Analysis

  • max time kernel
    88s
  • max time network
    148s
  • platform
    windows7_x64
  • resource
    win7-20220414-en
  • submitted
    20-05-2022 14:15

General

  • Target

    DHL??11-05-2020.exe

  • Size

    1.1MB

  • MD5

    f786e547403c0dff7eda565cb5cb7c1b

  • SHA1

    2ecc1ac4325fd994336904c3d8126ec91b93efda

  • SHA256

    4b675daa6c54e06962ef1162fd7fe105fe9e76193626ec451dda29081cab3582

  • SHA512

    c129736dfead883d577980b4ce55ee107d28d1c12d94b42be6a2f5f36f862ce6ec3810b4430379c0b165940a0909f8e6a968b839314f3bc5f2e5530719045c8b

Malware Config

Signatures

  • MassLogger

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

  • MassLogger log file 1 IoCs

    Detects a log file produced by MassLogger.

  • Checks computer location settings 2 TTPs 1 IoCs

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

  • 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 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 1 IoCs
  • Suspicious behavior: MapViewOfSection 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of WriteProcessMemory 4 IoCs
  • outlook_office_path 1 IoCs
  • outlook_win_path 1 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\DHL__11-05-2020.exe
    "C:\Users\Admin\AppData\Local\Temp\DHL__11-05-2020.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious behavior: MapViewOfSection
    • Suspicious use of WriteProcessMemory
    PID:1964
    • C:\Users\Admin\AppData\Local\Temp\DHL__11-05-2020.exe
      "C:\Users\Admin\AppData\Local\Temp\DHL__11-05-2020.exe"
      2⤵
      • Checks computer location settings
      • Accesses Microsoft Outlook profiles
      • Suspicious use of AdjustPrivilegeToken
      • outlook_office_path
      • outlook_win_path
      PID:1952

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

Loading Replay Monitor...

Downloads

  • memory/1952-87-0x0000000000750000-0x00000000007F6000-memory.dmp

    Filesize

    664KB

  • memory/1952-57-0x0000000000750000-0x00000000007F6000-memory.dmp

    Filesize

    664KB

  • memory/1952-83-0x0000000000750000-0x00000000007F6000-memory.dmp

    Filesize

    664KB

  • memory/1952-85-0x0000000000750000-0x00000000007F6000-memory.dmp

    Filesize

    664KB

  • memory/1952-58-0x0000000000750000-0x00000000007F6000-memory.dmp

    Filesize

    664KB

  • memory/1952-61-0x0000000000750000-0x00000000007F6000-memory.dmp

    Filesize

    664KB

  • memory/1952-63-0x0000000000750000-0x00000000007F6000-memory.dmp

    Filesize

    664KB

  • memory/1952-65-0x0000000000750000-0x00000000007F6000-memory.dmp

    Filesize

    664KB

  • memory/1952-67-0x0000000000750000-0x00000000007F6000-memory.dmp

    Filesize

    664KB

  • memory/1952-69-0x0000000000750000-0x00000000007F6000-memory.dmp

    Filesize

    664KB

  • memory/1952-71-0x0000000000750000-0x00000000007F6000-memory.dmp

    Filesize

    664KB

  • memory/1952-73-0x0000000000750000-0x00000000007F6000-memory.dmp

    Filesize

    664KB

  • memory/1952-75-0x0000000000750000-0x00000000007F6000-memory.dmp

    Filesize

    664KB

  • memory/1952-77-0x0000000000750000-0x00000000007F6000-memory.dmp

    Filesize

    664KB

  • memory/1952-79-0x0000000000750000-0x00000000007F6000-memory.dmp

    Filesize

    664KB

  • memory/1952-81-0x0000000000750000-0x00000000007F6000-memory.dmp

    Filesize

    664KB

  • memory/1952-558-0x0000000005F00000-0x0000000005F44000-memory.dmp

    Filesize

    272KB

  • memory/1952-119-0x0000000000750000-0x00000000007F6000-memory.dmp

    Filesize

    664KB

  • memory/1952-55-0x00000000005618F0-mapping.dmp

  • memory/1952-89-0x0000000000750000-0x00000000007F6000-memory.dmp

    Filesize

    664KB

  • memory/1952-91-0x0000000000750000-0x00000000007F6000-memory.dmp

    Filesize

    664KB

  • memory/1952-93-0x0000000000750000-0x00000000007F6000-memory.dmp

    Filesize

    664KB

  • memory/1952-95-0x0000000000750000-0x00000000007F6000-memory.dmp

    Filesize

    664KB

  • memory/1952-97-0x0000000000750000-0x00000000007F6000-memory.dmp

    Filesize

    664KB

  • memory/1952-99-0x0000000000750000-0x00000000007F6000-memory.dmp

    Filesize

    664KB

  • memory/1952-101-0x0000000000750000-0x00000000007F6000-memory.dmp

    Filesize

    664KB

  • memory/1952-103-0x0000000000750000-0x00000000007F6000-memory.dmp

    Filesize

    664KB

  • memory/1952-105-0x0000000000750000-0x00000000007F6000-memory.dmp

    Filesize

    664KB

  • memory/1952-107-0x0000000000750000-0x00000000007F6000-memory.dmp

    Filesize

    664KB

  • memory/1952-109-0x0000000000750000-0x00000000007F6000-memory.dmp

    Filesize

    664KB

  • memory/1952-111-0x0000000000750000-0x00000000007F6000-memory.dmp

    Filesize

    664KB

  • memory/1952-113-0x0000000000750000-0x00000000007F6000-memory.dmp

    Filesize

    664KB

  • memory/1952-115-0x0000000000750000-0x00000000007F6000-memory.dmp

    Filesize

    664KB

  • memory/1952-117-0x0000000000750000-0x00000000007F6000-memory.dmp

    Filesize

    664KB

  • memory/1964-54-0x0000000075401000-0x0000000075403000-memory.dmp

    Filesize

    8KB

  • memory/1964-56-0x0000000000400000-0x000000000052D000-memory.dmp

    Filesize

    1.2MB