Analysis

  • max time kernel
    131s
  • max time network
    149s
  • platform
    windows7_x64
  • resource
    win7-en-20210920
  • submitted
    25-10-2021 13:55

General

  • Target

    packing list.exe

  • Size

    381KB

  • MD5

    28a8ada4a68192fccf3ce5e089c18674

  • SHA1

    e0f34ccae342bc98459d132de5c29eb41adf7261

  • SHA256

    5c9be5e9b107d6915b486464196d94e3d67e22243df379365b99990fad14975d

  • SHA512

    0256cbdda8c6c7948a92a92948a7cdb4a93e3c95027e3877c11c1eba46da84c93d4a054ccb1e45fd6c077b18d459d8ad609b855004a22fc9e600fa435fbe6e51

Malware Config

Extracted

Family

agenttesla

Credentials

  • Protocol:
    smtp
  • Host:
    mail.dairysystems.co.ke
  • Port:
    587
  • Username:
    [email protected]
  • Password:
    2019@systems

Signatures

  • AgentTesla

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

  • AgentTesla Payload 5 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.

  • Accesses Microsoft Outlook profiles 1 TTPs 3 IoCs
  • Suspicious use of SetThreadContext 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 3 IoCs
  • Suspicious use of AdjustPrivilegeToken 2 IoCs
  • Suspicious use of WriteProcessMemory 13 IoCs
  • outlook_office_path 1 IoCs
  • outlook_win_path 1 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\packing list.exe
    "C:\Users\Admin\AppData\Local\Temp\packing list.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:1312
    • C:\Users\Admin\AppData\Local\Temp\packing list.exe
      "C:\Users\Admin\AppData\Local\Temp\packing list.exe"
      2⤵
        PID:1592
      • C:\Users\Admin\AppData\Local\Temp\packing list.exe
        "C:\Users\Admin\AppData\Local\Temp\packing list.exe"
        2⤵
        • Accesses Microsoft Outlook profiles
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of AdjustPrivilegeToken
        • outlook_office_path
        • outlook_win_path
        PID:896

    Network

    MITRE ATT&CK Enterprise v6

    Replay Monitor

    Loading Replay Monitor...

    Downloads

    • memory/896-64-0x00000000004374CE-mapping.dmp

    • memory/896-59-0x0000000000400000-0x000000000043C000-memory.dmp

      Filesize

      240KB

    • memory/896-60-0x0000000000400000-0x000000000043C000-memory.dmp

      Filesize

      240KB

    • memory/896-62-0x0000000000400000-0x000000000043C000-memory.dmp

      Filesize

      240KB

    • memory/896-61-0x0000000000400000-0x000000000043C000-memory.dmp

      Filesize

      240KB

    • memory/896-63-0x0000000000400000-0x000000000043C000-memory.dmp

      Filesize

      240KB

    • memory/896-65-0x0000000000400000-0x000000000043C000-memory.dmp

      Filesize

      240KB

    • memory/896-67-0x0000000004A70000-0x0000000004A71000-memory.dmp

      Filesize

      4KB

    • memory/896-68-0x0000000004A71000-0x0000000004A72000-memory.dmp

      Filesize

      4KB

    • memory/1312-56-0x0000000004AA0000-0x0000000004AA1000-memory.dmp

      Filesize

      4KB

    • memory/1312-57-0x0000000000700000-0x0000000000707000-memory.dmp

      Filesize

      28KB

    • memory/1312-58-0x0000000004830000-0x0000000004888000-memory.dmp

      Filesize

      352KB

    • memory/1312-54-0x0000000000B20000-0x0000000000B21000-memory.dmp

      Filesize

      4KB