General

  • Target
    Client-built.exe
  • Size 1.8MB
  • Sample260922-qd47tsfa86
  • SHA256 936faed38fa85f481995a37af7963be3408970718464d52a6c1c498c1e01d6f2
  • MD5 SHA1 SHA512 SSDEEP TLSH

Malware Config

Extracted

Family
  • quasar

Version
  • 1.7.3

Botnet
  • DDR7

C2
  • DDR7-48221.portmap.host:48221

Mutex
  • 43cc31a6-a437-492a-bf75-0ae5e4101ed8

Attributes
  • encryption_key

    092A616347D3F0556BE769D540C41D6DDDEB17ED

  • install_name

    ram.exe

  • key_salt

    5a23f8394640cb9e40658446a04c0bbae82dc93d0470e1b2a406a90fd2520382

  • log_directory

    Logs

  • reconnect_delay

    3000

  • startup_key

    DDR7

  • subdirectory

    DDR7

Signatures

  • Family: Quasar RAT

    Quasar is an open source Remote Access Tool.

  • PulsaRAT library module 1 IoCs

    Core component of the PulsaRAT remote access trojan, implementing its command protocol for hidden remote desktop, UAC bypass, persistence, and credential theft.

  • Quasar payload 1 IoCs
  • Unsigned PE 18 IoCs

    Checks for missing Authenticode signature.

File Explorer

  • Client-built.exe
    .exe 1.8MB
  • aforge.dll
    .dll 17KB
  • aforge.video.directshow.dll
    .dll 60KB
  • aforge.video.dll
    .dll 20KB
  • gma.system.mousekeyhook.dll
    .dll 56KB
  • messagepack.annotations.dll
    .dll 18KB
  • messagepack.dll
    .dll 368KB
  • naudio.core.dll
    .dll 183KB
  • naudio.wasapi.dll
    .dll 175KB
  • naudio.winforms.dll
    .dll 40KB
  • naudio.winmm.dll
    .dll 56KB
  • pulsar.common.dll
    .dll 152KB
  • sharpdx.d3dcompiler.dll
    .dll 57KB
  • sharpdx.d3dcompiler.pdb
    21KB
  • sharpdx.direct2d1.dll
    .dll 484KB
  • sharpdx.direct2d1.pdb
    209KB
  • sharpdx.direct3d11.dll
    .dll 276KB
  • sharpdx.direct3d11.pdb
    76KB
  • sharpdx.dll
    .dll 268KB
  • sharpdx.dxgi.dll
    .dll 145KB
  • sharpdx.dxgi.pdb
    33KB
  • sharpdx.mathematics.dll
    .dll 210KB
  • sharpdx.mathematics.pdb
    93KB
  • sharpdx.pdb
    41KB
  • system.buffers.dll
    .dll 20KB
  • system.collections.immutable.dll
    .dll 246KB
  • system.memory.dll
    .dll 138KB
  • system.numerics.vectors.dll
    .dll 113KB
  • system.runtime.compilerservices.unsafe.dll
    .dll 18KB
  • system.threading.tasks.extensions.dll
    .dll 25KB

Client-built.exe

  • IMPHASH f34d5f2d4577ed6d9ceec516c1f5a744
  • SHA256 936faed38fa85f481995a37af7963be3408970718464d52a6c1c498c1e01d6f2
  • MD5 SHA1 SHA512 SSDEEP TLSH
  • Quasar payload

  • Unsigned PE

    Checks for missing Authenticode signature.

Password
infected
Minor OS version
0
Major OS version
4
Entry point
1872462
Magic Number
267
Subsystem
IMAGE_SUBSYSTEM_WINDOWS_GUI
DLL Characteristics
IMAGE_DLLCHARACTERISTICS_HIGH_ENTROPY_VA 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_LARGE_ADDRESS_AWARE IMAGE_FILE_32BIT_MACHINE
PDB paths