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Resubmissions

02/01/2025, 11:03

250102-m5tcvs1rer 10

Analysis

  • max time kernel
    118s
  • max time network
    118s
  • platform
    windows7_x64
  • resource
    win7-20240903-en
  • resource tags

    arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
  • submitted
    02/01/2025, 11:03

General

  • Target

    Shipping Docs PO888748IJ.exe

  • Size

    475KB

  • MD5

    cf173ca1db13dfc7237fd33630926b65

  • SHA1

    783e42e20da75ea1a2fd7a02e3824f251f26cf4f

  • SHA256

    1b9d152c5cd6e2904ada0ca707dbd2bb089ac59f8b07723490552a000848cc54

  • SHA512

    31a7210e2ef813763225c39f5c42f00cd7899539755fd090e256ab17a16c88238e9a659bed9cf4bfd9f5bcb310fb850a6e2e04c41aaf1f2f8fd98db99fa8addc

  • SSDEEP

    6144:Y9yYMqdl+a/ZNntauGBOaYcR/uVc3fTlAoOjlrrhTFInd6Xcfg9UJU8:2dMqdl+YZNorUVcvWoOJFTWndm+

Malware Config

Extracted

Family

agenttesla

Credentials

  • Protocol:
    ftp
  • Host:
    ftp://s4.serv00.com
  • Port:
    21
  • Username:
    f2241_evico
  • Password:
    Doll650#@

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.

  • System Network Configuration Discovery: Internet Connection Discovery 1 TTPs 2 IoCs

    Adversaries may check for Internet connectivity on compromised systems.

  • Suspicious behavior: EnumeratesProcesses 2 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of SetWindowsHookEx 1 IoCs
  • Suspicious use of WriteProcessMemory 9 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\Shipping Docs PO888748IJ.exe
    "C:\Users\Admin\AppData\Local\Temp\Shipping Docs PO888748IJ.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • System Location Discovery: System Language Discovery
    • System Network Configuration Discovery: Internet Connection Discovery
    • Suspicious use of WriteProcessMemory
    PID:2124
    • C:\Users\Admin\AppData\Local\Temp\Shipping Docs PO888748IJ.exe
      "C:\Users\Admin\AppData\Local\Temp\Shipping Docs PO888748IJ.exe"
      2⤵
      • Adds Run key to start application
      • System Location Discovery: System Language Discovery
      • System Network Configuration Discovery: Internet Connection Discovery
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of SetWindowsHookEx
      PID:2056

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads

  • memory/2056-6-0x0000000000400000-0x0000000000442000-memory.dmp

    Filesize

    264KB

  • memory/2056-5-0x0000000000400000-0x0000000000442000-memory.dmp

    Filesize

    264KB

  • memory/2056-20-0x0000000074B60000-0x000000007524E000-memory.dmp

    Filesize

    6.9MB

  • memory/2056-3-0x0000000000400000-0x0000000000442000-memory.dmp

    Filesize

    264KB

  • memory/2056-7-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

    Filesize

    4KB

  • memory/2056-13-0x0000000000400000-0x0000000000442000-memory.dmp

    Filesize

    264KB

  • memory/2056-17-0x0000000074B60000-0x000000007524E000-memory.dmp

    Filesize

    6.9MB

  • memory/2056-11-0x0000000000400000-0x0000000000442000-memory.dmp

    Filesize

    264KB

  • memory/2056-15-0x0000000074B60000-0x000000007524E000-memory.dmp

    Filesize

    6.9MB

  • memory/2056-9-0x0000000000400000-0x0000000000442000-memory.dmp

    Filesize

    264KB

  • memory/2056-4-0x0000000000400000-0x0000000000442000-memory.dmp

    Filesize

    264KB

  • memory/2124-14-0x0000000074B60000-0x000000007524E000-memory.dmp

    Filesize

    6.9MB

  • memory/2124-0-0x0000000074B6E000-0x0000000074B6F000-memory.dmp

    Filesize

    4KB

  • memory/2124-1-0x00000000011B0000-0x000000000122E000-memory.dmp

    Filesize

    504KB

  • memory/2124-16-0x0000000074B60000-0x000000007524E000-memory.dmp

    Filesize

    6.9MB

  • memory/2124-2-0x0000000000510000-0x0000000000558000-memory.dmp

    Filesize

    288KB