Analysis

  • max time kernel
    50s
  • max time network
    45s
  • platform
    windows7_x64
  • resource
    win7-20220414-en
  • submitted
    21-05-2022 02:28

General

  • Target

    DHL-#AWB130501923096PDF.exe

  • Size

    392KB

  • MD5

    9d9afcbbeaad375daf4672935fd75d21

  • SHA1

    5ec4d540a97de0f7668ed533d4100d323de087f1

  • SHA256

    154e3d61c42499996c63db646175ed1b3252c598d7e79e7e03763f99ebb23294

  • SHA512

    838b12fedf1ff825afc17a4ef5086446cb6b80a7993073b292eb723f297cf11324469198bef948805a538ffd1e75a511707bc4ff03533ecd92cfd9b5b0c0990d

Malware Config

Extracted

Family

agenttesla

Credentials

  • Protocol:
    smtp
  • Host:
    mail.labombilladeoro.com
  • Port:
    587
  • Username:
    [email protected]
  • Password:
    IT){}=GcXm?f

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 behavior: RenamesItself 1 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-#AWB130501923096PDF.exe
    "C:\Users\Admin\AppData\Local\Temp\DHL-#AWB130501923096PDF.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious use of WriteProcessMemory
    PID:784
    • C:\Users\Admin\AppData\Local\Temp\DHL-#AWB130501923096PDF.exe
      "{path}"
      2⤵
      • Accesses Microsoft Outlook profiles
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious behavior: RenamesItself
      • Suspicious use of AdjustPrivilegeToken
      • outlook_office_path
      • outlook_win_path
      PID:340

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/340-56-0x0000000000400000-0x0000000000450000-memory.dmp
    Filesize

    320KB

  • memory/340-57-0x0000000000400000-0x0000000000450000-memory.dmp
    Filesize

    320KB

  • memory/340-59-0x0000000000400000-0x0000000000450000-memory.dmp
    Filesize

    320KB

  • memory/340-60-0x0000000000400000-0x0000000000450000-memory.dmp
    Filesize

    320KB

  • memory/340-61-0x0000000000400000-0x0000000000450000-memory.dmp
    Filesize

    320KB

  • memory/340-62-0x000000000044A80E-mapping.dmp
  • memory/340-64-0x0000000000400000-0x0000000000450000-memory.dmp
    Filesize

    320KB

  • memory/340-66-0x0000000000400000-0x0000000000450000-memory.dmp
    Filesize

    320KB

  • memory/340-68-0x0000000074B90000-0x000000007513B000-memory.dmp
    Filesize

    5.7MB

  • memory/784-54-0x0000000076391000-0x0000000076393000-memory.dmp
    Filesize

    8KB

  • memory/784-55-0x0000000074B90000-0x000000007513B000-memory.dmp
    Filesize

    5.7MB