Analysis
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max time kernel
150s -
max time network
149s -
platform
windows10-2004_x64 -
resource
win10v2004-20241007-en -
resource tags
arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system -
submitted
18-10-2024 14:12
Static task
static1
Behavioral task
behavioral1
Sample
c283afa77e363f4e704f799434bd0dd83d1b545b6197cb975b5cd15f7637fca9.exe
Resource
win7-20240729-en
General
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Target
c283afa77e363f4e704f799434bd0dd83d1b545b6197cb975b5cd15f7637fca9.exe
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Size
1.5MB
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MD5
495a9cf68c64d8e7f3bdfa1b39264b82
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SHA1
a643741b695cbf8d97f12aa44eaa37b53edc7748
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SHA256
c283afa77e363f4e704f799434bd0dd83d1b545b6197cb975b5cd15f7637fca9
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SHA512
7f4ddc164f023e305624b12b411909573f74aa16106945925cf6c8eb92fb09a5daa847199e77ef001501fab02529009b884713b41ab49ea8f4ac458d465e3287
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SSDEEP
24576:709tv9/7JtDElDEExIko2H2HESq2eWJ6MQjySjy+AWvsL0vO2:709XJt4HIN2H2tFvduySha0vO2
Malware Config
Signatures
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resource yara_rule behavioral2/memory/3656-10-0x0000000010000000-0x00000000101B6000-memory.dmp purplefox_rootkit behavioral2/memory/3656-6-0x0000000010000000-0x00000000101B6000-memory.dmp purplefox_rootkit behavioral2/memory/3656-7-0x0000000010000000-0x00000000101B6000-memory.dmp purplefox_rootkit behavioral2/memory/1856-17-0x0000000010000000-0x00000000101B6000-memory.dmp purplefox_rootkit behavioral2/memory/1856-16-0x0000000010000000-0x00000000101B6000-memory.dmp purplefox_rootkit behavioral2/memory/1856-15-0x0000000010000000-0x00000000101B6000-memory.dmp purplefox_rootkit behavioral2/memory/1856-25-0x0000000010000000-0x00000000101B6000-memory.dmp purplefox_rootkit behavioral2/memory/2316-28-0x0000000010000000-0x00000000101B6000-memory.dmp purplefox_rootkit behavioral2/memory/2316-29-0x0000000010000000-0x00000000101B6000-memory.dmp purplefox_rootkit behavioral2/memory/2316-32-0x0000000010000000-0x00000000101B6000-memory.dmp purplefox_rootkit behavioral2/memory/2316-34-0x0000000010000000-0x00000000101B6000-memory.dmp purplefox_rootkit -
Gh0st RAT payload 11 IoCs
resource yara_rule behavioral2/memory/3656-10-0x0000000010000000-0x00000000101B6000-memory.dmp family_gh0strat behavioral2/memory/3656-6-0x0000000010000000-0x00000000101B6000-memory.dmp family_gh0strat behavioral2/memory/3656-7-0x0000000010000000-0x00000000101B6000-memory.dmp family_gh0strat behavioral2/memory/1856-17-0x0000000010000000-0x00000000101B6000-memory.dmp family_gh0strat behavioral2/memory/1856-16-0x0000000010000000-0x00000000101B6000-memory.dmp family_gh0strat behavioral2/memory/1856-15-0x0000000010000000-0x00000000101B6000-memory.dmp family_gh0strat behavioral2/memory/1856-25-0x0000000010000000-0x00000000101B6000-memory.dmp family_gh0strat behavioral2/memory/2316-28-0x0000000010000000-0x00000000101B6000-memory.dmp family_gh0strat behavioral2/memory/2316-29-0x0000000010000000-0x00000000101B6000-memory.dmp family_gh0strat behavioral2/memory/2316-32-0x0000000010000000-0x00000000101B6000-memory.dmp family_gh0strat behavioral2/memory/2316-34-0x0000000010000000-0x00000000101B6000-memory.dmp family_gh0strat -
