Analysis

  • max time kernel
    142s
  • max time network
    148s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240226-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240226-enlocale:en-usos:windows10-2004-x64system
  • submitted
    10/05/2024, 08:31

General

  • Target

    Dekont.pdf.exe

  • Size

    2.7MB

  • MD5

    1838b0d77116ac4d54515f316c4ab532

  • SHA1

    b17495dc6aa2f72c67d5cdb9744f23e79fbb59b3

  • SHA256

    389d986a90326bd042f4ad223f23d221a6f6f98947b05a8e4bd9ac962b42a245

  • SHA512

    2ef32507f5a07d6b5ed78209be08036ec53d1c93c7cb9f7214656b60073f580de3e9dc0a46caa5f86906a5ed4e2b8c4146a8f086abb6dbafc6a19ef0c1c83d69

  • SSDEEP

    49152:+6l+Mj9OUCyLM6z0ugksTyoNvLgNze5bRQ7uPlul9Al0y4KSQ3GNJ6ySQCPF:nAoOU7LM6z0uKDkehy7wMbau6ySQCP

Malware Config

Extracted

Credentials

  • Protocol:
    smtp
  • Host:
    mail.gencoldfire.com
  • Port:
    587
  • Username:
    [email protected]
  • Password:
    %j#!%z2b/?qM68K#

Extracted

Family

agenttesla

Credentials

Signatures

  • AgentTesla

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

  • Detect ZGRat V1 34 IoCs
  • ZGRat

    ZGRat is remote access trojan written in C#.

  • Reads WinSCP keys stored on the system 2 TTPs

    Tries to access WinSCP stored sessions.

  • 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 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 2 IoCs
  • Suspicious use of AdjustPrivilegeToken 3 IoCs
  • Suspicious use of WriteProcessMemory 8 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\Dekont.pdf.exe
    "C:\Users\Admin\AppData\Local\Temp\Dekont.pdf.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:452
    • C:\Users\Admin\AppData\Local\Temp\Dekont.pdf.exe
      "C:\Users\Admin\AppData\Local\Temp\Dekont.pdf.exe"
      2⤵
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:4288
  • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
    "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=utility --utility-sub-type=asset_store.mojom.AssetStoreService --lang=en-US --service-sandbox-type=asset_store_service --no-appcompat-clear --mojo-platform-channel-handle=4136 --field-trial-handle=2744,i,16362475727591565961,3676688664819797550,262144 --variations-seed-version /prefetch:8
    1⤵
      PID:4624

    Network

    MITRE ATT&CK Enterprise v15

    Replay Monitor

    Loading Replay Monitor...

    Downloads

    • C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\Dekont.pdf.exe.log

      Filesize

      805B

      MD5

      4b74e933d78bd5e8fb1cc4653fb2133c

      SHA1

      f6e931eec700fa325bd40c3adc6f1c0eba806066

      SHA256

      fd99bed17853f5ad196ca6d4a62f5e2405fbdf5b98cbf45af8b7cef83e4bcec3

      SHA512

      b56ff89eff1a757a87dcb875206ae92d39ffdb5adf638600c21bc7c76ff4cc25502ae1060716488c7ed1641f8cdfad2a320443b7b4d9f09808eb86eb87f351ec

