Analysis
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max time kernel
150s -
max time network
120s -
platform
windows7_x64 -
resource
win7-20240903-en -
resource tags
arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system -
submitted
13-11-2024 16:50
Static task
static1
Behavioral task
behavioral1
Sample
fd293495de7c907e8ff463a9a6ef0b1ab1424c910fc0f4e4c519f578edfeb2c7.exe
Resource
win7-20240903-en
General
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Target
fd293495de7c907e8ff463a9a6ef0b1ab1424c910fc0f4e4c519f578edfeb2c7.exe
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Size
1.3MB
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MD5
f23fbbe308c085aff734cfc1c9d82e26
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SHA1
21751b43cd486dbb37f9f45e561501735b0c2619
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SHA256
fd293495de7c907e8ff463a9a6ef0b1ab1424c910fc0f4e4c519f578edfeb2c7
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SHA512
52e74a107d022da42221f84f7d090bbcb04cd717efbe21963abbb9a2c9fad82f225d70ff942d6d9d7534191830592199f5045aafb8d0608ce533df5e65a89ee0
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SSDEEP
24576:209tv9/7JtDElDEExIko2H2HESq2eWJ6MQjySjy+LowpeITTy:209XJt4HIN2H2tFvduySppeI3y
Malware Config
Signatures
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resource yara_rule behavioral1/memory/2720-9-0x0000000010000000-0x00000000101B6000-memory.dmp purplefox_rootkit behavioral1/memory/2720-8-0x0000000010000000-0x00000000101B6000-memory.dmp purplefox_rootkit behavioral1/memory/2580-18-0x0000000010000000-0x00000000101B6000-memory.dmp purplefox_rootkit behavioral1/memory/2720-20-0x0000000010000000-0x00000000101B6000-memory.dmp purplefox_rootkit behavioral1/memory/2836-54-0x0000000010000000-0x00000000101B6000-memory.dmp purplefox_rootkit behavioral1/memory/2836-61-0x0000000010000000-0x00000000101B6000-memory.dmp purplefox_rootkit behavioral1/memory/2836-65-0x0000000010000000-0x00000000101B6000-memory.dmp purplefox_rootkit behavioral1/memory/2580-66-0x0000000010000000-0x00000000101B6000-memory.dmp purplefox_rootkit behavioral1/memory/2836-67-0x0000000010000000-0x00000000101B6000-memory.dmp purplefox_rootkit -
Gh0st RAT payload 9 IoCs
resource yara_rule behavioral1/memory/2720-9-0x0000000010000000-0x00000000101B6000-memory.dmp family_gh0strat behavioral1/memory/2720-8-0x0000000010000000-0x00000000101B6000-memory.dmp family_gh0strat behavioral1/memory/2580-18-0x0000000010000000-0x00000000101B6000-memory.dmp family_gh0strat behavioral1/memory/2720-20-0x0000000010000000-0x00000000101B6000-memory.dmp family_gh0strat behavioral1/memory/2836-54-0x0000000010000000-0x00000000101B6000-memory.dmp family_gh0strat behavioral1/memory/2836-61-0x0000000010000000-0x00000000101B6000-memory.dmp family_gh0strat behavioral1/memory/2836-65-0x0000000010000000-0x00000000101B6000-memory.dmp family_gh0strat behavioral1/memory/2580-66-0x0000000010000000-0x00000000101B6000-memory.dmp family_gh0strat behavioral1/memory/2836-67-0x0000000010000000-0x00000000101B6000-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 2720 RVN.exe 2580 TXPlatforn.exe 2836 TXPlatforn.exe -
Loads dropped DLL 2 IoCs
pid Process 2400 fd293495de7c907e8ff463a9a6ef0b1ab1424c910fc0f4e4c519f578edfeb2c7.exe 2580 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 behavioral1/memory/2720-5-0x0000000010000000-0x00000000101B6000-memory.dmp upx behavioral1/memory/2720-9-0x0000000010000000-0x00000000101B6000-memory.dmp upx behavioral1/memory/2720-8-0x0000000010000000-0x00000000101B6000-memory.dmp upx behavioral1/memory/2580-18-0x0000000010000000-0x00000000101B6000-memory.dmp upx behavioral1/memory/2720-20-0x0000000010000000-0x00000000101B6000-memory.dmp upx behavioral1/memory/2836-54-0x0000000010000000-0x00000000101B6000-memory.dmp upx behavioral1/memory/2836-61-0x0000000010000000-0x00000000101B6000-memory.dmp upx behavioral1/memory/2836-65-0x0000000010000000-0x00000000101B6000-memory.dmp upx behavioral1/memory/2580-66-0x0000000010000000-0x00000000101B6000-memory.dmp upx behavioral1/memory/2836-67-0x0000000010000000-0x00000000101B6000-memory.dmp upx -
Drops file in Program Files directory 4 IoCs
