Analysis

  • max time kernel
    133s
  • max time network
    38s
  • platform
    windows7_x64
  • resource
    win7v20210408
  • submitted
    22-04-2021 05:48

General

  • Target

    IMG_001 IMG_SCAN.JPG.exe

  • Size

    596KB

  • MD5

    045cb3d182ab7b7b92ede2e554ae9398

  • SHA1

    47a33a9ccfbdfa44af54d1a2bccfae1dd4dea428

  • SHA256

    9b3e4327c19bd28f38df34eaceef8611d9268cf95aea1fd2a026b26e57ca5ab4

  • SHA512

    9517c57eee3172d906cab3b5b073904659f676ce305a3368e7cf1a6c621c61d671720ac010f1cd9c54ed7786daca0ab5f08d8811099138f53bbe5e1673f2e1f5

Malware Config

Extracted

Family

agenttesla

C2

https://api.telegram.org/bot1652586889:AAH8lHbzvtT4QjX1_-3uSZQlT1RC65TAqMU/sendDocument

Signatures

  • AgentTesla

    Agent Tesla is a remote access tool (RAT) written in visual basic.

  • AgentTesla Payload 3 IoCs
  • Adds Run key to start application 2 TTPs 1 IoCs
  • Suspicious use of SetThreadContext 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 4 IoCs
  • Suspicious use of AdjustPrivilegeToken 2 IoCs
  • Suspicious use of WriteProcessMemory 9 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\IMG_001 IMG_SCAN.JPG.exe
    "C:\Users\Admin\AppData\Local\Temp\IMG_001 IMG_SCAN.JPG.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:1920
    • C:\Users\Admin\AppData\Local\Temp\IMG_001 IMG_SCAN.JPG.exe
      "C:\Users\Admin\AppData\Local\Temp\IMG_001 IMG_SCAN.JPG.exe"
      2⤵
      • Adds Run key to start application
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:780

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

Loading Replay Monitor...

Downloads

  • memory/780-67-0x0000000000400000-0x000000000043C000-memory.dmp

    Filesize

    240KB

  • memory/780-68-0x000000000043771E-mapping.dmp

  • memory/780-69-0x0000000000400000-0x000000000043C000-memory.dmp

    Filesize

    240KB

  • memory/780-71-0x0000000000470000-0x0000000000471000-memory.dmp

    Filesize

    4KB

  • memory/1920-60-0x00000000009E0000-0x00000000009E1000-memory.dmp

    Filesize

    4KB

  • memory/1920-62-0x0000000000980000-0x0000000000981000-memory.dmp

    Filesize

    4KB

  • memory/1920-63-0x00000000009D0000-0x00000000009D9000-memory.dmp

    Filesize

    36KB

  • memory/1920-64-0x000000007EF40000-0x000000007EF41000-memory.dmp

    Filesize

    4KB

  • memory/1920-65-0x0000000004FA0000-0x0000000005015000-memory.dmp

    Filesize

    468KB

  • memory/1920-66-0x0000000004BE0000-0x0000000004C1C000-memory.dmp

    Filesize

    240KB