Analysis

  • max time kernel
    73s
  • max time network
    30s
  • platform
    windows7_x64
  • resource
    win7-20230220-en
  • resource tags

    arch:x64arch:x86image:win7-20230220-enlocale:en-usos:windows7-x64system
  • submitted
    29-03-2023 08:32

General

  • Target

    marv.exe

  • Size

    1017KB

  • MD5

    e91fe201c90f67db8fb79ae57f649b67

  • SHA1

    366acf2cb64c788fd2edb2d6a29f7e89a5980bcf

  • SHA256

    e40944806883dfb2d3d00dc0b5f1285e83dd6fdd4c4023117c519c77cc1e3de4

  • SHA512

    80548be10951a896e7317a792b92826f7e8b348c90868520bcf0001086d2ae2090af8583c7feb005411e0316a1d186d28e26d5058901610e3acffbc5f1e482c5

  • SSDEEP

    24576:EC12zVZ97CF9v0bpGGU+wjY1NHXnNxC3opk:ECAR37c980GAkLK4

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
  • Suspicious use of SetThreadContext 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\marv.exe
    "C:\Users\Admin\AppData\Local\Temp\marv.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious use of WriteProcessMemory
    PID:1704
    • C:\Users\Admin\AppData\Local\Temp\marv.exe
      "C:\Users\Admin\AppData\Local\Temp\marv.exe"
      2⤵
      • Accesses Microsoft Outlook profiles
      • Suspicious use of AdjustPrivilegeToken
      • outlook_office_path
      • outlook_win_path
      PID:1628

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

Loading Replay Monitor...

Downloads

  • memory/1628-67-0x0000000000400000-0x0000000000430000-memory.dmp

    Filesize

    192KB

  • memory/1628-60-0x0000000000400000-0x0000000000430000-memory.dmp

    Filesize

    192KB

  • memory/1628-71-0x0000000004DC0000-0x0000000004E00000-memory.dmp

    Filesize

    256KB

  • memory/1628-70-0x0000000004DC0000-0x0000000004E00000-memory.dmp

    Filesize

    256KB

  • memory/1628-63-0x0000000000400000-0x0000000000430000-memory.dmp

    Filesize

    192KB

  • memory/1628-69-0x0000000000400000-0x0000000000430000-memory.dmp

    Filesize

    192KB

  • memory/1628-65-0x0000000000400000-0x0000000000430000-memory.dmp

    Filesize

    192KB

  • memory/1628-64-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

    Filesize

    4KB

  • memory/1628-61-0x0000000000400000-0x0000000000430000-memory.dmp

    Filesize

    192KB

  • memory/1628-62-0x0000000000400000-0x0000000000430000-memory.dmp

    Filesize

    192KB

  • memory/1704-58-0x0000000005850000-0x00000000058FA000-memory.dmp

    Filesize

    680KB

  • memory/1704-55-0x00000000006E0000-0x0000000000720000-memory.dmp

    Filesize

    256KB

  • memory/1704-54-0x0000000000F70000-0x0000000001074000-memory.dmp

    Filesize

    1.0MB

  • memory/1704-59-0x0000000000680000-0x00000000006B2000-memory.dmp

    Filesize

    200KB

  • memory/1704-57-0x0000000000430000-0x000000000043C000-memory.dmp

    Filesize

    48KB

  • memory/1704-56-0x0000000000480000-0x00000000004A0000-memory.dmp

    Filesize

    128KB