Analysis
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max time kernel
145s -
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
18/12/2024, 10:09
Static task
static1
Behavioral task
behavioral1
Sample
488c708075c661a93d60f9d6c0f580b7f2fd739e0ffb94c758e5368e9944c3a0.exe
Resource
win7-20240903-en
General
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Target
488c708075c661a93d60f9d6c0f580b7f2fd739e0ffb94c758e5368e9944c3a0.exe
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Size
1.3MB
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MD5
7c392a04ffcc6b64572befc69c2bb977
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SHA1
3a50a6d40070a94d69065adb2992d60d35d14c45
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SHA256
488c708075c661a93d60f9d6c0f580b7f2fd739e0ffb94c758e5368e9944c3a0
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SHA512
b82150b5350604007185929bf3a06b8d3641ca4850aff3b70fc69ee314ecb79774ec9bb246f7fd56c4ce60b39f68ed92e8421a9df67c3d22ac3fbe8868fa551a
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SSDEEP
24576:dOyHutimZ9VSly2hVvHW6qMnSbTBBhBMNx:QHPkVOBTK
Malware Config
Signatures
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resource yara_rule behavioral2/memory/408-0-0x0000000010000000-0x000000001019F000-memory.dmp purplefox_rootkit behavioral2/memory/1080-18-0x0000000010000000-0x000000001019F000-memory.dmp purplefox_rootkit behavioral2/memory/5008-11-0x0000000010000000-0x000000001019F000-memory.dmp purplefox_rootkit -
Gh0st RAT payload 3 IoCs
resource yara_rule behavioral2/memory/408-0-0x0000000010000000-0x000000001019F000-memory.dmp family_gh0strat behavioral2/memory/1080-18-0x0000000010000000-0x000000001019F000-memory.dmp family_gh0strat behavioral2/memory/5008-11-0x0000000010000000-0x000000001019F000-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 ÓãÃÅ.kx -
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" ÓãÃÅ.kx -
Executes dropped EXE 2 IoCs
pid Process 5008 ÓãÃÅ.kx 1080 ÓãÃÅ.kx -
Drops file in System32 directory 2 IoCs
description ioc Process File created C:\Windows\SysWOW64\ÓãÃÅ.kx 488c708075c661a93d60f9d6c0f580b7f2fd739e0ffb94c758e5368e9944c3a0.exe File opened for modification C:\Windows\SysWOW64\ÓãÃÅ.kx 488c708075c661a93d60f9d6c0f580b7f2fd739e0ffb94c758e5368e9944c3a0.exe -
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 ÓãÃÅ.kx 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 488c708075c661a93d60f9d6c0f580b7f2fd739e0ffb94c758e5368e9944c3a0.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language ÓãÃÅ.kx -
System Network Configuration Discovery: Internet Connection Discovery 1 TTPs 2 IoCs
Adversaries may check for Internet connectivity on compromised systems.
pid Process 4196 PING.EXE 4844 cmd.exe -
Runs ping.exe 1 TTPs 1 IoCs
pid Process 4196 PING.EXE -
Suspicious behavior: LoadsDriver 1 IoCs
pid Process 1080 ÓãÃÅ.kx -
Suspicious use of AdjustPrivilegeToken 6 IoCs
description pid Process Token: SeIncBasePriorityPrivilege 408 488c708075c661a93d60f9d6c0f580b7f2fd739e0ffb94c758e5368e9944c3a0.exe Token: SeLoadDriverPrivilege 1080 ÓãÃÅ.kx Token: 33 1080 ÓãÃÅ.kx Token: SeIncBasePriorityPrivilege 1080 ÓãÃÅ.kx Token: 33 1080 ÓãÃÅ.kx Token: SeIncBasePriorityPrivilege 1080 ÓãÃÅ.kx -
Suspicious use of WriteProcessMemory 9 IoCs
description pid Process procid_target PID 408 wrote to memory of 4844 408 488c708075c661a93d60f9d6c0f580b7f2fd739e0ffb94c758e5368e9944c3a0.exe 84 PID 408 wrote to memory of 4844 408 488c708075c661a93d60f9d6c0f580b7f2fd739e0ffb94c758e5368e9944c3a0.exe 84 PID 408 wrote to memory of 4844 408 488c708075c661a93d60f9d6c0f580b7f2fd739e0ffb94c758e5368e9944c3a0.exe 84 PID 5008 wrote to memory of 1080 5008 ÓãÃÅ.kx 86 PID 5008 wrote to memory of 1080 5008 ÓãÃÅ.kx 86 PID 5008 wrote to memory of 1080 5008 ÓãÃÅ.kx 86 PID 4844 wrote to memory of 4196 4844 cmd.exe 87 PID 4844 wrote to memory of 4196 4844 cmd.exe 87 PID 4844 wrote to memory of 4196 4844 cmd.exe 87
Processes
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C:\Users\Admin\AppData\Local\Temp\488c708075c661a93d60f9d6c0f580b7f2fd739e0ffb94c758e5368e9944c3a0.exe"C:\Users\Admin\AppData\Local\Temp\488c708075c661a93d60f9d6c0f580b7f2fd739e0ffb94c758e5368e9944c3a0.exe"1⤵
- Drops file in System32 directory
- System Location Discovery: System Language Discovery
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:408 -
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\488C70~1.EXE > nul2⤵
- System Location Discovery: System Language Discovery
- System Network Configuration Discovery: Internet Connection Discovery
- Suspicious use of WriteProcessMemory
PID:4844 -
C:\Windows\SysWOW64\PING.EXEping -n 2 127.0.0.13⤵
- System Location Discovery: System Language Discovery
- System Network Configuration Discovery: Internet Connection Discovery
- Runs ping.exe
PID:4196
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C:\Windows\SysWOW64\ÓãÃÅ.kxC:\Windows\SysWOW64\ÓãÃÅ.kx -auto1⤵
- Executes dropped EXE
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:5008 -
C:\Windows\SysWOW64\ÓãÃÅ.kxC:\Windows\SysWOW64\ÓãÃÅ.kx -acsi2⤵
- Drops file in Drivers directory
- Sets service image path in registry
- Executes dropped EXE
- System Location Discovery: System Language Discovery
- Suspicious behavior: LoadsDriver
- Suspicious use of AdjustPrivilegeToken
PID:1080
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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
6.3MB
MD595018f823dbdd942e5f27d272dd10f95
SHA1f03fe7616134bfba186b124d18c0168075d3642b
SHA256af68c5b83a43fa14b03e16e39f721508a2cab845769a51e3705a6352705d1af8
SHA512e14bebaec64dfea1c34908e53fe1c6265bcbd96b5d9ec8eef8124463628e21e94895e03a327a19941a6d45e2f4868d0bce1605b491f64ac5e9e9001ffcff4c38