Resubmissions

29/05/2024, 17:27

240529-v1devacg2610

29/05/2024, 17:22

240529-vxrhascf887

Analysis

  • max time kernel
    290s
  • max time network
    276s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240426-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240426-enlocale:en-usos:windows10-2004-x64system
  • submitted
    29/05/2024, 17:27

General

  • Target
    #!!SetUp_4474_PassW0rd$$.rar
  • Size 8.5MB
  • Sample240529-v1devacg26
  • SHA256 de4d037006caf6985e2c60ac6e158b951cdd8cd860f1deb0a2ea35c1a618e6d9
  • MD5 SHA1 SHA512 SSDEEP
Score
10/10

Malware Config

Extracted

Family
  • lumma

C2
  • https://ensureclackexcatwi.shop/api

  • https://horsedwollfedrwos.shop/api

  • https://patternapplauderw.shop/api

  • https://understanndtytonyguw.shop/api

  • https://considerrycurrentyws.shop/api

  • https://messtimetabledkolvk.shop/api

  • https://detailbaconroollyws.shop/api

  • https://deprivedrinkyfaiir.shop/api

  • https://relaxtionflouwerwi.shop/api

Signatures

  • Lumma Stealer

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

  • Executes dropped EXE 6 IoCs
  • Loads dropped DLL 20 IoCs
  • Suspicious use of SetThreadContext 3 IoCs
  • Enumerates physical storage devices 1 TTPs

    Attempts to interact with connected storage/optical drive(s).

  • Checks SCSI registry key(s) 3 TTPs 3 IoCs

    SCSI information is often read in order to detect sandboxing environments.

  • Checks processor information in registry 2 TTPs 4 IoCs

    Processor information is often read in order to detect sandboxing environments.

  • Modifies registry class 3 IoCs
  • Suspicious behavior: EnumeratesProcesses 64 IoCs
  • Suspicious behavior: GetForegroundWindowSpam 1 IoCs
  • Suspicious behavior: MapViewOfSection 6 IoCs
  • Suspicious use of AdjustPrivilegeToken 12 IoCs
  • Suspicious use of FindShellTrayWindow 64 IoCs
  • Suspicious use of SendNotifyMessage 64 IoCs
  • Suspicious use of SetWindowsHookEx 23 IoCs
  • Suspicious use of WriteProcessMemory 31 IoCs

