Analysis

  • max time kernel
    117s
  • max time network
    117s
  • platform
    windows7_x64
  • resource
    win7-20231130-en
  • resource tags

    arch:x64arch:x86image:win7-20231130-enlocale:en-usos:windows7-x64system
  • submitted
    06-12-2023 01:43

General

  • Target

    706408a437920a28b7beb346f735fea3f51e567b5ee97b2025e61b04ba57b7a3.exe

  • Size

    694KB

  • MD5

    d2cf4d86fd68e732e1b8fbc5bfcfb37c

  • SHA1

    3c36a1b187a8889a7180b66fccee79b3f403ea18

  • SHA256

    706408a437920a28b7beb346f735fea3f51e567b5ee97b2025e61b04ba57b7a3

  • SHA512

    3a6b88d954e95f07f90b50c83041d03c922bf3c0970003eab8b6f2d28dc334a2516ce0ed0b5b6671d64d199d4263f8cacdd1817099ed38e68f5e71a675305b50

  • SSDEEP

    12288:RaDLid7BR6wTuHRD5F46+vrOC8TuYe1rrcqweovbjRsxLCzoxDC:R4LipByLj+viFTu/1Hc9eCbmhCzOC

Malware Config

Extracted

Family

agenttesla

C2

https://api.telegram.org/bot1698102386:AAGwF1zMDcFKPxdmICBbFvdWXY6IHV5KR3E/

Signatures

  • AgentTesla

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

  • 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.

  • Adds Run key to start application 2 TTPs 1 IoCs
  • Looks up external IP address via web service 1 IoCs

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

  • Suspicious use of SetThreadContext 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 6 IoCs
  • Suspicious use of AdjustPrivilegeToken 2 IoCs
  • Suspicious use of SetWindowsHookEx 1 IoCs
  • Suspicious use of WriteProcessMemory 17 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\706408a437920a28b7beb346f735fea3f51e567b5ee97b2025e61b04ba57b7a3.exe
    "C:\Users\Admin\AppData\Local\Temp\706408a437920a28b7beb346f735fea3f51e567b5ee97b2025e61b04ba57b7a3.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:2692
    • C:\Users\Admin\AppData\Local\Temp\706408a437920a28b7beb346f735fea3f51e567b5ee97b2025e61b04ba57b7a3.exe
      "C:\Users\Admin\AppData\Local\Temp\706408a437920a28b7beb346f735fea3f51e567b5ee97b2025e61b04ba57b7a3.exe"
      2⤵
        PID:2900
      • C:\Users\Admin\AppData\Local\Temp\706408a437920a28b7beb346f735fea3f51e567b5ee97b2025e61b04ba57b7a3.exe
        "C:\Users\Admin\AppData\Local\Temp\706408a437920a28b7beb346f735fea3f51e567b5ee97b2025e61b04ba57b7a3.exe"
        2⤵
          PID:2164
        • C:\Users\Admin\AppData\Local\Temp\706408a437920a28b7beb346f735fea3f51e567b5ee97b2025e61b04ba57b7a3.exe
          "C:\Users\Admin\AppData\Local\Temp\706408a437920a28b7beb346f735fea3f51e567b5ee97b2025e61b04ba57b7a3.exe"
          2⤵
          • Adds Run key to start application
          • Suspicious behavior: EnumeratesProcesses
          • Suspicious use of AdjustPrivilegeToken
          • Suspicious use of SetWindowsHookEx
          PID:2248

      Network

      MITRE ATT&CK Enterprise v15

      Replay Monitor

      Loading Replay Monitor...

      Downloads

      • memory/2248-17-0x0000000000400000-0x0000000000444000-memory.dmp

        Filesize

        272KB

      • memory/2248-26-0x00000000003C0000-0x0000000000400000-memory.dmp

        Filesize

        256KB

      • memory/2248-25-0x00000000740D0000-0x00000000747BE000-memory.dmp

        Filesize

        6.9MB

      • memory/2248-13-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

        Filesize

        4KB

      • memory/2248-15-0x0000000000400000-0x0000000000444000-memory.dmp

        Filesize

        272KB

      • memory/2248-22-0x00000000003C0000-0x0000000000400000-memory.dmp

        Filesize

        256KB

      • memory/2248-21-0x00000000740D0000-0x00000000747BE000-memory.dmp

        Filesize

        6.9MB

      • memory/2248-7-0x0000000000400000-0x0000000000444000-memory.dmp

        Filesize

        272KB

      • memory/2248-9-0x0000000000400000-0x0000000000444000-memory.dmp

        Filesize

        272KB

      • memory/2248-11-0x0000000000400000-0x0000000000444000-memory.dmp

        Filesize

        272KB

      • memory/2248-12-0x0000000000400000-0x0000000000444000-memory.dmp

        Filesize

        272KB

      • memory/2248-19-0x0000000000400000-0x0000000000444000-memory.dmp

        Filesize

        272KB

      • memory/2692-5-0x0000000000420000-0x000000000042A000-memory.dmp

        Filesize

        40KB

      • memory/2692-6-0x0000000000350000-0x00000000003CE000-memory.dmp

        Filesize

        504KB

      • memory/2692-0-0x0000000000290000-0x0000000000344000-memory.dmp

        Filesize

        720KB

      • memory/2692-20-0x00000000740D0000-0x00000000747BE000-memory.dmp

        Filesize

        6.9MB

      • memory/2692-4-0x0000000000400000-0x0000000000408000-memory.dmp

        Filesize

        32KB

      • memory/2692-3-0x0000000000470000-0x000000000048A000-memory.dmp

        Filesize

        104KB

      • memory/2692-2-0x0000000004CD0000-0x0000000004D10000-memory.dmp

        Filesize

        256KB

      • memory/2692-1-0x00000000740D0000-0x00000000747BE000-memory.dmp

        Filesize

        6.9MB