Analysis

  • max time kernel
    94s
  • max time network
    151s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20241007-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
  • submitted
    18-01-2025 20:52

General

  • Target

    Browser_128_344_166.msi

  • Size

    1.2MB

  • MD5

    6265ad87754194af5bbd40aada2930a9

  • SHA1

    211b19af5e77f153f431ac223b9c22e8a5275ae9

  • SHA256

    3a9369aefe2a1212ca0bfadc0925d0149caf6436d1d9934e35c976fc9194a344

  • SHA512

    fe16f9d906996db99c55ed815fbe5c3be722c49a1a916a89c71c46a7fd2b7c40f2dadabe54a7dfe38a78a85d2115dd34c276f881c910a8cd1505090a2db3779e

  • SSDEEP

    24576:y/QsaepAxRKUMbZHkw92S1SBcKLmv47n4pQixafg9WPo7:BsTpAxrYMpmK41Mfg9N

Malware Config

Extracted

Family

lumma

C2

https://handlequarte.shop/api

Signatures

  • Lumma Stealer, LummaC

    Lumma or LummaC is an infostealer written in C++ first seen in August 2022.

  • Lumma family
  • Enumerates connected drives 3 TTPs 46 IoCs

    Attempts to read the root path of hard drives other than the default C: drive.

  • Suspicious use of SetThreadContext 1 IoCs
  • Drops file in Windows directory 8 IoCs
  • Executes dropped EXE 2 IoCs
  • Loads dropped DLL 4 IoCs
  • Event Triggered Execution: Installer Packages 2 TTPs 1 IoCs
  • System Location Discovery: System Language Discovery 1 TTPs 4 IoCs

    Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

  • Checks SCSI registry key(s) 3 TTPs 5 IoCs

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

  • Suspicious behavior: EnumeratesProcesses 7 IoCs
  • Suspicious behavior: MapViewOfSection 2 IoCs
  • Suspicious use of AdjustPrivilegeToken 64 IoCs
  • Suspicious use of FindShellTrayWindow 2 IoCs
  • Suspicious use of WriteProcessMemory 16 IoCs
  • Uses Volume Shadow Copy service COM API

    The Volume Shadow Copy service is used to manage backups/snapshots.

Processes

  • C:\Windows\system32\msiexec.exe
    msiexec.exe /I C:\Users\Admin\AppData\Local\Temp\Browser_128_344_166.msi
    1⤵
    • Enumerates connected drives
    • Event Triggered Execution: Installer Packages
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of FindShellTrayWindow
    PID:4648
  • C:\Windows\system32\msiexec.exe
    C:\Windows\system32\msiexec.exe /V
    1⤵
    • Enumerates connected drives
    • Drops file in Windows directory
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:2584
    • C:\Windows\system32\srtasks.exe
      C:\Windows\system32\srtasks.exe ExecuteScopeRestorePoint /WaitForRestorePoint:2
      2⤵
        PID:2852
      • C:\Users\Admin\AppData\Local\Pulu\steamerrorreporter.exe
        "C:\Users\Admin\AppData\Local\Pulu\steamerrorreporter.exe"
        2⤵
        • Executes dropped EXE
        • Loads dropped DLL
        • System Location Discovery: System Language Discovery
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of WriteProcessMemory
        PID:3660
        • C:\Users\Admin\AppData\Roaming\protectwriter\steamerrorreporter.exe
          C:\Users\Admin\AppData\Roaming\protectwriter\steamerrorreporter.exe
          3⤵
          • Suspicious use of SetThreadContext
          • Executes dropped EXE
          • Loads dropped DLL
          • System Location Discovery: System Language Discovery
          • Suspicious behavior: EnumeratesProcesses
          • Suspicious behavior: MapViewOfSection
          • Suspicious use of WriteProcessMemory
          PID:536
          • C:\Windows\SysWOW64\cmd.exe
            C:\Windows\SysWOW64\cmd.exe
            4⤵
            • System Location Discovery: System Language Discovery
            • Suspicious behavior: EnumeratesProcesses
            • Suspicious behavior: MapViewOfSection
            • Suspicious use of WriteProcessMemory
            PID:4640
            • C:\Windows\SysWOW64\explorer.exe
              C:\Windows\SysWOW64\explorer.exe
              5⤵
              • System Location Discovery: System Language Discovery
              PID:452
    • C:\Windows\system32\vssvc.exe
      C:\Windows\system32\vssvc.exe
      1⤵
      • Checks SCSI registry key(s)
      • Suspicious use of AdjustPrivilegeToken
      PID:1712

    Network

    MITRE ATT&CK Enterprise v15

    Replay Monitor

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    Downloads

    • C:\Config.Msi\e57c90e.rbs

      Filesize

      8KB

      MD5

      5d73b167d8634ee46c720b04a8a93654

      SHA1

      c414061254fb824be65aed2738afa868c2418342

      SHA256

      ccc3972cb731c3d514a1d020914af8e00bc74ab387aac32a07c462b23a44c071

      SHA512

      e13b8775e17e6347087c1e7d94f8adaac4aa1b67f201fab675ae89c8f649ed01bd538d0f6465fc8d4198aadb122482eefa71ba81657e91cc8972a1760e3463e6