Processes

  • C:\Windows\system32\cmd.exe
    cmd /c C:\Users\Admin\AppData\Local\Temp\#!!SetUp_4474_PassW0rd$$.rar
    1⤵
    • Modifies registry class
    PID:2680
  • C:\Windows\system32\OpenWith.exe
    C:\Windows\system32\OpenWith.exe -Embedding
    1⤵
    • Modifies registry class
    • Suspicious use of SetWindowsHookEx
    PID:1276
  • C:\Windows\System32\rundll32.exe
    C:\Windows\System32\rundll32.exe C:\Windows\System32\shell32.dll,SHCreateLocalServerRunDll {9aa46009-3ce0-458a-a354-715610a075e6} -Embedding
    1⤵
      PID:4588
    • C:\Program Files\7-Zip\7zG.exe
      "C:\Program Files\7-Zip\7zG.exe" x -o"C:\Users\Admin\AppData\Local\Temp\#!!SetUp_4474_PassW0rd$$\" -spe -an -ai#7zMap9776:128:7zEvent868
      1⤵
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of FindShellTrayWindow
      PID:116
    • C:\Users\Admin\AppData\Local\Temp\#!!SetUp_4474_PassW0rd$$\Setup.exe
      "C:\Users\Admin\AppData\Local\Temp\#!!SetUp_4474_PassW0rd$$\Setup.exe"
      1⤵
      • Executes dropped EXE
      • Loads dropped DLL
      • Suspicious use of SetThreadContext
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious behavior: MapViewOfSection
      • Suspicious use of WriteProcessMemory
      PID:560
      • C:\Windows\SysWOW64\comp.exe
        C:\Windows\SysWOW64\comp.exe
        2⤵
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious behavior: MapViewOfSection
        • Suspicious use of WriteProcessMemory
        PID:1196
        • C:\Users\Admin\AppData\Local\Temp\Kufa.au3
          C:\Users\Admin\AppData\Local\Temp\Kufa.au3
          3⤵
          • Loads dropped DLL
          PID:4664
    • C:\Users\Admin\AppData\Local\Temp\#!!SetUp_4474_PassW0rd$$\Setup.exe
      "C:\Users\Admin\AppData\Local\Temp\#!!SetUp_4474_PassW0rd$$\Setup.exe"
      1⤵
      • Executes dropped EXE
      • Loads dropped DLL
      • Suspicious use of SetThreadContext
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious behavior: MapViewOfSection
      • Suspicious use of WriteProcessMemory
      PID:4348
      • C:\Windows\SysWOW64\comp.exe
        C:\Windows\SysWOW64\comp.exe
        2⤵
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious behavior: MapViewOfSection
        • Suspicious use of WriteProcessMemory
        PID:3348
        • C:\Users\Admin\AppData\Local\Temp\Kufa.au3
          C:\Users\Admin\AppData\Local\Temp\Kufa.au3
          3⤵
          • Loads dropped DLL
          PID:5104
    • C:\Users\Admin\AppData\Local\Temp\#!!SetUp_4474_PassW0rd$$\Setup.exe
      "C:\Users\Admin\AppData\Local\Temp\#!!SetUp_4474_PassW0rd$$\Setup.exe"
      1⤵
      • Executes dropped EXE
      PID:2224
    • C:\Users\Admin\AppData\Local\Temp\#!!SetUp_4474_PassW0rd$$\Setup.exe
      "C:\Users\Admin\AppData\Local\Temp\#!!SetUp_4474_PassW0rd$$\Setup.exe"
      1⤵
      • Executes dropped EXE
      • Loads dropped DLL
      • Suspicious behavior: EnumeratesProcesses
      PID:2212
    • C:\Users\Admin\AppData\Local\Temp\#!!SetUp_4474_PassW0rd$$\Setup.exe
      "C:\Users\Admin\AppData\Local\Temp\#!!SetUp_4474_PassW0rd$$\Setup.exe"
      1⤵
      • Executes dropped EXE
      • Loads dropped DLL
      • Suspicious behavior: EnumeratesProcesses
      PID:5080
    • C:\Windows\system32\taskmgr.exe
      "C:\Windows\system32\taskmgr.exe" /4
      1⤵
      • Checks SCSI registry key(s)
      • Checks processor information in registry
      • Modifies registry class
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of FindShellTrayWindow
      • Suspicious use of SendNotifyMessage
      • Suspicious use of WriteProcessMemory
      PID:4376
      • C:\Windows\system32\resmon.exe
        "C:\Windows\system32\resmon.exe"
        2⤵
        • Suspicious use of WriteProcessMemory
        PID:1828
        • C:\Windows\System32\perfmon.exe
          "C:\Windows\System32\perfmon.exe" /res
          3⤵
          • Checks processor information in registry
          • Suspicious behavior: EnumeratesProcesses
          • Suspicious behavior: GetForegroundWindowSpam
          • Suspicious use of AdjustPrivilegeToken
          PID:1928
    • C:\Users\Admin\AppData\Local\Temp\#!!SetUp_4474_PassW0rd$$\Setup.exe
      "C:\Users\Admin\AppData\Local\Temp\#!!SetUp_4474_PassW0rd$$\Setup.exe"
      1⤵
      • Executes dropped EXE
      • Loads dropped DLL
      • Suspicious use of SetThreadContext
      • Suspicious behavior: MapViewOfSection
      • Suspicious use of WriteProcessMemory
      PID:2380
      • C:\Windows\SysWOW64\comp.exe
        C:\Windows\SysWOW64\comp.exe
        2⤵
        • Suspicious behavior: MapViewOfSection
        • Suspicious use of WriteProcessMemory
        PID:3776
        • C:\Users\Admin\AppData\Local\Temp\Kufa.au3
          C:\Users\Admin\AppData\Local\Temp\Kufa.au3
          3⤵
            PID:4444

      Network

            MITRE ATT&CK Enterprise v15

            Replay Monitor

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            Downloads

            PassCode.txt

            • Path C:\Users\Admin\AppData\Local\Temp\#!!SetUp_4474_PassW0rd$$\PassCode.txt
            • Size 7.0MB
            • SHA256 c01f9214230554e54533e2a5fa2843631a0574fcfdf912ecd2c28244a473df1b
            • MD5 SHA1 SHA512 SSDEEP

            Setup.exe

            • Path C:\Users\Admin\AppData\Local\Temp\#!!SetUp_4474_PassW0rd$$\Setup.exe
            • Size 282KB
            • SHA256 4a7930a7130fe7c3c9822d90517e873e3e477c9a6978d096f740dc5b03770365
            • MD5 SHA1 SHA512 SSDEEP

            VCRUNTIME140_1.dll

            • Path C:\Users\Admin\AppData\Local\Temp\#!!SetUp_4474_PassW0rd$$\VCRUNTIME140_1.dll
            • Size 48KB
            • SHA256 6fd366a691ed68430bcd0a3de3d8d19a0cb2102952bfc140bbef4354ed082c47
            • MD5 SHA1 SHA512 SSDEEP

            artefact.dat

            • Path C:\Users\Admin\AppData\Local\Temp\#!!SetUp_4474_PassW0rd$$\artefact.dat
            • Size 34KB
            • SHA256 2193ecc14ab3f1a088a95e8063dd6e27ec14913ee5b0cb432e0b2fbaf77b53e8
            • MD5 SHA1 SHA512 SSDEEP

            groundspeed.m4a

            • Path C:\Users\Admin\AppData\Local\Temp\#!!SetUp_4474_PassW0rd$$\groundspeed.m4a
            • Size 1.3MB
            • SHA256 c0a5381cbc2b16badf0dc7cedba39120365060f1dfbeaa8016c1e8e151a98545
            • MD5 SHA1 SHA512 SSDEEP

