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
    23-05-2024 01:00

General

  • Target

    015ddffd4dc9f5e7f09d79f5d60d5ef42b9054f63522766fd5f2ecbb7196d667.exe

  • Size

    2.5MB

  • MD5

    8777abeae397cf3033273c614b777c2e

  • SHA1

    c90bdf41a1447986b7307ba256613e2e21c62a33

  • SHA256

    015ddffd4dc9f5e7f09d79f5d60d5ef42b9054f63522766fd5f2ecbb7196d667

  • SHA512

    3a89ba6b462f8648122d8b9b2fc9cb9be2d46614cfec0c3ab3193ae86f0a8aba561a88d63d0009167686bd44ac3ecaf1f0ad808fcee722d84995fdf2c5fe6fcf

  • SSDEEP

    24576:1qCdMP5SdezpyFNrhSCPuoX0k6O2BusxExVJhevLg31+mYGnKBF2JETXHOa5WL3n:1P6hSrcCPT0JvLg31+mYGnKDRTXs3S4

Malware Config

Extracted

Credentials

  • Protocol:
    smtp
  • Host:
    mail.temikan.com.tr
  • Port:
    587
  • Username:
    [email protected]
  • Password:
    temikan63

Extracted

Family

agenttesla

Credentials

Signatures

  • AgentTesla

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

  • Detect packed .NET executables. Mostly AgentTeslaV4. 1 IoCs
  • Detects binaries (Windows and macOS) referencing many web browsers. Observed in information stealers. 1 IoCs
  • Detects executables referencing Windows vault credential objects. Observed in infostealers 1 IoCs
  • Detects executables referencing many confidential data stores found in browsers, mail clients, cryptocurreny wallets, etc. Observed in information stealers 1 IoCs
  • Detects executables referencing many email and collaboration clients. Observed in information stealers 1 IoCs
  • Detects executables referencing many file transfer clients. Observed in information stealers 1 IoCs
  • Adds Run key to start application 2 TTPs 1 IoCs
  • 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 WriteProcessMemory 12 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\015ddffd4dc9f5e7f09d79f5d60d5ef42b9054f63522766fd5f2ecbb7196d667.exe
    "C:\Users\Admin\AppData\Local\Temp\015ddffd4dc9f5e7f09d79f5d60d5ef42b9054f63522766fd5f2ecbb7196d667.exe"
    1⤵
    • Adds Run key to start application
    • Suspicious use of SetThreadContext
    • Suspicious use of WriteProcessMemory
    PID:5008
    • C:\Windows\Microsoft.NET\Framework\v4.0.30319\msbuild.exe
      "C:\Windows\Microsoft.NET\Framework\v4.0.30319\msbuild.exe"
      2⤵
        PID:4520
      • C:\Windows\Microsoft.NET\Framework\v4.0.30319\jsc.exe
        "C:\Windows\Microsoft.NET\Framework\v4.0.30319\jsc.exe"
        2⤵
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of AdjustPrivilegeToken
        PID:3904
    • 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=3740 --field-trial-handle=2676,i,447940133669489189,1353734109898858672,262144 --variations-seed-version /prefetch:8
      1⤵
        PID:2308

      Network

      MITRE ATT&CK Enterprise v15

      Replay Monitor

      Loading Replay Monitor...

      Downloads

      • memory/3904-1-0x0000000000400000-0x0000000000440000-memory.dmp

        Filesize

        256KB

      • memory/3904-2-0x00000000753BE000-0x00000000753BF000-memory.dmp

        Filesize

        4KB

      • memory/3904-3-0x0000000005880000-0x0000000005E24000-memory.dmp

        Filesize

        5.6MB

      • memory/3904-4-0x00000000753B0000-0x0000000075B60000-memory.dmp

        Filesize

        7.7MB

      • memory/3904-5-0x0000000005340000-0x00000000053A6000-memory.dmp

        Filesize

        408KB

      • memory/3904-6-0x00000000753BE000-0x00000000753BF000-memory.dmp

        Filesize

        4KB

      • memory/3904-7-0x00000000069F0000-0x0000000006A40000-memory.dmp

        Filesize

        320KB

      • memory/3904-8-0x0000000006AE0000-0x0000000006B7C000-memory.dmp

        Filesize

        624KB

      • memory/3904-9-0x00000000753B0000-0x0000000075B60000-memory.dmp

        Filesize

        7.7MB

      • memory/3904-10-0x0000000006D20000-0x0000000006DB2000-memory.dmp

        Filesize

        584KB

      • memory/3904-11-0x0000000006CF0000-0x0000000006CFA000-memory.dmp

        Filesize

        40KB