Analysis

  • max time kernel
    118s
  • max time network
    127s
  • platform
    windows7_x64
  • resource
    win7-20231020-en
  • resource tags

    arch:x64arch:x86image:win7-20231020-enlocale:en-usos:windows7-x64system
  • submitted
    08-12-2023 02:10

General

  • Target

    b85ec101bba6fdd5ebb4846dc9658670e2e79bc54c0bd0565afb15b8379afac0.exe

  • Size

    754KB

  • MD5

    f322e2b5229cb96503df2f12de0eb3f4

  • SHA1

    c865d01a8c19765dd64ec996ccfdd54d3f21aa3d

  • SHA256

    b85ec101bba6fdd5ebb4846dc9658670e2e79bc54c0bd0565afb15b8379afac0

  • SHA512

    348e60518cd4baca14a0f3eb8608be247fcaa87a8183cc16cf7140fc0a016a5c56c25b0ff4689cc1fbee4ab21b5399da39daf73dd07742188bf42790ef78680b

  • SSDEEP

    12288:rGuhkZ5ee3acFuy9n2YxIy5cGju8e8J71Upgen16m+QXomPvOfCf:r/K/eWZFuonIicGVpe16QXomPvOfk

Malware Config

Extracted

Family

agenttesla

Credentials

  • Protocol:
    smtp
  • Host:
    smtp.obynnehhhan.com
  • Port:
    587
  • Username:
    [email protected]
  • Password:
    G$MUuYG3

Signatures

  • AgentTesla

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

  • AgentTesla payload 5 IoCs
  • 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 behavior: EnumeratesProcesses 3 IoCs
  • Suspicious use of AdjustPrivilegeToken 2 IoCs
  • Suspicious use of WriteProcessMemory 13 IoCs
  • outlook_office_path 1 IoCs
  • outlook_win_path 1 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\b85ec101bba6fdd5ebb4846dc9658670e2e79bc54c0bd0565afb15b8379afac0.exe
    "C:\Users\Admin\AppData\Local\Temp\b85ec101bba6fdd5ebb4846dc9658670e2e79bc54c0bd0565afb15b8379afac0.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:1168
    • C:\Users\Admin\AppData\Local\Temp\b85ec101bba6fdd5ebb4846dc9658670e2e79bc54c0bd0565afb15b8379afac0.exe
      "C:\Users\Admin\AppData\Local\Temp\b85ec101bba6fdd5ebb4846dc9658670e2e79bc54c0bd0565afb15b8379afac0.exe"
      2⤵
        PID:2372
      • C:\Users\Admin\AppData\Local\Temp\b85ec101bba6fdd5ebb4846dc9658670e2e79bc54c0bd0565afb15b8379afac0.exe
        "C:\Users\Admin\AppData\Local\Temp\b85ec101bba6fdd5ebb4846dc9658670e2e79bc54c0bd0565afb15b8379afac0.exe"
        2⤵
        • Accesses Microsoft Outlook profiles
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of AdjustPrivilegeToken
        • outlook_office_path
        • outlook_win_path
        PID:2720

    Network

    MITRE ATT&CK Enterprise v15

    Replay Monitor

    Loading Replay Monitor...

    Downloads

    • memory/1168-0-0x0000000000EE0000-0x0000000000FA2000-memory.dmp

      Filesize

      776KB

    • memory/1168-1-0x0000000074960000-0x000000007504E000-memory.dmp

      Filesize

      6.9MB

    • memory/1168-2-0x0000000000E40000-0x0000000000E80000-memory.dmp

      Filesize

      256KB

    • memory/1168-3-0x0000000000A60000-0x0000000000A7A000-memory.dmp

      Filesize

      104KB

    • memory/1168-4-0x0000000000AD0000-0x0000000000AD8000-memory.dmp

      Filesize

      32KB

    • memory/1168-5-0x0000000000B20000-0x0000000000B2A000-memory.dmp

      Filesize

      40KB

    • memory/1168-6-0x0000000004EE0000-0x0000000004F56000-memory.dmp

      Filesize

      472KB

    • memory/1168-18-0x0000000074960000-0x000000007504E000-memory.dmp

      Filesize

      6.9MB

    • memory/2720-8-0x0000000000400000-0x000000000043C000-memory.dmp

      Filesize

      240KB

    • memory/2720-10-0x0000000000400000-0x000000000043C000-memory.dmp

      Filesize

      240KB

    • memory/2720-11-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

      Filesize

      4KB

    • memory/2720-9-0x0000000000400000-0x000000000043C000-memory.dmp

      Filesize

      240KB

    • memory/2720-13-0x0000000000400000-0x000000000043C000-memory.dmp

      Filesize

      240KB

    • memory/2720-17-0x0000000000400000-0x000000000043C000-memory.dmp

      Filesize

      240KB

    • memory/2720-15-0x0000000000400000-0x000000000043C000-memory.dmp

      Filesize

      240KB

    • memory/2720-19-0x0000000074960000-0x000000007504E000-memory.dmp

      Filesize

      6.9MB

    • memory/2720-7-0x0000000000400000-0x000000000043C000-memory.dmp

      Filesize

      240KB

    • memory/2720-20-0x0000000004990000-0x00000000049D0000-memory.dmp

      Filesize

      256KB

    • memory/2720-21-0x0000000074960000-0x000000007504E000-memory.dmp

      Filesize

      6.9MB