Analysis

  • max time kernel
    149s
  • max time network
    149s
  • platform
    windows10_x64
  • resource
    win10v20210408
  • submitted
    04-05-2021 18:58

General

  • Target

    44e5fe5565bbbc560978e09da29a61a8c279e416f41e0d10455d4f497d041192.bin.exe

  • Size

    804KB

  • MD5

    9133b63a86469eca3f5505abfb5af728

  • SHA1

    83c1c421e725c4d4b4cb828fb7046a5fd1bb7672

  • SHA256

    44e5fe5565bbbc560978e09da29a61a8c279e416f41e0d10455d4f497d041192

  • SHA512

    e5ebceef4dbcd135c4af4bc5f9e589ad1df59a47623e7871e4cc223c81d4d41adce76a2c1948b4388c5904e7edf467135400a36f3c1a1493d921c78b87e2e113

Malware Config

Extracted

Family

remcos

C2

style.ptbagasps.co.id:42024

Signatures

  • ModiLoader, DBatLoader

    ModiLoader is a Delphi loader that misuses cloud services to download other malicious families.

  • Remcos

    Remcos is a closed-source remote control and surveillance software.

  • Adds Run key to start application 2 TTPs 1 IoCs
  • Suspicious use of SetThreadContext 1 IoCs
  • Suspicious use of SetWindowsHookEx 1 IoCs
  • Suspicious use of WriteProcessMemory 5 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\44e5fe5565bbbc560978e09da29a61a8c279e416f41e0d10455d4f497d041192.bin.exe
    "C:\Users\Admin\AppData\Local\Temp\44e5fe5565bbbc560978e09da29a61a8c279e416f41e0d10455d4f497d041192.bin.exe"
    1⤵
    • Adds Run key to start application
    • Suspicious use of SetThreadContext
    • Suspicious use of WriteProcessMemory
    PID:708
    • C:\Program Files (x86)\internet explorer\ieinstal.exe
      "C:\Program Files (x86)\internet explorer\ieinstal.exe"
      2⤵
      • Suspicious use of SetWindowsHookEx
      PID:3040

Network

MITRE ATT&CK Matrix ATT&CK v6

Persistence

Registry Run Keys / Startup Folder

1
T1060

Defense Evasion

Modify Registry

1
T1112

Replay Monitor

Loading Replay Monitor...

Downloads

  • memory/708-114-0x00000000004E0000-0x000000000062A000-memory.dmp
    Filesize

    1.3MB

  • memory/708-116-0x00000000024C0000-0x00000000024DA000-memory.dmp
    Filesize

    104KB

  • memory/3040-119-0x0000000000400000-0x0000000000478000-memory.dmp
    Filesize

    480KB

  • memory/3040-120-0x000000000042EEEF-mapping.dmp
  • memory/3040-123-0x0000000000400000-0x0000000000478000-memory.dmp
    Filesize

    480KB