Analysis

  • max time kernel
    93s
  • max time network
    94s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240802-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
  • submitted
    03-10-2024 12:27

General

  • Target

    QUOTATIONS#08670.exe

  • Size

    1.3MB

  • MD5

    b88a9908634769557e2b6396f634c4ae

  • SHA1

    49ee7bf7463600dd8cd4b650ac0644c1a4ffb239

  • SHA256

    fa7d9ffd715033a0b922b2b65f1fa6da05bb9feafe1432a9cc0863f7f640a3f9

  • SHA512

    c7188d41e7bf479cbaf0cda3c3c2b585aff910849d4eaf40aa80362f05268bf7eaa765cd21dd266acee62c121e1597eb85828c1a5323318dff80b96810a855c8

  • SSDEEP

    12288:HCC3OpHnvQoS7uwXMox9rqKiZDhYkS07bRKu0ZATyMw57+xvoKyq5L/nqF0ECD45:H33MHn4o7wXZx9rQS0/QWzgF5Qvww

Malware Config

Extracted

Credentials

  • Protocol:
    ftp
  • Host:
    ftp.ercolina-usa.com
  • Port:
    21
  • Username:
    [email protected]
  • Password:
    uy,o#mZj8$lY

Extracted

Family

agenttesla

Credentials

  • Protocol:
    ftp
  • Host:
    ftp://ftp.ercolina-usa.com
  • Port:
    21
  • Username:
    [email protected]
  • Password:
    uy,o#mZj8$lY

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 3 TTPs

    Infostealers often target stored browser data, which can include saved credentials etc.

  • 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
  • System Location Discovery: System Language Discovery 1 TTPs 2 IoCs

    Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

  • Suspicious behavior: EnumeratesProcesses 5 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\QUOTATIONS#08670.exe
    "C:\Users\Admin\AppData\Local\Temp\QUOTATIONS#08670.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • System Location Discovery: System Language Discovery
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:1008
    • C:\Users\Admin\AppData\Local\Temp\QUOTATIONS#08670.exe
      "C:\Users\Admin\AppData\Local\Temp\QUOTATIONS#08670.exe"
      2⤵
      • Adds Run key to start application
      • System Location Discovery: System Language Discovery
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of SetWindowsHookEx
      PID:1624

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\QUOTATIONS#08670.exe.log

    Filesize

    1KB

    MD5

    84e77a587d94307c0ac1357eb4d3d46f

    SHA1

    83cc900f9401f43d181207d64c5adba7a85edc1e

    SHA256

    e16024b092a026a9dc00df69d4b9bbcab7b2dc178dc5291fc308a1abc9304a99

    SHA512

    aefb5c62200b3ed97718d20a89990954d4d8acdc0a6a73c5a420f1bba619cb79e70c2cd0a579b9f52dc6b09e1de2cea6cd6cac4376cfee92d94e2c01d310f691

  • memory/1008-10-0x00000000745C0000-0x0000000074D70000-memory.dmp

    Filesize

    7.7MB

  • memory/1008-5-0x0000000004F50000-0x0000000004FEE000-memory.dmp

    Filesize

    632KB

  • memory/1008-11-0x0000000006E60000-0x0000000006E7A000-memory.dmp

    Filesize

    104KB

  • memory/1008-17-0x00000000745C0000-0x0000000074D70000-memory.dmp

    Filesize

    7.7MB

  • memory/1008-12-0x0000000006EC0000-0x0000000006EC6000-memory.dmp

    Filesize

    24KB

  • memory/1008-6-0x00000000745C0000-0x0000000074D70000-memory.dmp

    Filesize

    7.7MB

  • memory/1008-7-0x0000000005040000-0x000000000504A000-memory.dmp

    Filesize

    40KB

  • memory/1008-8-0x00000000745C0000-0x0000000074D70000-memory.dmp

    Filesize

    7.7MB

  • memory/1008-9-0x00000000745CE000-0x00000000745CF000-memory.dmp

    Filesize

    4KB

  • memory/1008-0-0x00000000745CE000-0x00000000745CF000-memory.dmp

    Filesize

    4KB

  • memory/1008-3-0x0000000004DC0000-0x0000000004E52000-memory.dmp

    Filesize

    584KB

  • memory/1008-2-0x0000000005460000-0x0000000005A04000-memory.dmp

    Filesize

    5.6MB

  • memory/1008-4-0x0000000004EB0000-0x0000000004F4C000-memory.dmp

    Filesize

    624KB

  • memory/1008-1-0x0000000000020000-0x000000000016A000-memory.dmp

    Filesize

    1.3MB

  • memory/1624-13-0x0000000000400000-0x0000000000444000-memory.dmp

    Filesize

    272KB

  • memory/1624-16-0x00000000745C0000-0x0000000074D70000-memory.dmp

    Filesize

    7.7MB

  • memory/1624-19-0x00000000745C0000-0x0000000074D70000-memory.dmp

    Filesize

    7.7MB

  • memory/1624-18-0x0000000005670000-0x00000000056D6000-memory.dmp

    Filesize

    408KB

  • memory/1624-22-0x0000000006D10000-0x0000000006D60000-memory.dmp

    Filesize

    320KB

  • memory/1624-23-0x00000000745C0000-0x0000000074D70000-memory.dmp

    Filesize

    7.7MB

  • memory/1624-24-0x00000000745C0000-0x0000000074D70000-memory.dmp

    Filesize

    7.7MB