Analysis
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max time kernel
120s -
max time network
97s -
platform
windows10-2004_x64 -
resource
win10v2004-20240802-en -
resource tags
arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system -
submitted
01-10-2024 21:06
Static task
static1
Behavioral task
behavioral1
Sample
f3393c9f0473580a1185c734d464dca2514ce1e58ac6e857251e86d8e0d49696N.exe
Resource
win7-20240903-en
General
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Target
f3393c9f0473580a1185c734d464dca2514ce1e58ac6e857251e86d8e0d49696N.exe
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Size
1.5MB
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MD5
066c58fbde7baca08eabe26d1d625360
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SHA1
e2661bac4380214c5748f20fcf1b7c2f400c9593
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SHA256
f3393c9f0473580a1185c734d464dca2514ce1e58ac6e857251e86d8e0d49696
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SHA512
8d4527d7bf94f77fc9c054381bf98600d48709c166e7bf2634e49a72d8809cfffa73706f42b2cf33c19d293805671dd574bd4785f968d4b5ead7ef8775bcd0a9
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SSDEEP
24576:Y09tv9/7JtDElDEExIko2H2HESq2eWJ6MQjySjy+Ys00:Y09XJt4HIN2H2tFvduySCr0
Malware Config
Signatures
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resource yara_rule behavioral2/memory/4208-6-0x0000000010000000-0x00000000101B6000-memory.dmp purplefox_rootkit behavioral2/memory/4208-7-0x0000000010000000-0x00000000101B6000-memory.dmp purplefox_rootkit behavioral2/memory/4208-10-0x0000000010000000-0x00000000101B6000-memory.dmp purplefox_rootkit behavioral2/memory/3820-16-0x0000000010000000-0x00000000101B6000-memory.dmp purplefox_rootkit behavioral2/memory/3820-17-0x0000000010000000-0x00000000101B6000-memory.dmp purplefox_rootkit behavioral2/memory/3820-34-0x0000000010000000-0x00000000101B6000-memory.dmp purplefox_rootkit behavioral2/memory/2536-35-0x0000000010000000-0x00000000101B6000-memory.dmp purplefox_rootkit behavioral2/memory/2536-51-0x0000000010000000-0x00000000101B6000-memory.dmp purplefox_rootkit behavioral2/memory/2536-71-0x0000000010000000-0x00000000101B6000-memory.dmp purplefox_rootkit behavioral2/memory/2536-73-0x0000000010000000-0x00000000101B6000-memory.dmp purplefox_rootkit -
Gh0st RAT payload 11 IoCs
resource yara_rule behavioral2/memory/4208-6-0x0000000010000000-0x00000000101B6000-memory.dmp family_gh0strat behavioral2/memory/4208-7-0x0000000010000000-0x00000000101B6000-memory.dmp family_gh0strat behavioral2/memory/4208-10-0x0000000010000000-0x00000000101B6000-memory.dmp family_gh0strat behavioral2/memory/3820-15-0x0000000010000000-0x00000000101B6000-memory.dmp family_gh0strat behavioral2/memory/3820-16-0x0000000010000000-0x00000000101B6000-memory.dmp family_gh0strat behavioral2/memory/3820-17-0x0000000010000000-0x00000000101B6000-memory.dmp family_gh0strat behavioral2/memory/3820-34-0x0000000010000000-0x00000000101B6000-memory.dmp family_gh0strat behavioral2/memory/2536-35-0x0000000010000000-0x00000000101B6000-memory.dmp family_gh0strat behavioral2/memory/2536-51-0x0000000010000000-0x00000000101B6000-memory.dmp family_gh0strat behavioral2/memory/2536-71-0x0000000010000000-0x00000000101B6000-memory.dmp family_gh0strat behavioral2/memory/2536-73-0x0000000010000000-0x00000000101B6000-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 3 IoCs
pid Process 4208 RVN.exe 3820 TXPlatforn.exe 2536 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/4208-4-0x0000000010000000-0x00000000101B6000-memory.dmp upx behavioral2/memory/4208-6-0x0000000010000000-0x00000000101B6000-memory.dmp upx behavioral2/memory/4208-7-0x0000000010000000-0x00000000101B6000-memory.dmp upx behavioral2/memory/4208-10-0x0000000010000000-0x00000000101B6000-memory.dmp upx behavioral2/memory/3820-13-0x0000000010000000-0x00000000101B6000-memory.dmp upx behavioral2/memory/3820-15-0x0000000010000000-0x00000000101B6000-memory.dmp upx behavioral2/memory/3820-16-0x0000000010000000-0x00000000101B6000-memory.dmp upx behavioral2/memory/3820-17-0x0000000010000000-0x00000000101B6000-memory.dmp upx behavioral2/memory/3820-34-0x0000000010000000-0x00000000101B6000-memory.dmp upx behavioral2/memory/2536-35-0x0000000010000000-0x00000000101B6000-memory.dmp upx behavioral2/memory/2536-51-0x0000000010000000-0x00000000101B6000-memory.dmp upx behavioral2/memory/2536-71-0x0000000010000000-0x00000000101B6000-memory.dmp upx behavioral2/memory/2536-73-0x0000000010000000-0x00000000101B6000-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 f3393c9f0473580a1185c734d464dca2514ce1e58ac6e857251e86d8e0d49696N.exe File opened for modification C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroRd32.exe f3393c9f0473580a1185c734d464dca2514ce1e58ac6e857251e86d8e0d49696N.exe File opened for modification C:\Program Files\Mozilla Firefox\firefox.exe f3393c9f0473580a1185c734d464dca2514ce1e58ac6e857251e86d8e0d49696N.exe File created C:\Program Files (x86)\Google\Chrome\Application\chrome.exe f3393c9f0473580a1185c734d464dca2514ce1e58ac6e857251e86d8e0d49696N.exe File opened for modification C:\Program Files\VideoLAN\VLC\vlc.exe f3393c9f0473580a1185c734d464dca2514ce1e58ac6e857251e86d8e0d49696N.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 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 Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language f3393c9f0473580a1185c734d464dca2514ce1e58ac6e857251e86d8e0d49696N.exe -
System Network Configuration Discovery: Internet Connection Discovery 1 TTPs 2 IoCs
Adversaries may check for Internet connectivity on compromised systems.
