Analysis

  • max time kernel
    129s
  • max time network
    41s
  • platform
    windows7_x64
  • resource
    win7-20220414-en
  • submitted
    20-05-2022 22:20

General

  • Target

    Shipping Documents.exe

  • Size

    652KB

  • MD5

    9ad127f4f4d28ea19395cb16c194f23d

  • SHA1

    21ce15a2f1ee49d7420ea368e51cf92b61028a4c

  • SHA256

    9c1f76b540f055b2b6131cde2f6896e73f3e0170070c0551d90d20364156d32c

  • SHA512

    b3e6f896c4d0747e0d575b1abc63eb96eb0cd791bce21275c44b58731494fa143f1ba03ea6185ee1d3c25366c32e8b26bdefdd4624f0f9780e3e8fcc64665d13

Malware Config

Extracted

Family

agenttesla

Credentials

  • Protocol:
    smtp
  • Host:
    smtp.yandex.com
  • Port:
    587
  • Username:
    [email protected]
  • Password:
    ikechukwu112

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
  • Suspicious use of SetThreadContext 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 2 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of SetWindowsHookEx 1 IoCs
  • Suspicious use of WriteProcessMemory 9 IoCs
  • outlook_office_path 1 IoCs
  • outlook_win_path 1 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\Shipping Documents.exe
    "C:\Users\Admin\AppData\Local\Temp\Shipping Documents.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious use of WriteProcessMemory
    PID:1400
    • C:\Users\Admin\AppData\Local\Temp\Shipping Documents.exe
      "{path}"
      2⤵
      • Accesses Microsoft Outlook profiles
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of SetWindowsHookEx
      • outlook_office_path
      • outlook_win_path
      PID:1448

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/1400-54-0x0000000000140000-0x00000000001EA000-memory.dmp
    Filesize

    680KB

  • memory/1400-55-0x0000000000690000-0x0000000000698000-memory.dmp
    Filesize

    32KB

  • memory/1400-56-0x0000000001FF0000-0x0000000002044000-memory.dmp
    Filesize

    336KB

  • memory/1448-57-0x0000000000400000-0x000000000044C000-memory.dmp
    Filesize

    304KB

  • memory/1448-58-0x0000000000400000-0x000000000044C000-memory.dmp
    Filesize

    304KB

  • memory/1448-60-0x0000000000400000-0x000000000044C000-memory.dmp
    Filesize

    304KB

  • memory/1448-61-0x0000000000400000-0x000000000044C000-memory.dmp
    Filesize

    304KB

  • memory/1448-62-0x0000000000400000-0x000000000044C000-memory.dmp
    Filesize

    304KB

  • memory/1448-63-0x0000000000447A3E-mapping.dmp
  • memory/1448-65-0x0000000000400000-0x000000000044C000-memory.dmp
    Filesize

    304KB

  • memory/1448-67-0x0000000000400000-0x000000000044C000-memory.dmp
    Filesize

    304KB

  • memory/1448-68-0x0000000075E41000-0x0000000075E43000-memory.dmp
    Filesize

    8KB