    • memory/452-0-0x00000000747DE000-0x00000000747DF000-memory.dmp

      Filesize

      4KB

    • memory/452-1-0x00000000008D0000-0x0000000000B84000-memory.dmp

      Filesize

      2.7MB

    • memory/452-2-0x00000000747D0000-0x0000000074F80000-memory.dmp

      Filesize

      7.7MB

    • memory/452-3-0x0000000005DB0000-0x0000000006208000-memory.dmp

      Filesize

      4.3MB

    • memory/452-4-0x00000000086A0000-0x00000000088D0000-memory.dmp

      Filesize

      2.2MB

    • memory/452-5-0x0000000008E80000-0x0000000009424000-memory.dmp

      Filesize

      5.6MB

    • memory/452-6-0x00000000088D0000-0x0000000008962000-memory.dmp

      Filesize

      584KB

    • memory/452-14-0x00000000086A0000-0x00000000088CA000-memory.dmp

      Filesize

      2.2MB

    • memory/452-8-0x00000000086A0000-0x00000000088CA000-memory.dmp

      Filesize

      2.2MB

    • memory/452-12-0x00000000086A0000-0x00000000088CA000-memory.dmp

      Filesize

      2.2MB

    • memory/452-26-0x00000000086A0000-0x00000000088CA000-memory.dmp

      Filesize

      2.2MB

    • memory/452-66-0x00000000086A0000-0x00000000088CA000-memory.dmp

      Filesize

      2.2MB

    • memory/452-70-0x00000000086A0000-0x00000000088CA000-memory.dmp

      Filesize

      2.2MB

    • memory/452-68-0x00000000086A0000-0x00000000088CA000-memory.dmp

      Filesize

      2.2MB

    • memory/452-64-0x00000000086A0000-0x00000000088CA000-memory.dmp

      Filesize

      2.2MB

    • memory/452-60-0x00000000086A0000-0x00000000088CA000-memory.dmp

      Filesize

      2.2MB

    • memory/452-58-0x00000000086A0000-0x00000000088CA000-memory.dmp

      Filesize

      2.2MB

    • memory/452-56-0x00000000086A0000-0x00000000088CA000-memory.dmp

      Filesize

      2.2MB

    • memory/452-54-0x00000000086A0000-0x00000000088CA000-memory.dmp

      Filesize

      2.2MB

    • memory/452-52-0x00000000086A0000-0x00000000088CA000-memory.dmp

      Filesize

      2.2MB

    • memory/452-50-0x00000000086A0000-0x00000000088CA000-memory.dmp

      Filesize

      2.2MB

    • memory/452-62-0x00000000086A0000-0x00000000088CA000-memory.dmp

      Filesize

      2.2MB

    • memory/452-48-0x00000000086A0000-0x00000000088CA000-memory.dmp

      Filesize

      2.2MB

    • memory/452-46-0x00000000086A0000-0x00000000088CA000-memory.dmp

      Filesize

      2.2MB

    • memory/452-42-0x00000000086A0000-0x00000000088CA000-memory.dmp

      Filesize

      2.2MB

    • memory/452-40-0x00000000086A0000-0x00000000088CA000-memory.dmp

      Filesize

      2.2MB

    • memory/452-39-0x00000000086A0000-0x00000000088CA000-memory.dmp

      Filesize

      2.2MB

    • memory/452-36-0x00000000086A0000-0x00000000088CA000-memory.dmp

      Filesize

      2.2MB

    • memory/452-34-0x00000000086A0000-0x00000000088CA000-memory.dmp

      Filesize

      2.2MB

    • memory/452-32-0x00000000086A0000-0x00000000088CA000-memory.dmp

      Filesize

      2.2MB

    • memory/452-28-0x00000000086A0000-0x00000000088CA000-memory.dmp

      Filesize

      2.2MB

    • memory/452-24-0x00000000086A0000-0x00000000088CA000-memory.dmp

      Filesize

      2.2MB

    • memory/452-22-0x00000000086A0000-0x00000000088CA000-memory.dmp

      Filesize

      2.2MB

    • memory/452-20-0x00000000086A0000-0x00000000088CA000-memory.dmp

      Filesize

      2.2MB

    • memory/452-18-0x00000000086A0000-0x00000000088CA000-memory.dmp

      Filesize

      2.2MB

    • memory/452-16-0x00000000086A0000-0x00000000088CA000-memory.dmp

      Filesize

      2.2MB

    • memory/452-44-0x00000000086A0000-0x00000000088CA000-memory.dmp

      Filesize

      2.2MB

    • memory/452-30-0x00000000086A0000-0x00000000088CA000-memory.dmp

      Filesize

      2.2MB

    • memory/452-10-0x00000000086A0000-0x00000000088CA000-memory.dmp

      Filesize

      2.2MB

    • memory/452-7-0x00000000086A0000-0x00000000088CA000-memory.dmp

      Filesize

      2.2MB

    • memory/452-4887-0x00000000747D0000-0x0000000074F80000-memory.dmp

      Filesize

      7.7MB

    • memory/452-4888-0x0000000005C70000-0x0000000005CDC000-memory.dmp

      Filesize

      432KB

    • memory/452-4889-0x0000000005CE0000-0x0000000005D2C000-memory.dmp

      Filesize

      304KB

    • memory/452-4890-0x0000000006430000-0x0000000006484000-memory.dmp

      Filesize

      336KB

    • memory/452-4896-0x00000000747D0000-0x0000000074F80000-memory.dmp

      Filesize

      7.7MB

    • memory/4288-4894-0x0000000000400000-0x0000000000442000-memory.dmp

      Filesize

      264KB

    • memory/4288-4895-0x00000000747D0000-0x0000000074F80000-memory.dmp

      Filesize

      7.7MB

    • memory/4288-4897-0x00000000747D0000-0x0000000074F80000-memory.dmp

      Filesize

      7.7MB

    • memory/4288-4898-0x0000000005700000-0x0000000005766000-memory.dmp

      Filesize

      408KB

    • memory/4288-4899-0x0000000006D70000-0x0000000006DC0000-memory.dmp

      Filesize

      320KB

    • memory/4288-4900-0x0000000006E60000-0x0000000006EFC000-memory.dmp

      Filesize

      624KB

    • memory/4288-4901-0x0000000007060000-0x000000000706A000-memory.dmp

      Filesize

      40KB

    • memory/4288-4902-0x00000000747D0000-0x0000000074F80000-memory.dmp

      Filesize

      7.7MB