Analysis

  • max time kernel
    108s
  • max time network
    215s
  • platform
    windows7_x64
  • resource
    win7-20221111-en
  • resource tags

    arch:x64arch:x86image:win7-20221111-enlocale:en-usos:windows7-x64system
  • submitted
    07-12-2022 20:10

General

  • Target

    5925646f5ca292b1e00a1b42b4b66cbaab222069fd0e4bcf7007a07a939e44f7.exe

  • Size

    874KB

  • MD5

    a8feb481321a5d9f835b2992e890239e

  • SHA1

    77da18cf3e3a831d9507e4e53d191f01b5289c33

  • SHA256

    5925646f5ca292b1e00a1b42b4b66cbaab222069fd0e4bcf7007a07a939e44f7

  • SHA512

    769a2734abe0da330eaddf34b4cb7ef53eadd9eb32b06076b8e760b6b39da061f3117dd5f667e8afa4c0c89456414bfd206679edb954d6f902d750471a9460b9

  • SSDEEP

    12288:ooQgKZ/nXt7virmWhlGLaQYIzjma919I9rws25iUC5ricmEnOQ4WWC37dktmPFum:sfnIBrH5rNLnOQ4WWEd+mPFI

Malware Config

Extracted

Credentials

  • Protocol:
    smtp
  • Host:
    smtp.yandex.com
  • Port:
    587
  • Username:
    andreasconstant@yandex.com
  • Password:
    DreamChaser101

Extracted

Family

agenttesla

Credentials

  • Protocol:
    smtp
  • Host:
    smtp.yandex.com
  • Port:
    587
  • Username:
    andreasconstant@yandex.com
  • Password:
    DreamChaser101

Signatures

  • AgentTesla

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

  • 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 4 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\5925646f5ca292b1e00a1b42b4b66cbaab222069fd0e4bcf7007a07a939e44f7.exe
    "C:\Users\Admin\AppData\Local\Temp\5925646f5ca292b1e00a1b42b4b66cbaab222069fd0e4bcf7007a07a939e44f7.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:2020
    • C:\Users\Admin\AppData\Local\Temp\5925646f5ca292b1e00a1b42b4b66cbaab222069fd0e4bcf7007a07a939e44f7.exe
      "C:\Users\Admin\AppData\Local\Temp\5925646f5ca292b1e00a1b42b4b66cbaab222069fd0e4bcf7007a07a939e44f7.exe"
      2⤵
        PID:460
      • C:\Users\Admin\AppData\Local\Temp\5925646f5ca292b1e00a1b42b4b66cbaab222069fd0e4bcf7007a07a939e44f7.exe
        "C:\Users\Admin\AppData\Local\Temp\5925646f5ca292b1e00a1b42b4b66cbaab222069fd0e4bcf7007a07a939e44f7.exe"
        2⤵
        • Accesses Microsoft Outlook profiles
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of AdjustPrivilegeToken
        • outlook_office_path
        • outlook_win_path
        PID:556

    Network

    MITRE ATT&CK Matrix ATT&CK v6

    Credential Access

    Credentials in Files

    3
    T1081

    Collection

    Data from Local System

    3
    T1005

    Email Collection

    1
    T1114

    Replay Monitor

    Loading Replay Monitor...

    Downloads

    • memory/556-64-0x0000000000400000-0x0000000000438000-memory.dmp
      Filesize

      224KB

    • memory/556-63-0x0000000000400000-0x0000000000438000-memory.dmp
      Filesize

      224KB

    • memory/556-70-0x0000000000400000-0x0000000000438000-memory.dmp
      Filesize

      224KB

    • memory/556-68-0x0000000000400000-0x0000000000438000-memory.dmp
      Filesize

      224KB

    • memory/556-66-0x000000000043244E-mapping.dmp
    • memory/556-61-0x0000000000400000-0x0000000000438000-memory.dmp
      Filesize

      224KB

    • memory/556-65-0x0000000000400000-0x0000000000438000-memory.dmp
      Filesize

      224KB

    • memory/556-60-0x0000000000400000-0x0000000000438000-memory.dmp
      Filesize

      224KB

    • memory/2020-55-0x0000000076411000-0x0000000076413000-memory.dmp
      Filesize

      8KB

    • memory/2020-54-0x00000000001F0000-0x00000000002D0000-memory.dmp
      Filesize

      896KB

    • memory/2020-59-0x0000000004BC0000-0x0000000004C1A000-memory.dmp
      Filesize

      360KB

    • memory/2020-58-0x0000000007F10000-0x0000000007FA4000-memory.dmp
      Filesize

      592KB

    • memory/2020-57-0x00000000004A0000-0x00000000004AE000-memory.dmp
      Filesize

      56KB

    • memory/2020-56-0x0000000000410000-0x0000000000426000-memory.dmp
      Filesize

      88KB