            mozglue.dll

            • Path C:\Users\Admin\AppData\Local\Temp\#!!SetUp_4474_PassW0rd$$\mozglue.dll
            • Size 834KB
            • SHA256 15dc1ad35d62df7912745f37bf2f12e4a0cb3459c718d10b181535c5790ec808
            • MD5 SHA1 SHA512 SSDEEP

            msvcp140.dll

            • Path C:\Users\Admin\AppData\Local\Temp\#!!SetUp_4474_PassW0rd$$\msvcp140.dll
            • Size 564KB
            • SHA256 74892d9b4028c05debaf0b9b5d9dc6d22f7956fa7d7eee00c681318c26792823
            • MD5 SHA1 SHA512 SSDEEP

            vcruntime140.dll

            • Path C:\Users\Admin\AppData\Local\Temp\#!!SetUp_4474_PassW0rd$$\vcruntime140.dll
            • Size 106KB
            • SHA256 69320f278d90efaaeb67e2a1b55e5b0543883125834c812c8d9c39676e0494fc
            • MD5 SHA1 SHA512 SSDEEP

            7663de45

            • Path C:\Users\Admin\AppData\Local\Temp\7663de45
            • Size 1.8MB
            • SHA256 01374cb3ec19a12294d8783e9b5697cb441a07880fb284ab126fc76a835427fc
            • MD5 SHA1 SHA512 SSDEEP

            8f0e366

            • Path C:\Users\Admin\AppData\Local\Temp\8f0e366
            • Size 1.8MB
            • SHA256 2dfbbcf312ab5862a0e5f98c1aa170d1ebbfad713cf9735ce020011ea1710003
            • MD5 SHA1 SHA512 SSDEEP

            Kufa.au3

            • Path C:\Users\Admin\AppData\Local\Temp\Kufa.au3
            • Size 872KB
            • SHA256 237d1bca6e056df5bb16a1216a434634109478f882d3b1d58344c801d184f95d
            • MD5 SHA1 SHA512 SSDEEP

            cd7d5416

            • Path C:\Users\Admin\AppData\Local\Temp\cd7d5416
            • Size 1.8MB
            • SHA256 cb913643c61f3a9b8ec0205304edca274f7163a85f23983444a5cfbf39d4c139
            • MD5 SHA1 SHA512 SSDEEP

            memory/560-303-0x00007FFEB4800000-0x00007FFEB4972000-memory.dmp

            memory/560-296-0x00007FFEB4800000-0x00007FFEB4972000-memory.dmp

            memory/1196-308-0x0000000075A90000-0x0000000075C0B000-memory.dmp

            memory/1196-306-0x00007FFED3B10000-0x00007FFED3D05000-memory.dmp

            memory/2380-389-0x00007FFEB5890000-0x00007FFEB5A02000-memory.dmp

            memory/2380-402-0x00007FFEB5890000-0x00007FFEB5A02000-memory.dmp

            memory/3348-347-0x00007FFED3B10000-0x00007FFED3D05000-memory.dmp

            memory/3776-405-0x00007FFED3B10000-0x00007FFED3D05000-memory.dmp

            memory/3776-406-0x0000000075B30000-0x0000000075CAB000-memory.dmp

            memory/4348-339-0x00007FFEB4890000-0x00007FFEB4A02000-memory.dmp

            memory/4348-316-0x00007FFEB4890000-0x00007FFEB4A02000-memory.dmp

            memory/4376-371-0x000001DAC5A40000-0x000001DAC5A41000-memory.dmp

            memory/4376-378-0x000001DAC5A40000-0x000001DAC5A41000-memory.dmp

            memory/4376-372-0x000001DAC5A40000-0x000001DAC5A41000-memory.dmp

            memory/4376-382-0x000001DAC5A40000-0x000001DAC5A41000-memory.dmp

            memory/4376-381-0x000001DAC5A40000-0x000001DAC5A41000-memory.dmp

            memory/4376-380-0x000001DAC5A40000-0x000001DAC5A41000-memory.dmp

            memory/4376-379-0x000001DAC5A40000-0x000001DAC5A41000-memory.dmp

            memory/4376-370-0x000001DAC5A40000-0x000001DAC5A41000-memory.dmp

            memory/4376-377-0x000001DAC5A40000-0x000001DAC5A41000-memory.dmp

            memory/4376-376-0x000001DAC5A40000-0x000001DAC5A41000-memory.dmp

            memory/4664-342-0x0000000000060000-0x00000000000B6000-memory.dmp

            memory/4664-337-0x00007FFED3B10000-0x00007FFED3D05000-memory.dmp

            memory/5104-357-0x0000000000380000-0x00000000003D6000-memory.dmp

            memory/5104-356-0x00007FFED3B10000-0x00007FFED3D05000-memory.dmp

            memory/5104-355-0x0000000000380000-0x00000000003D6000-memory.dmp