Analysis
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max time kernel
150s -
max time network
140s -
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 05:40
Static task
static1
Behavioral task
behavioral1
Sample
d8503cab116c0a1c57b7c654f9ff678a8417117605815a64cd1c238047da04af.exe
Resource
win7-20241010-en
General
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Target
d8503cab116c0a1c57b7c654f9ff678a8417117605815a64cd1c238047da04af.exe
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Size
1.2MB
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MD5
7719c59fa5a3ddb7a8e5e467d2949fc9
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SHA1
e8aa94a71d80a2d311c18429b2cdb26ea715d683
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SHA256
d8503cab116c0a1c57b7c654f9ff678a8417117605815a64cd1c238047da04af
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SHA512
b8c8dce1099d2577e7601c0071c2f6589c51b7eeabc140d12eb5a3d95bb70e0fc55d6d653bdecf72ddfbd1152a24e283b11a02a5ffa37aa413f06fff7e5f271e
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SSDEEP
24576:n09tv9/7JtDElDEExIko2H2HESq2eWJ6MQjySjy+ZBm3X3v5:n09XJt4HIN2H2tFvduySHBmH3h
Malware Config
Signatures
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resource yara_rule behavioral2/memory/460-6-0x0000000010000000-0x00000000101B6000-memory.dmp purplefox_rootkit behavioral2/memory/460-10-0x0000000010000000-0x00000000101B6000-memory.dmp purplefox_rootkit behavioral2/memory/460-7-0x0000000010000000-0x00000000101B6000-memory.dmp purplefox_rootkit behavioral2/memory/2276-15-0x0000000010000000-0x00000000101B6000-memory.dmp purplefox_rootkit behavioral2/memory/2276-16-0x0000000010000000-0x00000000101B6000-memory.dmp purplefox_rootkit behavioral2/memory/2276-17-0x0000000010000000-0x00000000101B6000-memory.dmp purplefox_rootkit behavioral2/memory/2276-21-0x0000000010000000-0x00000000101B6000-memory.dmp purplefox_rootkit behavioral2/memory/4980-25-0x0000000010000000-0x00000000101B6000-memory.dmp purplefox_rootkit behavioral2/memory/4980-26-0x0000000010000000-0x00000000101B6000-memory.dmp purplefox_rootkit behavioral2/memory/4980-29-0x0000000010000000-0x00000000101B6000-memory.dmp purplefox_rootkit behavioral2/memory/4980-56-0x0000000010000000-0x00000000101B6000-memory.dmp purplefox_rootkit -
Gh0st RAT payload 11 IoCs
resource yara_rule behavioral2/memory/460-6-0x0000000010000000-0x00000000101B6000-memory.dmp family_gh0strat behavioral2/memory/460-10-0x0000000010000000-0x00000000101B6000-memory.dmp family_gh0strat behavioral2/memory/460-7-0x0000000010000000-0x00000000101B6000-memory.dmp family_gh0strat behavioral2/memory/2276-15-0x0000000010000000-0x00000000101B6000-memory.dmp family_gh0strat behavioral2/memory/2276-16-0x0000000010000000-0x00000000101B6000-memory.dmp family_gh0strat behavioral2/memory/2276-17-0x0000000010000000-0x00000000101B6000-memory.dmp family_gh0strat behavioral2/memory/2276-21-0x0000000010000000-0x00000000101B6000-memory.dmp family_gh0strat behavioral2/memory/4980-25-0x0000000010000000-0x00000000101B6000-memory.dmp family_gh0strat behavioral2/memory/4980-26-0x0000000010000000-0x00000000101B6000-memory.dmp family_gh0strat behavioral2/memory/4980-29-0x0000000010000000-0x00000000101B6000-memory.dmp family_gh0strat behavioral2/memory/4980-56-0x0000000010000000-0x00000000101B6000-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 460 RVN.exe 2276 TXPlatforn.exe 4980 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/460-6-0x0000000010000000-0x00000000101B6000-memory.dmp upx behavioral2/memory/460-4-0x0000000010000000-0x00000000101B6000-memory.dmp upx behavioral2/memory/460-10-0x0000000010000000-0x00000000101B6000-memory.dmp upx behavioral2/memory/460-7-0x0000000010000000-0x00000000101B6000-memory.dmp upx behavioral2/memory/2276-15-0x0000000010000000-0x00000000101B6000-memory.dmp upx behavioral2/memory/2276-16-0x0000000010000000-0x00000000101B6000-memory.dmp upx behavioral2/memory/2276-17-0x0000000010000000-0x00000000101B6000-memory.dmp upx behavioral2/memory/2276-21-0x0000000010000000-0x00000000101B6000-memory.dmp upx behavioral2/memory/4980-25-0x0000000010000000-0x00000000101B6000-memory.dmp upx behavioral2/memory/2276-14-0x0000000010000000-0x00000000101B6000-memory.dmp upx behavioral2/memory/4980-26-0x0000000010000000-0x00000000101B6000-memory.dmp upx behavioral2/memory/4980-29-0x0000000010000000-0x00000000101B6000-memory.dmp upx behavioral2/memory/4980-56-0x0000000010000000-0x00000000101B6000-memory.dmp upx -
