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
28-12-2024 15:09
Static task
static1
Behavioral task
behavioral1
Sample
0a76a0023aeef7a5a382d854d0bd87979a7c93b1bc9d617d54c230d46eaaf3f2.exe
Resource
win7-20240903-en
General
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Target
0a76a0023aeef7a5a382d854d0bd87979a7c93b1bc9d617d54c230d46eaaf3f2.exe
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Size
1.2MB
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MD5
2bd55969e2b9e19ae8143d25496886ab
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SHA1
53cff24d5159f6ac75a31cdfc1ad8a2186bd2604
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SHA256
0a76a0023aeef7a5a382d854d0bd87979a7c93b1bc9d617d54c230d46eaaf3f2
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SHA512
4591df68f4abc7954998317cde4919f66857a55786ae493e9de0c4ee70960e07e85a8e2713bea918a7706ff7ef8d33261273e66f01a67f65a45fd72de214274e
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SSDEEP
24576:I09tv9/7JtDElDEExIko2H2HESq2eWJ6MQjySjy+jwpePX:I09XJt4HIN2H2tFvduySCpeP
Malware Config
Signatures
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resource yara_rule behavioral2/memory/3984-8-0x0000000010000000-0x00000000101B6000-memory.dmp purplefox_rootkit behavioral2/memory/3984-11-0x0000000010000000-0x00000000101B6000-memory.dmp purplefox_rootkit behavioral2/memory/3984-7-0x0000000010000000-0x00000000101B6000-memory.dmp purplefox_rootkit behavioral2/memory/832-16-0x0000000010000000-0x00000000101B6000-memory.dmp purplefox_rootkit behavioral2/memory/832-19-0x0000000010000000-0x00000000101B6000-memory.dmp purplefox_rootkit behavioral2/memory/832-17-0x0000000010000000-0x00000000101B6000-memory.dmp purplefox_rootkit behavioral2/memory/832-23-0x0000000010000000-0x00000000101B6000-memory.dmp purplefox_rootkit behavioral2/memory/1632-34-0x0000000010000000-0x00000000101B6000-memory.dmp purplefox_rootkit behavioral2/memory/1632-37-0x0000000010000000-0x00000000101B6000-memory.dmp purplefox_rootkit behavioral2/memory/1632-40-0x0000000010000000-0x00000000101B6000-memory.dmp purplefox_rootkit behavioral2/memory/1632-74-0x0000000010000000-0x00000000101B6000-memory.dmp purplefox_rootkit -
Gh0st RAT payload 11 IoCs
resource yara_rule behavioral2/memory/3984-8-0x0000000010000000-0x00000000101B6000-memory.dmp family_gh0strat behavioral2/memory/3984-11-0x0000000010000000-0x00000000101B6000-memory.dmp family_gh0strat behavioral2/memory/3984-7-0x0000000010000000-0x00000000101B6000-memory.dmp family_gh0strat behavioral2/memory/832-16-0x0000000010000000-0x00000000101B6000-memory.dmp family_gh0strat behavioral2/memory/832-19-0x0000000010000000-0x00000000101B6000-memory.dmp family_gh0strat behavioral2/memory/832-17-0x0000000010000000-0x00000000101B6000-memory.dmp family_gh0strat behavioral2/memory/832-23-0x0000000010000000-0x00000000101B6000-memory.dmp family_gh0strat behavioral2/memory/1632-34-0x0000000010000000-0x00000000101B6000-memory.dmp family_gh0strat behavioral2/memory/1632-37-0x0000000010000000-0x00000000101B6000-memory.dmp family_gh0strat behavioral2/memory/1632-40-0x0000000010000000-0x00000000101B6000-memory.dmp family_gh0strat behavioral2/memory/1632-74-0x0000000010000000-0x00000000101B6000-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 3984 RVN.exe 832 TXPlatforn.exe 1632 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/3984-5-0x0000000010000000-0x00000000101B6000-memory.dmp upx behavioral2/memory/3984-8-0x0000000010000000-0x00000000101B6000-memory.dmp upx behavioral2/memory/3984-11-0x0000000010000000-0x00000000101B6000-memory.dmp upx behavioral2/memory/3984-7-0x0000000010000000-0x00000000101B6000-memory.dmp upx behavioral2/memory/832-14-0x0000000010000000-0x00000000101B6000-memory.dmp upx behavioral2/memory/832-16-0x0000000010000000-0x00000000101B6000-memory.dmp upx behavioral2/memory/832-19-0x0000000010000000-0x00000000101B6000-memory.dmp upx behavioral2/memory/832-17-0x0000000010000000-0x00000000101B6000-memory.dmp upx behavioral2/memory/832-23-0x0000000010000000-0x00000000101B6000-memory.dmp upx behavioral2/memory/1632-34-0x0000000010000000-0x00000000101B6000-memory.dmp upx behavioral2/memory/1632-37-0x0000000010000000-0x00000000101B6000-memory.dmp upx behavioral2/memory/1632-40-0x0000000010000000-0x00000000101B6000-memory.dmp upx behavioral2/memory/1632-74-0x0000000010000000-0x00000000101B6000-memory.dmp upx -
Drops file in Program Files directory 5 IoCs
description ioc Process File opened for modification C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe 0a76a0023aeef7a5a382d854d0bd87979a7c93b1bc9d617d54c230d46eaaf3f2.exe File opened for modification C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroRd32.exe 0a76a0023aeef7a5a382d854d0bd87979a7c93b1bc9d617d54c230d46eaaf3f2.exe File opened for modification C:\Program Files\Mozilla Firefox\firefox.exe 0a76a0023aeef7a5a382d854d0bd87979a7c93b1bc9d617d54c230d46eaaf3f2.exe File created C:\Program Files (x86)\Google\Chrome\Application\chrome.exe 0a76a0023aeef7a5a382d854d0bd87979a7c93b1bc9d617d54c230d46eaaf3f2.exe File opened for modification C:\Program Files\VideoLAN\VLC\vlc.exe 0a76a0023aeef7a5a382d854d0bd87979a7c93b1bc9d617d54c230d46eaaf3f2.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 0a76a0023aeef7a5a382d854d0bd87979a7c93b1bc9d617d54c230d46eaaf3f2.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 Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language PING.EXE -
System Network Configuration Discovery: Internet Connection Discovery 1 TTPs 2 IoCs
Adversaries may check for Internet connectivity on compromised systems.
