Resubmissions

14-05-2023 07:35

230514-jer6bsdd61 10

01-04-2023 07:48

230401-jm77hsgg63 10

Analysis

  • max time kernel
    39s
  • max time network
    47s
  • platform
    windows7_x64
  • resource
    win7-20230220-en
  • resource tags

    arch:x64arch:x86image:win7-20230220-enlocale:en-usos:windows7-x64system
  • submitted
    14-05-2023 07:35

General

  • Target

    Full-Best_version/Full-Best_version.exe

  • Size

    688.2MB

  • MD5

    4af00a6726258091519a23c663f3b5c5

  • SHA1

    4b68a3f48b1358f5f6506295a908ac664fbe005b

  • SHA256

    6167c27834aefe5443ba3fc65a9deaea4229873d2b8a8e3b749eeccd1ca61166

  • SHA512

    0d8325a87497b4ff5fe8aa3408027f1727730ed75079a074b89fc2d74d09a095c6dabd02f204e6441a4fd18c4483e848df25ece8dbe0191cd2949c22930c285b

  • SSDEEP

    24576:uemoKVciD2JhGtClhWL5pR1MUEMQa6tbzae6DgTXuQ5gurgaBPe4qdlTh7bmtVXP:uemVuY1+GYPc472Q

Score
10/10

Malware Config

Extracted

Family

lumma

C2

82.117.255.127

Signatures

  • Lumma Stealer

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

  • Accesses cryptocurrency files/wallets, possible credential harvesting 2 TTPs
  • Suspicious use of SetThreadContext 1 IoCs
  • Program crash 1 IoCs
  • Suspicious use of WriteProcessMemory 13 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\Full-Best_version\Full-Best_version.exe
    "C:\Users\Admin\AppData\Local\Temp\Full-Best_version\Full-Best_version.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious use of WriteProcessMemory
    PID:1424
    • C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe
      "C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe"
      2⤵
        PID:1472
      • C:\Windows\SysWOW64\WerFault.exe
        C:\Windows\SysWOW64\WerFault.exe -u -p 1424 -s 48
        2⤵
        • Program crash
        PID:468

    Network

    MITRE ATT&CK Enterprise v6

    Replay Monitor

    Loading Replay Monitor...

    Downloads

    • memory/1472-54-0x0000000000400000-0x00000000004B8000-memory.dmp

      Filesize

      736KB

    • memory/1472-55-0x0000000000400000-0x00000000004B8000-memory.dmp

      Filesize

      736KB

    • memory/1472-61-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

      Filesize

      4KB