Analysis

  • max time kernel
    43s
  • max time network
    147s
  • platform
    windows7_x64
  • resource
    win7-20220414-en
  • submitted
    20-05-2022 15:20

General

  • Target

    DHL Shipping Documents.exe

  • Size

    2.0MB

  • MD5

    8c2ae0a1d14cda74ddc4309b46fee9a3

  • SHA1

    81443874dc7ac6cb16786f2c8779d823e13986dc

  • SHA256

    d8f4223d57a495c09741feb21a5e2ec082321d38a77e54a4d2b4b147d8e6bc23

  • SHA512

    1ed42929392bce8c943c62e36f9a84eea9d1a55d1540cf0e56991a864347456507f4df8a011f577255695938f0ac446b968ab8add499581ade7e724e185eb398

Malware Config

Extracted

Path

C:\Users\Admin\AppData\Local\Temp\3B8E3C2477\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: 5/20/2022 6:28:02 PM MassLogger Started: 5/20/2022 6:27:43 PM Interval: 96 hour MassLogger Process: C:\Windows\Microsoft.NET\Framework\v4.0.30319\MSBuild.exe MassLogger Melt: false MassLogger Exit after delivery: false As Administrator: True Processes:

Signatures

  • 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.

  • 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 FindShellTrayWindow 3 IoCs
  • Suspicious use of SendNotifyMessage 3 IoCs
  • Suspicious use of WriteProcessMemory 6 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\DHL Shipping Documents.exe
    "C:\Users\Admin\AppData\Local\Temp\DHL Shipping Documents.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious use of FindShellTrayWindow
    • Suspicious use of SendNotifyMessage
    • Suspicious use of WriteProcessMemory
    PID:1356
    • C:\Windows\Microsoft.NET\Framework\v4.0.30319\MSBuild.exe
      "C:\\\\Windows\\\\Microsoft.NET\\\\Framework\\\\v4.0.30319\\\\MSBuild.exe"
      2⤵
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:900

Network

MITRE ATT&CK Matrix

Replay Monitor

Loading Replay Monitor...

