Analysis

  • max time kernel
    147s
  • max time network
    46s
  • platform
    windows7_x64
  • resource
    win7-20220414-en
  • submitted
    21-05-2022 00:39

General

  • Target

    DHL_DOCUMENT_PDF.exe

  • Size

    573KB

  • MD5

    312c0bfeb6929a3da423663a3c403c9a

  • SHA1

    217594abfa972072384d91f18c9a29095edcf9e7

  • SHA256

    2fac92f45be30249eea9927ec6f5587580269c81d73503ce11bb8e3979fe3286

  • SHA512

    d5d4b682274514bfe61ee6b18eb732c75174a9fbf7a2f6c71ce50dd575bee01b53414031e608f8df4af3f0c50c2118518f05570f7260a9b8c729e1c6ce07dfc8

Malware Config

Extracted

Family

agenttesla

Credentials

  • Protocol:
    smtp
  • Host:
    mail.dkmmotors.com
  • Port:
    587
  • Username:
    [email protected]
  • Password:
    H44;UgV5.R(b

Signatures

  • AgentTesla

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

  • AgentTesla Payload 6 IoCs
  • 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\DHL_DOCUMENT_PDF.exe
    "C:\Users\Admin\AppData\Local\Temp\DHL_DOCUMENT_PDF.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious use of WriteProcessMemory
    PID:852
    • C:\Users\Admin\AppData\Local\Temp\DHL_DOCUMENT_PDF.exe
      "{path}"
      2⤵
      • Accesses Microsoft Outlook profiles
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      • outlook_office_path
      • outlook_win_path
      PID:1936

Network

MITRE ATT&CK Matrix ATT&CK v6

Credential Access

Credentials in Files

2
T1081

Collection

Data from Local System

2
T1005

Email Collection

1
T1114

Replay Monitor

Loading Replay Monitor...

Downloads

  • memory/852-54-0x0000000000CB0000-0x0000000000D46000-memory.dmp
    Filesize

    600KB

  • memory/852-55-0x0000000000550000-0x0000000000558000-memory.dmp
    Filesize

    32KB

  • memory/852-56-0x0000000000B60000-0x0000000000BB2000-memory.dmp
    Filesize

    328KB

  • memory/1936-57-0x0000000000400000-0x000000000044A000-memory.dmp
    Filesize

    296KB

  • memory/1936-58-0x0000000000400000-0x000000000044A000-memory.dmp
    Filesize

    296KB

  • memory/1936-60-0x0000000000400000-0x000000000044A000-memory.dmp
    Filesize

    296KB

  • memory/1936-61-0x0000000000400000-0x000000000044A000-memory.dmp
    Filesize

    296KB

  • memory/1936-62-0x0000000000400000-0x000000000044A000-memory.dmp
    Filesize

    296KB

  • memory/1936-63-0x00000000004458FE-mapping.dmp
  • memory/1936-65-0x0000000000400000-0x000000000044A000-memory.dmp
    Filesize

    296KB

  • memory/1936-67-0x0000000000400000-0x000000000044A000-memory.dmp
    Filesize

    296KB

  • memory/1936-68-0x00000000763E1000-0x00000000763E3000-memory.dmp
    Filesize

    8KB