Analysis

  • max time kernel
    164s
  • max time network
    157s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20220414-en
  • submitted
    21-05-2022 00:37

General

  • Target

    DHL_AWB_INV_9882900_99862788_998.exe

  • Size

    547KB

  • MD5

    0b5b259d171212bb43dd2097ef69642d

  • SHA1

    0dfdeaee67585c6954d41e43d11ff9b965f16e7a

  • SHA256

    4db8e3d8e29d6518086087c14ade8e22040bb81d6298f1eb23b893e7581eeb5c

  • SHA512

    9b8edf063ded9e56caa032eff599448eea82a9781abf2c6ae096ad23bfda2666ffe713813b378b82a4bfc000f42bb750e1dcc587e29f58563fc8f6d670001323

Malware Config

Extracted

Family

agenttesla

Credentials

  • Protocol:
    smtp
  • Host:
    smtp.tpts4seed.net
  • Port:
    587
  • Username:
    [email protected]
  • Password:
    Krested123@

Signatures

  • AgentTesla

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

  • AgentTesla Payload 1 IoCs
  • Reads user/profile data of local email clients 2 TTPs

    Email clients store some user data on disk where infostealers will often target it.

  • Reads user/profile data of web browsers 2 TTPs

    Infostealers often target stored browser data, which can include saved credentials etc.

  • Suspicious use of SetThreadContext 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 4 IoCs
  • Suspicious use of AdjustPrivilegeToken 2 IoCs
  • Suspicious use of WriteProcessMemory 11 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\DHL_AWB_INV_9882900_99862788_998.exe
    "C:\Users\Admin\AppData\Local\Temp\DHL_AWB_INV_9882900_99862788_998.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:3616
    • C:\Users\Admin\AppData\Local\Temp\DHL_AWB_INV_9882900_99862788_998.exe
      "{path}"
      2⤵
        PID:4300
      • C:\Users\Admin\AppData\Local\Temp\DHL_AWB_INV_9882900_99862788_998.exe
        "{path}"
        2⤵
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of AdjustPrivilegeToken
        PID:5100

    Network

    MITRE ATT&CK Matrix ATT&CK v6

    Credential Access

    Credentials in Files

    2
    T1081

    Collection

    Data from Local System

    2
    T1005

    Replay Monitor

    Loading Replay Monitor...

    Downloads

    • C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\DHL_AWB_INV_9882900_99862788_998.exe.log
      Filesize

      685B

      MD5

      64f7d1001f1b3c983776387519079574

      SHA1

      9696fb5ffd5597c12fc1ca6bcb7fe889f8cc9c2c

      SHA256

      b7724fa480f240bb6e0131973d0f085d5fb0865677f277a2a306f4fa89c89485

      SHA512

      bf81147d1a43290c845f788fbe633bf0ae8abff31a342b0278e525fdf65bd5294e797b3a11f375027e5b2c42d224459583d5a0e753f563d5034d4d7653d39eba

    • memory/3616-130-0x00000000006E0000-0x0000000000770000-memory.dmp
      Filesize

      576KB

    • memory/3616-131-0x0000000005490000-0x0000000005A34000-memory.dmp
      Filesize

      5.6MB

    • memory/3616-132-0x0000000004FE0000-0x0000000005072000-memory.dmp
      Filesize

      584KB

    • memory/3616-133-0x0000000005CC0000-0x0000000005E46000-memory.dmp
      Filesize

      1.5MB

    • memory/3616-134-0x0000000005E50000-0x0000000005EEC000-memory.dmp
      Filesize

      624KB

    • memory/4300-135-0x0000000000000000-mapping.dmp
    • memory/5100-136-0x0000000000000000-mapping.dmp
    • memory/5100-137-0x0000000000400000-0x000000000044A000-memory.dmp
      Filesize

      296KB

    • memory/5100-139-0x0000000005D30000-0x0000000005D96000-memory.dmp
      Filesize

      408KB

    • memory/5100-140-0x00000000069A0000-0x00000000069F0000-memory.dmp
      Filesize

      320KB