Downloads

  • memory/900-96-0x0000000000400000-0x00000000004B0000-memory.dmp

    Filesize

    704KB

  • memory/900-77-0x0000000000400000-0x00000000004B0000-memory.dmp

    Filesize

    704KB

  • memory/900-63-0x0000000000400000-0x00000000004B0000-memory.dmp

    Filesize

    704KB

  • memory/900-65-0x0000000000400000-0x00000000004B0000-memory.dmp

    Filesize

    704KB

  • memory/900-68-0x0000000000400000-0x00000000004B0000-memory.dmp

    Filesize

    704KB

  • memory/900-67-0x0000000000400000-0x00000000004B0000-memory.dmp

    Filesize

    704KB

  • memory/900-69-0x0000000000400000-0x00000000004B0000-memory.dmp

    Filesize

    704KB

  • memory/900-71-0x0000000000400000-0x00000000004B0000-memory.dmp

    Filesize

    704KB

  • memory/900-73-0x0000000000400000-0x00000000004B0000-memory.dmp

    Filesize

    704KB

  • memory/900-55-0x0000000000400000-0x00000000004B0000-memory.dmp

    Filesize

    704KB

  • memory/900-79-0x0000000000400000-0x00000000004B0000-memory.dmp

    Filesize

    704KB

  • memory/900-78-0x0000000000400000-0x00000000004B0000-memory.dmp

    Filesize

    704KB

  • memory/900-76-0x0000000000400000-0x00000000004B0000-memory.dmp

    Filesize

    704KB

  • memory/900-74-0x0000000000400000-0x00000000004B0000-memory.dmp

    Filesize

    704KB

  • memory/900-75-0x0000000000400000-0x00000000004B0000-memory.dmp

    Filesize

    704KB

  • memory/900-72-0x0000000000400000-0x00000000004B0000-memory.dmp

    Filesize

    704KB

  • memory/900-70-0x0000000000400000-0x00000000004B0000-memory.dmp

    Filesize

    704KB

  • memory/900-80-0x0000000000400000-0x00000000004B0000-memory.dmp

    Filesize

    704KB

  • memory/900-81-0x0000000000400000-0x00000000004B0000-memory.dmp

    Filesize

    704KB

  • memory/900-83-0x0000000000400000-0x00000000004B0000-memory.dmp

    Filesize

    704KB

  • memory/900-84-0x0000000000400000-0x00000000004B0000-memory.dmp

    Filesize

    704KB

  • memory/900-85-0x0000000000400000-0x00000000004B0000-memory.dmp

    Filesize

    704KB

  • memory/900-82-0x0000000000400000-0x00000000004B0000-memory.dmp

    Filesize

    704KB

  • memory/900-86-0x0000000000400000-0x00000000004B0000-memory.dmp

    Filesize

    704KB

  • memory/900-88-0x0000000000400000-0x00000000004B0000-memory.dmp

    Filesize

    704KB

  • memory/900-87-0x0000000000400000-0x00000000004B0000-memory.dmp

    Filesize

    704KB

  • memory/900-90-0x0000000000400000-0x00000000004B0000-memory.dmp

    Filesize

    704KB

  • memory/900-91-0x0000000000400000-0x00000000004B0000-memory.dmp

    Filesize

    704KB

  • memory/900-92-0x0000000000400000-0x00000000004B0000-memory.dmp

    Filesize

    704KB

  • memory/900-93-0x0000000000400000-0x00000000004B0000-memory.dmp

    Filesize

    704KB

  • memory/900-320-0x0000000000DD0000-0x0000000000E14000-memory.dmp

    Filesize

    272KB

  • memory/900-57-0x0000000000400000-0x00000000004B0000-memory.dmp

    Filesize

    704KB

  • memory/900-97-0x0000000000400000-0x00000000004B0000-memory.dmp

    Filesize

    704KB

  • memory/900-98-0x0000000000400000-0x00000000004B0000-memory.dmp

    Filesize

    704KB

  • memory/900-99-0x0000000000400000-0x00000000004B0000-memory.dmp

    Filesize

    704KB

  • memory/900-100-0x0000000000400000-0x00000000004B0000-memory.dmp

    Filesize

    704KB

  • memory/900-101-0x0000000000400000-0x00000000004B0000-memory.dmp

    Filesize

    704KB

  • memory/900-102-0x0000000000400000-0x00000000004B0000-memory.dmp

    Filesize

    704KB

  • memory/900-103-0x0000000000400000-0x00000000004B0000-memory.dmp

    Filesize

    704KB

  • memory/900-105-0x0000000000400000-0x00000000004B0000-memory.dmp

    Filesize

    704KB

  • memory/900-107-0x0000000000400000-0x00000000004B0000-memory.dmp

    Filesize

    704KB

  • memory/900-109-0x0000000000400000-0x00000000004B0000-memory.dmp

    Filesize

    704KB

  • memory/900-111-0x0000000000400000-0x00000000004B0000-memory.dmp

    Filesize

    704KB

  • memory/900-113-0x0000000000400000-0x00000000004B0000-memory.dmp

    Filesize

    704KB

  • memory/900-112-0x0000000000400000-0x00000000004B0000-memory.dmp

    Filesize

    704KB

  • memory/900-110-0x0000000000400000-0x00000000004B0000-memory.dmp

    Filesize

    704KB

  • memory/900-108-0x0000000000400000-0x00000000004B0000-memory.dmp

    Filesize

    704KB

  • memory/900-106-0x0000000000400000-0x00000000004B0000-memory.dmp

    Filesize

    704KB

  • memory/900-104-0x0000000000400000-0x00000000004B0000-memory.dmp

    Filesize

    704KB

  • memory/900-95-0x0000000000400000-0x00000000004B0000-memory.dmp

    Filesize

    704KB

  • memory/900-89-0x0000000000400000-0x00000000004B0000-memory.dmp

    Filesize

    704KB

  • memory/900-114-0x0000000000400000-0x00000000004B0000-memory.dmp

    Filesize

    704KB

  • memory/900-115-0x0000000000400000-0x00000000004B0000-memory.dmp

    Filesize

    704KB

  • memory/900-117-0x0000000000400000-0x00000000004B0000-memory.dmp

    Filesize

    704KB

  • memory/900-116-0x0000000000400000-0x00000000004B0000-memory.dmp

    Filesize

    704KB

  • memory/900-118-0x0000000000400000-0x00000000004B0000-memory.dmp

    Filesize

    704KB

  • memory/900-119-0x0000000000400000-0x00000000004B0000-memory.dmp

    Filesize

    704KB

  • memory/900-120-0x0000000000400000-0x00000000004B0000-memory.dmp

    Filesize

    704KB

  • memory/900-94-0x0000000000400000-0x00000000004B0000-memory.dmp

    Filesize

    704KB

  • memory/900-322-0x0000000004E15000-0x0000000004E26000-memory.dmp

    Filesize

    68KB

  • memory/1356-54-0x0000000076191000-0x0000000076193000-memory.dmp

    Filesize

    8KB

  • memory/1356-64-0x0000000003A20000-0x0000000003B75000-memory.dmp

    Filesize

    1.3MB

  • memory/1356-66-0x0000000003E40000-0x0000000003F95000-memory.dmp

    Filesize

    1.3MB