Analysis

  • max time kernel
    104s
  • max time network
    144s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20241007-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
  • submitted
    21-11-2024 17:20

General

  • Target

    c5210dcae2936ca5424a1224ddc519bded76064115a95e58c722b69e96ac344c.exe

  • Size

    460KB

  • MD5

    a528109e5486419098353578bd5e662a

  • SHA1

    597c6324eb2796a81f13d91cd12124734790210c

  • SHA256

    c5210dcae2936ca5424a1224ddc519bded76064115a95e58c722b69e96ac344c

  • SHA512

    6e4063ad6beb7f48539cc4590f8f61307cb3ad2415fe31d57919fbcc7e650ec9669108c2e55c474d09643064d550aab6c2a903ae284e2a7a2c46b2258e166b73

  • SSDEEP

    12288:5kbUgoa8QQGqCwwrgSsfCzSr5Kh4gC1ki0ngHU:5fg7AGewUizSFKCgC14nB

Malware Config

Extracted

Credentials

  • Protocol:
    ftp
  • Host:
    s4.serv00.com
  • Port:
    21
  • Username:
    f2241_dol
  • Password:
    Doll900#@

Extracted

Family

agenttesla

Credentials

  • Protocol:
    ftp
  • Host:
    ftp://s4.serv00.com
  • Port:
    21
  • Username:
    f2241_dol
  • Password:
    Doll900#@

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

Processes

  • C:\Users\Admin\AppData\Local\Temp\c5210dcae2936ca5424a1224ddc519bded76064115a95e58c722b69e96ac344c.exe
    "C:\Users\Admin\AppData\Local\Temp\c5210dcae2936ca5424a1224ddc519bded76064115a95e58c722b69e96ac344c.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:740
    • C:\Users\Admin\AppData\Local\Temp\c5210dcae2936ca5424a1224ddc519bded76064115a95e58c722b69e96ac344c.exe
      "C:\Users\Admin\AppData\Local\Temp\c5210dcae2936ca5424a1224ddc519bded76064115a95e58c722b69e96ac344c.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:3120

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • memory/740-6-0x0000000004C90000-0x0000000004CD8000-memory.dmp

    Filesize

    288KB

  • memory/740-0-0x0000000074A0E000-0x0000000074A0F000-memory.dmp

    Filesize

    4KB

  • memory/740-2-0x0000000005090000-0x0000000005634000-memory.dmp

    Filesize

    5.6MB

  • memory/740-3-0x0000000004B80000-0x0000000004C12000-memory.dmp

    Filesize

    584KB

  • memory/740-4-0x0000000074A00000-0x00000000751B0000-memory.dmp

    Filesize

    7.7MB

  • memory/740-5-0x0000000004B50000-0x0000000004B5A000-memory.dmp

    Filesize

    40KB

  • memory/740-1-0x00000000000B0000-0x000000000012A000-memory.dmp

    Filesize

    488KB

  • memory/740-10-0x0000000074A00000-0x00000000751B0000-memory.dmp

    Filesize

    7.7MB

  • memory/3120-8-0x0000000074A00000-0x00000000751B0000-memory.dmp

    Filesize

    7.7MB

  • memory/3120-9-0x0000000005460000-0x00000000054C6000-memory.dmp

    Filesize

    408KB

  • memory/3120-11-0x0000000074A00000-0x00000000751B0000-memory.dmp

    Filesize

    7.7MB

  • memory/3120-7-0x0000000000400000-0x0000000000442000-memory.dmp

    Filesize

    264KB

  • memory/3120-14-0x0000000006AA0000-0x0000000006AF0000-memory.dmp

    Filesize

    320KB

  • memory/3120-15-0x0000000006B90000-0x0000000006C2C000-memory.dmp

    Filesize

    624KB

  • memory/3120-16-0x0000000074A00000-0x00000000751B0000-memory.dmp

    Filesize

    7.7MB