Analysis

  • max time kernel
    139s
  • max time network
    44s
  • platform
    windows7_x64
  • resource
    win7-20220414-en
  • submitted
    20-05-2022 22:56

General

  • Target

    New_Order2020.07.03.exe

  • Size

    486KB

  • MD5

    3f718a931a96049d60f8a4055d15235c

  • SHA1

    6c1ccc7510545b90974e945949569c6fd3167007

  • SHA256

    5b3b2cedb97bc0b3e2e011bd59cab0e5be8b6d08824e64476ff2744ec8c7e6ff

  • SHA512

    debc7202edd8240e8c8990aa6b0f64aa73c1466a810d79eac18a6d15e1ba6d86b8220c567fd856bbd304c68f899f0c672d261b014d7efb955f353e88022d0a52

Malware Config

Extracted

Family

agenttesla

Credentials

  • Protocol:
    smtp
  • Host:
    mail.itdone.cz
  • Port:
    587
  • Username:
    [email protected]
  • Password:
    viObavejMa

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
  • Enumerates physical storage devices 1 TTPs

    Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.

  • Creates scheduled task(s) 1 TTPs 1 IoCs

    Schtasks is often used by malware for persistence or to perform post-infection execution.

  • Suspicious behavior: EnumeratesProcesses 2 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of WriteProcessMemory 13 IoCs
  • outlook_office_path 1 IoCs
  • outlook_win_path 1 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\New_Order2020.07.03.exe
    "C:\Users\Admin\AppData\Local\Temp\New_Order2020.07.03.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious use of WriteProcessMemory
    PID:1444
    • C:\Windows\SysWOW64\schtasks.exe
      "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\xnExzCepuPR" /XML "C:\Users\Admin\AppData\Local\Temp\tmpB156.tmp"
      2⤵
      • Creates scheduled task(s)
      PID:1208
    • C:\Users\Admin\AppData\Local\Temp\New_Order2020.07.03.exe
      "C:\Users\Admin\AppData\Local\Temp\New_Order2020.07.03.exe"
      2⤵
      • Accesses Microsoft Outlook profiles
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      • outlook_office_path
      • outlook_win_path
      PID:1156

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

Loading Replay Monitor...

Downloads

  • C:\Users\Admin\AppData\Local\Temp\tmpB156.tmp

    Filesize

    1KB

    MD5

    6463a53bba9e5063abf23003bbab2501

    SHA1

    e6a5bf26f05d7e4fb346a87ed9e8c80fd2e22400

    SHA256

    9ed3507f15cd9c7c9170f7f7791e8b9452c2142ee2979af204965531c716252d

    SHA512

    a399cfb932c09bd4124973304b79e0adbb5cb48d85bf8e5817538067a4c445829a535ac150dec209466ea43fb7dedb7fc721a9fb90d7efbec4d8a8627f551905

  • memory/1156-64-0x0000000000400000-0x000000000044A000-memory.dmp

    Filesize

    296KB

  • memory/1156-60-0x0000000000400000-0x000000000044A000-memory.dmp

    Filesize

    296KB

  • memory/1156-61-0x0000000000400000-0x000000000044A000-memory.dmp

    Filesize

    296KB

  • memory/1156-63-0x0000000000400000-0x000000000044A000-memory.dmp

    Filesize

    296KB

  • memory/1156-65-0x0000000000400000-0x000000000044A000-memory.dmp

    Filesize

    296KB

  • memory/1156-66-0x0000000000445FDE-mapping.dmp

  • memory/1156-68-0x0000000000400000-0x000000000044A000-memory.dmp

    Filesize

    296KB

  • memory/1156-70-0x0000000000400000-0x000000000044A000-memory.dmp

    Filesize

    296KB

  • memory/1208-58-0x0000000000000000-mapping.dmp

  • memory/1444-56-0x00000000008D0000-0x00000000008E2000-memory.dmp

    Filesize

    72KB

  • memory/1444-57-0x0000000004A40000-0x0000000004A92000-memory.dmp

    Filesize

    328KB

  • memory/1444-55-0x0000000076431000-0x0000000076433000-memory.dmp

    Filesize

    8KB

  • memory/1444-54-0x0000000000CD0000-0x0000000000D50000-memory.dmp

    Filesize

    512KB