pid Process 1116 cmd.exe 4740 PING.EXE -
Runs ping.exe 1 TTPs 1 IoCs
pid Process 4740 PING.EXE -
Suspicious behavior: LoadsDriver 1 IoCs
pid Process 2536 TXPlatforn.exe -
Suspicious use of AdjustPrivilegeToken 4 IoCs
description pid Process Token: SeIncBasePriorityPrivilege 4208 RVN.exe Token: SeLoadDriverPrivilege 2536 TXPlatforn.exe Token: 33 2536 TXPlatforn.exe Token: SeIncBasePriorityPrivilege 2536 TXPlatforn.exe -
Suspicious use of SetWindowsHookEx 2 IoCs
pid Process 2552 f3393c9f0473580a1185c734d464dca2514ce1e58ac6e857251e86d8e0d49696N.exe 2552 f3393c9f0473580a1185c734d464dca2514ce1e58ac6e857251e86d8e0d49696N.exe -
Suspicious use of WriteProcessMemory 12 IoCs
description pid Process procid_target PID 2552 wrote to memory of 4208 2552 f3393c9f0473580a1185c734d464dca2514ce1e58ac6e857251e86d8e0d49696N.exe 82 PID 2552 wrote to memory of 4208 2552 f3393c9f0473580a1185c734d464dca2514ce1e58ac6e857251e86d8e0d49696N.exe 82 PID 2552 wrote to memory of 4208 2552 f3393c9f0473580a1185c734d464dca2514ce1e58ac6e857251e86d8e0d49696N.exe 82 PID 4208 wrote to memory of 1116 4208 RVN.exe 84 PID 4208 wrote to memory of 1116 4208 RVN.exe 84 PID 4208 wrote to memory of 1116 4208 RVN.exe 84 PID 3820 wrote to memory of 2536 3820 TXPlatforn.exe 85 PID 3820 wrote to memory of 2536 3820 TXPlatforn.exe 85 PID 3820 wrote to memory of 2536 3820 TXPlatforn.exe 85 PID 1116 wrote to memory of 4740 1116 cmd.exe 87 PID 1116 wrote to memory of 4740 1116 cmd.exe 87 PID 1116 wrote to memory of 4740 1116 cmd.exe 87
Processes
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C:\Users\Admin\AppData\Local\Temp\f3393c9f0473580a1185c734d464dca2514ce1e58ac6e857251e86d8e0d49696N.exe"C:\Users\Admin\AppData\Local\Temp\f3393c9f0473580a1185c734d464dca2514ce1e58ac6e857251e86d8e0d49696N.exe"1⤵
- Drops file in Program Files directory
- System Location Discovery: System Language Discovery
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:2552 -
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:4208 -
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:1116 -
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:4740
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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:3820 -
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:2536
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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
MD5066c58fbde7baca08eabe26d1d625360
SHA1e2661bac4380214c5748f20fcf1b7c2f400c9593
SHA256f3393c9f0473580a1185c734d464dca2514ce1e58ac6e857251e86d8e0d49696
SHA5128d4527d7bf94f77fc9c054381bf98600d48709c166e7bf2634e49a72d8809cfffa73706f42b2cf33c19d293805671dd574bd4785f968d4b5ead7ef8775bcd0a9
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Filesize
377KB
MD580ade1893dec9cab7f2e63538a464fcc
SHA1c06614da33a65eddb506db00a124a3fc3f5be02e
SHA25657a920389c044e3f5cf93dabff67070b4511e79779b6f874e08f92d8b0d7afbd
SHA512fffd4f3fccb5301b3c7a5b3bd92747f31549fbd9d0803fe5d502d1bb0ef979140988718c2ee1406ed3e755790d275185e120a56cbcb5ed2eadf62b5cdbfc4cc4