Analysis

  • max time kernel
    128s
  • max time network
    147s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20220812-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20220812-enlocale:en-usos:windows10-2004-x64system
  • submitted
    03-10-2022 07:09

General

  • Target

    CI & PL_____________________________________________________________________________________________.exe

  • Size

    15KB

  • MD5

    a0d32e8dfa1bdbfd9dba714786f5933b

  • SHA1

    41408a58d28dbd4beaa5daf866e6b43416a9f986

  • SHA256

    9131b2d3b37f8533ba4b9e5b5923d4f5289342ae919960c28367a9f9e6d84564

  • SHA512

    60c5d1792be7daadb0308bbcd20aba82ad1f94820a2de7b18d4e6ddbc6e9200e339afbb70726e227c3815750710270e14ebf9a32557b211e797bc4188ddd8127

  • SSDEEP

    384:8AGEyN3Gs4sdqmXNOLJuTYb2CNawS9mD:BGsPwNUrD

Malware Config

Extracted

Credentials

  • Protocol:
    smtp
  • Host:
    mail.blazonlabs.com
  • Port:
    587
  • Username:
    [email protected]
  • Password:
    sophie@143

Signatures

  • Checks computer location settings 2 TTPs 1 IoCs

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

  • 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.

  • Accesses Microsoft Outlook profiles 1 TTPs 3 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • Suspicious behavior: EnumeratesProcesses 5 IoCs
  • Suspicious use of AdjustPrivilegeToken 2 IoCs
  • Suspicious use of SetWindowsHookEx 1 IoCs
  • Suspicious use of WriteProcessMemory 3 IoCs
  • outlook_office_path 1 IoCs
  • outlook_win_path 1 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\CI & PL_____________________________________________________________________________________________.exe
    "C:\Users\Admin\AppData\Local\Temp\CI & PL_____________________________________________________________________________________________.exe"
    1⤵
    • Checks computer location settings
    • Accesses Microsoft Outlook profiles
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    • outlook_office_path
    • outlook_win_path
    PID:4136
    • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
      "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -enc UwB0AGEAcgB0AC0AUwBsAGUAZQBwACAALQBTAGUAYwBvAG4AZABzACAAMwAwAA==
      2⤵
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:4520

Network

MITRE ATT&CK Matrix ATT&CK v6

Credential Access

Credentials in Files

3
T1081

Discovery

Query Registry

1
T1012

System Information Discovery

2
T1082

Collection

Data from Local System

3
T1005

Email Collection

1
T1114

Replay Monitor

Loading Replay Monitor...

Downloads

  • memory/4136-146-0x0000000007470000-0x00000000074C0000-memory.dmp
    Filesize

    320KB

  • memory/4136-133-0x00000000056F0000-0x0000000005C94000-memory.dmp
    Filesize

    5.6MB

  • memory/4136-134-0x00000000051F0000-0x0000000005282000-memory.dmp
    Filesize

    584KB

  • memory/4136-135-0x0000000005330000-0x00000000053CC000-memory.dmp
    Filesize

    624KB

  • memory/4136-136-0x00000000054E0000-0x00000000054EA000-memory.dmp
    Filesize

    40KB

  • memory/4136-137-0x0000000006A20000-0x0000000006A42000-memory.dmp
    Filesize

    136KB

  • memory/4136-132-0x00000000006E0000-0x00000000006EA000-memory.dmp
    Filesize

    40KB

  • memory/4520-138-0x0000000000000000-mapping.dmp
  • memory/4520-140-0x0000000005740000-0x0000000005D68000-memory.dmp
    Filesize

    6.2MB

  • memory/4520-141-0x0000000005D70000-0x0000000005DD6000-memory.dmp
    Filesize

    408KB

  • memory/4520-142-0x0000000005DE0000-0x0000000005E46000-memory.dmp
    Filesize

    408KB

  • memory/4520-143-0x0000000006460000-0x000000000647E000-memory.dmp
    Filesize

    120KB

  • memory/4520-144-0x0000000007AA0000-0x000000000811A000-memory.dmp
    Filesize

    6.5MB

  • memory/4520-145-0x0000000006960000-0x000000000697A000-memory.dmp
    Filesize

    104KB

  • memory/4520-139-0x0000000002E70000-0x0000000002EA6000-memory.dmp
    Filesize

    216KB