pid Process 3800 cmd.exe 972 PING.EXE -
Runs ping.exe 1 TTPs 1 IoCs
pid Process 972 PING.EXE -
Suspicious behavior: LoadsDriver 1 IoCs
pid Process 1632 TXPlatforn.exe -
Suspicious use of AdjustPrivilegeToken 6 IoCs
description pid Process Token: SeIncBasePriorityPrivilege 3984 RVN.exe Token: SeLoadDriverPrivilege 1632 TXPlatforn.exe Token: 33 1632 TXPlatforn.exe Token: SeIncBasePriorityPrivilege 1632 TXPlatforn.exe Token: 33 1632 TXPlatforn.exe Token: SeIncBasePriorityPrivilege 1632 TXPlatforn.exe -
Suspicious use of SetWindowsHookEx 2 IoCs
pid Process 4980 0a76a0023aeef7a5a382d854d0bd87979a7c93b1bc9d617d54c230d46eaaf3f2.exe 4980 0a76a0023aeef7a5a382d854d0bd87979a7c93b1bc9d617d54c230d46eaaf3f2.exe -
Suspicious use of WriteProcessMemory 12 IoCs
description pid Process procid_target PID 4980 wrote to memory of 3984 4980 0a76a0023aeef7a5a382d854d0bd87979a7c93b1bc9d617d54c230d46eaaf3f2.exe 82 PID 4980 wrote to memory of 3984 4980 0a76a0023aeef7a5a382d854d0bd87979a7c93b1bc9d617d54c230d46eaaf3f2.exe 82 PID 4980 wrote to memory of 3984 4980 0a76a0023aeef7a5a382d854d0bd87979a7c93b1bc9d617d54c230d46eaaf3f2.exe 82 PID 3984 wrote to memory of 3800 3984 RVN.exe 84 PID 3984 wrote to memory of 3800 3984 RVN.exe 84 PID 3984 wrote to memory of 3800 3984 RVN.exe 84 PID 832 wrote to memory of 1632 832 TXPlatforn.exe 86 PID 832 wrote to memory of 1632 832 TXPlatforn.exe 86 PID 832 wrote to memory of 1632 832 TXPlatforn.exe 86 PID 3800 wrote to memory of 972 3800 cmd.exe 87 PID 3800 wrote to memory of 972 3800 cmd.exe 87 PID 3800 wrote to memory of 972 3800 cmd.exe 87
Processes
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C:\Users\Admin\AppData\Local\Temp\0a76a0023aeef7a5a382d854d0bd87979a7c93b1bc9d617d54c230d46eaaf3f2.exe"C:\Users\Admin\AppData\Local\Temp\0a76a0023aeef7a5a382d854d0bd87979a7c93b1bc9d617d54c230d46eaaf3f2.exe"1⤵
- Drops file in Program Files directory
- System Location Discovery: System Language Discovery
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:4980 -
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:3984 -
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:3800 -
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:972
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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:832 -
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:1632
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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
MD52bd55969e2b9e19ae8143d25496886ab
SHA153cff24d5159f6ac75a31cdfc1ad8a2186bd2604
SHA2560a76a0023aeef7a5a382d854d0bd87979a7c93b1bc9d617d54c230d46eaaf3f2
SHA5124591df68f4abc7954998317cde4919f66857a55786ae493e9de0c4ee70960e07e85a8e2713bea918a7706ff7ef8d33261273e66f01a67f65a45fd72de214274e
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Filesize
377KB
MD580ade1893dec9cab7f2e63538a464fcc
SHA1c06614da33a65eddb506db00a124a3fc3f5be02e
SHA25657a920389c044e3f5cf93dabff67070b4511e79779b6f874e08f92d8b0d7afbd
SHA512fffd4f3fccb5301b3c7a5b3bd92747f31549fbd9d0803fe5d502d1bb0ef979140988718c2ee1406ed3e755790d275185e120a56cbcb5ed2eadf62b5cdbfc4cc4