Analysis

  • max time kernel
    142s
  • max time network
    151s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240226-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240226-enlocale:en-usos:windows10-2004-x64system
  • submitted
    26-03-2024 22:24

General

  • Target

    SecuriteInfo.com.Heur.2253.exe

  • Size

    679KB

  • MD5

    b1422d1b2edbf5a25a17fd89554a34b0

  • SHA1

    79bd1dcad0fa6155fbca11c9a3500baaf46288af

  • SHA256

    d1f0868ae3889a44d3a0f4e0650c8c9f0806cbae37dd5d8966376463b6bcf505

  • SHA512

    2a83d96c2296f53883ce2a2f2004b9f9931adaae8a513782b62a9aebc623b4e4852d185a0fe15944e24c741c6eddf0c31f7366a2ce6360e28dac0193679369d1

  • SSDEEP

    12288:XXqLha5WlNOqfQOztCLLboHdZ6oTePvmkVZJ654R00aqPnfgfIPK1DO88t:nqHp4O+LMZ6oTeP/BccCqfr

Malware Config

Extracted

Credentials

  • Protocol:
    smtp
  • Host:
    mail.ipr-co.org
  • Port:
    587
  • Username:
    [email protected]
  • Password:
    IPRco@100102@

Extracted

Family

agenttesla

Credentials

Signatures

  • AgentTesla

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

  • 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.

  • Suspicious use of SetThreadContext 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 3 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of WriteProcessMemory 8 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\SecuriteInfo.com.Heur.2253.exe
    "C:\Users\Admin\AppData\Local\Temp\SecuriteInfo.com.Heur.2253.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious use of WriteProcessMemory
    PID:1964
    • C:\Users\Admin\AppData\Local\Temp\SecuriteInfo.com.Heur.2253.exe
      "C:\Users\Admin\AppData\Local\Temp\SecuriteInfo.com.Heur.2253.exe"
      2⤵
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:3828
  • 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=3992 --field-trial-handle=2284,i,9807419199535700662,2319175108930815708,262144 --variations-seed-version /prefetch:8
    1⤵
      PID:5116

    Network

    MITRE ATT&CK Matrix ATT&CK v13

    Credential Access

    Unsecured Credentials

    4
    T1552

    Credentials In Files

    3
    T1552.001

    Credentials in Registry

    1
    T1552.002

    Collection

    Data from Local System

    4
    T1005

    Replay Monitor

    Loading Replay Monitor...

    Downloads

    • C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\SecuriteInfo.com.Heur.2253.exe.log
      Filesize

      1KB

      MD5

      8ec831f3e3a3f77e4a7b9cd32b48384c

      SHA1

      d83f09fd87c5bd86e045873c231c14836e76a05c

      SHA256

      7667e538030e3f8ce2886e47a01af24cb0ea70528b1e821c5d8832c5076cb982

      SHA512

      26bffa2406b66368bd412bf25869a792631455645992cdcade2dbc13a2e56fb546414a6a9223b94c96c38d89187add6678d4779a88b38b0c9e36be8527b213c3

    • memory/1964-8-0x0000000007D80000-0x0000000007D8C000-memory.dmp
      Filesize

      48KB

    • memory/1964-3-0x0000000007210000-0x00000000072A2000-memory.dmp
      Filesize

      584KB

    • memory/1964-9-0x00000000025D0000-0x0000000002652000-memory.dmp
      Filesize

      520KB

    • memory/1964-1-0x00000000002C0000-0x0000000000370000-memory.dmp
      Filesize

      704KB

    • memory/1964-5-0x00000000072D0000-0x00000000072DA000-memory.dmp
      Filesize

      40KB

    • memory/1964-6-0x0000000007540000-0x00000000075DC000-memory.dmp
      Filesize

      624KB

    • memory/1964-7-0x0000000007520000-0x0000000007532000-memory.dmp
      Filesize

      72KB

    • memory/1964-0-0x0000000074A40000-0x00000000751F0000-memory.dmp
      Filesize

      7.7MB

    • memory/1964-16-0x0000000074A40000-0x00000000751F0000-memory.dmp
      Filesize

      7.7MB

    • memory/1964-2-0x00000000076D0000-0x0000000007C74000-memory.dmp
      Filesize

      5.6MB

    • memory/1964-4-0x0000000007490000-0x00000000074A0000-memory.dmp
      Filesize

      64KB

    • memory/3828-13-0x0000000074A40000-0x00000000751F0000-memory.dmp
      Filesize

      7.7MB

    • memory/3828-14-0x00000000052E0000-0x00000000052F0000-memory.dmp
      Filesize

      64KB

    • memory/3828-19-0x00000000052E0000-0x00000000052F0000-memory.dmp
      Filesize

      64KB

    • memory/3828-15-0x00000000055A0000-0x0000000005606000-memory.dmp
      Filesize

      408KB

    • memory/3828-17-0x0000000006280000-0x00000000062D0000-memory.dmp
      Filesize

      320KB

    • memory/3828-18-0x0000000074A40000-0x00000000751F0000-memory.dmp
      Filesize

      7.7MB

    • memory/3828-10-0x0000000000400000-0x0000000000440000-memory.dmp
      Filesize

      256KB