Analysis

  • max time kernel
    103s
  • max time network
    11s
  • platform
    windows7_x64
  • resource
    win7v20201028
  • submitted
    25-01-2021 06:20

General

  • Target

    mr kesh.bat.exe

  • Size

    8KB

  • MD5

    8f5ed14139e843b49ca8fd1a09d66b56

  • SHA1

    58897570838af026f2d15daf699ae19f296a41e6

  • SHA256

    f0a3247dd909ae3c546e45891109b28ea158c0be38913a658b065e980f48a991

  • SHA512

    f261f0a5855fda972856c209e25b4cf782b566bab7fee3922e5e8a088beeef952a1d4eaf625743b8a4f9574e0d991883ec779190ab7b186c4167a171d54c6255

Malware Config

Extracted

Family

agenttesla

Credentials

  • Protocol:
    smtp
  • Host:
    mail.atol.co.in
  • Port:
    587
  • Username:
    [email protected]
  • Password:
    TCdzm5MGsW

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 2 IoCs
  • Suspicious use of AdjustPrivilegeToken 2 IoCs
  • Suspicious use of SetWindowsHookEx 1 IoCs
  • Suspicious use of WriteProcessMemory 9 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\mr kesh.bat.exe
    "C:\Users\Admin\AppData\Local\Temp\mr kesh.bat.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:1108
    • C:\Users\Admin\AppData\Local\Temp\mr kesh.bat.exe
      "C:\Users\Admin\AppData\Local\Temp\mr kesh.bat.exe"
      2⤵
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of SetWindowsHookEx
      PID:1328

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

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Downloads

  • memory/1108-2-0x0000000073E00000-0x00000000744EE000-memory.dmp

    Filesize

    6.9MB

  • memory/1108-3-0x0000000000B90000-0x0000000000B91000-memory.dmp

    Filesize

    4KB

  • memory/1108-5-0x0000000000AA0000-0x0000000000AA1000-memory.dmp

    Filesize

    4KB

  • memory/1108-6-0x0000000000660000-0x000000000069F000-memory.dmp

    Filesize

    252KB

  • memory/1328-7-0x0000000000400000-0x000000000043C000-memory.dmp

    Filesize

    240KB

  • memory/1328-8-0x00000000004375EE-mapping.dmp

  • memory/1328-9-0x0000000073E00000-0x00000000744EE000-memory.dmp

    Filesize

    6.9MB

  • memory/1328-10-0x0000000000400000-0x000000000043C000-memory.dmp

    Filesize

    240KB

  • memory/1328-12-0x0000000004BF0000-0x0000000004BF1000-memory.dmp

    Filesize

    4KB

  • memory/1328-13-0x0000000004BF1000-0x0000000004BF2000-memory.dmp

    Filesize

    4KB