Analysis

  • max time kernel
    147s
  • max time network
    153s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20220901-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20220901-enlocale:en-usos:windows10-2004-x64system
  • submitted
    08-12-2022 19:42

General

  • Target

    DVSWIFTS.exe

  • Size

    610KB

  • MD5

    ceaeb1219c2dc105358d2ba55a4db41c

  • SHA1

    741dbff396ff8e19f3cae1da3f6ba544ae0988c9

  • SHA256

    4b9e0192120c6a09ac2d2c2fc746115035acf7a2d76e4e16c6bb229a96b61cd6

  • SHA512

    7dde7fdacd1da19fd4db86645ef31df6b0e342a319736778e3625862ab8c588eecc452f414d417f75015b9289bb7dfd0e6d657ce2f9797fb89cd73dac910fbbb

  • SSDEEP

    12288:7aqbW9hZjkEE5diLXApOUuGRYhajojt/3b1P4:7aqbJdiEpnuOY8Ghh

Malware Config

Extracted

Family

agenttesla

Credentials

Signatures

  • AgentTesla

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

  • 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
  • Looks up external IP address via web service 2 IoCs

    Uses a legitimate IP lookup service to find the infected system's external IP.

  • Suspicious use of SetThreadContext 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 3 IoCs
  • Suspicious behavior: RenamesItself 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of WriteProcessMemory 8 IoCs
  • outlook_office_path 1 IoCs
  • outlook_win_path 1 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\DVSWIFTS.exe
    "C:\Users\Admin\AppData\Local\Temp\DVSWIFTS.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious use of WriteProcessMemory
    PID:1452
    • C:\Users\Admin\AppData\Local\Temp\DVSWIFTS.exe
      "C:\Users\Admin\AppData\Local\Temp\DVSWIFTS.exe"
      2⤵
      • Accesses Microsoft Outlook profiles
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious behavior: RenamesItself
      • Suspicious use of AdjustPrivilegeToken
      • outlook_office_path
      • outlook_win_path
      PID:4836

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

Loading Replay Monitor...

Downloads

  • memory/1452-132-0x0000000000ED0000-0x0000000000F6E000-memory.dmp

    Filesize

    632KB

  • memory/1452-133-0x0000000005E40000-0x00000000063E4000-memory.dmp

    Filesize

    5.6MB

  • memory/1452-134-0x0000000005930000-0x00000000059C2000-memory.dmp

    Filesize

    584KB

  • memory/1452-135-0x0000000005920000-0x000000000592A000-memory.dmp

    Filesize

    40KB

  • memory/1452-136-0x0000000009640000-0x00000000096DC000-memory.dmp

    Filesize

    624KB

  • memory/4836-137-0x0000000000000000-mapping.dmp

  • memory/4836-138-0x0000000000400000-0x000000000043C000-memory.dmp

    Filesize

    240KB

  • memory/4836-139-0x0000000005B70000-0x0000000005BD6000-memory.dmp

    Filesize

    408KB

  • memory/4836-140-0x0000000006EF0000-0x0000000006F40000-memory.dmp

    Filesize

    320KB