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Analysis

  • max time kernel
    139s
  • max time network
    148s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20230915-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20230915-enlocale:en-usos:windows10-2004-x64system
  • submitted
    05/10/2023, 18:57

General

  • Target

    db6d0d7d8fbb083af05032fa8d3d516cf789f2f81fc651749e77bb4f7ba4e5eeexe_JC.exe

  • Size

    1.0MB

  • MD5

    e9af98b06f66a7426d1f90eac46c6dd1

  • SHA1

    f75be774f9c89f5b25013aa800d113efefe4a30e

  • SHA256

    db6d0d7d8fbb083af05032fa8d3d516cf789f2f81fc651749e77bb4f7ba4e5ee

  • SHA512

    8e6451a755977e2bdd6c5fb424a192c4d098c5487b9775d5aff64898da35190d0b98a9f5951ef00f6398681d8246dbb6e2e7991f0f6e51b1f5ce7c358058c458

  • SSDEEP

    24576:IDHNXIiv5uG8BU2yc4u+KfhDhv6joaqYIyCydIJ:wziYqYIti

Score
10/10

Malware Config

Extracted

Credentials

  • Protocol:
    smtp
  • Host:
    mail.joilart.com
  • Port:
    587
  • Username:
    [email protected]
  • Password:
    s861IVO5iP

Signatures

  • 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 2 IoCs
  • Suspicious use of AdjustPrivilegeToken 2 IoCs
  • Suspicious use of SetWindowsHookEx 1 IoCs
  • Suspicious use of WriteProcessMemory 8 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\db6d0d7d8fbb083af05032fa8d3d516cf789f2f81fc651749e77bb4f7ba4e5eeexe_JC.exe
    "C:\Users\Admin\AppData\Local\Temp\db6d0d7d8fbb083af05032fa8d3d516cf789f2f81fc651749e77bb4f7ba4e5eeexe_JC.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:2972
    • C:\Users\Admin\AppData\Local\Temp\db6d0d7d8fbb083af05032fa8d3d516cf789f2f81fc651749e77bb4f7ba4e5eeexe_JC.exe
      C:\Users\Admin\AppData\Local\Temp\db6d0d7d8fbb083af05032fa8d3d516cf789f2f81fc651749e77bb4f7ba4e5eeexe_JC.exe
      2⤵
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of SetWindowsHookEx
      PID:408

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\db6d0d7d8fbb083af05032fa8d3d516cf789f2f81fc651749e77bb4f7ba4e5eeexe_JC.exe.log

    Filesize

    927B

    MD5

    4a911455784f74e368a4c2c7876d76f4

    SHA1

    a1700a0849ffb4f26671eb76da2489946b821c34

    SHA256

    264098e15b5b33d425f3b76e45b7976b58f917048125041135f7e60d8151108c

    SHA512

    4617591400409e1930195795a55e20d5f063042bb3e9fd1955099066e507b6ac8a1e3ae54cc42418e2639149b31bf7e58cd5743670d9030a15e29f14d813815d

  • memory/408-12-0x0000000004E30000-0x0000000004E40000-memory.dmp

    Filesize

    64KB

  • memory/408-20-0x0000000004E30000-0x0000000004E40000-memory.dmp

    Filesize

    64KB

  • memory/408-19-0x0000000074E10000-0x00000000755C0000-memory.dmp

    Filesize

    7.7MB

  • memory/408-18-0x0000000006870000-0x000000000687A000-memory.dmp

    Filesize

    40KB

  • memory/408-17-0x00000000068C0000-0x0000000006952000-memory.dmp

    Filesize

    584KB

  • memory/408-15-0x0000000006780000-0x000000000681C000-memory.dmp

    Filesize

    624KB

  • memory/408-14-0x0000000006690000-0x00000000066E0000-memory.dmp

    Filesize

    320KB

  • memory/408-13-0x0000000004FD0000-0x0000000005036000-memory.dmp

    Filesize

    408KB

  • memory/408-8-0x0000000000400000-0x0000000000442000-memory.dmp

    Filesize

    264KB

  • memory/408-11-0x0000000074E10000-0x00000000755C0000-memory.dmp

    Filesize

    7.7MB

  • memory/2972-5-0x0000000005690000-0x00000000056D0000-memory.dmp

    Filesize

    256KB

  • memory/2972-7-0x0000000005D60000-0x0000000006304000-memory.dmp

    Filesize

    5.6MB

  • memory/2972-6-0x00000000056E0000-0x000000000572C000-memory.dmp

    Filesize

    304KB

  • memory/2972-0-0x0000000074E10000-0x00000000755C0000-memory.dmp

    Filesize

    7.7MB

  • memory/2972-16-0x0000000074E10000-0x00000000755C0000-memory.dmp

    Filesize

    7.7MB

  • memory/2972-4-0x0000000005620000-0x0000000005672000-memory.dmp

    Filesize

    328KB

  • memory/2972-3-0x0000000005540000-0x0000000005592000-memory.dmp

    Filesize

    328KB

  • memory/2972-2-0x0000000005610000-0x0000000005620000-memory.dmp

    Filesize

    64KB

  • memory/2972-1-0x0000000000B30000-0x0000000000C42000-memory.dmp

    Filesize

    1.1MB