Analysis

  • max time kernel
    100s
  • max time network
    104s
  • platform
    windows7_x64
  • resource
    win7-20220414-en
  • submitted
    21-05-2022 12:24

General

  • Target

    PAGO_ADJ.exe

  • Size

    1MB

  • MD5

    b69ef4759dddf4f965bf84d654a555ff

  • SHA1

    f894b62e29c20cdd562f02001c5ce30ca5609bb9

  • SHA256

    7ecde113e9bcf315e61368cce51deda2e51321684d9d8e943a31ab1d457988f7

  • SHA512

    529766ef4faa26b9c5e8a2bffd390c64d038724a7492caf5790550062c195ba5d6f2c2d97ad0e6fc5e2a03bf4fc3af6b41c0c4a3a7db9b0fa2e33884f38827cb

Malware Config

Extracted

Path

C:\Users\Admin\AppData\Local\Temp\79FE0CC911\Log.txt

Family

masslogger

Ransom Note ################################################################# MassLogger v1.3.2.0 ################################################################# ### Logger Details ### User Name: Admin IP: 154.61.71.51 Location: United States OS: Microsoft Windows 7 Ultimate 64bit CPU: Intel Core Processor (Broadwell) GPU: Standard VGA Graphics Adapter AV: NA Screen Resolution: 1280x720 Current Time: 5/21/2022 12:35:02 PM MassLogger Started: 5/21/2022 12:34:51 PM Interval: 6 hour MassLogger Process: C:\Windows\Microsoft.NET\Framework\v4.0.30319\InstallUtil.exe As Administrator: True

Extracted

Credentials

Protocol: ftp

Host: ftp.sisbg.net

Port: 21

Username: ntums@sisbg.net

Password: alibaba.com

Signatures 12

  • MassLogger

    Masslogger is a .NET stealer targeting passwords from browsers, email and cryptocurrency clients.

  • MassLogger Main Payload ⋅ 58 IoCs
  • MassLogger log file ⋅ 1 IoCs

    Detects a log file produced by MassLogger.

  • Obfuscated with Agile.Net obfuscator ⋅ 1 IoCs

    Detects use of the Agile.Net commercial obfuscator, which is capable of entity renaming and control flow obfuscation.

  • Accesses Microsoft Outlook profiles ⋅ 1 TTPs 15 IoCs
  • Looks up external IP address via web service ⋅ 1 IoCs

    Uses a legitimate IP lookup service to find the infected system's external IP.

  • Suspicious use of SetThreadContext ⋅ 1 IoCs
  • Suspicious behavior: EnumeratesProcesses ⋅ 3 IoCs
  • Suspicious use of AdjustPrivilegeToken ⋅ 2 IoCs
  • Suspicious use of WriteProcessMemory ⋅ 12 IoCs
  • outlook_office_path ⋅ 1 IoCs
  • outlook_win_path ⋅ 1 IoCs

Processes 2

  • C:\Users\Admin\AppData\Local\Temp\PAGO_ADJ.exe
    "C:\Users\Admin\AppData\Local\Temp\PAGO_ADJ.exe"
    Suspicious use of SetThreadContext
    Suspicious behavior: EnumeratesProcesses
    Suspicious use of AdjustPrivilegeToken
    Suspicious use of WriteProcessMemory
    PID:560
    • C:\Windows\Microsoft.NET\Framework\v4.0.30319\InstallUtil.exe
      "C:\Windows\Microsoft.NET\Framework\v4.0.30319\InstallUtil.exe"
      Accesses Microsoft Outlook profiles
      Suspicious use of AdjustPrivilegeToken
      outlook_office_path
      outlook_win_path
      PID:1736

