Analysis

  • max time kernel
    144s
  • max time network
    146s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20231222-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20231222-enlocale:en-usos:windows10-2004-x64system
  • submitted
    14/01/2024, 17:58

General

  • Target

    5aec0e99db7bd449edb9a923df3a2c27.exe

  • Size

    987KB

  • MD5

    5aec0e99db7bd449edb9a923df3a2c27

  • SHA1

    1bcbfd66a0c5f10aa4a1437a7cd23c706418f282

  • SHA256

    9f51d19f0129696e8086dcf8bc470180c210a175f2b0fdfc91163d46a67a7f37

  • SHA512

    52cab3ff8fd5c37c22d576951acdb5373470ea194492bd70a01e3602a9f4cd7f56d604af49caed17e04da65eda74b117d2e8b20ac3ad0d58b4cd49eafa17cb32

  • SSDEEP

    24576:lfQvLUcdAIwlXeXIU2Tq2fGsuR2HTCRoe/1B:lfQjUchwl4IUcq2HuYHm3

Score
10/10

Malware Config

Signatures

  • Detect Lumma Stealer payload V4 5 IoCs
  • Lumma Stealer

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

  • Executes dropped EXE 10 IoCs
  • Drops file in System32 directory 22 IoCs
  • Suspicious use of WriteProcessMemory 30 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\5aec0e99db7bd449edb9a923df3a2c27.exe
    "C:\Users\Admin\AppData\Local\Temp\5aec0e99db7bd449edb9a923df3a2c27.exe"
    1⤵
    • Drops file in System32 directory
    • Suspicious use of WriteProcessMemory
    PID:5012
    • C:\Windows\SysWOW64\wuaudit.exe
      C:\Windows\system32\wuaudit.exe 1184 "C:\Users\Admin\AppData\Local\Temp\5aec0e99db7bd449edb9a923df3a2c27.exe"
      2⤵
      • Executes dropped EXE
      • Drops file in System32 directory
      • Suspicious use of WriteProcessMemory
      PID:3392
      • C:\Windows\SysWOW64\wuaudit.exe
        C:\Windows\system32\wuaudit.exe 1128 "C:\Windows\SysWOW64\wuaudit.exe"
        3⤵
        • Executes dropped EXE
        • Drops file in System32 directory
        • Suspicious use of WriteProcessMemory
        PID:1008
        • C:\Windows\SysWOW64\wuaudit.exe
          C:\Windows\system32\wuaudit.exe 1088 "C:\Windows\SysWOW64\wuaudit.exe"
          4⤵
          • Executes dropped EXE
          • Drops file in System32 directory
          • Suspicious use of WriteProcessMemory
          PID:3084
          • C:\Windows\SysWOW64\wuaudit.exe
            C:\Windows\system32\wuaudit.exe 1100 "C:\Windows\SysWOW64\wuaudit.exe"
            5⤵
            • Executes dropped EXE
            • Drops file in System32 directory
            • Suspicious use of WriteProcessMemory
            PID:1528
            • C:\Windows\SysWOW64\wuaudit.exe
              C:\Windows\system32\wuaudit.exe 1104 "C:\Windows\SysWOW64\wuaudit.exe"
              6⤵
              • Executes dropped EXE
              • Drops file in System32 directory
              • Suspicious use of WriteProcessMemory
              PID:4348
              • C:\Windows\SysWOW64\wuaudit.exe
                C:\Windows\system32\wuaudit.exe 1112 "C:\Windows\SysWOW64\wuaudit.exe"
                7⤵
                • Executes dropped EXE
                • Drops file in System32 directory
                • Suspicious use of WriteProcessMemory
                PID:5112
                • C:\Windows\SysWOW64\wuaudit.exe
                  C:\Windows\system32\wuaudit.exe 1092 "C:\Windows\SysWOW64\wuaudit.exe"
                  8⤵
                  • Executes dropped EXE
                  • Drops file in System32 directory
                  • Suspicious use of WriteProcessMemory
                  PID:3064
                  • C:\Windows\SysWOW64\wuaudit.exe
                    C:\Windows\system32\wuaudit.exe 1116 "C:\Windows\SysWOW64\wuaudit.exe"
                    9⤵
                    • Executes dropped EXE
                    • Drops file in System32 directory
                    • Suspicious use of WriteProcessMemory
                    PID:664
                    • C:\Windows\SysWOW64\wuaudit.exe
                      C:\Windows\system32\wuaudit.exe 1120 "C:\Windows\SysWOW64\wuaudit.exe"
                      10⤵
                      • Executes dropped EXE
                      • Drops file in System32 directory
                      • Suspicious use of WriteProcessMemory
                      PID:4228
                      • C:\Windows\SysWOW64\wuaudit.exe
                        C:\Windows\system32\wuaudit.exe 1124 "C:\Windows\SysWOW64\wuaudit.exe"
                        11⤵
                        • Executes dropped EXE
                        • Drops file in System32 directory
                        PID:1876

