Analysis

  • max time kernel
    89s
  • max time network
    49s
  • platform
    windows7_x64
  • resource
    win7-20220414-en
  • submitted
    21-05-2022 12:38

General

  • Target

    2USD SWIFT _SCAN TT 190617_2019-NLCIV000003576_ES146009_30309679.exe

  • Size

    430KB

  • MD5

    b27c6b07807d2d53886556180ee8fcb9

  • SHA1

    81811f0df48b01c76fc2e0586c531b1c93197a47

  • SHA256

    c986ea8fc6725c76da91dff92d8ba6f8910c3cd54a7457f73839530aa8aaf002

  • SHA512

    f2f76e69929b83ed876ef060fbee607759e09b94741412afb5bf38189775c0b24e3f78f0218fe4d939612f3f256438f4813f70b7841a788925f3cb6c690a32a5

Malware Config

Extracted

Family

agenttesla

Credentials

  • Protocol:
    ftp
  • Host:
    ftp://ftp.connectus-trade.net/
  • Port:
    21
  • Username:
    one@connectus-trade.net
  • Password:
    o^Z0CIU?^yL2

  • Protocol:
    ftp
  • Host:
    ftp://ftp.connectus-trade.net/
  • Port:
    21
  • Username:
    one@connectus-trade.net
  • Password:
    o^Z0CIU?^yL2

Signatures

  • AgentTesla

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

  • AgentTesla Payload 6 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
  • Adds Run key to start application 2 TTPs 1 IoCs
  • Suspicious use of SetThreadContext 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 4 IoCs
  • Suspicious use of AdjustPrivilegeToken 2 IoCs
  • Suspicious use of SetWindowsHookEx 1 IoCs
  • Suspicious use of WriteProcessMemory 13 IoCs
  • outlook_office_path 1 IoCs
  • outlook_win_path 1 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\2USD SWIFT _SCAN TT 190617_2019-NLCIV000003576_ES146009_30309679.exe
    "C:\Users\Admin\AppData\Local\Temp\2USD SWIFT _SCAN TT 190617_2019-NLCIV000003576_ES146009_30309679.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:2028
    • C:\Users\Admin\AppData\Local\Temp\2USD SWIFT _SCAN TT 190617_2019-NLCIV000003576_ES146009_30309679.exe
      "{path}"
      2⤵
      • Accesses Microsoft Outlook profiles
      • Adds Run key to start application
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of SetWindowsHookEx
      • Suspicious use of WriteProcessMemory
      • outlook_office_path
      • outlook_win_path
      PID:952
      • C:\Windows\SysWOW64\netsh.exe
        "netsh" wlan show profile
        3⤵
          PID:1532

    Network

    MITRE ATT&CK Matrix ATT&CK v6

    Persistence

    Registry Run Keys / Startup Folder

    1
    T1060

    Defense Evasion

    Modify Registry

    1
    T1112

    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/952-57-0x0000000000400000-0x0000000000452000-memory.dmp
      Filesize

      328KB

    • memory/952-56-0x0000000000400000-0x0000000000452000-memory.dmp
      Filesize

      328KB

    • memory/952-59-0x0000000000400000-0x0000000000452000-memory.dmp
      Filesize

      328KB

    • memory/952-60-0x0000000000400000-0x0000000000452000-memory.dmp
      Filesize

      328KB

    • memory/952-61-0x0000000000400000-0x0000000000452000-memory.dmp
      Filesize

      328KB

    • memory/952-62-0x000000000044CCAE-mapping.dmp
    • memory/952-64-0x0000000000400000-0x0000000000452000-memory.dmp
      Filesize

      328KB

    • memory/952-66-0x0000000000400000-0x0000000000452000-memory.dmp
      Filesize

      328KB

    • memory/952-68-0x0000000074BF0000-0x000000007519B000-memory.dmp
      Filesize

      5.7MB

    • memory/1532-69-0x0000000000000000-mapping.dmp
    • memory/2028-54-0x0000000075FE1000-0x0000000075FE3000-memory.dmp
      Filesize

      8KB

    • memory/2028-55-0x0000000074BF0000-0x000000007519B000-memory.dmp
      Filesize

      5.7MB