Analysis

  • max time kernel
    148s
  • max time network
    124s
  • platform
    windows7_x64
  • resource
    win7-20240221-en
  • resource tags

    arch:x64arch:x86image:win7-20240221-enlocale:en-usos:windows7-x64system
  • submitted
    24-02-2024 21:22

General

  • Target

    a2c6d851a502187a0146351ba636c1d1.exe

  • Size

    150KB

  • MD5

    a2c6d851a502187a0146351ba636c1d1

  • SHA1

    1a865903b5e20020083ef5d6dc99292b58024e5c

  • SHA256

    1b77cac1dad528685fb7f2f19ddff24e6080a0024039671db5774b4a7ffbf68c

  • SHA512

    b79432127887a718f8707e5e767296b11f2cc8ff55da513f3bcf5c93b79f4bea9d9e5135c2d024ac05ac3fb7543133a07c22e270ed00761a0955f6b0374b4200

  • SSDEEP

    3072:/vVi7IdvHF/PG5iKg2ZdUZICiuErVCU/cU3cedK9zpDqi4:/WIFl/u5iwZdUZKuuFxK9zxqr

Score
10/10

Malware Config

Signatures

  • Detect Lumma Stealer payload V4 3 IoCs
  • Lumma Stealer

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

  • Executes dropped EXE 1 IoCs
  • Loads dropped DLL 2 IoCs
  • Drops file in System32 directory 20 IoCs
  • Suspicious use of WriteProcessMemory 4 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\a2c6d851a502187a0146351ba636c1d1.exe
    "C:\Users\Admin\AppData\Local\Temp\a2c6d851a502187a0146351ba636c1d1.exe"
    1⤵
    • Loads dropped DLL
    • Drops file in System32 directory
    • Suspicious use of WriteProcessMemory
    PID:1244
    • C:\Windows\SysWOW64\winscrne.exe
      C:\Windows\system32\winscrne.exe
      2⤵
      • Executes dropped EXE
      • Drops file in System32 directory
      PID:1668

Network

MITRE ATT&CK Matrix

Replay Monitor

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Downloads

  • \Windows\SysWOW64\winscrne.exe

    Filesize

    150KB

    MD5

    a2c6d851a502187a0146351ba636c1d1

    SHA1

    1a865903b5e20020083ef5d6dc99292b58024e5c

    SHA256

    1b77cac1dad528685fb7f2f19ddff24e6080a0024039671db5774b4a7ffbf68c

    SHA512

    b79432127887a718f8707e5e767296b11f2cc8ff55da513f3bcf5c93b79f4bea9d9e5135c2d024ac05ac3fb7543133a07c22e270ed00761a0955f6b0374b4200

  • memory/1244-0-0x0000000000400000-0x00000000007C8000-memory.dmp

    Filesize

    3.8MB

  • memory/1244-1-0x00000000021F0000-0x0000000002300000-memory.dmp

    Filesize

    1.1MB

  • memory/1244-12-0x0000000000400000-0x00000000007C8000-memory.dmp

    Filesize

    3.8MB

  • memory/1244-11-0x0000000002CC0000-0x0000000003088000-memory.dmp

    Filesize

    3.8MB

  • memory/1244-17-0x0000000002CC0000-0x0000000003088000-memory.dmp

    Filesize

    3.8MB

  • memory/1668-13-0x0000000002140000-0x0000000002250000-memory.dmp

    Filesize

    1.1MB

  • memory/1668-18-0x0000000000400000-0x00000000007C8000-memory.dmp

    Filesize

    3.8MB