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
20-11-2024 09:01
Static task
static1
Behavioral task
behavioral1
Sample
a51f59349f919ef2d6ca831f824147248d1665cc253a82060795256906718a2f.exe
Resource
win7-20241010-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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Processes:
resource yara_rule behavioral2/memory/3096-6-0x0000000010000000-0x00000000101B6000-memory.dmp purplefox_rootkit behavioral2/memory/3096-10-0x0000000010000000-0x00000000101B6000-memory.dmp purplefox_rootkit behavioral2/memory/3096-7-0x0000000010000000-0x00000000101B6000-memory.dmp purplefox_rootkit behavioral2/memory/2532-15-0x0000000010000000-0x00000000101B6000-memory.dmp purplefox_rootkit behavioral2/memory/2532-17-0x0000000010000000-0x00000000101B6000-memory.dmp purplefox_rootkit behavioral2/memory/2532-16-0x0000000010000000-0x00000000101B6000-memory.dmp purplefox_rootkit behavioral2/memory/3084-25-0x0000000010000000-0x00000000101B6000-memory.dmp purplefox_rootkit behavioral2/memory/2532-24-0x0000000010000000-0x00000000101B6000-memory.dmp purplefox_rootkit behavioral2/memory/3084-26-0x0000000010000000-0x00000000101B6000-memory.dmp purplefox_rootkit behavioral2/memory/3084-44-0x0000000010000000-0x00000000101B6000-memory.dmp purplefox_rootkit behavioral2/memory/3084-52-0x0000000010000000-0x00000000101B6000-memory.dmp purplefox_rootkit -
Gh0st RAT payload 11 IoCs
Processes:
resource yara_rule behavioral2/memory/3096-6-0x0000000010000000-0x00000000101B6000-memory.dmp family_gh0strat behavioral2/memory/3096-10-0x0000000010000000-0x00000000101B6000-memory.dmp family_gh0strat behavioral2/memory/3096-7-0x0000000010000000-0x00000000101B6000-memory.dmp family_gh0strat behavioral2/memory/2532-15-0x0000000010000000-0x00000000101B6000-memory.dmp family_gh0strat behavioral2/memory/2532-17-0x0000000010000000-0x00000000101B6000-memory.dmp family_gh0strat behavioral2/memory/2532-16-0x0000000010000000-0x00000000101B6000-memory.dmp family_gh0strat behavioral2/memory/3084-25-0x0000000010000000-0x00000000101B6000-memory.dmp family_gh0strat behavioral2/memory/2532-24-0x0000000010000000-0x00000000101B6000-memory.dmp family_gh0strat behavioral2/memory/3084-26-0x0000000010000000-0x00000000101B6000-memory.dmp family_gh0strat behavioral2/memory/3084-44-0x0000000010000000-0x00000000101B6000-memory.dmp family_gh0strat behavioral2/memory/3084-52-0x0000000010000000-0x00000000101B6000-memory.dmp family_gh0strat -
Gh0strat family
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Purplefox family
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Drops file in Drivers directory 1 IoCs
Processes:
TXPlatforn.exedescription ioc process File created C:\Windows\system32\drivers\QAssist.sys TXPlatforn.exe -
Sets service image path in registry 2 TTPs 1 IoCs
Processes:
TXPlatforn.exedescription ioc process Set value (str) \REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\QAssist\ImagePath = "system32\\DRIVERS\\QAssist.sys" TXPlatforn.exe -
Executes dropped EXE 3 IoCs
Processes:
RVN.exeTXPlatforn.exeTXPlatforn.exepid process 3096 RVN.exe 2532 TXPlatforn.exe 3084 TXPlatforn.exe -
Drops file in System32 directory 2 IoCs
Processes:
RVN.exedescription ioc process File created C:\Windows\SysWOW64\TXPlatforn.exe RVN.exe File opened for modification C:\Windows\SysWOW64\TXPlatforn.exe RVN.exe -
Processes:
resource yara_rule behavioral2/memory/3096-4-0x0000000010000000-0x00000000101B6000-memory.dmp upx behavioral2/memory/3096-6-0x0000000010000000-0x00000000101B6000-memory.dmp upx behavioral2/memory/3096-10-0x0000000010000000-0x00000000101B6000-memory.dmp upx behavioral2/memory/3096-7-0x0000000010000000-0x00000000101B6000-memory.dmp upx behavioral2/memory/2532-15-0x0000000010000000-0x00000000101B6000-memory.dmp upx behavioral2/memory/2532-17-0x0000000010000000-0x00000000101B6000-memory.dmp upx behavioral2/memory/2532-14-0x0000000010000000-0x00000000101B6000-memory.dmp upx behavioral2/memory/2532-16-0x0000000010000000-0x00000000101B6000-memory.dmp upx behavioral2/memory/3084-25-0x0000000010000000-0x00000000101B6000-memory.dmp upx behavioral2/memory/2532-24-0x0000000010000000-0x00000000101B6000-memory.dmp upx behavioral2/memory/3084-26-0x0000000010000000-0x00000000101B6000-memory.dmp upx behavioral2/memory/3084-44-0x0000000010000000-0x00000000101B6000-memory.dmp upx behavioral2/memory/3084-52-0x0000000010000000-0x00000000101B6000-memory.dmp upx -
Drops file in Program Files directory 5 IoCs
Processes:
a51f59349f919ef2d6ca831f824147248d1665cc253a82060795256906718a2f.exedescription ioc process File opened for modification C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe a51f59349f919ef2d6ca831f824147248d1665cc253a82060795256906718a2f.exe 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\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.
