Analysis

  • max time kernel
    65s
  • max time network
    122s
  • platform
    windows7_x64
  • resource
    win7-20220414-en
  • submitted
    21-05-2022 12:26

General

  • Target

    ORDER FORM.exe

  • Size

    1.1MB

  • MD5

    0faa3c5a42f64964e82ce6a1c46bd9f1

  • SHA1

    457cb4a210e0c16e78442f1bf79c9826cf4f982b

  • SHA256

    8b21c06bf03c5f788bb0354c625f343873bc834ac43b1d8fbc469fd64f215cf6

  • SHA512

    e07faaee45573a7c2c01441d95b9768bb61bbdda0307354140a77487b3331eea3236e5e96ae62fa688311cb3207ad76acd639d12d2e10d059b7402ae5ff74e8a

Malware Config

Extracted

Path

C:\Users\Admin\AppData\Local\Temp\AEF946DCB4\Log.txt

Family

masslogger

Ransom Note
################################################################# MassLogger v1.3.4.0 ################################################################# ### Logger Details ### User Name: Admin IP: 154.61.71.50 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 3:09:48 PM MassLogger Started: 5/21/2022 3:09:30 PM Interval: 2 hour MassLogger Process: C:\Users\Admin\AppData\Local\Temp\ORDER FORM.exe MassLogger Melt: false MassLogger Exit after delivery: false As Administrator: True Processes:

Signatures

  • CoreEntity .NET Packer 1 IoCs

    A .NET packer called CoreEntity where it has embedded the payload as a BitMap object which is later decrypted.

  • MassLogger

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

  • MassLogger Main Payload 32 IoCs
  • MassLogger log file 1 IoCs

    Detects a log file produced by MassLogger.

  • ReZer0 packer 1 IoCs

    Detects ReZer0, a packer with multiple versions used in various campaigns.

  • Checks computer location settings 2 TTPs 1 IoCs

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

  • 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 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of WriteProcessMemory 9 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\ORDER FORM.exe
    "C:\Users\Admin\AppData\Local\Temp\ORDER FORM.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious use of WriteProcessMemory
    PID:1460
    • C:\Users\Admin\AppData\Local\Temp\ORDER FORM.exe
      "{path}"
      2⤵
      • Checks computer location settings
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:1716

Network

MITRE ATT&CK Matrix ATT&CK v6

Discovery

Query Registry

1
T1012

System Information Discovery

1
T1082

Replay Monitor

Loading Replay Monitor...

Downloads

  • memory/1460-54-0x0000000000F90000-0x00000000010B6000-memory.dmp
    Filesize

    1.1MB

  • memory/1460-55-0x00000000769D1000-0x00000000769D3000-memory.dmp
    Filesize

    8KB

  • memory/1460-56-0x0000000000330000-0x0000000000338000-memory.dmp
    Filesize

    32KB

  • memory/1460-57-0x0000000005500000-0x00000000055B0000-memory.dmp
    Filesize

    704KB

  • memory/1716-58-0x0000000000400000-0x00000000004A8000-memory.dmp
    Filesize

    672KB

  • memory/1716-59-0x0000000000400000-0x00000000004A8000-memory.dmp
    Filesize

    672KB

  • memory/1716-61-0x0000000000400000-0x00000000004A8000-memory.dmp
    Filesize

    672KB

  • memory/1716-62-0x0000000000400000-0x00000000004A8000-memory.dmp
    Filesize

    672KB

  • memory/1716-63-0x0000000000400000-0x00000000004A8000-memory.dmp
    Filesize

    672KB

  • memory/1716-64-0x00000000004A38EE-mapping.dmp
  • memory/1716-66-0x0000000000400000-0x00000000004A8000-memory.dmp
    Filesize

    672KB

  • memory/1716-68-0x0000000000400000-0x00000000004A8000-memory.dmp
    Filesize

    672KB

  • memory/1716-70-0x0000000000400000-0x00000000004A8000-memory.dmp
    Filesize

    672KB

  • memory/1716-72-0x0000000000400000-0x00000000004A8000-memory.dmp
    Filesize

    672KB

  • memory/1716-74-0x0000000000400000-0x00000000004A8000-memory.dmp
    Filesize

    672KB

  • memory/1716-76-0x0000000000400000-0x00000000004A8000-memory.dmp
    Filesize

    672KB

  • memory/1716-78-0x0000000000400000-0x00000000004A8000-memory.dmp
    Filesize

    672KB

  • memory/1716-80-0x0000000000400000-0x00000000004A8000-memory.dmp
    Filesize

    672KB

  • memory/1716-82-0x0000000000400000-0x00000000004A8000-memory.dmp
    Filesize

    672KB

  • memory/1716-84-0x0000000000400000-0x00000000004A8000-memory.dmp
    Filesize

    672KB

  • memory/1716-86-0x0000000000400000-0x00000000004A8000-memory.dmp
    Filesize

    672KB

  • memory/1716-88-0x0000000000400000-0x00000000004A8000-memory.dmp
    Filesize

    672KB

  • memory/1716-90-0x0000000000400000-0x00000000004A8000-memory.dmp
    Filesize

    672KB

  • memory/1716-92-0x0000000000400000-0x00000000004A8000-memory.dmp
    Filesize

    672KB

  • memory/1716-94-0x0000000000400000-0x00000000004A8000-memory.dmp
    Filesize

    672KB

  • memory/1716-96-0x0000000000400000-0x00000000004A8000-memory.dmp
    Filesize

    672KB

  • memory/1716-98-0x0000000000400000-0x00000000004A8000-memory.dmp
    Filesize

    672KB

  • memory/1716-100-0x0000000000400000-0x00000000004A8000-memory.dmp
    Filesize

    672KB

  • memory/1716-102-0x0000000000400000-0x00000000004A8000-memory.dmp
    Filesize

    672KB

  • memory/1716-104-0x0000000000400000-0x00000000004A8000-memory.dmp
    Filesize

    672KB

  • memory/1716-106-0x0000000000400000-0x00000000004A8000-memory.dmp
    Filesize

    672KB

  • memory/1716-108-0x0000000000400000-0x00000000004A8000-memory.dmp
    Filesize

    672KB

  • memory/1716-110-0x0000000000400000-0x00000000004A8000-memory.dmp
    Filesize

    672KB

  • memory/1716-112-0x0000000000400000-0x00000000004A8000-memory.dmp
    Filesize

    672KB

  • memory/1716-114-0x0000000000400000-0x00000000004A8000-memory.dmp
    Filesize

    672KB

  • memory/1716-116-0x0000000000400000-0x00000000004A8000-memory.dmp
    Filesize

    672KB

  • memory/1716-118-0x0000000000400000-0x00000000004A8000-memory.dmp
    Filesize

    672KB

  • memory/1716-120-0x0000000000400000-0x00000000004A8000-memory.dmp
    Filesize

    672KB

  • memory/1716-576-0x00000000006B5000-0x00000000006C6000-memory.dmp
    Filesize

    68KB