Analysis

  • max time kernel
    119s
  • max time network
    119s
  • platform
    windows7_x64
  • resource
    win7-20231129-en
  • resource tags

    arch:x64arch:x86image:win7-20231129-enlocale:en-usos:windows7-x64system
  • submitted
    05-12-2023 20:08

General

  • Target

    obizx.exe

  • Size

    731KB

  • MD5

    12f10d15b25ffad6e27f76029516058a

  • SHA1

    4d77667087e0560cdf901adce83fd6d34b1b1e55

  • SHA256

    d134c531dc1702e7fb2efb1b65146a367b76cd97c78e23492f2a45719bc80a2a

  • SHA512

    8e25ad75ff060852072753219ce5d6f359651db1dd60f424901374c7cd31cf34bc204e7a9098954dfccbb86e9dedb286b3a0654f9155f6ba8cf48c7d3bf96b18

  • SSDEEP

    12288:aYs5nF8ME6jD/Y8iP1xkn2nJRnBMCz+cbncGUlr+5xjz2hjzN0bP9FBHHo:alPtD/wPzW2diSncFMkhjB81fI

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.

  • Suspicious use of SetThreadContext 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 2 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of WriteProcessMemory 9 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\obizx.exe
    "C:\Users\Admin\AppData\Local\Temp\obizx.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious use of WriteProcessMemory
    PID:2172
    • C:\Users\Admin\AppData\Local\Temp\obizx.exe
      "C:\Users\Admin\AppData\Local\Temp\obizx.exe"
      2⤵
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:1944

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads

  • memory/1944-13-0x0000000000400000-0x0000000000444000-memory.dmp

    Filesize

    272KB

  • memory/1944-15-0x0000000000400000-0x0000000000444000-memory.dmp

    Filesize

    272KB

  • memory/1944-8-0x0000000000400000-0x0000000000444000-memory.dmp

    Filesize

    272KB

  • memory/1944-9-0x0000000000400000-0x0000000000444000-memory.dmp

    Filesize

    272KB

  • memory/1944-20-0x0000000000FF0000-0x0000000001030000-memory.dmp

    Filesize

    256KB

  • memory/1944-19-0x0000000074E50000-0x000000007553E000-memory.dmp

    Filesize

    6.9MB

  • memory/1944-17-0x0000000000400000-0x0000000000444000-memory.dmp

    Filesize

    272KB

  • memory/1944-7-0x0000000000400000-0x0000000000444000-memory.dmp

    Filesize

    272KB

  • memory/1944-10-0x0000000000400000-0x0000000000444000-memory.dmp

    Filesize

    272KB

  • memory/1944-21-0x0000000074E50000-0x000000007553E000-memory.dmp

    Filesize

    6.9MB

  • memory/1944-11-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

    Filesize

    4KB

  • memory/2172-2-0x00000000046B0000-0x00000000046F0000-memory.dmp

    Filesize

    256KB

  • memory/2172-0-0x0000000001140000-0x00000000011FC000-memory.dmp

    Filesize

    752KB

  • memory/2172-1-0x0000000074E50000-0x000000007553E000-memory.dmp

    Filesize

    6.9MB

  • memory/2172-6-0x0000000005C10000-0x0000000005C8E000-memory.dmp

    Filesize

    504KB

  • memory/2172-5-0x0000000000700000-0x000000000070A000-memory.dmp

    Filesize

    40KB

  • memory/2172-18-0x0000000074E50000-0x000000007553E000-memory.dmp

    Filesize

    6.9MB

  • memory/2172-4-0x00000000006E0000-0x00000000006E8000-memory.dmp

    Filesize

    32KB

  • memory/2172-3-0x00000000006C0000-0x00000000006D8000-memory.dmp

    Filesize

    96KB