Analysis
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max time kernel
150s -
max time network
147s -
platform
windows10-2004_x64 -
resource
win10v2004-20241007-en -
resource tags
arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system -
submitted
30-12-2024 00:42
Static task
static1
Behavioral task
behavioral1
Sample
42dd92276c4594932d08c9818c8e7bc9ebca7b91dec5756cdd4717aa74458ee0.exe
Resource
win7-20240729-en
General
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Target
42dd92276c4594932d08c9818c8e7bc9ebca7b91dec5756cdd4717aa74458ee0.exe
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Size
1.5MB
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MD5
23cadd2603883740b2d9df4f82846a56
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SHA1
cc370f898455ea339f1ecfef4c3c730a707fe288
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SHA256
42dd92276c4594932d08c9818c8e7bc9ebca7b91dec5756cdd4717aa74458ee0
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SHA512
971639520271b9cc6d81fe6d1a909238d890529f5b303ced4cd1f6aef8e5c5fdb007d1728096d4eff43512df7131f03a2143f60938ae1fe707e479a9093645b7
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SSDEEP
24576:909tv9/7JtDElDEExIko2H2HESq2eWJ6MQjySjy+ywpe6TpEWQ7z9vFT:909XJt4HIN2H2tFvduyS7pekpEWoxvV
Malware Config
Signatures
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resource yara_rule behavioral2/memory/1564-6-0x0000000010000000-0x00000000101B6000-memory.dmp purplefox_rootkit behavioral2/memory/1564-10-0x0000000010000000-0x00000000101B6000-memory.dmp purplefox_rootkit behavioral2/memory/1564-7-0x0000000010000000-0x00000000101B6000-memory.dmp purplefox_rootkit behavioral2/memory/2268-16-0x0000000010000000-0x00000000101B6000-memory.dmp purplefox_rootkit behavioral2/memory/2268-17-0x0000000010000000-0x00000000101B6000-memory.dmp purplefox_rootkit behavioral2/memory/2268-15-0x0000000010000000-0x00000000101B6000-memory.dmp purplefox_rootkit behavioral2/memory/1632-24-0x0000000010000000-0x00000000101B6000-memory.dmp purplefox_rootkit behavioral2/memory/2268-25-0x0000000010000000-0x00000000101B6000-memory.dmp purplefox_rootkit behavioral2/memory/1632-26-0x0000000010000000-0x00000000101B6000-memory.dmp purplefox_rootkit behavioral2/memory/1632-30-0x0000000010000000-0x00000000101B6000-memory.dmp purplefox_rootkit behavioral2/memory/1632-36-0x0000000010000000-0x00000000101B6000-memory.dmp purplefox_rootkit -
Gh0st RAT payload 11 IoCs
resource yara_rule behavioral2/memory/1564-6-0x0000000010000000-0x00000000101B6000-memory.dmp family_gh0strat behavioral2/memory/1564-10-0x0000000010000000-0x00000000101B6000-memory.dmp family_gh0strat behavioral2/memory/1564-7-0x0000000010000000-0x00000000101B6000-memory.dmp family_gh0strat behavioral2/memory/2268-16-0x0000000010000000-0x00000000101B6000-memory.dmp family_gh0strat behavioral2/memory/2268-17-0x0000000010000000-0x00000000101B6000-memory.dmp family_gh0strat behavioral2/memory/2268-15-0x0000000010000000-0x00000000101B6000-memory.dmp family_gh0strat behavioral2/memory/1632-24-0x0000000010000000-0x00000000101B6000-memory.dmp family_gh0strat behavioral2/memory/2268-25-0x0000000010000000-0x00000000101B6000-memory.dmp family_gh0strat behavioral2/memory/1632-26-0x0000000010000000-0x00000000101B6000-memory.dmp family_gh0strat behavioral2/memory/1632-30-0x0000000010000000-0x00000000101B6000-memory.dmp family_gh0strat behavioral2/memory/1632-36-0x0000000010000000-0x00000000101B6000-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 1564 RVN.exe 2268 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/1564-4-0x0000000010000000-0x00000000101B6000-memory.dmp upx behavioral2/memory/1564-6-0x0000000010000000-0x00000000101B6000-memory.dmp upx behavioral2/memory/1564-10-0x0000000010000000-0x00000000101B6000-memory.dmp upx behavioral2/memory/1564-7-0x0000000010000000-0x00000000101B6000-memory.dmp upx behavioral2/memory/2268-13-0x0000000010000000-0x00000000101B6000-memory.dmp upx behavioral2/memory/2268-16-0x0000000010000000-0x00000000101B6000-memory.dmp upx behavioral2/memory/2268-17-0x0000000010000000-0x00000000101B6000-memory.dmp upx