Analysis

  • max time kernel
    119s
  • max time network
    120s
  • platform
    windows7_x64
  • resource
    win7-20231215-en
  • resource tags

    arch:x64arch:x86image:win7-20231215-enlocale:en-usos:windows7-x64system
  • submitted
    14/01/2024, 14:27

General

  • Target

    bank account.exe

  • Size

    780KB

  • MD5

    a5640ac4a8b294df8ced6dfd0ca544f3

  • SHA1

    94fc2bc720e88f5f1bcab268fd441c3f640d63c3

  • SHA256

    c57c8d4d2e724683791c90f26d4499886ab0498688740b5433e1c4a36680564e

  • SHA512

    c49a3f261ee1832bc41d887bf0b195ea707a4eb4fd15f46bd3ec55329169ae97d1953338e736532219b483b2954f76545544eb1e7fc632ea78c48b31bb012fbd

  • SSDEEP

    12288:eTfMnM2iNv4sDFremgK+gxYdUwW+2FMkBZhnmZF4:O6M1usBremd+gxYY+2FMkcZF4

Malware Config

Extracted

Family

agenttesla

Credentials

  • Protocol:
    smtp
  • Host:
    Mail.jingtai.com.vn
  • Port:
    587
  • Username:
    [email protected]
  • Password:
    truongtuyen2209

Signatures

  • AgentTesla

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

  • AgentTesla payload 4 IoCs
  • Suspicious use of SetThreadContext 1 IoCs
  • Enumerates physical storage devices 1 TTPs

    Attempts to interact with connected storage/optical drive(s).

  • Creates scheduled task(s) 1 TTPs 1 IoCs

    Schtasks is often used by malware for persistence or to perform post-infection execution.

  • Suspicious use of WriteProcessMemory 13 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\bank account.exe
    "C:\Users\Admin\AppData\Local\Temp\bank account.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious use of WriteProcessMemory
    PID:2060
    • C:\Windows\SysWOW64\schtasks.exe
      "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\IVNmTSJGrzid" /XML "C:\Users\Admin\AppData\Local\Temp\tmp8D9F.tmp"
      2⤵
      • Creates scheduled task(s)
      PID:2860
    • C:\Users\Admin\AppData\Local\Temp\bank account.exe
      "{path}"
      2⤵
        PID:2920

    Network

          MITRE ATT&CK Enterprise v15

          Replay Monitor

          Loading Replay Monitor...

          Downloads

          • C:\Users\Admin\AppData\Local\Temp\tmp8D9F.tmp

            Filesize

            1KB

            MD5

            d4e261004a53d73ab3cc158083403180

            SHA1

            fc93cfe6aca933a59b8128054a8af1e8fb5a5023

            SHA256

            78f0e1659c38edfe01d25ec88021f703e261243f8d608c2eefba11ecd7d680a9

            SHA512

            2e4318697d36aa92df500c9e904987e9e61e5212afebc76b3f1b312f54094497e3380bdb81296d80c07ce444308baecdfae578e9ebf328b56994b6f9e63073be

          • memory/2060-4-0x0000000074BC0000-0x00000000752AE000-memory.dmp

            Filesize

            6.9MB

          • memory/2060-1-0x0000000074BC0000-0x00000000752AE000-memory.dmp

            Filesize

            6.9MB

          • memory/2060-3-0x00000000006F0000-0x00000000006F8000-memory.dmp

            Filesize

            32KB

          • memory/2060-0-0x00000000002D0000-0x000000000039A000-memory.dmp

            Filesize

            808KB

          • memory/2060-5-0x00000000005B0000-0x00000000005F0000-memory.dmp

            Filesize

            256KB

          • memory/2060-6-0x0000000005CC0000-0x0000000005D42000-memory.dmp

            Filesize

            520KB

          • memory/2060-2-0x00000000005B0000-0x00000000005F0000-memory.dmp

            Filesize

            256KB

          • memory/2060-7-0x0000000004810000-0x000000000484C000-memory.dmp

            Filesize

            240KB

          • memory/2060-21-0x0000000074BC0000-0x00000000752AE000-memory.dmp

            Filesize

            6.9MB

          • memory/2920-12-0x0000000000400000-0x000000000043C000-memory.dmp

            Filesize

            240KB

          • memory/2920-13-0x0000000000400000-0x000000000043C000-memory.dmp

            Filesize

            240KB

          • memory/2920-14-0x0000000000400000-0x000000000043C000-memory.dmp

            Filesize

            240KB

          • memory/2920-15-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

            Filesize

            4KB

          • memory/2920-17-0x0000000000400000-0x000000000043C000-memory.dmp

            Filesize

            240KB

          • memory/2920-19-0x0000000000400000-0x000000000043C000-memory.dmp

            Filesize

            240KB

          • memory/2920-11-0x0000000000400000-0x000000000043C000-memory.dmp

            Filesize

            240KB