Analysis

  • max time kernel
    149s
  • max time network
    148s
  • platform
    windows10_x64
  • resource
    win10v20201028
  • submitted
    08-04-2021 08:10

General

  • Target

    c4cd874423d9026b16b370d5fa812471.exe

  • Size

    637KB

  • MD5

    c4cd874423d9026b16b370d5fa812471

  • SHA1

    b1c514708b9611056cce378a8c7d8f2b12e4e8df

  • SHA256

    0a049a6f200348e229ebaa13728cd0d19de4839c741d4faec3dd64207860153d

  • SHA512

    ba5a92674f30bbcb2c4f4552bebb6f226da9ceb5a67d8692d3615353c85a241d9c501732e83b0825f59c6bf272df5cdb66f67136d89fe7f9898b20c018d3f501

Malware Config

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 WriteProcessMemory 15 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\c4cd874423d9026b16b370d5fa812471.exe
    "C:\Users\Admin\AppData\Local\Temp\c4cd874423d9026b16b370d5fa812471.exe"
    1⤵
    • Adds Run key to start application
    • Suspicious use of WriteProcessMemory
    PID:2436
    • C:\Program Files (x86)\internet explorer\ieinstal.exe
      "C:\Program Files (x86)\internet explorer\ieinstal.exe"
      2⤵
        PID:4036

    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/2436-114-0x00000000004C0000-0x00000000004C1000-memory.dmp
      Filesize

      4KB

    • memory/2436-116-0x0000000002380000-0x000000000239A000-memory.dmp
      Filesize

      104KB

    • memory/4036-119-0x0000000000000000-mapping.dmp
    • memory/4036-120-0x0000000000B90000-0x0000000000B91000-memory.dmp
      Filesize

      4KB

    • memory/4036-122-0x0000000000BC0000-0x0000000000BC1000-memory.dmp
      Filesize

      4KB

    • memory/4036-123-0x0000000010590000-0x000000001060C000-memory.dmp
      Filesize

      496KB

    • memory/4036-124-0x0000000000AD0000-0x0000000000AD1000-memory.dmp
      Filesize

      4KB

    • memory/4036-125-0x0000000000CA0000-0x0000000000DEA000-memory.dmp
      Filesize

      1.3MB