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 3656 RVN.exe 1856 TXPlatforn.exe 980 HD_c283afa77e363f4e704f799434bd0dd83d1b545b6197cb975b5cd15f7637fca9.exe 2316 TXPlatforn.exe -
Drops file in System32 directory 2 IoCs
description ioc Process File opened for modification C:\Windows\SysWOW64\TXPlatforn.exe RVN.exe File created C:\Windows\SysWOW64\TXPlatforn.exe RVN.exe -
resource yara_rule behavioral2/memory/3656-5-0x0000000010000000-0x00000000101B6000-memory.dmp upx behavioral2/memory/3656-10-0x0000000010000000-0x00000000101B6000-memory.dmp upx behavioral2/memory/3656-6-0x0000000010000000-0x00000000101B6000-memory.dmp upx behavioral2/memory/3656-7-0x0000000010000000-0x00000000101B6000-memory.dmp upx behavioral2/memory/1856-13-0x0000000010000000-0x00000000101B6000-memory.dmp upx behavioral2/memory/1856-17-0x0000000010000000-0x00000000101B6000-memory.dmp upx behavioral2/memory/1856-16-0x0000000010000000-0x00000000101B6000-memory.dmp upx behavioral2/memory/1856-15-0x0000000010000000-0x00000000101B6000-memory.dmp upx behavioral2/memory/1856-25-0x0000000010000000-0x00000000101B6000-memory.dmp upx behavioral2/memory/2316-28-0x0000000010000000-0x00000000101B6000-memory.dmp upx behavioral2/memory/2316-29-0x0000000010000000-0x00000000101B6000-memory.dmp upx behavioral2/memory/2316-32-0x0000000010000000-0x00000000101B6000-memory.dmp upx behavioral2/memory/2316-34-0x0000000010000000-0x00000000101B6000-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 c283afa77e363f4e704f799434bd0dd83d1b545b6197cb975b5cd15f7637fca9.exe File opened for modification C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroRd32.exe c283afa77e363f4e704f799434bd0dd83d1b545b6197cb975b5cd15f7637fca9.exe File opened for modification C:\Program Files\Mozilla Firefox\firefox.exe c283afa77e363f4e704f799434bd0dd83d1b545b6197cb975b5cd15f7637fca9.exe File created C:\Program Files (x86)\Google\Chrome\Application\chrome.exe c283afa77e363f4e704f799434bd0dd83d1b545b6197cb975b5cd15f7637fca9.exe File opened for modification C:\Program Files\VideoLAN\VLC\vlc.exe c283afa77e363f4e704f799434bd0dd83d1b545b6197cb975b5cd15f7637fca9.exe -
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
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Program crash 1 IoCs
pid pid_target Process procid_target 4952 980 WerFault.exe 87 -
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 c283afa77e363f4e704f799434bd0dd83d1b545b6197cb975b5cd15f7637fca9.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 2964 PING.EXE 4400 cmd.exe -
Runs ping.exe 1 TTPs 1 IoCs
pid Process 2964 PING.EXE -
Suspicious behavior: EnumeratesProcesses 2 IoCs
pid Process 444 c283afa77e363f4e704f799434bd0dd83d1b545b6197cb975b5cd15f7637fca9.exe 444 c283afa77e363f4e704f799434bd0dd83d1b545b6197cb975b5cd15f7637fca9.exe -
Suspicious behavior: LoadsDriver 1 IoCs
pid Process 2316 TXPlatforn.exe -
Suspicious use of AdjustPrivilegeToken 6 IoCs
description pid Process Token: SeIncBasePriorityPrivilege 3656 RVN.exe Token: SeLoadDriverPrivilege 2316 TXPlatforn.exe Token: 33 2316 TXPlatforn.exe Token: SeIncBasePriorityPrivilege 2316 TXPlatforn.exe Token: 33 2316 TXPlatforn.exe Token: SeIncBasePriorityPrivilege 2316 TXPlatforn.exe -
Suspicious use of SetWindowsHookEx 2 IoCs
pid Process 444 c283afa77e363f4e704f799434bd0dd83d1b545b6197cb975b5cd15f7637fca9.exe 444 c283afa77e363f4e704f799434bd0dd83d1b545b6197cb975b5cd15f7637fca9.exe -
Suspicious use of WriteProcessMemory 15 IoCs
