Analysis

  • max time kernel
    204s
  • max time network
    209s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20221111-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20221111-enlocale:en-usos:windows10-2004-x64system
  • submitted
    29-11-2022 13:23

General

  • Target

    Quotation.exe

  • Size

    789KB

  • MD5

    72c17e8d702de79f794fe16787a61098

  • SHA1

    18f51344f688db3979c55a6322f013269b4c308d

  • SHA256

    4513951a7d2bdb62b062c790f0c259d9f5854497b6e5e8ed0369d22197d1e856

  • SHA512

    09ca148f810649989cb89507848de48d55738f79bc301e4a7c8b2f3b52bc231b59aa79c15be126eb7c41a2d8801279792eb21a262b45e0503a8c93eca26fec43

  • SSDEEP

    12288:OKdsCbFr5cE8LHWy/SEdRMA/LyzIPPPu6gtFNDzUwSzWbTgvS6/IiTHWcb:7ovLB9/LkInstFxQvCngv5/1db

Malware Config

Extracted

Family

agenttesla

Credentials

  • Protocol:
    smtp
  • Host:
    mail.strictfacilityservices.com
  • Port:
    587
  • Username:
    accounts@strictfacilityservices.com
  • Password:
    SFS!@#321
  • Email To:
    guc850155@gmail.com

Signatures

  • AgentTesla

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

  • Checks computer location settings 2 TTPs 1 IoCs

    Looks up country code configured in the registry, likely geofence.

  • 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 7 IoCs
  • Suspicious use of AdjustPrivilegeToken 2 IoCs
  • Suspicious use of WriteProcessMemory 17 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\Quotation.exe
    "C:\Users\Admin\AppData\Local\Temp\Quotation.exe"
    1⤵
    • Checks computer location settings
    • Suspicious use of SetThreadContext
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:3212
    • C:\Windows\SysWOW64\schtasks.exe
      "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\GDqcmzjrs" /XML "C:\Users\Admin\AppData\Local\Temp\tmpA5D0.tmp"
      2⤵
      • Creates scheduled task(s)
      PID:4952
    • C:\Users\Admin\AppData\Local\Temp\Quotation.exe
      "{path}"
      2⤵
        PID:1352
      • C:\Users\Admin\AppData\Local\Temp\Quotation.exe
        "{path}"
        2⤵
          PID:2324
        • C:\Users\Admin\AppData\Local\Temp\Quotation.exe
          "{path}"
          2⤵
          • Suspicious behavior: EnumeratesProcesses
          • Suspicious use of AdjustPrivilegeToken
          PID:1528

      Network

      MITRE ATT&CK Matrix ATT&CK v6

      Execution

      Scheduled Task

      1
      T1053

      Persistence

      Scheduled Task

      1
      T1053

      Privilege Escalation

      Scheduled Task

      1
      T1053

      Discovery

      Query Registry

      1
      T1012

      System Information Discovery

      2
      T1082

      Replay Monitor

      Loading Replay Monitor...

      Downloads

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

        1KB

        MD5

        84e77a587d94307c0ac1357eb4d3d46f

        SHA1

        83cc900f9401f43d181207d64c5adba7a85edc1e

        SHA256

        e16024b092a026a9dc00df69d4b9bbcab7b2dc178dc5291fc308a1abc9304a99

        SHA512

        aefb5c62200b3ed97718d20a89990954d4d8acdc0a6a73c5a420f1bba619cb79e70c2cd0a579b9f52dc6b09e1de2cea6cd6cac4376cfee92d94e2c01d310f691

      • C:\Users\Admin\AppData\Local\Temp\tmpA5D0.tmp
        Filesize

        1KB

        MD5

        6481b654c2b2eeca624a46943df07af2

        SHA1

        3170aa11f999572674a2cf6af56a1fb04b591978

        SHA256

        f861c60ec32628ab05460770ccecec8e9c29c8877371f9f2906d7db78d8acb33

        SHA512

        ee434febb40b17ca618ce138d7e5117e092b3e51246892991cfd9ad139ae8136a35673042b08c990b0fa750f5b3ea4e6ec3c29c2ba443bcce39ba5c48fca839e

      • memory/1352-139-0x0000000000000000-mapping.dmp
      • memory/1528-141-0x0000000000000000-mapping.dmp
      • memory/1528-142-0x0000000000400000-0x000000000043C000-memory.dmp
        Filesize

        240KB

      • memory/1528-144-0x0000000005D40000-0x0000000005DA6000-memory.dmp
        Filesize

        408KB

      • memory/2324-140-0x0000000000000000-mapping.dmp
      • memory/3212-136-0x0000000004D50000-0x0000000004D5A000-memory.dmp
        Filesize

        40KB

      • memory/3212-135-0x0000000004E70000-0x0000000004F0C000-memory.dmp
        Filesize

        624KB

      • memory/3212-134-0x0000000004D70000-0x0000000004E02000-memory.dmp
        Filesize

        584KB

      • memory/3212-132-0x00000000002F0000-0x00000000003BC000-memory.dmp
        Filesize

        816KB

      • memory/3212-133-0x0000000005420000-0x00000000059C4000-memory.dmp
        Filesize

        5.6MB

      • memory/4952-137-0x0000000000000000-mapping.dmp