Analysis

  • max time kernel
    103s
  • max time network
    126s
  • platform
    windows7_x64
  • resource
    win7-20221111-en
  • resource tags

    arch:x64arch:x86image:win7-20221111-enlocale:en-usos:windows7-x64system
  • submitted
    02-12-2022 14:32

General

  • Target

    Kopija uplate.exe

  • Size

    1.2MB

  • MD5

    1349c7c55f1542bf80759c0413d5efbc

  • SHA1

    d1c3a26f32958f141816f6838cf1c0c27ca7a689

  • SHA256

    c384c293bcac89ee673842d9ee4f51ef4006f50ac3e1bd3011dd584a2f302bf8

  • SHA512

    d332bf8ffa0ab72084259348286a145e87848335531a210047dd9fb349fbf9fe908234cd5beefca7db867659b6223b7bd293bef830a64fa7d4f83d86c724bb7a

  • SSDEEP

    24576:dlqHTiwAAgEEY40JqZbREvD5gXc5MHXbnWgxuFgY:ATQp0Jsb+vDKs+3bfG

Malware Config

Signatures

  • MassLogger

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

  • MassLogger Main payload 1 IoCs
  • 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 35 IoCs
  • Suspicious behavior: EnumeratesProcesses 15 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • outlook_office_path 1 IoCs
  • outlook_win_path 1 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\Kopija uplate.exe
    "C:\Users\Admin\AppData\Local\Temp\Kopija uplate.exe"
    1⤵
    • Checks computer location settings
    • Accesses Microsoft Outlook profiles
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • outlook_office_path
    • outlook_win_path
    PID:1984

Network

MITRE ATT&CK Matrix ATT&CK v6

Credential Access

Credentials in Files

1
T1081

Discovery

Query Registry

1
T1012

System Information Discovery

1
T1082

Collection

Data from Local System

1
T1005

Email Collection

1
T1114

Replay Monitor

Loading Replay Monitor...

Downloads

  • memory/1984-54-0x0000000000EC0000-0x0000000001002000-memory.dmp
    Filesize

    1.3MB

  • memory/1984-55-0x0000000075761000-0x0000000075763000-memory.dmp
    Filesize

    8KB

  • memory/1984-56-0x0000000000260000-0x0000000000276000-memory.dmp
    Filesize

    88KB

  • memory/1984-57-0x0000000000280000-0x000000000028E000-memory.dmp
    Filesize

    56KB

  • memory/1984-58-0x0000000007FB0000-0x000000000808E000-memory.dmp
    Filesize

    888KB

  • memory/1984-59-0x0000000006120000-0x00000000061C6000-memory.dmp
    Filesize

    664KB

  • memory/1984-60-0x00000000080F0000-0x0000000008174000-memory.dmp
    Filesize

    528KB

  • memory/1984-61-0x0000000004515000-0x0000000004526000-memory.dmp
    Filesize

    68KB

  • memory/1984-62-0x0000000004515000-0x0000000004526000-memory.dmp
    Filesize

    68KB