Analysis

  • max time kernel
    127s
  • max time network
    151s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20250207-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20250207-enlocale:en-usos:windows10-2004-x64system
  • submitted
    08/02/2025, 15:53

General

  • Target

    boob.exe

  • Size

    391KB

  • MD5

    0f0da8c280a042a2d402eb0cd44118d6

  • SHA1

    6be83472e2c0827b15ec819788298bb21f35c00a

  • SHA256

    c19ab09c794ba5b102deb47330e3806380b6f547f8f84564ec17491087cb9fbb

  • SHA512

    a54645fcdfb844bad2bf429f8d80a8a4dc41c99bcf896ecd6f25cc6b3341e23da72fb6376e17685f0bcb3ca62dd13fb641ec022cd724f51f0417aa109a88d960

  • SSDEEP

    6144:Tux5lfopCjuxHCkCjiIFmZVNxNWU9kFXLcU1yeCkSjEgUQ+iGg0ZTYoe:45lwk4in2VfC9wAyNkQWQpGgqTYL

Malware Config

Extracted

Family

lumma

C2

https://paleboreei.biz/api

Signatures

  • Lumma Stealer, LummaC

    Lumma or LummaC is an infostealer written in C++ first seen in August 2022.

  • Lumma family
  • Downloads MZ/PE file 3 IoCs
  • .NET Reactor proctector 1 IoCs

    Detects an executable protected by an unregistered version of Eziriz's .NET Reactor.

  • Reads user/profile data of local email clients 2 TTPs

    Email clients store some user data on disk where infostealers will often target it.

  • Reads user/profile data of web browsers 3 TTPs

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

  • Accesses cryptocurrency files/wallets, possible credential harvesting 2 TTPs
  • Checks installed software on the system 1 TTPs

    Looks up Uninstall key entries in the registry to enumerate software on the system.

  • Suspicious use of SetThreadContext 1 IoCs
  • Browser Information Discovery 1 TTPs

    Enumerate browser information.

  • Program crash 1 IoCs
  • System Location Discovery: System Language Discovery 1 TTPs 3 IoCs

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

  • System Network Configuration Discovery: Internet Connection Discovery 1 TTPs 1 IoCs

    Adversaries may check for Internet connectivity on compromised systems.

  • Suspicious behavior: EnumeratesProcesses 4 IoCs
  • Suspicious use of WriteProcessMemory 9 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\boob.exe
    "C:\Users\Admin\AppData\Local\Temp\boob.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:4688
    • C:\Users\Admin\AppData\Local\Temp\boob.exe
      "C:\Users\Admin\AppData\Local\Temp\boob.exe"
      2⤵
      • Downloads MZ/PE file
      • System Location Discovery: System Language Discovery
      • Suspicious behavior: EnumeratesProcesses
      PID:2968
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 4688 -s 824
      2⤵
      • Program crash
      PID:1776
  • C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 4688 -ip 4688
    1⤵
      PID:4332
    • C:\Program Files (x86)\Microsoft\EdgeUpdate\MicrosoftEdgeUpdate.exe
      "C:\Program Files (x86)\Microsoft\EdgeUpdate\MicrosoftEdgeUpdate.exe" /ping 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-PGFwcCBhcHBpZD0iezhBNjlEMzQ1LUQ1NjQtNDYzYy1BRkYxLUE2OUQ5RTUzMEY5Nn0iIHZlcnNpb249IjEyMy4wLjYzMTIuMTIzIiBuZXh0dmVyc2lvbj0iIiBsYW5nPSJlbiIgYnJhbmQ9IkdHTFMiIGNsaWVudD0iIiBpbnN0YWxsYWdlPSIxIiBpbnN0YWxsZGF0ZXRpbWU9IjE3Mzg5NDY0MzMiIG9vYmVfaW5zdGFsbF90aW1lPSIxMzM4MzQxODc1OTU2NTAwMDAiPjxldmVudCBldmVudHR5cGU9IjMxIiBldmVudHJlc3VsdD0iMSIgZXJyb3Jjb2RlPSIwIiBleHRyYWNvZGUxPSIyMTc5ODYyIiBzeXN0ZW1fdXB0aW1lX3RpY2tzPSI1NDIzNTY4MDExIi8-PC9hcHA-PC9yZXF1ZXN0Pg
      1⤵
      • System Location Discovery: System Language Discovery
      • System Network Configuration Discovery: Internet Connection Discovery
      PID:1640

    Network

    MITRE ATT&CK Enterprise v15

    Replay Monitor

    Loading Replay Monitor...

    Downloads

    • memory/2968-7-0x0000000000400000-0x000000000045C000-memory.dmp

      Filesize

      368KB

    • memory/2968-9-0x0000000000400000-0x000000000045C000-memory.dmp

      Filesize

      368KB

    • memory/2968-5-0x0000000000400000-0x000000000045C000-memory.dmp

      Filesize

      368KB

    • memory/2968-11-0x0000000000400000-0x000000000045C000-memory.dmp

      Filesize

      368KB

    • memory/4688-0-0x000000007406E000-0x000000007406F000-memory.dmp

      Filesize

      4KB

    • memory/4688-1-0x00000000008C0000-0x0000000000928000-memory.dmp

      Filesize

      416KB

    • memory/4688-2-0x0000000005860000-0x0000000005E04000-memory.dmp

      Filesize

      5.6MB

    • memory/4688-3-0x0000000074060000-0x0000000074810000-memory.dmp

      Filesize

      7.7MB

    • memory/4688-8-0x0000000074060000-0x0000000074810000-memory.dmp

      Filesize

      7.7MB

    • memory/4688-10-0x0000000074060000-0x0000000074810000-memory.dmp

      Filesize

      7.7MB