Temp\a51f59349f919ef2d6ca831f824147248d1665cc253a82060795256906718a2f.exe"C:\Users\Admin\AppData\Local\Temp\a51f59349f919ef2d6ca831f824147248d1665cc253a82060795256906718a2f.exe"1⤵
- Drops file in Program Files directory
- System Location Discovery: System Language Discovery
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:1900 -
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:2412 -
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:1812 -
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:3796
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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:1304 -
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:1232
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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
1.6MB
MD5e5ec4160db6d286c3f2861f7d8170c02
SHA1167f4a7480cfb92b5011a6edbcd7228858350f41
SHA2566acbcf1cd4a100e1e24edfb6a3c499fbc017e920c21843d0a18f7d9469ba56f7
SHA5121e3d7b799491ea9d8ed02d6f37492987eccf6bcb5e0c71122bda7356907cbf7dc5d703628d1a12e1069350b02d67453639cd9fdcd88cf030ccb766ca1f7710d7
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Filesize
377KB
MD580ade1893dec9cab7f2e63538a464fcc
SHA1c06614da33a65eddb506db00a124a3fc3f5be02e
SHA25657a920389c044e3f5cf93dabff67070b4511e79779b6f874e08f92d8b0d7afbd
SHA512fffd4f3fccb5301b3c7a5b3bd92747f31549fbd9d0803fe5d502d1bb0ef979140988718c2ee1406ed3e755790d275185e120a56cbcb5ed2eadf62b5cdbfc4cc4