Drops file in Program Files directory 5 IoCs
description ioc Process File opened for modification C:\Program Files\VideoLAN\VLC\vlc.exe d8503cab116c0a1c57b7c654f9ff678a8417117605815a64cd1c238047da04af.exe File opened for modification C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe d8503cab116c0a1c57b7c654f9ff678a8417117605815a64cd1c238047da04af.exe File opened for modification C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroRd32.exe d8503cab116c0a1c57b7c654f9ff678a8417117605815a64cd1c238047da04af.exe File opened for modification C:\Program Files\Mozilla Firefox\firefox.exe d8503cab116c0a1c57b7c654f9ff678a8417117605815a64cd1c238047da04af.exe File created C:\Program Files (x86)\Google\Chrome\Application\chrome.exe d8503cab116c0a1c57b7c654f9ff678a8417117605815a64cd1c238047da04af.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 cmd.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language PING.EXE Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language d8503cab116c0a1c57b7c654f9ff678a8417117605815a64cd1c238047da04af.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 1028 cmd.exe 2316 PING.EXE -
Runs ping.exe 1 TTPs 1 IoCs
pid Process 2316 PING.EXE -
Suspicious behavior: LoadsDriver 1 IoCs
pid Process 4980 TXPlatforn.exe -
Suspicious use of AdjustPrivilegeToken 6 IoCs
description pid Process Token: SeIncBasePriorityPrivilege 460 RVN.exe Token: SeLoadDriverPrivilege 4980 TXPlatforn.exe Token: 33 4980 TXPlatforn.exe Token: SeIncBasePriorityPrivilege 4980 TXPlatforn.exe Token: 33 4980 TXPlatforn.exe Token: SeIncBasePriorityPrivilege 4980 TXPlatforn.exe -
Suspicious use of SetWindowsHookEx 2 IoCs
pid Process 544 d8503cab116c0a1c57b7c654f9ff678a8417117605815a64cd1c238047da04af.exe 544 d8503cab116c0a1c57b7c654f9ff678a8417117605815a64cd1c238047da04af.exe -
Suspicious use of WriteProcessMemory 12 IoCs
description pid Process procid_target PID 544 wrote to memory of 460 544 d8503cab116c0a1c57b7c654f9ff678a8417117605815a64cd1c238047da04af.exe 83 PID 544 wrote to memory of 460 544 d8503cab116c0a1c57b7c654f9ff678a8417117605815a64cd1c238047da04af.exe 83 PID 544 wrote to memory of 460 544 d8503cab116c0a1c57b7c654f9ff678a8417117605815a64cd1c238047da04af.exe 83 PID 460 wrote to memory of 1028 460 RVN.exe 85 PID 460 wrote to memory of 1028 460 RVN.exe 85 PID 460 wrote to memory of 1028 460 RVN.exe 85 PID 2276 wrote to memory of 4980 2276 TXPlatforn.exe 86 PID 2276 wrote to memory of 4980 2276 TXPlatforn.exe 86 PID 2276 wrote to memory of 4980 2276 TXPlatforn.exe 86 PID 1028 wrote to memory of 2316 1028 cmd.exe 88 PID 1028 wrote to memory of 2316 1028 cmd.exe 88 PID 1028 wrote to memory of 2316 1028 cmd.exe 88
Processes
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C:\Users\Admin\AppData\Local\Temp\d8503cab116c0a1c57b7c654f9ff678a8417117605815a64cd1c238047da04af.exe"C:\Users\Admin\AppData\Local\Temp\d8503cab116c0a1c57b7c654f9ff678a8417117605815a64cd1c238047da04af.exe"1⤵
- Drops file in Program Files directory
- System Location Discovery: System Language Discovery
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:544 -
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:460 -
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:1028 -
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:2316
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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:2276 -
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:4980
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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
1.2MB
MD57719c59fa5a3ddb7a8e5e467d2949fc9
SHA1e8aa94a71d80a2d311c18429b2cdb26ea715d683
SHA256d8503cab116c0a1c57b7c654f9ff678a8417117605815a64cd1c238047da04af
SHA512b8c8dce1099d2577e7601c0071c2f6589c51b7eeabc140d12eb5a3d95bb70e0fc55d6d653bdecf72ddfbd1152a24e283b11a02a5ffa37aa413f06fff7e5f271e
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Filesize
377KB
MD580ade1893dec9cab7f2e63538a464fcc
SHA1c06614da33a65eddb506db00a124a3fc3f5be02e
SHA25657a920389c044e3f5cf93dabff67070b4511e79779b6f874e08f92d8b0d7afbd
SHA512fffd4f3fccb5301b3c7a5b3bd92747f31549fbd9d0803fe5d502d1bb0ef979140988718c2ee1406ed3e755790d275185e120a56cbcb5ed2eadf62b5cdbfc4cc4