Analysis
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max time kernel
150s -
max time network
150s -
platform
windows10-2004_x64 -
resource
win10v2004-20241007-en -
resource tags
arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system -
submitted
18-01-2025 22:35
Static task
static1
Behavioral task
behavioral1
Sample
34b1fccdcdcb3831470252298fcae7748fb04207cd0a1f55b81b123a335c0c85.exe
Resource
win7-20241010-en
General
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Target
34b1fccdcdcb3831470252298fcae7748fb04207cd0a1f55b81b123a335c0c85.exe
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Size
592KB
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MD5
d2fbef54e3011bea7ce456dfa6e1c564
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SHA1
78b26f93fb49ed722dd5ba8a055b5a2e1374457a
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SHA256
34b1fccdcdcb3831470252298fcae7748fb04207cd0a1f55b81b123a335c0c85
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SHA512
c7c5531d568fc1bbd2491c8ebe8728864bcac8549276c17f16f197f6ae632fdaebeba6565a6fefe0a753468d7e0e2a44d23095f7358a3944fa2576e1bf551cd4
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SSDEEP
12288:Ei2cAro2HQVWAHkFSq2hAWJYlMUtrxlyuJVRe8y7Pi:Ei2Tro2H2HESq2eWJ6MQjySjyDi
Malware Config
Signatures
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resource yara_rule behavioral2/memory/812-11-0x0000000010000000-0x00000000101B6000-memory.dmp purplefox_rootkit behavioral2/memory/812-8-0x0000000010000000-0x00000000101B6000-memory.dmp purplefox_rootkit behavioral2/memory/812-7-0x0000000010000000-0x00000000101B6000-memory.dmp purplefox_rootkit behavioral2/memory/4540-20-0x0000000010000000-0x00000000101B6000-memory.dmp purplefox_rootkit behavioral2/memory/4540-18-0x0000000010000000-0x00000000101B6000-memory.dmp purplefox_rootkit behavioral2/memory/4540-17-0x0000000010000000-0x00000000101B6000-memory.dmp purplefox_rootkit behavioral2/memory/4540-16-0x0000000010000000-0x00000000101B6000-memory.dmp purplefox_rootkit behavioral2/memory/3944-25-0x0000000010000000-0x00000000101B6000-memory.dmp purplefox_rootkit behavioral2/memory/3944-24-0x0000000010000000-0x00000000101B6000-memory.dmp purplefox_rootkit behavioral2/memory/3944-23-0x0000000010000000-0x00000000101B6000-memory.dmp purplefox_rootkit behavioral2/memory/3944-26-0x0000000010000000-0x00000000101B6000-memory.dmp purplefox_rootkit behavioral2/memory/3944-29-0x0000000010000000-0x00000000101B6000-memory.dmp purplefox_rootkit behavioral2/memory/3944-31-0x0000000010000000-0x00000000101B6000-memory.dmp purplefox_rootkit -
Gh0st RAT payload 13 IoCs
resource yara_rule behavioral2/memory/812-11-0x0000000010000000-0x00000000101B6000-memory.dmp family_gh0strat behavioral2/memory/812-8-0x0000000010000000-0x00000000101B6000-memory.dmp family_gh0strat behavioral2/memory/812-7-0x0000000010000000-0x00000000101B6000-memory.dmp family_gh0strat behavioral2/memory/4540-20-0x0000000010000000-0x00000000101B6000-memory.dmp family_gh0strat behavioral2/memory/4540-18-0x0000000010000000-0x00000000101B6000-memory.dmp family_gh0strat behavioral2/memory/4540-17-0x0000000010000000-0x00000000101B6000-memory.dmp family_gh0strat behavioral2/memory/4540-16-0x0000000010000000-0x00000000101B6000-memory.dmp family_gh0strat behavioral2/memory/3944-25-0x0000000010000000-0x00000000101B6000-memory.dmp family_gh0strat behavioral2/memory/3944-24-0x0000000010000000-0x00000000101B6000-memory.dmp family_gh0strat behavioral2/memory/3944-23-0x0000000010000000-0x00000000101B6000-memory.dmp family_gh0strat behavioral2/memory/3944-26-0x0000000010000000-0x00000000101B6000-memory.dmp family_gh0strat behavioral2/memory/3944-29-0x0000000010000000-0x00000000101B6000-memory.dmp family_gh0strat behavioral2/memory/3944-31-0x0000000010000000-0x00000000101B6000-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 812 RVN.exe 4540 TXPlatforn.exe 3944 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/812-11-0x0000000010000000-0x00000000101B6000-memory.dmp upx behavioral2/memory/812-8-0x0000000010000000-0x00000000101B6000-memory.dmp upx behavioral2/memory/812-7-0x0000000010000000-0x00000000101B6000-memory.dmp upx behavioral2/memory/812-5-0x0000000010000000-0x00000000101B6000-memory.dmp upx behavioral2/memory/4540-14-0x0000000010000000-0x00000000101B6000-memory.dmp upx behavioral2/memory/4540-20-0x0000000010000000-0x00000000101B6000-memory.dmp upx behavioral2/memory/4540-18-0x0000000010000000-0x00000000101B6000-memory.dmp upx behavioral2/memory/4540-17-0x0000000010000000-0x00000000101B6000-memory.dmp upx behavioral2/memory/4540-16-0x0000000010000000-0x00000000101B6000-memory.dmp upx behavioral2/memory/3944-21-0x0000000010000000-0x00000000101B6000-memory.dmp upx behavioral2/memory/3944-25-0x0000000010000000-0x00000000101B6000-memory.dmp upx behavioral2/memory/3944-24-0x0000000010000000-0x00000000101B6000-memory.dmp upx behavioral2/memory/3944-23-0x0000000010000000-0x00000000101B6000-memory.dmp upx behavioral2/memory/3944-26-0x0000000010000000-0x00000000101B6000-memory.dmp upx behavioral2/memory/3944-29-0x0000000010000000-0x00000000101B6000-memory.dmp upx behavioral2/memory/3944-31-0x0000000010000000-0x00000000101B6000-memory.dmp upx -
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 TXPlatforn.exe 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 34b1fccdcdcb3831470252298fcae7748fb04207cd0a1f55b81b123a335c0c85.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language RVN.exe -
System Network Configuration Discovery: Internet Connection Discovery 1 TTPs 2 IoCs
Adversaries may check for Internet connectivity on compromised systems.
