Analysis

  • max time kernel
    123s
  • max time network
    121s
  • platform
    windows7_x64
  • resource
    win7-en-20210920
  • submitted
    14-10-2021 04:59

General

  • Target

    Swift Copy.exe

  • Size

    640KB

  • MD5

    b772387208e2bc581bd9758fcf1399ab

  • SHA1

    a3159e22c2c3e447f9f025d4cb34afd54cb4bc5e

  • SHA256

    f5975138fbd005ad1399f0f2623cff56d494f138a207156e272c85e6e3e77445

  • SHA512

    a12ce9107c2dd6f6fd1b87657112eccbd374a0a2302984f54ec30e215adc9956d806814562fe678f8a129cb4393a69bb2455c1de16b7f66ed518348bfc912f46

Malware Config

Extracted

Family

agenttesla

Credentials

  • Protocol:
    smtp
  • Host:
    smtp.rettberrg.com
  • Port:
    587
  • Username:
    ebuk@rettberrg.com
  • Password:
    ka*g((D8

Signatures

  • AgentTesla

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

  • AgentTesla Payload 5 IoCs
  • 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\Swift Copy.exe
    "C:\Users\Admin\AppData\Local\Temp\Swift Copy.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:1548
    • C:\Windows\Microsoft.NET\Framework\v4.0.30319\MSBuild.exe
      "C:\Windows\Microsoft.NET\Framework\v4.0.30319\MSBuild.exe"
      2⤵
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:1296

Network

MITRE ATT&CK Matrix

Replay Monitor

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Downloads

  • memory/1296-64-0x0000000000400000-0x000000000043C000-memory.dmp
    Filesize

    240KB

  • memory/1296-60-0x0000000000400000-0x000000000043C000-memory.dmp
    Filesize

    240KB

  • memory/1296-61-0x0000000000400000-0x000000000043C000-memory.dmp
    Filesize

    240KB

  • memory/1296-62-0x0000000000400000-0x000000000043C000-memory.dmp
    Filesize

    240KB

  • memory/1296-63-0x0000000000400000-0x000000000043C000-memory.dmp
    Filesize

    240KB

  • memory/1296-65-0x0000000000436C3E-mapping.dmp
  • memory/1296-66-0x0000000000400000-0x000000000043C000-memory.dmp
    Filesize

    240KB

  • memory/1296-68-0x0000000004A20000-0x0000000004A21000-memory.dmp
    Filesize

    4KB

  • memory/1548-56-0x00000000762D1000-0x00000000762D3000-memory.dmp
    Filesize

    8KB

  • memory/1548-57-0x0000000004C30000-0x0000000004C31000-memory.dmp
    Filesize

    4KB

  • memory/1548-58-0x0000000000420000-0x0000000000425000-memory.dmp
    Filesize

    20KB

  • memory/1548-59-0x0000000005850000-0x00000000058CE000-memory.dmp
    Filesize

    504KB

  • memory/1548-54-0x0000000001280000-0x0000000001281000-memory.dmp
    Filesize

    4KB