description ioc Process File opened for modification C:\Program Files\Mozilla Firefox\firefox.exe fd293495de7c907e8ff463a9a6ef0b1ab1424c910fc0f4e4c519f578edfeb2c7.exe File created C:\Program Files (x86)\Google\Chrome\Application\chrome.exe fd293495de7c907e8ff463a9a6ef0b1ab1424c910fc0f4e4c519f578edfeb2c7.exe File opened for modification C:\Program Files\VideoLAN\VLC\vlc.exe fd293495de7c907e8ff463a9a6ef0b1ab1424c910fc0f4e4c519f578edfeb2c7.exe File opened for modification C:\Program Files (x86)\Adobe\Reader 9.0\Reader\AcroRd32.exe fd293495de7c907e8ff463a9a6ef0b1ab1424c910fc0f4e4c519f578edfeb2c7.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 fd293495de7c907e8ff463a9a6ef0b1ab1424c910fc0f4e4c519f578edfeb2c7.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 1216 PING.EXE 2608 cmd.exe -
Runs ping.exe 1 TTPs 1 IoCs
pid Process 1216 PING.EXE -
Suspicious behavior: LoadsDriver 1 IoCs
pid Process 2836 TXPlatforn.exe -
Suspicious use of AdjustPrivilegeToken 6 IoCs
description pid Process Token: SeIncBasePriorityPrivilege 2720 RVN.exe Token: SeLoadDriverPrivilege 2836 TXPlatforn.exe Token: 33 2836 TXPlatforn.exe Token: SeIncBasePriorityPrivilege 2836 TXPlatforn.exe Token: 33 2836 TXPlatforn.exe Token: SeIncBasePriorityPrivilege 2836 TXPlatforn.exe -
Suspicious use of SetWindowsHookEx 2 IoCs
pid Process 2400 fd293495de7c907e8ff463a9a6ef0b1ab1424c910fc0f4e4c519f578edfeb2c7.exe 2400 fd293495de7c907e8ff463a9a6ef0b1ab1424c910fc0f4e4c519f578edfeb2c7.exe -
Suspicious use of WriteProcessMemory 22 IoCs
description pid Process procid_target PID 2400 wrote to memory of 2720 2400 fd293495de7c907e8ff463a9a6ef0b1ab1424c910fc0f4e4c519f578edfeb2c7.exe 30 PID 2400 wrote to memory of 2720 2400 fd293495de7c907e8ff463a9a6ef0b1ab1424c910fc0f4e4c519f578edfeb2c7.exe 30 PID 2400 wrote to memory of 2720 2400 fd293495de7c907e8ff463a9a6ef0b1ab1424c910fc0f4e4c519f578edfeb2c7.exe 30 PID 2400 wrote to memory of 2720 2400 fd293495de7c907e8ff463a9a6ef0b1ab1424c910fc0f4e4c519f578edfeb2c7.exe 30 PID 2400 wrote to memory of 2720 2400 fd293495de7c907e8ff463a9a6ef0b1ab1424c910fc0f4e4c519f578edfeb2c7.exe 30 PID 2400 wrote to memory of 2720 2400 fd293495de7c907e8ff463a9a6ef0b1ab1424c910fc0f4e4c519f578edfeb2c7.exe 30 PID 2400 wrote to memory of 2720 2400 fd293495de7c907e8ff463a9a6ef0b1ab1424c910fc0f4e4c519f578edfeb2c7.exe 30 PID 2720 wrote to memory of 2608 2720 RVN.exe 32 PID 2720 wrote to memory of 2608 2720 RVN.exe 32 PID 2720 wrote to memory of 2608 2720 RVN.exe 32 PID 2720 wrote to memory of 2608 2720 RVN.exe 32 PID 2580 wrote to memory of 2836 2580 TXPlatforn.exe 34 PID 2580 wrote to memory of 2836 2580 TXPlatforn.exe 34 PID 2580 wrote to memory of 2836 2580 TXPlatforn.exe 34 PID 2580 wrote to memory of 2836 2580 TXPlatforn.exe 34 PID 2580 wrote to memory of 2836 2580 TXPlatforn.exe 34 PID 2580 wrote to memory of 2836 2580 TXPlatforn.exe 34 PID 2580 wrote to memory of 2836 2580 TXPlatforn.exe 34 PID 2608 wrote to memory of 1216 2608 cmd.exe 35 PID 2608 wrote to memory of 1216 2608 cmd.exe 35 PID 2608 wrote to memory of 1216 2608 cmd.exe 35 PID 2608 wrote to memory of 1216 2608 cmd.exe 35
Processes
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C:\Users\Admin\AppData\Local\Temp\fd293495de7c907e8ff463a9a6ef0b1ab1424c910fc0f4e4c519f578edfeb2c7.exe"C:\Users\Admin\AppData\Local\Temp\fd293495de7c907e8ff463a9a6ef0b1ab1424c910fc0f4e4c519f578edfeb2c7.exe"1⤵
- Loads dropped DLL
- Drops file in Program Files directory
- System Location Discovery: System Language Discovery
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:2400 -
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:2720 -
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:2608 -
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:1216
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C:\Windows\SysWOW64\TXPlatforn.exeC:\Windows\SysWOW64\TXPlatforn.exe -auto1⤵
- Executes dropped EXE
- Loads dropped DLL
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2580 -
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:2836
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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
1.3MB
MD5f23fbbe308c085aff734cfc1c9d82e26
SHA121751b43cd486dbb37f9f45e561501735b0c2619
SHA256fd293495de7c907e8ff463a9a6ef0b1ab1424c910fc0f4e4c519f578edfeb2c7
SHA51252e74a107d022da42221f84f7d090bbcb04cd717efbe21963abbb9a2c9fad82f225d70ff942d6d9d7534191830592199f5045aafb8d0608ce533df5e65a89ee0
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Filesize
377KB
MD580ade1893dec9cab7f2e63538a464fcc
SHA1c06614da33a65eddb506db00a124a3fc3f5be02e
SHA25657a920389c044e3f5cf93dabff67070b4511e79779b6f874e08f92d8b0d7afbd
SHA512fffd4f3fccb5301b3c7a5b3bd92747f31549fbd9d0803fe5d502d1bb0ef979140988718c2ee1406ed3e755790d275185e120a56cbcb5ed2eadf62b5cdbfc4cc4