Analysis

  • max time kernel
    171s
  • max time network
    181s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20220812-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20220812-enlocale:en-usos:windows10-2004-x64system
  • submitted
    07-12-2022 11:57

General

  • Target

    EA-0052578-76NATIONAL-CHILE.js

  • Size

    9KB

  • MD5

    37e730fea347640f0f05f5a19edf27cb

  • SHA1

    4a21133bf81b0eb9c0617bb0dd8c11bb60c304ef

  • SHA256

    1a458d3d0c74461aa285c58dba89cde96e3640c32fb5d0a58ab4af03cd5f47ae

  • SHA512

    fbe172d798a3a9b16991cac88ae61fc67a7317b4bc372a7291cbbc0f542cc347866108de7a12139cf8726b373bdbdad78099689232b763c9a87951ad1147ba8c

  • SSDEEP

    192:wXagjk3BDdUvDvgOxTVFZWimckvF5nCvFCwQdMrjx0nh1WS+SYHf1BVMZQgOZEuS:wqYkRdUvD9VEiONBu5+a/tT32CQaHiP

Malware Config

Extracted

Credentials

  • Protocol:
    smtp
  • Host:
    smtp.leonardfood.com
  • Port:
    587
  • Username:
    [email protected]
  • Password:
    K@rimi95

Extracted

Family

agenttesla

Credentials

Signatures

  • AgentTesla

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

  • Blocklisted process makes network request 4 IoCs
  • Downloads MZ/PE file
  • Executes dropped EXE 1 IoCs
  • Checks computer location settings 2 TTPs 1 IoCs

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

  • Accesses Microsoft Outlook profiles 1 TTPs 3 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.

  • Suspicious behavior: EnumeratesProcesses 2 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of SetWindowsHookEx 1 IoCs
  • Suspicious use of WriteProcessMemory 10 IoCs
  • outlook_office_path 1 IoCs
  • outlook_win_path 1 IoCs

Processes

  • C:\Windows\system32\wscript.exe
    wscript.exe C:\Users\Admin\AppData\Local\Temp\EA-0052578-76NATIONAL-CHILE.js
    1⤵
    • Blocklisted process makes network request
    • Checks computer location settings
    • Suspicious use of WriteProcessMemory
    PID:3396
    • C:\Users\Admin\AppData\Local\Temp\JHBHGatT.exe
      "C:\Users\Admin\AppData\Local\Temp\JHBHGatT.exe"
      2⤵
      • Executes dropped EXE
      • Suspicious use of SetThreadContext
      • Suspicious use of WriteProcessMemory
      PID:4372
      • C:\Windows\Microsoft.NET\Framework\v4.0.30319\Regsvcs.exe
        "C:\Windows\Microsoft.NET\Framework\v4.0.30319\Regsvcs.exe"
        3⤵
        • Accesses Microsoft Outlook profiles
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of AdjustPrivilegeToken
        • Suspicious use of SetWindowsHookEx
        • outlook_office_path
        • outlook_win_path
        PID:3964

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

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Downloads

  • C:\Users\Admin\AppData\Local\Temp\JHBHGatT.exe

    Filesize

    858KB

    MD5

    60c2ecb44642d9e51cd4b17b82358cb8

    SHA1

    8915a7b1bc4e9a0795877f1a1063dc9cdfb00f9e

    SHA256

    559e053e4acfbcb073e2f2614d733a4ef73f778147a2c58f881a46a8bd3a88f8

    SHA512

    cc0e3229b870faf6c25af7bebf545dbddebe2669db9eaefc74adb3569d041d54ff531cf903c721e8653de200bbbcc924b701c215fb2ae78b9a136d390d7c4b56

  • C:\Users\Admin\AppData\Local\Temp\JHBHGatT.exe

    Filesize

    858KB

    MD5

    60c2ecb44642d9e51cd4b17b82358cb8

    SHA1

    8915a7b1bc4e9a0795877f1a1063dc9cdfb00f9e

    SHA256

    559e053e4acfbcb073e2f2614d733a4ef73f778147a2c58f881a46a8bd3a88f8

    SHA512

    cc0e3229b870faf6c25af7bebf545dbddebe2669db9eaefc74adb3569d041d54ff531cf903c721e8653de200bbbcc924b701c215fb2ae78b9a136d390d7c4b56

  • memory/3964-142-0x0000000006180000-0x00000000061E6000-memory.dmp

    Filesize

    408KB

  • memory/3964-145-0x00000000011A0000-0x00000000011AA000-memory.dmp

    Filesize

    40KB

  • memory/3964-136-0x0000000000400000-0x000000000043A000-memory.dmp

    Filesize

    232KB

  • memory/3964-137-0x0000000000435BBE-mapping.dmp

  • memory/3964-144-0x0000000001230000-0x00000000012C2000-memory.dmp

    Filesize

    584KB

  • memory/3964-139-0x0000000005990000-0x0000000005F34000-memory.dmp

    Filesize

    5.6MB

  • memory/3964-140-0x00000000053E0000-0x000000000547C000-memory.dmp

    Filesize

    624KB

  • memory/3964-143-0x0000000006780000-0x00000000067D0000-memory.dmp

    Filesize

    320KB

  • memory/4372-138-0x00007FFBDBD20000-0x00007FFBDC7E1000-memory.dmp

    Filesize

    10.8MB

  • memory/4372-141-0x00007FFBDBD20000-0x00007FFBDC7E1000-memory.dmp

    Filesize

    10.8MB

  • memory/4372-132-0x0000000000000000-mapping.dmp

  • memory/4372-135-0x0000022CC3BE0000-0x0000022CC3CBC000-memory.dmp

    Filesize

    880KB