Analysis

  • max time kernel
    147s
  • max time network
    97s
  • platform
    windows7_x64
  • resource
    win7v20201028
  • submitted
    26-02-2021 15:16

General

  • Target

    BuXml0xOJlFXusF.exe

  • Size

    551KB

  • MD5

    2b83697e842ccf54a72b2ca68f44947b

  • SHA1

    b7aacc8139ee8c4d74b507c1435e0fb04d6a0a99

  • SHA256

    62b54609bea9a6af4f71daa41bfaeb75235f662d608480020257a9eba7255dd4

  • SHA512

    d3028843f5a46344379a1915bb0eaa0850571778ae5b763fa1c8de1e065ff165fdd78a6327076768b46921266e27c7720c157ab80b79b3ca1cc7fe1cdec38da0

Malware Config

Extracted

Family

agenttesla

Credentials

  • Protocol:
    smtp
  • Host:
    mail.iymorenterprizelogs.com
  • Port:
    587
  • Username:
    [email protected]
  • Password:
    nxLq9soWurW3

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\BuXml0xOJlFXusF.exe
    "C:\Users\Admin\AppData\Local\Temp\BuXml0xOJlFXusF.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious use of WriteProcessMemory
    PID:2008
    • C:\Users\Admin\AppData\Local\Temp\BuXml0xOJlFXusF.exe
      "C:\Users\Admin\AppData\Local\Temp\BuXml0xOJlFXusF.exe"
      2⤵
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:1052

Network

MITRE ATT&CK Matrix

Replay Monitor

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Downloads

  • memory/1052-9-0x00000000004375EE-mapping.dmp
  • memory/1052-8-0x0000000000400000-0x000000000043C000-memory.dmp
    Filesize

    240KB

  • memory/1052-10-0x0000000074BA0000-0x000000007528E000-memory.dmp
    Filesize

    6.9MB

  • memory/1052-11-0x0000000000400000-0x000000000043C000-memory.dmp
    Filesize

    240KB

  • memory/1052-13-0x0000000004D30000-0x0000000004D31000-memory.dmp
    Filesize

    4KB

  • memory/2008-2-0x0000000074BA0000-0x000000007528E000-memory.dmp
    Filesize

    6.9MB

  • memory/2008-3-0x0000000000E00000-0x0000000000E01000-memory.dmp
    Filesize

    4KB

  • memory/2008-5-0x0000000004CE0000-0x0000000004CE1000-memory.dmp
    Filesize

    4KB

  • memory/2008-6-0x0000000000550000-0x0000000000553000-memory.dmp
    Filesize

    12KB

  • memory/2008-7-0x0000000005000000-0x000000000505C000-memory.dmp
    Filesize

    368KB