behavioral2/memory/2268-15-0x0000000010000000-0x00000000101B6000-memory.dmp upx behavioral2/memory/1632-24-0x0000000010000000-0x00000000101B6000-memory.dmp upx behavioral2/memory/2268-25-0x0000000010000000-0x00000000101B6000-memory.dmp upx behavioral2/memory/1632-26-0x0000000010000000-0x00000000101B6000-memory.dmp upx behavioral2/memory/1632-30-0x0000000010000000-0x00000000101B6000-memory.dmp upx behavioral2/memory/1632-36-0x0000000010000000-0x00000000101B6000-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 42dd92276c4594932d08c9818c8e7bc9ebca7b91dec5756cdd4717aa74458ee0.exe File opened for modification C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe 42dd92276c4594932d08c9818c8e7bc9ebca7b91dec5756cdd4717aa74458ee0.exe File opened for modification C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroRd32.exe 42dd92276c4594932d08c9818c8e7bc9ebca7b91dec5756cdd4717aa74458ee0.exe File opened for modification C:\Program Files\Mozilla Firefox\firefox.exe 42dd92276c4594932d08c9818c8e7bc9ebca7b91dec5756cdd4717aa74458ee0.exe File created C:\Program Files (x86)\Google\Chrome\Application\chrome.exe 42dd92276c4594932d08c9818c8e7bc9ebca7b91dec5756cdd4717aa74458ee0.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 42dd92276c4594932d08c9818c8e7bc9ebca7b91dec5756cdd4717aa74458ee0.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 1388 cmd.exe 1460 PING.EXE -
Runs ping.exe 1 TTPs 1 IoCs
pid Process 1460 PING.EXE -
Suspicious behavior: LoadsDriver 1 IoCs
pid Process 1632 TXPlatforn.exe -
Suspicious use of AdjustPrivilegeToken 6 IoCs
description pid Process Token: SeIncBasePriorityPrivilege 1564 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 3664 42dd92276c4594932d08c9818c8e7bc9ebca7b91dec5756cdd4717aa74458ee0.exe 3664 42dd92276c4594932d08c9818c8e7bc9ebca7b91dec5756cdd4717aa74458ee0.exe -
Suspicious use of WriteProcessMemory 12 IoCs
description pid Process procid_target PID 3664 wrote to memory of 1564 3664 42dd92276c4594932d08c9818c8e7bc9ebca7b91dec5756cdd4717aa74458ee0.exe 82 PID 3664 wrote to memory of 1564 3664 42dd92276c4594932d08c9818c8e7bc9ebca7b91dec5756cdd4717aa74458ee0.exe 82 PID 3664 wrote to memory of 1564 3664 42dd92276c4594932d08c9818c8e7bc9ebca7b91dec5756cdd4717aa74458ee0.exe 82 PID 1564 wrote to memory of 1388 1564 RVN.exe 84 PID 1564 wrote to memory of 1388 1564 RVN.exe 84 PID 1564 wrote to memory of 1388 1564 RVN.exe 84 PID 2268 wrote to memory of 1632 2268 TXPlatforn.exe 85 PID 2268 wrote to memory of 1632 2268 TXPlatforn.exe 85 PID 2268 wrote to memory of 1632 2268 TXPlatforn.exe 85 PID 1388 wrote to memory of 1460 1388 cmd.exe 87 PID 1388 wrote to memory of 1460 1388 cmd.exe 87 PID 1388 wrote to memory of 1460 1388 cmd.exe 87
Processes
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C:\Users\Admin\AppData\Local\Temp\42dd92276c4594932d08c9818c8e7bc9ebca7b91dec5756cdd4717aa74458ee0.exe"C:\Users\Admin\AppData\Local\Temp\42dd92276c4594932d08c9818c8e7bc9ebca7b91dec5756cdd4717aa74458ee0.exe"1⤵
- Drops file in Program Files directory
- System Location Discovery: System Language Discovery
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:3664 -
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:1564 -
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:1388 -
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:1460
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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:2268 -
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
1.5MB
MD523cadd2603883740b2d9df4f82846a56
SHA1cc370f898455ea339f1ecfef4c3c730a707fe288
SHA25642dd92276c4594932d08c9818c8e7bc9ebca7b91dec5756cdd4717aa74458ee0
SHA512971639520271b9cc6d81fe6d1a909238d890529f5b303ced4cd1f6aef8e5c5fdb007d1728096d4eff43512df7131f03a2143f60938ae1fe707e479a9093645b7
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Filesize
377KB
MD580ade1893dec9cab7f2e63538a464fcc
SHA1c06614da33a65eddb506db00a124a3fc3f5be02e
SHA25657a920389c044e3f5cf93dabff67070b4511e79779b6f874e08f92d8b0d7afbd
SHA512fffd4f3fccb5301b3c7a5b3bd92747f31549fbd9d0803fe5d502d1bb0ef979140988718c2ee1406ed3e755790d275185e120a56cbcb5ed2eadf62b5cdbfc4cc4