Network

MITRE ATT&CK Matrix

Collection

Command and Control

    Credential Access

      Defense Evasion

        Discovery

          Execution

            Exfiltration

              Impact

                Initial Access

                  Lateral Movement

                    Persistence

                      Privilege Escalation

                        Replay Monitor

                        00:00 00:00

                        Downloads

                        • memory/560-54-0x00000000003F0000-0x0000000000532000-memory.dmp
                        • memory/560-55-0x00000000003B0000-0x00000000003C4000-memory.dmp
                        • memory/560-56-0x00000000003D0000-0x00000000003D8000-memory.dmp
                        • memory/560-57-0x0000000000550000-0x0000000000558000-memory.dmp
                        • memory/560-58-0x00000000009A0000-0x00000000009A8000-memory.dmp
                        • memory/1736-59-0x0000000000090000-0x0000000000138000-memory.dmp
                        • memory/1736-60-0x0000000000090000-0x0000000000138000-memory.dmp
                        • memory/1736-62-0x0000000000090000-0x0000000000138000-memory.dmp
                        • memory/1736-63-0x0000000000090000-0x0000000000138000-memory.dmp
                        • memory/1736-65-0x00000000004A20FE-mapping.dmp
                        • memory/1736-67-0x0000000000090000-0x0000000000138000-memory.dmp
                        • memory/1736-66-0x0000000000090000-0x0000000000138000-memory.dmp
                        • memory/1736-71-0x0000000000090000-0x0000000000138000-memory.dmp
                        • memory/1736-74-0x0000000000090000-0x0000000000138000-memory.dmp
                        • memory/1736-75-0x0000000000090000-0x0000000000138000-memory.dmp
                        • memory/1736-76-0x0000000000090000-0x0000000000138000-memory.dmp
                        • memory/1736-77-0x0000000000090000-0x0000000000138000-memory.dmp
                        • memory/1736-78-0x0000000000090000-0x0000000000138000-memory.dmp
                        • memory/1736-79-0x0000000000090000-0x0000000000138000-memory.dmp
                        • memory/1736-80-0x0000000000090000-0x0000000000138000-memory.dmp
                        • memory/1736-81-0x0000000000090000-0x0000000000138000-memory.dmp
                        • memory/1736-82-0x0000000000090000-0x0000000000138000-memory.dmp
                        • memory/1736-84-0x0000000000090000-0x0000000000138000-memory.dmp
                        • memory/1736-85-0x0000000000090000-0x0000000000138000-memory.dmp
                        • memory/1736-87-0x0000000000090000-0x0000000000138000-memory.dmp
                        • memory/1736-88-0x0000000000090000-0x0000000000138000-memory.dmp
                        • memory/1736-89-0x0000000000090000-0x0000000000138000-memory.dmp
                        • memory/1736-90-0x0000000000090000-0x0000000000138000-memory.dmp
                        • memory/1736-91-0x0000000000090000-0x0000000000138000-memory.dmp
                        • memory/1736-92-0x0000000000090000-0x0000000000138000-memory.dmp
                        • memory/1736-93-0x0000000000090000-0x0000000000138000-memory.dmp
                        • memory/1736-94-0x0000000000090000-0x0000000000138000-memory.dmp
                        • memory/1736-96-0x0000000000090000-0x0000000000138000-memory.dmp
                        • memory/1736-97-0x0000000000090000-0x0000000000138000-memory.dmp
                        • memory/1736-98-0x0000000000090000-0x0000000000138000-memory.dmp
                        • memory/1736-99-0x0000000000090000-0x0000000000138000-memory.dmp
                        • memory/1736-100-0x0000000000090000-0x0000000000138000-memory.dmp
                        • memory/1736-102-0x0000000000090000-0x0000000000138000-memory.dmp
                        • memory/1736-103-0x0000000000090000-0x0000000000138000-memory.dmp
                        • memory/1736-105-0x0000000000090000-0x0000000000138000-memory.dmp
                        • memory/1736-106-0x0000000000090000-0x0000000000138000-memory.dmp
                        • memory/1736-108-0x0000000000090000-0x0000000000138000-memory.dmp
                        • memory/1736-110-0x0000000000090000-0x0000000000138000-memory.dmp
                        • memory/1736-111-0x0000000000090000-0x0000000000138000-memory.dmp
                        • memory/1736-112-0x0000000000090000-0x0000000000138000-memory.dmp
                        • memory/1736-114-0x0000000000090000-0x0000000000138000-memory.dmp
                        • memory/1736-116-0x0000000000090000-0x0000000000138000-memory.dmp
                        • memory/1736-118-0x0000000000090000-0x0000000000138000-memory.dmp
                        • memory/1736-119-0x0000000000090000-0x0000000000138000-memory.dmp
                        • memory/1736-122-0x0000000000090000-0x0000000000138000-memory.dmp
                        • memory/1736-124-0x0000000000090000-0x0000000000138000-memory.dmp
                        • memory/1736-123-0x0000000000090000-0x0000000000138000-memory.dmp
                        • memory/1736-121-0x0000000000090000-0x0000000000138000-memory.dmp
                        • memory/1736-120-0x0000000000090000-0x0000000000138000-memory.dmp
                        • memory/1736-117-0x0000000000090000-0x0000000000138000-memory.dmp
                        • memory/1736-115-0x0000000000090000-0x0000000000138000-memory.dmp
                        • memory/1736-113-0x0000000000090000-0x0000000000138000-memory.dmp
                        • memory/1736-109-0x0000000000090000-0x0000000000138000-memory.dmp
                        • memory/1736-107-0x0000000000090000-0x0000000000138000-memory.dmp
                        • memory/1736-104-0x0000000000090000-0x0000000000138000-memory.dmp
                        • memory/1736-101-0x0000000000090000-0x0000000000138000-memory.dmp
                        • memory/1736-95-0x0000000000090000-0x0000000000138000-memory.dmp
                        • memory/1736-86-0x0000000000090000-0x0000000000138000-memory.dmp
                        • memory/1736-83-0x0000000000090000-0x0000000000138000-memory.dmp
                        • memory/1736-325-0x0000000004230000-0x0000000004274000-memory.dmp