Analysis

  • max time kernel
    116s
  • max time network
    119s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240508-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240508-enlocale:en-usos:windows10-2004-x64system
  • submitted
    15/05/2024, 10:36

General

  • Target

    Bank slip.exe

  • Size

    702KB

  • MD5

    7f05bb95c72a3a2c04640f08c6155830

  • SHA1

    8f304e386725d50e52120343b811556537b8c0e8

  • SHA256

    6d5bdcfa423fb3d5e48efd687f5ce8045693421e950a897c2e586fd44c3b0bb2

  • SHA512

    2fcf0c7a9d8f1e0bb0490124f80df76815e759d07756edde315cd79baca0a328db9fcf3c24e5c9bc99ce2845034ea9f1788c6fdb3bfbd14db53805882fcbbf8a

  • SSDEEP

    12288:kjTeH81jJU+C+MjqihmAYXkBIWgJPos/gMGfNtvTEg+BQGqbJbTlbcmcKtzKV:18M+C+MukqzxYNNT3z1bxc

Malware Config

Extracted

Credentials

  • Protocol:
    smtp
  • Host:
    mail.policymartinsurance.com
  • Port:
    587
  • Username:
    [email protected]
  • Password:
    Kwal4952@

Extracted

Family

agenttesla

Credentials

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 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 5 IoCs
  • Suspicious use of AdjustPrivilegeToken 2 IoCs
  • Suspicious use of WriteProcessMemory 8 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\Bank slip.exe
    "C:\Users\Admin\AppData\Local\Temp\Bank slip.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:3040
    • C:\Users\Admin\AppData\Local\Temp\Bank slip.exe
      "C:\Users\Admin\AppData\Local\Temp\Bank slip.exe"
      2⤵
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:3140

Network

        MITRE ATT&CK Enterprise v15

        Replay Monitor

        Loading Replay Monitor...

        Downloads

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

          Filesize

          1KB

          MD5

          8ec831f3e3a3f77e4a7b9cd32b48384c

          SHA1

          d83f09fd87c5bd86e045873c231c14836e76a05c

          SHA256

          7667e538030e3f8ce2886e47a01af24cb0ea70528b1e821c5d8832c5076cb982

          SHA512

          26bffa2406b66368bd412bf25869a792631455645992cdcade2dbc13a2e56fb546414a6a9223b94c96c38d89187add6678d4779a88b38b0c9e36be8527b213c3

        • memory/3040-4-0x0000000074920000-0x00000000750D0000-memory.dmp

          Filesize

          7.7MB

        • memory/3040-15-0x0000000074920000-0x00000000750D0000-memory.dmp

          Filesize

          7.7MB

        • memory/3040-3-0x0000000004E00000-0x0000000004E92000-memory.dmp

          Filesize

          584KB

        • memory/3040-0-0x000000007492E000-0x000000007492F000-memory.dmp

          Filesize

          4KB

        • memory/3040-5-0x0000000004EB0000-0x0000000004EBA000-memory.dmp

          Filesize

          40KB

        • memory/3040-6-0x0000000005180000-0x000000000521C000-memory.dmp

          Filesize

          624KB

        • memory/3040-7-0x0000000006260000-0x0000000006280000-memory.dmp

          Filesize

          128KB

        • memory/3040-8-0x0000000006280000-0x0000000006290000-memory.dmp

          Filesize

          64KB

        • memory/3040-2-0x00000000054C0000-0x0000000005A64000-memory.dmp

          Filesize

          5.6MB

        • memory/3040-9-0x0000000006290000-0x00000000062A6000-memory.dmp

          Filesize

          88KB

        • memory/3040-10-0x0000000006900000-0x0000000006982000-memory.dmp

          Filesize

          520KB

        • memory/3040-1-0x0000000000360000-0x0000000000416000-memory.dmp

          Filesize

          728KB

        • memory/3140-14-0x0000000074920000-0x00000000750D0000-memory.dmp

          Filesize

          7.7MB

        • memory/3140-11-0x0000000000400000-0x0000000000442000-memory.dmp

          Filesize

          264KB

        • memory/3140-16-0x0000000005A10000-0x0000000005A76000-memory.dmp

          Filesize

          408KB

        • memory/3140-17-0x0000000074920000-0x00000000750D0000-memory.dmp

          Filesize

          7.7MB

        • memory/3140-18-0x0000000006F90000-0x0000000006FE0000-memory.dmp

          Filesize

          320KB

        • memory/3140-19-0x0000000074920000-0x00000000750D0000-memory.dmp

          Filesize

          7.7MB