Processes:
RVN.exeTXPlatforn.execmd.exePING.EXEa51f59349f919ef2d6ca831f824147248d1665cc253a82060795256906718a2f.exedescription 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 a51f59349f919ef2d6ca831f824147248d1665cc253a82060795256906718a2f.exe -
System Network Configuration Discovery: Internet Connection Discovery 1 TTPs 2 IoCs
Adversaries may check for Internet connectivity on compromised systems.
Processes:
cmd.exePING.EXEpid process 4856 cmd.exe 232 PING.EXE -
Runs ping.exe 1 TTPs 1 IoCs
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Suspicious behavior: LoadsDriver 1 IoCs
Processes:
TXPlatforn.exepid process 3084 TXPlatforn.exe -
Suspicious use of AdjustPrivilegeToken 6 IoCs
Processes:
RVN.exeTXPlatforn.exedescription pid process Token: SeIncBasePriorityPrivilege 3096 RVN.exe Token: SeLoadDriverPrivilege 3084 TXPlatforn.exe Token: 33 3084 TXPlatforn.exe Token: SeIncBasePriorityPrivilege 3084 TXPlatforn.exe Token: 33 3084 TXPlatforn.exe Token: SeIncBasePriorityPrivilege 3084 TXPlatforn.exe -
Suspicious use of SetWindowsHookEx 2 IoCs
Processes:
a51f59349f919ef2d6ca831f824147248d1665cc253a82060795256906718a2f.exepid process 4796 a51f59349f919ef2d6ca831f824147248d1665cc253a82060795256906718a2f.exe 4796 a51f59349f919ef2d6ca831f824147248d1665cc253a82060795256906718a2f.exe -
Suspicious use of WriteProcessMemory 12 IoCs
Processes:
a51f59349f919ef2d6ca831f824147248d1665cc253a82060795256906718a2f.exeRVN.exeTXPlatforn.execmd.exedescription pid process target process PID 4796 wrote to memory of 3096 4796 a51f59349f919ef2d6ca831f824147248d1665cc253a82060795256906718a2f.exe RVN.exe PID 4796 wrote to memory of 3096 4796 a51f59349f919ef2d6ca831f824147248d1665cc253a82060795256906718a2f.exe RVN.exe PID 4796 wrote to memory of 3096 4796 a51f59349f919ef2d6ca831f824147248d1665cc253a82060795256906718a2f.exe RVN.exe PID 3096 wrote to memory of 4856 3096 RVN.exe cmd.exe PID 3096 wrote to memory of 4856 3096 RVN.exe cmd.exe PID 3096 wrote to memory of 4856 3096 RVN.exe cmd.exe PID 2532 wrote to memory of 3084 2532 TXPlatforn.exe TXPlatforn.exe PID 2532 wrote to memory of 3084 2532 TXPlatforn.exe TXPlatforn.exe PID 2532 wrote to memory of 3084 2532 TXPlatforn.exe TXPlatforn.exe PID 4856 wrote to memory of 232 4856 cmd.exe PING.EXE PID 4856 wrote to memory of 232 4856 cmd.exe PING.EXE PID 4856 wrote to memory of 232 4856 cmd.exe PING.EXE
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:4796 -
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:3096 -
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:4856 -
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:232
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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:2532 -
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:3084
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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
MD5371053b380e904c3a807fbb9abebeb2f
SHA13fd32cba06d95c430536e4adde8a53a045241a23
SHA256a51f59349f919ef2d6ca831f824147248d1665cc253a82060795256906718a2f
SHA512f07693620400dd46f35d4d6cb5571bfa59e5fa2c256d25bed22fa57374c0b78796d27b1f06d1755c024da13e032649a27124aad7020919b787cb53daa352c407
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Filesize
377KB
MD580ade1893dec9cab7f2e63538a464fcc
SHA1c06614da33a65eddb506db00a124a3fc3f5be02e
SHA25657a920389c044e3f5cf93dabff67070b4511e79779b6f874e08f92d8b0d7afbd
SHA512fffd4f3fccb5301b3c7a5b3bd92747f31549fbd9d0803fe5d502d1bb0ef979140988718c2ee1406ed3e755790d275185e120a56cbcb5ed2eadf62b5cdbfc4cc4