Analysis

  • max time kernel
    118s
  • max time network
    121s
  • platform
    windows7_x64
  • resource
    win7-20231023-en
  • resource tags

    arch:x64arch:x86image:win7-20231023-enlocale:en-usos:windows7-x64system
  • submitted
    11-12-2023 07:56

General

  • Target

    Halkbank_Ekstre_20191102_073809_405251-PDF.exe

  • Size

    908KB

  • MD5

    d53f9da1e548649fad0874f345dbafc6

  • SHA1

    2d1bcf3e6bf202bc084e0ffae51457369b841f68

  • SHA256

    ff35d25496862b10860706136636b1001bd46f42856bd75fb4f8c32ca2fa05c0

  • SHA512

    1e69ef400da0f31c453539bb73350c5e1a470be7fdb8983000715da22ae13a60e7dcff5a93922eddea4db0e16255bc70f3f8841c0e9a244b78b5711ca29ce361

  • SSDEEP

    12288:9N3IU8S6eUdOvefG/C0nEScfhKJGdB6RZTdGX+BfzN/CASPKgSYtlx16wqjpkFAI:bItSAdOvLtEl5E/dGX+xz5CALySF1q

Malware Config

Extracted

Family

agenttesla

Credentials

Signatures

  • AgentTesla

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

  • Detect ZGRat V1 1 IoCs
  • ZGRat

    ZGRat is remote access trojan written in C#.

  • 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.

  • 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 SetWindowsHookEx 1 IoCs
  • Suspicious use of WriteProcessMemory 9 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\Halkbank_Ekstre_20191102_073809_405251-PDF.exe
    "C:\Users\Admin\AppData\Local\Temp\Halkbank_Ekstre_20191102_073809_405251-PDF.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious use of WriteProcessMemory
    PID:836
    • C:\Users\Admin\AppData\Local\Temp\Halkbank_Ekstre_20191102_073809_405251-PDF.exe
      "C:\Users\Admin\AppData\Local\Temp\Halkbank_Ekstre_20191102_073809_405251-PDF.exe"
      2⤵
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of SetWindowsHookEx
      PID:2784

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads

  • memory/836-22-0x0000000074920000-0x000000007500E000-memory.dmp

    Filesize

    6.9MB

  • memory/836-2-0x00000000022D0000-0x0000000002310000-memory.dmp

    Filesize

    256KB

  • memory/836-0-0x0000000000A00000-0x0000000000AE8000-memory.dmp

    Filesize

    928KB

  • memory/836-3-0x0000000000400000-0x0000000000418000-memory.dmp

    Filesize

    96KB

  • memory/836-4-0x00000000003E0000-0x00000000003E8000-memory.dmp

    Filesize

    32KB

  • memory/836-5-0x0000000000440000-0x000000000044A000-memory.dmp

    Filesize

    40KB

  • memory/836-6-0x0000000007CF0000-0x0000000007D6C000-memory.dmp

    Filesize

    496KB

  • memory/836-1-0x0000000074920000-0x000000007500E000-memory.dmp

    Filesize

    6.9MB

  • memory/2784-25-0x0000000074920000-0x000000007500E000-memory.dmp

    Filesize

    6.9MB

  • memory/2784-17-0x0000000000400000-0x0000000000442000-memory.dmp

    Filesize

    264KB

  • memory/2784-21-0x0000000000400000-0x0000000000442000-memory.dmp

    Filesize

    264KB

  • memory/2784-23-0x0000000074920000-0x000000007500E000-memory.dmp

    Filesize

    6.9MB

  • memory/2784-19-0x0000000000400000-0x0000000000442000-memory.dmp

    Filesize

    264KB

  • memory/2784-15-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

    Filesize

    4KB

  • memory/2784-13-0x0000000000400000-0x0000000000442000-memory.dmp

    Filesize

    264KB

  • memory/2784-11-0x0000000000400000-0x0000000000442000-memory.dmp

    Filesize

    264KB

  • memory/2784-9-0x0000000000400000-0x0000000000442000-memory.dmp

    Filesize

    264KB

  • memory/2784-7-0x0000000000400000-0x0000000000442000-memory.dmp

    Filesize

    264KB

  • memory/2784-24-0x00000000048B0000-0x00000000048F0000-memory.dmp

    Filesize

    256KB