Analysis
-
max time kernel
146s -
max time network
150s -
platform
windows7_x64 -
resource
win7-20240903-en -
resource tags
arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system -
submitted
18-12-2024 10:14
Static task
static1
Behavioral task
behavioral1
Sample
af68c5b83a43fa14b03e16e39f721508a2cab845769a51e3705a6352705d1af8.exe
Resource
win7-20240903-en
General
-
Target
af68c5b83a43fa14b03e16e39f721508a2cab845769a51e3705a6352705d1af8.exe
-
Size
6.3MB
-
MD5
95018f823dbdd942e5f27d272dd10f95
-
SHA1
f03fe7616134bfba186b124d18c0168075d3642b
-
SHA256
af68c5b83a43fa14b03e16e39f721508a2cab845769a51e3705a6352705d1af8
-
SHA512
e14bebaec64dfea1c34908e53fe1c6265bcbd96b5d9ec8eef8124463628e21e94895e03a327a19941a6d45e2f4868d0bce1605b491f64ac5e9e9001ffcff4c38
-
SSDEEP
24576:dOyHutimZ9VSly2hVvHW6qMnSbTBBhBMNxI:QHPkVOBTKK
Malware Config
Signatures
-
resource yara_rule behavioral1/memory/2196-0-0x0000000010000000-0x000000001019F000-memory.dmp purplefox_rootkit behavioral1/memory/2384-19-0x0000000010000000-0x000000001019F000-memory.dmp purplefox_rootkit -
Gh0st RAT payload 2 IoCs
resource yara_rule behavioral1/memory/2196-0-0x0000000010000000-0x000000001019F000-memory.dmp family_gh0strat behavioral1/memory/2384-19-0x0000000010000000-0x000000001019F000-memory.dmp family_gh0strat -
Gh0strat family
-
Purplefox family
-
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 -
Deletes itself 1 IoCs
pid Process 2784 cmd.exe -
Executes dropped EXE 2 IoCs
pid Process 2808 ÓãÃÅ.kx 2384 ÓãÃÅ.kx -
Loads dropped DLL 1 IoCs
pid Process 2808 ÓãÃÅ.kx -
Drops file in System32 directory 2 IoCs
description ioc Process File created C:\Windows\SysWOW64\ÓãÃÅ.kx af68c5b83a43fa14b03e16e39f721508a2cab845769a51e3705a6352705d1af8.exe File opened for modification C:\Windows\SysWOW64\ÓãÃÅ.kx af68c5b83a43fa14b03e16e39f721508a2cab845769a51e3705a6352705d1af8.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 af68c5b83a43fa14b03e16e39f721508a2cab845769a51e3705a6352705d1af8.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language ÓãÃÅ.kx 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 -
System Network Configuration Discovery: Internet Connection Discovery 1 TTPs 2 IoCs
Adversaries may check for Internet connectivity on compromised systems.
pid Process 2784 cmd.exe 2616 PING.EXE -
Runs ping.exe 1 TTPs 1 IoCs
pid Process 2616 PING.EXE -
Suspicious behavior: LoadsDriver 1 IoCs
pid Process 2384 ÓãÃÅ.kx -
Suspicious use of AdjustPrivilegeToken 6 IoCs
description pid Process Token: SeIncBasePriorityPrivilege 2196 af68c5b83a43fa14b03e16e39f721508a2cab845769a51e3705a6352705d1af8.exe Token: SeLoadDriverPrivilege 2384 ÓãÃÅ.kx Token: 33 2384 ÓãÃÅ.kx Token: SeIncBasePriorityPrivilege 2384 ÓãÃÅ.kx Token: 33 2384 ÓãÃÅ.kx Token: SeIncBasePriorityPrivilege 2384 ÓãÃÅ.kx -
Suspicious use of WriteProcessMemory 12 IoCs
description pid Process procid_target PID 2196 wrote to memory of 2784 2196 af68c5b83a43fa14b03e16e39f721508a2cab845769a51e3705a6352705d1af8.exe 32 PID 2196 wrote to memory of 2784 2196 af68c5b83a43fa14b03e16e39f721508a2cab845769a51e3705a6352705d1af8.exe 32 PID 2196 wrote to memory of 2784 2196 af68c5b83a43fa14b03e16e39f721508a2cab845769a51e3705a6352705d1af8.exe 32 PID 2196 wrote to memory of 2784 2196 af68c5b83a43fa14b03e16e39f721508a2cab845769a51e3705a6352705d1af8.exe 32 PID 2808 wrote to memory of 2384 2808 ÓãÃÅ.kx 34 PID 2808 wrote to memory of 2384 2808 ÓãÃÅ.kx 34 PID 2808 wrote to memory of 2384 2808 ÓãÃÅ.kx 34 PID 2808 wrote to memory of 2384 2808 ÓãÃÅ.kx 34 PID 2784 wrote to memory of 2616 2784 cmd.exe 35 PID 2784 wrote to memory of 2616 2784 cmd.exe 35 PID 2784 wrote to memory of 2616 2784 cmd.exe 35 PID 2784 wrote to memory of 2616 2784 cmd.exe 35
Processes
-
C:\Users\Admin\AppData\Local\Temp\af68c5b83a43fa14b03e16e39f721508a2cab845769a51e3705a6352705d1af8.exe"C:\Users\Admin\AppData\Local\Temp\af68c5b83a43fa14b03e16e39f721508a2cab845769a51e3705a6352705d1af8.exe"1⤵
- Drops file in System32 directory
- System Location Discovery: System Language Discovery
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2196 -
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\AF68C5~1.EXE > nul2⤵
- Deletes itself
- System Location Discovery: System Language Discovery
- System Network Configuration Discovery: Internet Connection Discovery
- Suspicious use of WriteProcessMemory
PID:2784 -
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:2616
-
-
-
C:\Windows\SysWOW64\ÓãÃÅ.kxC:\Windows\SysWOW64\ÓãÃÅ.kx -auto1⤵
- Executes dropped EXE
- Loads dropped DLL
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2808 -
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:2384
-
Network
MITRE ATT&CK Enterprise v15
Privilege Escalation
Boot or Logon Autostart Execution
1Registry Run Keys / Startup Folder
1Replay Monitor
Loading Replay Monitor...
Downloads
-
Filesize
6.3MB
MD595018f823dbdd942e5f27d272dd10f95
SHA1f03fe7616134bfba186b124d18c0168075d3642b
SHA256af68c5b83a43fa14b03e16e39f721508a2cab845769a51e3705a6352705d1af8
SHA512e14bebaec64dfea1c34908e53fe1c6265bcbd96b5d9ec8eef8124463628e21e94895e03a327a19941a6d45e2f4868d0bce1605b491f64ac5e9e9001ffcff4c38