Analysis

  • max time kernel
    92s
  • max time network
    94s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240704-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240704-enlocale:en-usos:windows10-2004-x64system
  • submitted
    06-07-2024 07:24

General

  • Target

    85356bb669ec17503e48ca457e99347f5386ba644fba9d638d4188a7b4970153.exe

  • Size

    518KB

  • MD5

    efc76b9581da08661c9c91c2a6e7d289

  • SHA1

    ef7674fe136d80308a44d99ac72b8be550604110

  • SHA256

    85356bb669ec17503e48ca457e99347f5386ba644fba9d638d4188a7b4970153

  • SHA512

    b2d3432b68b227a5ad64faf6cc789f32ab2234a070c25393849c3d170616a125c1c3c82e18a7952b3ddd3a0024ff845c67aa67ce9b011b9cd9b74e093fc4e5d1

  • SSDEEP

    12288:MnUGt+HbHe5BjPORtvLP9qpbY7/2E1yItd2ybSLxWP1yh:Mnncbs1PODZqpBCSiS8Pg

Malware Config

Extracted

Family

lumma

C2

https://bitchsafettyudjwu.shop/api

Signatures

  • Lumma Stealer

    An infostealer written in C++ first seen in August 2022.

  • Reads user/profile data of web browsers 2 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
  • Program crash 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 4 IoCs
  • Suspicious use of WriteProcessMemory 9 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\85356bb669ec17503e48ca457e99347f5386ba644fba9d638d4188a7b4970153.exe
    "C:\Users\Admin\AppData\Local\Temp\85356bb669ec17503e48ca457e99347f5386ba644fba9d638d4188a7b4970153.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious use of WriteProcessMemory
    PID:840
    • C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe
      "C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe"
      2⤵
      • Suspicious behavior: EnumeratesProcesses
      PID:4768
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 840 -s 280
      2⤵
      • Program crash
      PID:1204
  • C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -pss -s 420 -p 840 -ip 840
    1⤵
      PID:4340

    Network

    MITRE ATT&CK Enterprise v15

    Replay Monitor

    Loading Replay Monitor...

    Downloads

    • memory/840-0-0x0000000000E50000-0x0000000000E51000-memory.dmp

      Filesize

      4KB

    • memory/4768-1-0x0000000000400000-0x0000000000456000-memory.dmp

      Filesize

      344KB

    • memory/4768-3-0x0000000000400000-0x0000000000456000-memory.dmp

      Filesize

      344KB

    • memory/4768-4-0x0000000000400000-0x0000000000456000-memory.dmp

      Filesize

      344KB

    • memory/4768-5-0x0000000000400000-0x0000000000456000-memory.dmp

      Filesize

      344KB