gh0strat

General

Target

ac8bd683789d6db878e85696e43346bc92d468e4524a1aa0ae319975d6dd2c72
Size

8.5MB
Sample

240526-fxmrsagc3y
MD5

0f67cc2e42069cb24164a7c3a2b3e9cd
SHA1

686c7573dceba02a5e49327521dcb7134c809225
SHA256

ac8bd683789d6db878e85696e43346bc92d468e4524a1aa0ae319975d6dd2c72
SHA512

adc182784d20037b4aff44592bad44139a6bc60cd7da0e96bf456ee32f8503b708fe4dec98f65bf7037e8cc91ef595837b2ea695989618005081ad9470c25a3b
SSDEEP

196608:DWT9nO7MzOJRCsU3lHOYhE0dutEcKEmmI1nzH59a3K2ZXVVoVeB:Z7EO3xatvE05EW1zH5V2ZFVoVeB

Score

10^/10

Malware Config

Targets

- Target
  
  ac8bd683789d6db878e85696e43346bc92d468e4524a1aa0ae319975d6dd2c72
- Size
  
  8.5MB
- MD5
  
  0f67cc2e42069cb24164a7c3a2b3e9cd
- SHA1
  
  686c7573dceba02a5e49327521dcb7134c809225
- SHA256
  
  ac8bd683789d6db878e85696e43346bc92d468e4524a1aa0ae319975d6dd2c72
- SHA512
  
  adc182784d20037b4aff44592bad44139a6bc60cd7da0e96bf456ee32f8503b708fe4dec98f65bf7037e8cc91ef595837b2ea695989618005081ad9470c25a3b
- SSDEEP
  
  196608:DWT9nO7MzOJRCsU3lHOYhE0dutEcKEmmI1nzH59a3K2ZXVVoVeB:Z7EO3xatvE05EW1zH5V2ZFVoVeB
Score

10^/10

gh0strat purplefox bootkit evasion persistence rat rootkit trojan upx
- Detect PurpleFox Rootkit
  Detect PurpleFox Rootkit.
  rootkit
- Gh0st RAT payload
- Gh0strat
  Gh0st RAT is a remote access tool (RAT) with its source code public and it has been used by multiple Chinese groups.
  rat gh0strat
- PurpleFox
  PurpleFox is an exploit kit used to distribute other malware families and first seen in 2018.
  rootkit trojan purplefox
- Identifies VirtualBox via ACPI registry values (likely anti-VM)
  evasion
- Drops file in Drivers directory
- Sets DLL path for service in the registry
  persistence
- Sets service image path in registry
  persistence
- Checks BIOS information in registry
  BIOS information is often read in order to detect sandboxing environments.
- Executes dropped EXE
- Loads dropped DLL
- UPX packed file
  Detects executables packed with UPX/modified UPX open source packer.
  upx
- Checks whether UAC is enabled
  evasion trojan
- Writes to the Master Boot Record (MBR)
  Bootkits write to the MBR to gain persistence at a level below the operating system.
  bootkit persistence
- Drops file in System32 directory
- Suspicious use of NtSetInformationThreadHideFromDebugger
behavioral1 behavioral2