Analysis

  • max time kernel
    147s
  • max time network
    154s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240226-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240226-enlocale:en-usos:windows10-2004-x64system
  • submitted
    28/02/2024, 01:07

General

  • Target

    DHL9407155789.exe

  • Size

    790KB

  • MD5

    0cc7ea8604079f77c76b13049c47f22a

  • SHA1

    c30e82a0f13f57ae766633a1fe7221e60db4d19e

  • SHA256

    9344791020d84c327e17e94aaabcec10a2c37199484b05429493236fda65df01

  • SHA512

    f47057fc67e12faace21b5aa5bbf6df960ef97bb1459232ad014cb4f587376c88dbf1961d81941af9b48df6c0b5a097ad48e500c5fce5e4e798264cd02d7feca

  • SSDEEP

    12288:ma1ScVYsq0fJPnFPq9qvZJMpyNTBOFHq9abIPBrlpEyKP4biOR/:TSOYs/5Fi9OMpyNTBPw+BpkCiA/

Malware Config

Extracted

Credentials

  • Protocol:
    smtp
  • Host:
    smtp.childs-plays.com
  • Port:
    587
  • Username:
    [email protected]
  • Password:
    yuttrge7v

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.

  • 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 15 IoCs
  • Suspicious use of AdjustPrivilegeToken 2 IoCs
  • Suspicious use of WriteProcessMemory 14 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\DHL9407155789.exe
    "C:\Users\Admin\AppData\Local\Temp\DHL9407155789.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:2512
    • C:\Users\Admin\AppData\Local\Temp\DHL9407155789.exe
      "C:\Users\Admin\AppData\Local\Temp\DHL9407155789.exe"
      2⤵
        PID:2552
      • C:\Users\Admin\AppData\Local\Temp\DHL9407155789.exe
        "C:\Users\Admin\AppData\Local\Temp\DHL9407155789.exe"
        2⤵
          PID:3220
        • C:\Users\Admin\AppData\Local\Temp\DHL9407155789.exe
          "C:\Users\Admin\AppData\Local\Temp\DHL9407155789.exe"
          2⤵
          • Suspicious behavior: EnumeratesProcesses
          • Suspicious use of AdjustPrivilegeToken
          PID:1092

      Network

            MITRE ATT&CK Enterprise v15

            Replay Monitor

            Loading Replay Monitor...

            Downloads

            • C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\DHL9407155789.exe.log

              Filesize

              1KB

              MD5

              b7b9acb869ccc7f7ecb5304ec0384dee

              SHA1

              6a90751c95817903ee833d59a0abbef425a613b3

              SHA256

              8cb00a15cd942a1861c573d86d6fb430512c8e2f80f6349f48b16b8709ca7aa4

              SHA512

              7bec881ac5f59ac26f1be1e7e26d63f040c06369de10c1c246e531a4395d27c335d9acc647ecdedb48ed37bdc2dc405a4cfc11762e1c00659a49be259eaf8764

            • memory/1092-14-0x0000000000400000-0x0000000000440000-memory.dmp

              Filesize

              256KB

            • memory/1092-23-0x00000000052C0000-0x00000000052D0000-memory.dmp

              Filesize

              64KB

            • memory/1092-22-0x0000000074670000-0x0000000074E20000-memory.dmp

              Filesize

              7.7MB

            • memory/1092-21-0x0000000006970000-0x00000000069C0000-memory.dmp

              Filesize

              320KB

            • memory/1092-20-0x0000000005410000-0x0000000005476000-memory.dmp

              Filesize

              408KB

            • memory/1092-17-0x0000000074670000-0x0000000074E20000-memory.dmp

              Filesize

              7.7MB

            • memory/1092-18-0x00000000052C0000-0x00000000052D0000-memory.dmp

              Filesize

              64KB

            • memory/2512-5-0x00000000059F0000-0x0000000005A00000-memory.dmp

              Filesize

              64KB

            • memory/2512-7-0x0000000005E50000-0x0000000005E6C000-memory.dmp

              Filesize

              112KB

            • memory/2512-10-0x000000000DF20000-0x000000000DFA2000-memory.dmp

              Filesize

              520KB

            • memory/2512-11-0x0000000011770000-0x000000001180C000-memory.dmp

              Filesize

              624KB

            • memory/2512-12-0x0000000074670000-0x0000000074E20000-memory.dmp

              Filesize

              7.7MB

            • memory/2512-13-0x00000000059F0000-0x0000000005A00000-memory.dmp

              Filesize

              64KB

            • memory/2512-8-0x0000000005E80000-0x0000000005E8C000-memory.dmp

              Filesize

              48KB

            • memory/2512-9-0x0000000005EA0000-0x0000000005EB2000-memory.dmp

              Filesize

              72KB

            • memory/2512-19-0x0000000074670000-0x0000000074E20000-memory.dmp

              Filesize

              7.7MB

            • memory/2512-6-0x00000000058E0000-0x00000000058EA000-memory.dmp

              Filesize

              40KB

            • memory/2512-0-0x0000000000CB0000-0x0000000000D7C000-memory.dmp

              Filesize

              816KB

            • memory/2512-4-0x0000000005A00000-0x0000000005D54000-memory.dmp

              Filesize

              3.3MB

            • memory/2512-3-0x00000000057D0000-0x0000000005862000-memory.dmp

              Filesize

              584KB

            • memory/2512-2-0x0000000005EC0000-0x0000000006464000-memory.dmp

              Filesize

              5.6MB

            • memory/2512-1-0x0000000074670000-0x0000000074E20000-memory.dmp

              Filesize

              7.7MB