Analysis

  • max time kernel
    121s
  • max time network
    123s
  • platform
    windows7_x64
  • resource
    win7-20230831-en
  • resource tags

    arch:x64arch:x86image:win7-20230831-enlocale:en-usos:windows7-x64system
  • submitted
    18-09-2023 15:48

General

  • Target

    18d6a7766721121d4b54f2b5eef76e17.exe

  • Size

    695KB

  • MD5

    18d6a7766721121d4b54f2b5eef76e17

  • SHA1

    2395e0a5b3980f283eaffee8302d8581dbdc6175

  • SHA256

    e1453fb8c21b01fc95b2441e260e982516915d11c34c6e25f5208c173bed72df

  • SHA512

    79982597e6b0c3d5b95745326d9be7203ccb66b2d7165b7c534f6fca49baeef5b9613d0d94f1196d5aadf294e152e0352b10f19330528e7d85f8894d54b090b8

  • SSDEEP

    12288:XAfDuHOX+J+hlsYlt36ENuaxdPZcafD3uGw0PYNDWA2P01oDbJDAkqJaf6RMQZkg:XgkJ+hOYl5NuaxdRceulkYxWJ0YJMtP

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 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\18d6a7766721121d4b54f2b5eef76e17.exe
    "C:\Users\Admin\AppData\Local\Temp\18d6a7766721121d4b54f2b5eef76e17.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious use of WriteProcessMemory
    PID:3020
    • C:\Users\Admin\AppData\Local\Temp\18d6a7766721121d4b54f2b5eef76e17.exe
      "C:\Users\Admin\AppData\Local\Temp\18d6a7766721121d4b54f2b5eef76e17.exe"
      2⤵
      • Accesses Microsoft Outlook profiles
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      • outlook_office_path
      • outlook_win_path
      PID:2004

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads

  • memory/2004-16-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

    Filesize

    4KB

  • memory/2004-27-0x00000000005E0000-0x0000000000620000-memory.dmp

    Filesize

    256KB

  • memory/2004-26-0x00000000741D0000-0x00000000748BE000-memory.dmp

    Filesize

    6.9MB

  • memory/2004-25-0x00000000005E0000-0x0000000000620000-memory.dmp

    Filesize

    256KB

  • memory/2004-24-0x00000000741D0000-0x00000000748BE000-memory.dmp

    Filesize

    6.9MB

  • memory/2004-22-0x0000000000400000-0x0000000000442000-memory.dmp

    Filesize

    264KB

  • memory/2004-20-0x0000000000400000-0x0000000000442000-memory.dmp

    Filesize

    264KB

  • memory/2004-18-0x0000000000400000-0x0000000000442000-memory.dmp

    Filesize

    264KB

  • memory/2004-8-0x0000000000400000-0x0000000000442000-memory.dmp

    Filesize

    264KB

  • memory/2004-10-0x0000000000400000-0x0000000000442000-memory.dmp

    Filesize

    264KB

  • memory/2004-12-0x0000000000400000-0x0000000000442000-memory.dmp

    Filesize

    264KB

  • memory/2004-14-0x0000000000400000-0x0000000000442000-memory.dmp

    Filesize

    264KB

  • memory/3020-5-0x0000000004D00000-0x0000000004D40000-memory.dmp

    Filesize

    256KB

  • memory/3020-7-0x000000000A3C0000-0x000000000A43C000-memory.dmp

    Filesize

    496KB

  • memory/3020-6-0x0000000000320000-0x000000000032A000-memory.dmp

    Filesize

    40KB

  • memory/3020-23-0x00000000741D0000-0x00000000748BE000-memory.dmp

    Filesize

    6.9MB

  • memory/3020-0-0x00000000104C0000-0x0000000010574000-memory.dmp

    Filesize

    720KB

  • memory/3020-4-0x00000000741D0000-0x00000000748BE000-memory.dmp

    Filesize

    6.9MB

  • memory/3020-3-0x0000000000300000-0x0000000000318000-memory.dmp

    Filesize

    96KB

  • memory/3020-2-0x0000000004D00000-0x0000000004D40000-memory.dmp

    Filesize

    256KB

  • memory/3020-1-0x00000000741D0000-0x00000000748BE000-memory.dmp

    Filesize

    6.9MB