description pid Process procid_target PID 444 wrote to memory of 3656 444 c283afa77e363f4e704f799434bd0dd83d1b545b6197cb975b5cd15f7637fca9.exe 84 PID 444 wrote to memory of 3656 444 c283afa77e363f4e704f799434bd0dd83d1b545b6197cb975b5cd15f7637fca9.exe 84 PID 444 wrote to memory of 3656 444 c283afa77e363f4e704f799434bd0dd83d1b545b6197cb975b5cd15f7637fca9.exe 84 PID 3656 wrote to memory of 4400 3656 RVN.exe 86 PID 3656 wrote to memory of 4400 3656 RVN.exe 86 PID 3656 wrote to memory of 4400 3656 RVN.exe 86 PID 444 wrote to memory of 980 444 c283afa77e363f4e704f799434bd0dd83d1b545b6197cb975b5cd15f7637fca9.exe 87 PID 444 wrote to memory of 980 444 c283afa77e363f4e704f799434bd0dd83d1b545b6197cb975b5cd15f7637fca9.exe 87 PID 444 wrote to memory of 980 444 c283afa77e363f4e704f799434bd0dd83d1b545b6197cb975b5cd15f7637fca9.exe 87 PID 1856 wrote to memory of 2316 1856 TXPlatforn.exe 89 PID 1856 wrote to memory of 2316 1856 TXPlatforn.exe 89 PID 1856 wrote to memory of 2316 1856 TXPlatforn.exe 89 PID 4400 wrote to memory of 2964 4400 cmd.exe 93 PID 4400 wrote to memory of 2964 4400 cmd.exe 93 PID 4400 wrote to memory of 2964 4400 cmd.exe 93
Processes
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C:\Users\Admin\AppData\Local\Temp\c283afa77e363f4e704f799434bd0dd83d1b545b6197cb975b5cd15f7637fca9.exe"C:\Users\Admin\AppData\Local\Temp\c283afa77e363f4e704f799434bd0dd83d1b545b6197cb975b5cd15f7637fca9.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:444 -
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:3656 -
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:4400 -
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:2964
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C:\Users\Admin\AppData\Local\Temp\HD_c283afa77e363f4e704f799434bd0dd83d1b545b6197cb975b5cd15f7637fca9.exeC:\Users\Admin\AppData\Local\Temp\HD_c283afa77e363f4e704f799434bd0dd83d1b545b6197cb975b5cd15f7637fca9.exe2⤵
- Executes dropped EXE
PID:980 -
C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 980 -s 2003⤵
- Program crash
PID:4952
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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:1856 -
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:2316
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 980 -ip 9801⤵PID:5012
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
1.1MB
MD5addea43921744e90f36ae11feb3ba695
SHA11dfccc9e4f2ffae953f563c1e97d18ee6f606730
SHA256ee1eb99f6d686b401d46400b0d2046f61e17d4bf3b81e9fa6875a5f7dadffa87
SHA51228d096410ba222f230b9d4971cf886a8c1a29e9f79cab00e40bd5bc759ff1a57073b559c52b3a9ee490ba6a1b367afa01f9cf845fe3127e113757fc0476f2b41
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C:\Users\Admin\AppData\Local\Temp\HD_c283afa77e363f4e704f799434bd0dd83d1b545b6197cb975b5cd15f7637fca9.exe
Filesize382KB
MD54234e76a1b12c5f76b264c99540fd736
SHA1afd7b46e145f66f7f260b4d720977b366bca8ad8
SHA2568f9fe72ba974d046e3178e96cf38007a8640bcb179bf83708d64d5e5e21096cf
SHA51289eeb028bea5ce6323ad90f67aedbdb2a1b9ab3f903a58d9b665a4193c44fe3de77b985401d46af3f3923190d404e9ab9333b3a58cbb075a07842e0a082f2ef1
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Filesize
377KB
MD580ade1893dec9cab7f2e63538a464fcc
SHA1c06614da33a65eddb506db00a124a3fc3f5be02e
SHA25657a920389c044e3f5cf93dabff67070b4511e79779b6f874e08f92d8b0d7afbd
SHA512fffd4f3fccb5301b3c7a5b3bd92747f31549fbd9d0803fe5d502d1bb0ef979140988718c2ee1406ed3e755790d275185e120a56cbcb5ed2eadf62b5cdbfc4cc4