Analysis

  • max time kernel
    144s
  • max time network
    121s
  • platform
    windows7_x64
  • resource
    win7-en-20211014
  • submitted
    25-10-2021 06:13

General

  • Target

    DHL airwaybill # 6913321715.pdf.exe

  • Size

    613KB

  • MD5

    88ad25beeb143d46152cc1968fedfdca

  • SHA1

    227071cc6681ca773729fe034bd76ba23f0bd7b9

  • SHA256

    368d524b4b5c6920e2d290364c9d42bfe3c01fd7583b5d8ef51787f9c8fa81f1

  • SHA512

    a0e35bc1bd051263b6f02d1d6756b934db48a46f2c43c4225e957822d88e640459bc42329c192ef1c85333f703825144fa9f9bba15e4cf3986d9bca7458a751b

Malware Config

Extracted

Family

agenttesla

Credentials

  • Protocol:
    smtp
  • Host:
    smtp.jatc0fs.com
  • Port:
    587
  • Username:
    [email protected]
  • Password:
    PNyjQwb9

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 3 IoCs
  • Suspicious use of AdjustPrivilegeToken 2 IoCs
  • Suspicious use of SetWindowsHookEx 2 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 airwaybill # 6913321715.pdf.exe
    "C:\Users\Admin\AppData\Local\Temp\DHL airwaybill # 6913321715.pdf.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:1084
    • C:\Users\Admin\AppData\Local\Temp\DHL airwaybill # 6913321715.pdf.exe
      "{path}"
      2⤵
      • Accesses Microsoft Outlook profiles
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      • outlook_office_path
      • outlook_win_path
      PID:1560

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

Loading Replay Monitor...

Downloads

  • memory/1084-55-0x0000000000A50000-0x0000000000A51000-memory.dmp

    Filesize

    4KB

  • memory/1084-57-0x00000000768A1000-0x00000000768A3000-memory.dmp

    Filesize

    8KB

  • memory/1084-58-0x0000000004CA0000-0x0000000004CA1000-memory.dmp

    Filesize

    4KB

  • memory/1084-59-0x0000000004CA1000-0x0000000004CA2000-memory.dmp

    Filesize

    4KB

  • memory/1084-60-0x0000000004CA2000-0x0000000004CA3000-memory.dmp

    Filesize

    4KB

  • memory/1084-61-0x0000000002050000-0x000000000205E000-memory.dmp

    Filesize

    56KB

  • memory/1084-62-0x00000000083E0000-0x0000000008460000-memory.dmp

    Filesize

    512KB

  • memory/1084-63-0x0000000004E30000-0x0000000004E68000-memory.dmp

    Filesize

    224KB

  • memory/1560-64-0x0000000000400000-0x000000000043C000-memory.dmp

    Filesize

    240KB

  • memory/1560-65-0x0000000000400000-0x000000000043C000-memory.dmp

    Filesize

    240KB

  • memory/1560-66-0x0000000000400000-0x000000000043C000-memory.dmp

    Filesize

    240KB

  • memory/1560-67-0x0000000000400000-0x000000000043C000-memory.dmp

    Filesize

    240KB

  • memory/1560-68-0x0000000000400000-0x000000000043C000-memory.dmp

    Filesize

    240KB

  • memory/1560-69-0x00000000004375CE-mapping.dmp

  • memory/1560-70-0x0000000000400000-0x000000000043C000-memory.dmp

    Filesize

    240KB

  • memory/1560-72-0x00000000043A0000-0x00000000043A1000-memory.dmp

    Filesize

    4KB

  • memory/1560-73-0x00000000043A1000-0x00000000043A2000-memory.dmp

    Filesize

    4KB