Analysis

  • max time kernel
    104s
  • max time network
    145s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20250314-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20250314-enlocale:en-usos:windows10-2004-x64system
  • submitted
    25/03/2025, 10:04

General

  • Target

    2487b12f52b803f5d38b3bb9388b039bf4f58c4b5d192d50da5fa047e9db828b.exe

  • Size

    514KB

  • MD5

    9c73b0f2a593fb39f3c0c80bc2851fbb

  • SHA1

    f2678fbd372b1d29870efb306da0169d3a6613c2

  • SHA256

    2487b12f52b803f5d38b3bb9388b039bf4f58c4b5d192d50da5fa047e9db828b

  • SHA512

    64c3b1e9e3ea08da7bbe073f98b5d78d7a705decce1773dc9468891730e7db5fc999400ae665671a83451ef3d2489a37d0903303313a7847d4d69c85a70e266a

  • SSDEEP

    12288:r9djfuZmvMyx1rF+LYkvaQIbuSWkTLRITl3D:rXWXmRF+LFvGuMSD

Malware Config

Signatures

  • MassLogger

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

  • MassLogger Main payload 1 IoCs
  • Masslogger family
  • Checks computer location settings 2 TTPs 1 IoCs

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

  • Deletes itself 1 IoCs
  • Reads user/profile data of web browsers 3 TTPs

    Infostealers often target stored browser data, which can include saved credentials etc.

  • Accesses Microsoft Outlook profiles 1 TTPs 42 IoCs
  • Indicator Removal: File Deletion 1 TTPs

    Adversaries may delete files left behind by the actions of their intrusion activity.

  • Looks up external IP address via web service 1 IoCs

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

  • System Location Discovery: System Language Discovery 1 TTPs 2 IoCs

    Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

  • Suspicious behavior: EnumeratesProcesses 5 IoCs
  • Suspicious use of AdjustPrivilegeToken 2 IoCs
  • Suspicious use of WriteProcessMemory 3 IoCs
  • outlook_office_path 1 IoCs
  • outlook_win_path 1 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\2487b12f52b803f5d38b3bb9388b039bf4f58c4b5d192d50da5fa047e9db828b.exe
    "C:\Users\Admin\AppData\Local\Temp\2487b12f52b803f5d38b3bb9388b039bf4f58c4b5d192d50da5fa047e9db828b.exe"
    1⤵
    • Checks computer location settings
    • Accesses Microsoft Outlook profiles
    • System Location Discovery: System Language Discovery
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    • outlook_office_path
    • outlook_win_path
    PID:2012
    • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
      "powershell" Start-Sleep -Seconds 2; Remove-Item -path 'C:\Users\Admin\AppData\Local\Temp\2487b12f52b803f5d38b3bb9388b039bf4f58c4b5d192d50da5fa047e9db828b.exe'
      2⤵
      • Deletes itself
      • System Location Discovery: System Language Discovery
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:4784

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads

  • C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_3yrz5vgs.knd.ps1

    Filesize

    60B

    MD5

    d17fe0a3f47be24a6453e9ef58c94641

    SHA1

    6ab83620379fc69f80c0242105ddffd7d98d5d9d

    SHA256

    96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7

    SHA512

    5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

  • memory/2012-6-0x0000000074D70000-0x0000000075520000-memory.dmp

    Filesize

    7.7MB

  • memory/2012-2-0x0000000074D70000-0x0000000075520000-memory.dmp

    Filesize

    7.7MB

  • memory/2012-3-0x00000000056E0000-0x0000000005772000-memory.dmp

    Filesize

    584KB

  • memory/2012-4-0x0000000005D30000-0x00000000062D4000-memory.dmp

    Filesize

    5.6MB

  • memory/2012-5-0x00000000065D0000-0x0000000006636000-memory.dmp

    Filesize

    408KB

  • memory/2012-13-0x0000000074D70000-0x0000000075520000-memory.dmp

    Filesize

    7.7MB

  • memory/2012-7-0x0000000074D70000-0x0000000075520000-memory.dmp

    Filesize

    7.7MB

  • memory/2012-8-0x0000000006CC0000-0x0000000006D10000-memory.dmp

    Filesize

    320KB

  • memory/2012-9-0x0000000006F30000-0x0000000006FCC000-memory.dmp

    Filesize

    624KB

  • memory/2012-10-0x0000000006EB0000-0x0000000006EBA000-memory.dmp

    Filesize

    40KB

  • memory/2012-1-0x00000000009B0000-0x0000000000A36000-memory.dmp

    Filesize

    536KB

  • memory/2012-0-0x0000000074D7E000-0x0000000074D7F000-memory.dmp

    Filesize

    4KB

  • memory/4784-12-0x0000000004F70000-0x0000000004FA6000-memory.dmp

    Filesize

    216KB

  • memory/4784-29-0x0000000005F50000-0x00000000062A4000-memory.dmp

    Filesize

    3.3MB

  • memory/4784-16-0x0000000074D70000-0x0000000075520000-memory.dmp

    Filesize

    7.7MB

  • memory/4784-17-0x0000000005560000-0x0000000005582000-memory.dmp

    Filesize

    136KB

  • memory/4784-18-0x0000000005D80000-0x0000000005DE6000-memory.dmp

    Filesize

    408KB

  • memory/4784-15-0x0000000074D70000-0x0000000075520000-memory.dmp

    Filesize

    7.7MB

  • memory/4784-24-0x0000000074D70000-0x0000000075520000-memory.dmp

    Filesize

    7.7MB

  • memory/4784-14-0x00000000055E0000-0x0000000005C08000-memory.dmp

    Filesize

    6.2MB

  • memory/4784-30-0x00000000065A0000-0x00000000065BE000-memory.dmp

    Filesize

    120KB

  • memory/4784-31-0x00000000065F0000-0x000000000663C000-memory.dmp

    Filesize

    304KB

  • memory/4784-32-0x0000000007BE0000-0x000000000825A000-memory.dmp

    Filesize

    6.5MB

  • memory/4784-33-0x0000000006AB0000-0x0000000006ACA000-memory.dmp

    Filesize

    104KB

  • memory/4784-34-0x0000000007600000-0x0000000007696000-memory.dmp

    Filesize

    600KB

  • memory/4784-35-0x0000000006B70000-0x0000000006B92000-memory.dmp

    Filesize

    136KB

  • memory/4784-38-0x0000000074D70000-0x0000000075520000-memory.dmp

    Filesize

    7.7MB