Analysis

  • max time kernel
    155s
  • max time network
    160s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20220414-en
  • submitted
    21-05-2022 00:59

General

  • Target

    FEDEX Online Customer Advisory AWB, BL Commercial. Invoice 20207105534231.pdf.exe

  • Size

    434KB

  • MD5

    28cfa40c77b39ff4dd7b57680d91afff

  • SHA1

    05c1d4cd3d8238e0f485ba36855d8e57ce44227b

  • SHA256

    d4ca1a42f5c889f5b6e12a5f4059ff6bc22c6ea99f830d561baf9d6de3b42eea

  • SHA512

    219d8b9104a8a6135b2244c7e0c23c454fe71b0d4b5bfc2f652dbd16118d67c4ff9e3aa51eadb3e6e614d64bde16c6856bd9a3a2707832bc99cc7efa0158175e

Malware Config

Extracted

Family

agenttesla

Credentials

  • Protocol:
    smtp
  • Host:
    mail.zarkom.rs
  • Port:
    587
  • Username:
    [email protected]
  • Password:
    Medicko121

Signatures

  • AgentTesla

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

  • AgentTesla Payload 1 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 web browsers 2 TTPs

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

  • Accesses Microsoft Outlook profiles 1 TTPs 3 IoCs
  • Suspicious use of SetThreadContext 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 8 IoCs
  • Suspicious use of AdjustPrivilegeToken 2 IoCs
  • Suspicious use of WriteProcessMemory 8 IoCs
  • outlook_office_path 1 IoCs
  • outlook_win_path 1 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\FEDEX Online Customer Advisory AWB, BL Commercial. Invoice 20207105534231.pdf.exe
    "C:\Users\Admin\AppData\Local\Temp\FEDEX Online Customer Advisory AWB, BL Commercial. Invoice 20207105534231.pdf.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:4548
    • C:\Users\Admin\AppData\Local\Temp\FEDEX Online Customer Advisory AWB, BL Commercial. Invoice 20207105534231.pdf.exe
      "{path}"
      2⤵
      • Accesses Microsoft Outlook profiles
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      • outlook_office_path
      • outlook_win_path
      PID:620

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

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Downloads

  • C:\Users\Admin\AppData\Local\Microsoft\CLR_v2.0_32\UsageLogs\FEDEX Online Customer Advisory AWB, BL Commercial. Invoice 20207105534231.pdf.exe.log
    Filesize

    313B

    MD5

    580032b56f3eb50550c370c45282819d

    SHA1

    f038df98749b531df14f79561e4d4aa47ed273a0

    SHA256

    c35d3e01e4f85ef6cec646d28d0c228dea97e0afe16193ee35944f8ba7022ddd

    SHA512

    3c435e5bfe5511d57710e7f4892abad5f1c02a1a839c1da1476d9ef851ecf540350e62e8148eb1533f83c5d3d5ad62779e66710281d516227cd727fb9a16c44e

  • memory/620-131-0x0000000000000000-mapping.dmp
  • memory/620-132-0x0000000000400000-0x000000000044C000-memory.dmp
    Filesize

    304KB

  • memory/620-134-0x0000000074720000-0x0000000074CD1000-memory.dmp
    Filesize

    5.7MB

  • memory/4548-130-0x0000000074720000-0x0000000074CD1000-memory.dmp
    Filesize

    5.7MB