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Analysis

  • max time kernel
    119s
  • max time network
    143s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20241007-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
  • submitted
    29/01/2025, 08:30

General

  • Target

    EQUIPMENT QUOTATION#033986.exe

  • Size

    1.0MB

  • MD5

    c350c3a502bf95c724acd864aa8d48de

  • SHA1

    3c544230bdb4d1656818d770b682f2b8cc224a16

  • SHA256

    a91cf2a4699e93a3101762f542bf47b51d8ac09f8e78eaa2222c36807e0c0e72

  • SHA512

    e74017f52210fe47d9627f9021e1ad432ef944bdbe8a1e17085c249cabb7f02ba5c63720041995677ebdefb502a5953ea09b8ce71ef3cacd5cf6a945ce157e97

  • SSDEEP

    12288:tzSggsidljMurxgrb81Qv2RA5OMpEoLbqvADoZRGlGcnB7iFTr+8+5rGurubCj3t:tzK3v1QmATpEybiQ9B7iRro/6Cj3X3N

Malware Config

Extracted

Credentials

  • Protocol:
    ftp
  • Host:
    ftp.ercolina-usa.com
  • Port:
    21
  • Username:
    [email protected]
  • Password:
    nXe0M~WkW&nJ

Extracted

Family

agenttesla

Credentials

  • Protocol:
    ftp
  • Host:
    ftp://ftp.ercolina-usa.com
  • Port:
    21
  • Username:
    [email protected]
  • Password:
    nXe0M~WkW&nJ

Signatures

  • AgentTesla

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

  • Agenttesla family
  • 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 4 IoCs
  • Suspicious use of AdjustPrivilegeToken 2 IoCs
  • Suspicious use of SetWindowsHookEx 1 IoCs
  • Suspicious use of WriteProcessMemory 11 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\EQUIPMENT QUOTATION#033986.exe
    "C:\Users\Admin\AppData\Local\Temp\EQUIPMENT QUOTATION#033986.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • System Location Discovery: System Language Discovery
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:4488
    • C:\Users\Admin\AppData\Local\Temp\EQUIPMENT QUOTATION#033986.exe
      "C:\Users\Admin\AppData\Local\Temp\EQUIPMENT QUOTATION#033986.exe"
      2⤵
        PID:2620
      • C:\Users\Admin\AppData\Local\Temp\EQUIPMENT QUOTATION#033986.exe
        "C:\Users\Admin\AppData\Local\Temp\EQUIPMENT QUOTATION#033986.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:2172

    Network

    MITRE ATT&CK Enterprise v15

    Replay Monitor

    Loading Replay Monitor...

    Downloads

    • C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\EQUIPMENT QUOTATION#033986.exe.log

      Filesize

      1KB

      MD5

      8ec831f3e3a3f77e4a7b9cd32b48384c

      SHA1

      d83f09fd87c5bd86e045873c231c14836e76a05c

      SHA256

      7667e538030e3f8ce2886e47a01af24cb0ea70528b1e821c5d8832c5076cb982

      SHA512

      26bffa2406b66368bd412bf25869a792631455645992cdcade2dbc13a2e56fb546414a6a9223b94c96c38d89187add6678d4779a88b38b0c9e36be8527b213c3

    • memory/2172-11-0x0000000000400000-0x0000000000444000-memory.dmp

      Filesize

      272KB

    • memory/2172-22-0x0000000074620000-0x0000000074DD0000-memory.dmp

      Filesize

      7.7MB

    • memory/2172-21-0x0000000074620000-0x0000000074DD0000-memory.dmp

      Filesize

      7.7MB

    • memory/2172-20-0x0000000006D60000-0x0000000006DB0000-memory.dmp

      Filesize

      320KB

    • memory/2172-17-0x00000000056E0000-0x0000000005746000-memory.dmp

      Filesize

      408KB

    • memory/2172-16-0x0000000074620000-0x0000000074DD0000-memory.dmp

      Filesize

      7.7MB

    • memory/2172-14-0x0000000074620000-0x0000000074DD0000-memory.dmp

      Filesize

      7.7MB

    • memory/4488-5-0x0000000074620000-0x0000000074DD0000-memory.dmp

      Filesize

      7.7MB

    • memory/4488-9-0x0000000074620000-0x0000000074DD0000-memory.dmp

      Filesize

      7.7MB

    • memory/4488-10-0x0000000004F90000-0x0000000005018000-memory.dmp

      Filesize

      544KB

    • memory/4488-8-0x000000007462E000-0x000000007462F000-memory.dmp

      Filesize

      4KB

    • memory/4488-7-0x0000000005AC0000-0x0000000005ADE000-memory.dmp

      Filesize

      120KB

    • memory/4488-6-0x00000000058C0000-0x000000000595C000-memory.dmp

      Filesize

      624KB

    • memory/4488-15-0x0000000074620000-0x0000000074DD0000-memory.dmp

      Filesize

      7.7MB

    • memory/4488-0-0x000000007462E000-0x000000007462F000-memory.dmp

      Filesize

      4KB

    • memory/4488-4-0x0000000005770000-0x000000000577A000-memory.dmp

      Filesize

      40KB

    • memory/4488-3-0x00000000055D0000-0x0000000005662000-memory.dmp

      Filesize

      584KB

    • memory/4488-2-0x0000000005AE0000-0x0000000006084000-memory.dmp

      Filesize

      5.6MB

    • memory/4488-1-0x0000000000AC0000-0x0000000000BC6000-memory.dmp

      Filesize

      1.0MB