pid Process 5016 cmd.exe 3540 PING.EXE -
Runs ping.exe 1 TTPs 1 IoCs
pid Process 3540 PING.EXE -
Suspicious behavior: LoadsDriver 1 IoCs
pid Process 3944 TXPlatforn.exe -
Suspicious use of AdjustPrivilegeToken 6 IoCs
description pid Process Token: SeIncBasePriorityPrivilege 812 RVN.exe Token: SeLoadDriverPrivilege 3944 TXPlatforn.exe Token: 33 3944 TXPlatforn.exe Token: SeIncBasePriorityPrivilege 3944 TXPlatforn.exe Token: 33 3944 TXPlatforn.exe Token: SeIncBasePriorityPrivilege 3944 TXPlatforn.exe -
Suspicious use of SetWindowsHookEx 1 IoCs
pid Process 2456 34b1fccdcdcb3831470252298fcae7748fb04207cd0a1f55b81b123a335c0c85.exe -
Suspicious use of WriteProcessMemory 12 IoCs
description pid Process procid_target PID 2456 wrote to memory of 812 2456 34b1fccdcdcb3831470252298fcae7748fb04207cd0a1f55b81b123a335c0c85.exe 83 PID 2456 wrote to memory of 812 2456 34b1fccdcdcb3831470252298fcae7748fb04207cd0a1f55b81b123a335c0c85.exe 83 PID 2456 wrote to memory of 812 2456 34b1fccdcdcb3831470252298fcae7748fb04207cd0a1f55b81b123a335c0c85.exe 83 PID 812 wrote to memory of 5016 812 RVN.exe 85 PID 812 wrote to memory of 5016 812 RVN.exe 85 PID 812 wrote to memory of 5016 812 RVN.exe 85 PID 4540 wrote to memory of 3944 4540 TXPlatforn.exe 86 PID 4540 wrote to memory of 3944 4540 TXPlatforn.exe 86 PID 4540 wrote to memory of 3944 4540 TXPlatforn.exe 86 PID 5016 wrote to memory of 3540 5016 cmd.exe 88 PID 5016 wrote to memory of 3540 5016 cmd.exe 88 PID 5016 wrote to memory of 3540 5016 cmd.exe 88
Processes
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C:\Users\Admin\AppData\Local\Temp\34b1fccdcdcb3831470252298fcae7748fb04207cd0a1f55b81b123a335c0c85.exe"C:\Users\Admin\AppData\Local\Temp\34b1fccdcdcb3831470252298fcae7748fb04207cd0a1f55b81b123a335c0c85.exe"1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:2456 -
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:812 -
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:5016 -
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:3540
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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:4540 -
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:3944
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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
592KB
MD5d2fbef54e3011bea7ce456dfa6e1c564
SHA178b26f93fb49ed722dd5ba8a055b5a2e1374457a
SHA25634b1fccdcdcb3831470252298fcae7748fb04207cd0a1f55b81b123a335c0c85
SHA512c7c5531d568fc1bbd2491c8ebe8728864bcac8549276c17f16f197f6ae632fdaebeba6565a6fefe0a753468d7e0e2a44d23095f7358a3944fa2576e1bf551cd4
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Filesize
377KB
MD580ade1893dec9cab7f2e63538a464fcc
SHA1c06614da33a65eddb506db00a124a3fc3f5be02e
SHA25657a920389c044e3f5cf93dabff67070b4511e79779b6f874e08f92d8b0d7afbd
SHA512fffd4f3fccb5301b3c7a5b3bd92747f31549fbd9d0803fe5d502d1bb0ef979140988718c2ee1406ed3e755790d275185e120a56cbcb5ed2eadf62b5cdbfc4cc4