Analysis

  • max time kernel
    150s
  • max time network
    151s
  • platform
    windows7_x64
  • resource
    win7v20201028
  • submitted
    15-02-2021 15:21

General

  • Target

    Purchase Order 5390.exe

  • Size

    439KB

  • MD5

    09ee0caf424df3b1070a23913fe3d016

  • SHA1

    75edbc9eff06d5d15c907338c24ed6c2fcf58d61

  • SHA256

    2732029a466cf6c066f468d43b058d2ccda9d0681f73e22f091bd2cf6372c9b1

  • SHA512

    0d996f5ed0748fd8322ff7adbacd54f7b0f66f0b8d5944ab42eb2a5166e00aef074155f00a45cc00f8d576f2e87071a68c8ec111cf07b5477c77b94448519f87

Malware Config

Extracted

Family

agenttesla

C2

https://api.telegram.org/bot1463238323:AAGtI1JM_Kj38d1Y2cvi15DJ_j42pVQvMNI/sendDocument

Signatures

  • AgentTesla

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

  • AgentTesla Payload 3 IoCs
  • Suspicious use of SetThreadContext 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 2 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of WriteProcessMemory 9 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\Purchase Order 5390.exe
    "C:\Users\Admin\AppData\Local\Temp\Purchase Order 5390.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious use of WriteProcessMemory
    PID:1924
    • C:\Users\Admin\AppData\Local\Temp\Purchase Order 5390.exe
      "C:\Users\Admin\AppData\Local\Temp\Purchase Order 5390.exe"
      2⤵
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:432

Network

MITRE ATT&CK Matrix

Replay Monitor

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Downloads

  • memory/432-9-0x000000000043771E-mapping.dmp

  • memory/432-8-0x0000000000400000-0x000000000043C000-memory.dmp

    Filesize

    240KB

  • memory/432-10-0x00000000742C0000-0x00000000749AE000-memory.dmp

    Filesize

    6.9MB

  • memory/432-11-0x0000000000400000-0x000000000043C000-memory.dmp

    Filesize

    240KB

  • memory/432-13-0x0000000004880000-0x0000000004881000-memory.dmp

    Filesize

    4KB

  • memory/1924-2-0x00000000742C0000-0x00000000749AE000-memory.dmp

    Filesize

    6.9MB

  • memory/1924-3-0x0000000001060000-0x0000000001061000-memory.dmp

    Filesize

    4KB

  • memory/1924-5-0x0000000000360000-0x0000000000364000-memory.dmp

    Filesize

    16KB

  • memory/1924-6-0x0000000004D50000-0x0000000004D51000-memory.dmp

    Filesize

    4KB

  • memory/1924-7-0x00000000051B0000-0x0000000005215000-memory.dmp

    Filesize

    404KB