Analysis

  • max time kernel
    149s
  • max time network
    14s
  • platform
    windows7_x64
  • resource
    win7v20210410
  • submitted
    13-05-2021 21:57

General

  • Target

    IMG_056_107_0282.exe

  • Size

    439KB

  • MD5

    ea5bb3942f552e56ca59617b5eac93ec

  • SHA1

    49d672af670d0ecae7465b385187deb0b4bcd21a

  • SHA256

    8f40cf7d57b7aeefc1e920d6f4f0048d8a233f5153250e50538e7b4481401c1c

  • SHA512

    34cc132f44bb5708c588bfcb060d58df57a0566587214b3f91437489eefbc6534b3986bc0ebf0f9acd4b7f4f3be63d23ba6cc52aa71a1ed154aa542ec5e6989c

Malware Config

Extracted

Family

agenttesla

Credentials

  • Protocol:
    smtp
  • Host:
    sixjan.xyz
  • Port:
    587
  • Username:
    [email protected]
  • Password:
    H^i?T2&gWQ({

Signatures

  • AgentTesla

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

  • AgentTesla Payload 3 IoCs
  • Reads data files stored by FTP clients 2 TTPs

    Tries to access configuration files associated with programs like FileZilla.

  • 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 9 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\IMG_056_107_0282.exe
    "C:\Users\Admin\AppData\Local\Temp\IMG_056_107_0282.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:1836
    • C:\Users\Admin\AppData\Local\Temp\IMG_056_107_0282.exe
      C:\Users\Admin\AppData\Local\Temp\IMG_056_107_0282.exe
      2⤵
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:1584

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

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Downloads

  • memory/1584-64-0x0000000000400000-0x000000000043C000-memory.dmp

    Filesize

    240KB

  • memory/1584-65-0x00000000004375FE-mapping.dmp

  • memory/1584-66-0x0000000000400000-0x000000000043C000-memory.dmp

    Filesize

    240KB

  • memory/1584-68-0x00000000010B0000-0x00000000010B1000-memory.dmp

    Filesize

    4KB

  • memory/1584-69-0x00000000010B1000-0x00000000010B2000-memory.dmp

    Filesize

    4KB

  • memory/1836-59-0x0000000001210000-0x0000000001211000-memory.dmp

    Filesize

    4KB

  • memory/1836-61-0x00000000011A0000-0x00000000011A1000-memory.dmp

    Filesize

    4KB

  • memory/1836-62-0x0000000000370000-0x000000000037C000-memory.dmp

    Filesize

    48KB

  • memory/1836-63-0x0000000001070000-0x00000000010AB000-memory.dmp

    Filesize

    236KB