Analysis

  • max time kernel
    144s
  • max time network
    120s
  • platform
    windows7_x64
  • resource
    win7-en-20211014
  • submitted
    21-10-2021 20:58

General

  • Target

    Payment Copy.exe

  • Size

    504KB

  • MD5

    76b7a306c697aab9e1a5a152094c9b00

  • SHA1

    caf45c939526b48b6d822fc6bec1a4bf8a62a677

  • SHA256

    7e0eddc6744c2acde5fcc3a9dc3f6f1e7e1c1b85a1033ae93a0fd53489c71c4f

  • SHA512

    f8eb408f40fa5e10e57448a1913d0bd027c4404b83eff75f06057eae6fcb2e8bf0576447218e2ec504936c249be6f97030a5fb3f09238a5998bf0775b7d90955

Malware Config

Extracted

Family

agenttesla

Credentials

  • Protocol:
    smtp
  • Host:
    mail.croatiahunt.com
  • Port:
    587
  • Username:
    [email protected]
  • Password:
    VilaVrgade852

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 2 IoCs
  • Suspicious use of AdjustPrivilegeToken 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\Payment Copy.exe
    "C:\Users\Admin\AppData\Local\Temp\Payment Copy.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious use of WriteProcessMemory
    PID:1156
    • C:\Users\Admin\AppData\Local\Temp\Payment Copy.exe
      "C:\Users\Admin\AppData\Local\Temp\Payment Copy.exe"
      2⤵
      • Accesses Microsoft Outlook profiles
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      • outlook_office_path
      • outlook_win_path
      PID:1044

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

Loading Replay Monitor...

Downloads

  • memory/1044-66-0x000000000043766E-mapping.dmp

  • memory/1044-64-0x0000000000400000-0x000000000043C000-memory.dmp

    Filesize

    240KB

  • memory/1044-70-0x0000000000821000-0x0000000000822000-memory.dmp

    Filesize

    4KB

  • memory/1044-69-0x0000000000820000-0x0000000000821000-memory.dmp

    Filesize

    4KB

  • memory/1044-67-0x0000000000400000-0x000000000043C000-memory.dmp

    Filesize

    240KB

  • memory/1044-61-0x0000000000400000-0x000000000043C000-memory.dmp

    Filesize

    240KB

  • memory/1044-62-0x0000000000400000-0x000000000043C000-memory.dmp

    Filesize

    240KB

  • memory/1044-63-0x0000000000400000-0x000000000043C000-memory.dmp

    Filesize

    240KB

  • memory/1044-65-0x0000000000400000-0x000000000043C000-memory.dmp

    Filesize

    240KB

  • memory/1156-55-0x0000000000D10000-0x0000000000D11000-memory.dmp

    Filesize

    4KB

  • memory/1156-57-0x0000000076531000-0x0000000076533000-memory.dmp

    Filesize

    8KB

  • memory/1156-60-0x0000000004E00000-0x0000000004E58000-memory.dmp

    Filesize

    352KB

  • memory/1156-59-0x0000000000700000-0x0000000000707000-memory.dmp

    Filesize

    28KB

  • memory/1156-58-0x0000000000B60000-0x0000000000B61000-memory.dmp

    Filesize

    4KB