Analysis

  • max time kernel
    136s
  • max time network
    145s
  • 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, 07:46

General

  • Target

    6a8a4bbb19d86c40938a18771c9ff4c1.exe

  • Size

    3.9MB

  • MD5

    6a8a4bbb19d86c40938a18771c9ff4c1

  • SHA1

    9416b64c873fafd2835cabeae9a322ee6671de10

  • SHA256

    bf7942c4a7de7c08083c2bb5961fe1b3fd7f5ab22f8bec2b0494d294aa4db32c

  • SHA512

    0523dfb127be53033b593ae1a410d6f08d4f8fee30b07f930244619a2cf21b5e0cf50c5ba5ea6060918bba3fd9029e0940b29ba90fab5886d91f5ef915450a28

  • SSDEEP

    49152:v3Pgz0GsP/7CYR3UTBb0xLCrSnBS4Guvx99yeUgncOVS/Ay06hPXql022:fPu0FP2jBbsnM4rvlyeUgcISB00S

Score
10/10

Malware Config

Extracted

Family

lumma

C2

https://goddirtybrilliancece.fun/api

Signatures

  • Lumma Stealer

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

  • Loads dropped DLL 1 IoCs
  • Suspicious use of SetThreadContext 1 IoCs
  • Program crash 2 IoCs
  • Suspicious use of WriteProcessMemory 9 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\6a8a4bbb19d86c40938a18771c9ff4c1.exe
    "C:\Users\Admin\AppData\Local\Temp\6a8a4bbb19d86c40938a18771c9ff4c1.exe"
    1⤵
    • Loads dropped DLL
    • Suspicious use of SetThreadContext
    • Suspicious use of WriteProcessMemory
    PID:4852
    • C:\Windows\Microsoft.NET\Framework\v4.0.30319\InstallUtil.exe
      C:\Windows\Microsoft.NET\Framework\v4.0.30319\InstallUtil.exe
      2⤵
        PID:4244
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -u -p 4244 -s 1032
          3⤵
          • Program crash
          PID:212
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -u -p 4244 -s 608
          3⤵
          • Program crash
          PID:2588
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -pss -s 444 -p 4244 -ip 4244
      1⤵
        PID:1356
      • C:\Windows\SysWOW64\WerFault.exe
        C:\Windows\SysWOW64\WerFault.exe -pss -s 452 -p 4244 -ip 4244
        1⤵
          PID:1940

        Network

              MITRE ATT&CK Matrix

              Replay Monitor

              Loading Replay Monitor...

              Downloads

              • C:\Users\Admin\AppData\Local\Temp\Protect544cd51a.dll

                Filesize

                337KB

                MD5

                99baf88be502e3e37b49607be3916f79

                SHA1

                3b471ff92c8872b27f36c97288c1dd9561e2dde7

                SHA256

                96a25e6c6135b6715d163bbc51a2dfc0708650c5f5f96c20a7bf906326ac2887

                SHA512

                d11019d70633ee3b02fe293065140eb184eb199a6787d3964cff761a7792f3ed809b7243edcc3c7e600f7053711f5dad82a208410ba394fd2109c3a8fc3872d4

              • memory/4244-24-0x0000000000400000-0x0000000000498000-memory.dmp

                Filesize

                608KB

              • memory/4244-27-0x0000000000FF0000-0x0000000001022000-memory.dmp

                Filesize

                200KB

              • memory/4244-35-0x0000000000400000-0x0000000000498000-memory.dmp

                Filesize

                608KB

              • memory/4244-34-0x0000000000FF0000-0x0000000001022000-memory.dmp

                Filesize

                200KB

              • memory/4244-33-0x0000000000FF0000-0x0000000001022000-memory.dmp

                Filesize

                200KB

              • memory/4244-32-0x0000000000FF0000-0x0000000001022000-memory.dmp

                Filesize

                200KB

              • memory/4244-31-0x0000000000400000-0x0000000000498000-memory.dmp

                Filesize

                608KB

              • memory/4244-21-0x0000000000400000-0x0000000000498000-memory.dmp

                Filesize

                608KB

              • memory/4244-26-0x0000000000400000-0x0000000000498000-memory.dmp

                Filesize

                608KB

              • memory/4244-29-0x0000000000FF0000-0x0000000001022000-memory.dmp

                Filesize

                200KB

              • memory/4244-30-0x0000000000FF0000-0x0000000001022000-memory.dmp

                Filesize

                200KB

              • memory/4852-28-0x0000000074870000-0x0000000075020000-memory.dmp

                Filesize

                7.7MB

              • memory/4852-1-0x0000000000E50000-0x0000000001238000-memory.dmp

                Filesize

                3.9MB

              • memory/4852-19-0x0000000007830000-0x0000000007930000-memory.dmp

                Filesize

                1024KB

              • memory/4852-2-0x0000000005C10000-0x0000000005CAC000-memory.dmp

                Filesize

                624KB

              • memory/4852-12-0x0000000005D20000-0x0000000005D30000-memory.dmp

                Filesize

                64KB

              • memory/4852-18-0x0000000005D20000-0x0000000005D30000-memory.dmp

                Filesize

                64KB

              • memory/4852-13-0x0000000005D20000-0x0000000005D30000-memory.dmp

                Filesize

                64KB

              • memory/4852-15-0x0000000005D20000-0x0000000005D30000-memory.dmp

                Filesize

                64KB

              • memory/4852-16-0x0000000005D20000-0x0000000005D30000-memory.dmp

                Filesize

                64KB

              • memory/4852-17-0x0000000005D20000-0x0000000005D30000-memory.dmp

                Filesize

                64KB

              • memory/4852-14-0x0000000007650000-0x0000000007660000-memory.dmp

                Filesize

                64KB

              • memory/4852-22-0x0000000007830000-0x0000000007930000-memory.dmp

                Filesize

                1024KB

              • memory/4852-20-0x0000000007830000-0x0000000007930000-memory.dmp

                Filesize

                1024KB

              • memory/4852-0-0x0000000074870000-0x0000000075020000-memory.dmp

                Filesize

                7.7MB

              • memory/4852-6-0x00000000073A0000-0x0000000007532000-memory.dmp

                Filesize

                1.6MB

              • memory/4852-5-0x0000000006030000-0x0000000006256000-memory.dmp

                Filesize

                2.1MB

              • memory/4852-4-0x0000000005D20000-0x0000000005D30000-memory.dmp

                Filesize

                64KB

              • memory/4852-3-0x0000000074870000-0x0000000075020000-memory.dmp

                Filesize

                7.7MB