General

  • Target
    PrismaClient.exe
  • Size 5.3MB
  • Sample261101-cf4r7asscw
  • SHA256 e35919f0d1eaf55b42c9a6278eb1be58502b8f88907e6c78b068eb32d9ebd715
  • MD5 SHA1 SHA512 SSDEEP TLSH

Malware Config

Extracted

Family
  • quasar

Version
  • 1.0.0

Botnet
  • Office04

C2
  • bore.pub:48248

Mutex
  • 2b550e0c-0409-42d2-a39d-1f28b079235c

Attributes
  • encryption_key

    112EF928451E2D8E49CBF356E45023F162738F78

  • install_name

    Client.exe

  • key_salt

    bfeb1e56fbcd973bb219022430a57843003d5644d21e62b9d4f180e7e6c33941

  • log_directory

    Logs

  • reconnect_delay

    3000

  • startup_key

    Prisma Client Startup

  • subdirectory

    SubDir

Signatures

  • Family: Quasar RAT

    Quasar is an open source Remote Access Tool.

  • Quasar payload 1 IoCs
  • Unsigned PE 1 IoCs

    Checks for missing Authenticode signature.

File Explorer

  • PrismaClient.exe
    .exe 5.3MB

PrismaClient.exe

  • IMPHASH f34d5f2d4577ed6d9ceec516c1f5a744
  • SHA256 e35919f0d1eaf55b42c9a6278eb1be58502b8f88907e6c78b068eb32d9ebd715
  • MD5 SHA1 SHA512 SSDEEP TLSH
  • Quasar payload

  • Unsigned PE

    Checks for missing Authenticode signature.

Minor OS version
0
Major OS version
4
Entry point
5568446
Magic Number
267
Subsystem
IMAGE_SUBSYSTEM_WINDOWS_GUI
DLL Characteristics
IMAGE_DLLCHARACTERISTICS_DYNAMIC_BASE IMAGE_DLLCHARACTERISTICS_NX_COMPAT IMAGE_DLLCHARACTERISTICS_NO_SEH IMAGE_DLLCHARACTERISTICS_TERMINAL_SERVER_AWARE
File Characteristics
IMAGE_FILE_EXECUTABLE_IMAGE IMAGE_FILE_32BIT_MACHINE
PDB paths