Analysis

  • max time kernel
    123s
  • max time network
    46s
  • platform
    windows7_x64
  • resource
    win7-20220414-en
  • submitted
    21-05-2022 00:27

General

  • Target

    INQ#10932.exe

  • Size

    910KB

  • MD5

    ab173fc941b3ff29b61a7c367a20f0c9

  • SHA1

    7c2d64b587f9f61e4db8c51684194ce090c0325a

  • SHA256

    dc33d410898885b637ad8dd510d290ff2c00ae00069f28a60a282364faf0384e

  • SHA512

    2101db46bdd426ccd977db05324910c6d1b33eaab02a3fd88d3b2e74b404b1243abf1f7d4e34536d02a2e308428eaa15d6c4d8ada44a4c317d00ec68c57533f1

Malware Config

Extracted

Family

agenttesla

Credentials

  • Protocol:
    smtp
  • Host:
    mail.privateemail.com
  • Port:
    587
  • Username:
    [email protected]
  • Password:
    @Mexico1.,

Signatures

  • AgentTesla

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

  • AgentTesla Payload 6 IoCs
  • Suspicious use of SetThreadContext 1 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • Creates scheduled task(s) 1 TTPs 1 IoCs

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

  • Suspicious behavior: EnumeratesProcesses 3 IoCs
  • Suspicious use of AdjustPrivilegeToken 2 IoCs
  • Suspicious use of WriteProcessMemory 17 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\INQ#10932.exe
    "C:\Users\Admin\AppData\Local\Temp\INQ#10932.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:1676
    • C:\Windows\SysWOW64\schtasks.exe
      "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\emnGSvCqPQSKI" /XML "C:\Users\Admin\AppData\Local\Temp\tmp19A9.tmp"
      2⤵
      • Creates scheduled task(s)
      PID:960
    • C:\Users\Admin\AppData\Local\Temp\INQ#10932.exe
      "{path}"
      2⤵
        PID:852
      • C:\Users\Admin\AppData\Local\Temp\INQ#10932.exe
        "{path}"
        2⤵
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of AdjustPrivilegeToken
        PID:1964

    Network

    MITRE ATT&CK Enterprise v6

    Replay Monitor

    Loading Replay Monitor...

    Downloads

    • C:\Users\Admin\AppData\Local\Temp\tmp19A9.tmp

      Filesize

      1KB

      MD5

      ffcab640583b2e88f3bd1ad37c71d59d

      SHA1

      2f3fce64a118bea843c08cf9c8b893ad4265bbad

      SHA256

      62a60565eae162cc6cb5c4c4832ee3d396db23aabb31bae73b9e79c94761a921

      SHA512

      2d32e5ff9c3616ba5ccb61c487e9f030e8e0223f8986ce678487f7f2c77e367314c5979c3090af655582c75dfb005f4f3eff6327e3421de82368aedaa2c185fa

    • memory/960-58-0x0000000000000000-mapping.dmp

    • memory/1676-54-0x00000000009A0000-0x0000000000A8A000-memory.dmp

      Filesize

      936KB

    • memory/1676-55-0x0000000076171000-0x0000000076173000-memory.dmp

      Filesize

      8KB

    • memory/1676-56-0x0000000000430000-0x000000000043A000-memory.dmp

      Filesize

      40KB

    • memory/1676-57-0x0000000002240000-0x0000000002294000-memory.dmp

      Filesize

      336KB

    • memory/1964-61-0x0000000000400000-0x000000000044C000-memory.dmp

      Filesize

      304KB

    • memory/1964-63-0x0000000000400000-0x000000000044C000-memory.dmp

      Filesize

      304KB

    • memory/1964-64-0x0000000000400000-0x000000000044C000-memory.dmp

      Filesize

      304KB

    • memory/1964-60-0x0000000000400000-0x000000000044C000-memory.dmp

      Filesize

      304KB

    • memory/1964-65-0x0000000000400000-0x000000000044C000-memory.dmp

      Filesize

      304KB

    • memory/1964-66-0x000000000044748E-mapping.dmp

    • memory/1964-68-0x0000000000400000-0x000000000044C000-memory.dmp

      Filesize

      304KB

    • memory/1964-70-0x0000000000400000-0x000000000044C000-memory.dmp

      Filesize

      304KB