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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
30/12/2024, 15:53
Static task
static1
Behavioral task
behavioral1
Sample
208904cb78de94206b46eca6ad150012b927c95ee9e3b1026888978cd2c3cf6f.exe
Resource
win7-20241010-en
General
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Target
208904cb78de94206b46eca6ad150012b927c95ee9e3b1026888978cd2c3cf6f.exe
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Size
1.3MB
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MD5
ffd46ca04ccb4ace69b9115bc75a8466
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SHA1
c877e6d1e312d5666c749759915381dfe3a0f6dd
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SHA256
208904cb78de94206b46eca6ad150012b927c95ee9e3b1026888978cd2c3cf6f
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SHA512
e7b83abb38139e7b4d3c3d2bddee60faf09b8dd270bdf44ff9802862bc9c14ff7f98c08c54871d80aea05cbc160551b76234b3f50b5068ebfeabca2e5204eb08
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SSDEEP
24576:AOyHutimZ9VSly2hVvHW6qMnSbTBBhBMNEmx:JHPkVOBTKr
Malware Config
Signatures
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resource yara_rule behavioral2/memory/3672-0-0x0000000010000000-0x000000001019F000-memory.dmp purplefox_rootkit behavioral2/memory/4560-10-0x0000000010000000-0x000000001019F000-memory.dmp purplefox_rootkit -
Gh0st RAT payload 2 IoCs
resource yara_rule behavioral2/memory/3672-0-0x0000000010000000-0x000000001019F000-memory.dmp family_gh0strat behavioral2/memory/4560-10-0x0000000010000000-0x000000001019F000-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 Phxph.png -
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" Phxph.png -
Executes dropped EXE 2 IoCs
pid Process 4560 Phxph.png 2148 Phxph.png -
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 208904cb78de94206b46eca6ad150012b927c95ee9e3b1026888978cd2c3cf6f.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language Phxph.png Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language Phxph.png -
System Network Configuration Discovery: Internet Connection Discovery 1 TTPs 2 IoCs
Adversaries may check for Internet connectivity on compromised systems.
pid Process 3164 cmd.exe 2152 PING.EXE -
Runs ping.exe 1 TTPs 1 IoCs
pid Process 2152 PING.EXE -
Suspicious behavior: LoadsDriver 1 IoCs
pid Process 2148 Phxph.png -
Suspicious use of AdjustPrivilegeToken 6 IoCs
description pid Process Token: SeIncBasePriorityPrivilege 3672 208904cb78de94206b46eca6ad150012b927c95ee9e3b1026888978cd2c3cf6f.exe Token: SeLoadDriverPrivilege 2148 Phxph.png Token: 33 2148 Phxph.png Token: SeIncBasePriorityPrivilege 2148 Phxph.png Token: 33 2148 Phxph.png Token: SeIncBasePriorityPrivilege 2148 Phxph.png -
Suspicious use of WriteProcessMemory 9 IoCs
description pid Process procid_target PID 3672 wrote to memory of 3164 3672 208904cb78de94206b46eca6ad150012b927c95ee9e3b1026888978cd2c3cf6f.exe 83 PID 3672 wrote to memory of 3164 3672 208904cb78de94206b46eca6ad150012b927c95ee9e3b1026888978cd2c3cf6f.exe 83 PID 3672 wrote to memory of 3164 3672 208904cb78de94206b46eca6ad150012b927c95ee9e3b1026888978cd2c3cf6f.exe 83 PID 4560 wrote to memory of 2148 4560 Phxph.png 85 PID 4560 wrote to memory of 2148 4560 Phxph.png 85 PID 4560 wrote to memory of 2148 4560 Phxph.png 85 PID 3164 wrote to memory of 2152 3164 cmd.exe 86 PID 3164 wrote to memory of 2152 3164 cmd.exe 86 PID 3164 wrote to memory of 2152 3164 cmd.exe 86
Processes
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C:\Users\Admin\AppData\Local\Temp\208904cb78de94206b46eca6ad150012b927c95ee9e3b1026888978cd2c3cf6f.exe"C:\Users\Admin\AppData\Local\Temp\208904cb78de94206b46eca6ad150012b927c95ee9e3b1026888978cd2c3cf6f.exe"1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:3672 -
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\208904~1.EXE > nul2⤵
- System Location Discovery: System Language Discovery
- System Network Configuration Discovery: Internet Connection Discovery
- Suspicious use of WriteProcessMemory
PID:3164 -
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:2152
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C:\ProgramData\Application Data\DRM\Phxph.png"C:\ProgramData\Application Data\DRM\Phxph.png" -auto1⤵
- Executes dropped EXE
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:4560 -
C:\ProgramData\Application Data\DRM\Phxph.png"C:\ProgramData\Application Data\DRM\Phxph.png" -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:2148
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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
MD5ffd46ca04ccb4ace69b9115bc75a8466
SHA1c877e6d1e312d5666c749759915381dfe3a0f6dd
SHA256208904cb78de94206b46eca6ad150012b927c95ee9e3b1026888978cd2c3cf6f
SHA512e7b83abb38139e7b4d3c3d2bddee60faf09b8dd270bdf44ff9802862bc9c14ff7f98c08c54871d80aea05cbc160551b76234b3f50b5068ebfeabca2e5204eb08