Network

        MITRE ATT&CK Matrix

        Replay Monitor

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        Downloads

        • C:\Windows\SysWOW64\wuaudit.exe

          Filesize

          1.6MB

          MD5

          7fffaf18f426d754485258a826ad4de3

          SHA1

          168c8f02ddeb714fa1090939aea68164489bfc0a

          SHA256

          4ba88f7cda7b2f8564738894b99f8a9a60c5bb6e4e65687752007afcdf6bce85

          SHA512

          b2d71d4ee4890cd8bad02c4875787d9283024dc4af34dfe80541afbb23d5c9570e34c9f405ce7feaff56494f7395dc87773a890f97f578dc11f30f9b92aa81cf

        • C:\Windows\SysWOW64\wuaudit.exe

          Filesize

          98KB

          MD5

          a12f2de24349ac5e2a98d50cec31d85b

          SHA1

          04f4447f7c69045e73ac3e480b4b4c426660bfc3

          SHA256

          36eb25cf1284912eaf7c0d1b30e1b997f3e23c9f8556d657e71d96103004c43d

          SHA512

          2016e51022cf62cc6996db5e39f9c8ab30ef0219069901120731002a2e5936ef064949d8ff18a9307dd066790a2f13de2ae70734cbb195d3655708d4c4998c84

        • C:\Windows\SysWOW64\wuaudit.exe

          Filesize

          1.1MB

          MD5

          282aad35586adda69ea5476e0e5261cf

          SHA1

          c13d068f8c37fec715c0e75003c9239db45a2e21

          SHA256

          4163a3ae0fd9d2ad2d672f59a1672fd5ad80464d295b0041db6a7f24bf754f70

          SHA512

          3a5c1c6eeb1079741f2f358665f92ee8fded26f987629aedd5cb35a1a127a43e220d269b81c32a6eb1743dba9ef6f7b65dc190ee095ab7633087d01047d5e123

        • memory/5012-4-0x000000007FDF0000-0x000000007FE4C000-memory.dmp

          Filesize

          368KB

        • memory/5012-11-0x000000007FDF0000-0x000000007FE4C000-memory.dmp

          Filesize

          368KB

        • memory/5012-6-0x000000007FDF0000-0x000000007FE4C000-memory.dmp

          Filesize

          368KB

        • memory/5012-5-0x000000007FDF0000-0x000000007FE4C000-memory.dmp

          Filesize

          368KB

        • memory/5012-9-0x000000007FDF0000-0x000000007FE4C000-memory.dmp

          Filesize

          368KB

        • memory/5012-8-0x000000007FDF0000-0x000000007FE4C000-memory.dmp

          Filesize

          368KB

        • memory/5012-7-0x000000007FDF0000-0x000000007FE4C000-memory.dmp

          Filesize

          368KB

        • memory/5012-0-0x0000000000400000-0x00000000005E8000-memory.dmp

          Filesize

          1.9MB

        • memory/5012-10-0x0000000000400000-0x00000000005E8000-memory.dmp

          Filesize

          1.9MB

        • memory/5012-2-0x000000007FDF0000-0x000000007FE4C000-memory.dmp

          Filesize

          368KB

        • memory/5012-18-0x000000007FDF0000-0x000000007FE4C000-memory.dmp

          Filesize

          368KB

        • memory/5012-19-0x0000000000400000-0x00000000005E8000-memory.dmp

          Filesize

          1.9MB

        • memory/5012-3-0x000000007FDF0000-0x000000007FE4C000-memory.dmp

          Filesize

          368KB

        • memory/5012-1-0x000000007FDF0000-0x000000007FE4C000-memory.dmp

          Filesize

          368KB