    • C:\Users\Admin\AppData\Local\Pulu\bookmark.pkg

      Filesize

      807KB

      MD5

      bfa7cf4e086bfa4d7d705c00a8804993

      SHA1

      bab0b20067646f0ce6667bf295e1b1e27c8c8d45

      SHA256

      b522c814134b6f0ccfd956b332125a7b79875a50c546339547bacc75f0e4724f

      SHA512

      c1f23e06071fb5d1158a0c9d671e7c72924a45c335fc01cb5037a45755700d3aa8ffd24d4534394682625da42fbecfb01e4995a2ffaeb6416340ca3412533c33

    • C:\Users\Admin\AppData\Local\Pulu\camellia.ai

      Filesize

      35KB

      MD5

      ef4cc2dc2376885bd5fe462f2e2c2306

      SHA1

      569c6142aad7df78e15248e1ec330aa257c822c6

      SHA256

      a4e58970b06198c3ba9ccea820107cbb9ffd3e6a573cb88fac2b9cf1189bfdb9

      SHA512

      75c3911ff3d8fe1cdf3ac658f0ba8be7c1e23ada08fbac5ec0ef7315728c74e8a470b5f96c287f3e8c93e95bb08f5c60eba4246260e83d949dd980440cadb489

    • C:\Users\Admin\AppData\Local\Pulu\steamerrorreporter.exe

      Filesize

      560KB

      MD5

      dc1681b98049f1df46dd10d7f4c26045

      SHA1

      4c7f5cf7c00b6139979f8aa41f46979666369224

      SHA256

      594f9853124e0a81deeaaecb8ec3d192169e7393778214ef6d8f6460450ef080

      SHA512

      c9a2086326acbab8aba801da0d8bd2aa06951ec7fd7f32a3150f9521498c0b6711552695fbf9d0de7668503630c508bcd68e1d715796ef34f9945035da3fe1ed

    • C:\Users\Admin\AppData\Local\Pulu\tier0_s.dll

      Filesize

      330KB

      MD5

      86e38e6248c90cf7b79541f5cf565cce

      SHA1

      a746e8e6ee1a5010e5fa34cee7a3d29a11e9d035

      SHA256

      021152ff66cc6a397f1f2e26575d73c19c7e065ad23e2d811340abf759d6b2e8

      SHA512

      2d0d3238988e41ad47f0f35c6271e7f25379d3de5b949b63f795d80fbdb02594398fa3c7830418ff8feb67c6cac2ccd7d4ec64ade9fec2a1b072718215a9a54d

    • C:\Users\Admin\AppData\Local\Pulu\vstdlib_s.dll

      Filesize

      530KB

      MD5

      bf433279dfa1820d93ef9417fceaf306

      SHA1

      21dfda7d0ce11dba8f786c72d0a4db1dd3a82308

      SHA256

      3fa60435cba38c85310eeba1032bf1d305aeea2e4cf890c17966366d63d43963

      SHA512

      dd1823f68a25cb9d25d125267e9ea4fb0803ec0133b5fd183cf0d832ad1dceca53a8a7d4d79b94ce0b67ef3050334373ec80c211fa1ff8888c4a724d64a1b250

    • C:\Users\Admin\AppData\Local\Temp\6e6dbc1c

      Filesize

      1.0MB

      MD5

      6df855093af0e4212d7480da3518eeee

      SHA1

      8dff27165b65569c18f5d1a806abf824a5a7e774

      SHA256

      0839952e2b78b879c5635fb368038c34a566e9287f29a51b1c2c29734974db2d

      SHA512

      31e70f3a3e0ee76d90a7a09b59bae5709f5077461963f4ac6f4de1c86eb49db8d17547a9e82eb0d5af585c5b7e867aad3bc11c294d9f3edc060fb5bc0705f49c

    • C:\Windows\Installer\e57c90d.msi

      Filesize

      1.2MB

      MD5

      6265ad87754194af5bbd40aada2930a9

      SHA1

      211b19af5e77f153f431ac223b9c22e8a5275ae9

      SHA256

      3a9369aefe2a1212ca0bfadc0925d0149caf6436d1d9934e35c976fc9194a344

      SHA512

      fe16f9d906996db99c55ed815fbe5c3be722c49a1a916a89c71c46a7fd2b7c40f2dadabe54a7dfe38a78a85d2115dd34c276f881c910a8cd1505090a2db3779e

    • \??\GLOBALROOT\Device\HarddiskVolumeShadowCopy2\System Volume Information\SPP\metadata-2

      Filesize

      24.1MB

      MD5

      3d9d28bad9e6bb9d26c282900c441c2a

      SHA1

      8e9b14f04be66efc48686514cb6990b4572ee5f2

      SHA256

      2b15f7108d023da06384abd94edd915c5a8fa3047420da14818bdcb69e5e00fa

      SHA512

      dead866d09201de572bea50ff04214eeab7e143981b2dc78bff4ce7b19dc385bd0d53d2bace4dfb31c20172b5ccd2b801a07a030cc3f82793f86d3068f6e3071

    • \??\Volume{ff55cfe6-0000-0000-0000-d01200000000}\System Volume Information\SPP\OnlineMetadataCache\{2a6b2fb7-b864-4571-81cf-73b42064cba5}_OnDiskSnapshotProp

      Filesize

      6KB

      MD5

      bbc9fceae77fad17667adf04e63cf359

      SHA1

      baf586649483529c0cee06a25155905a3efa6cf1

      SHA256

      8709808a7883a0454be06c05277878ceb18dd969fe73e5ea9c39f1602b018562

      SHA512

      bb8d8a4ffa86c07571666ed0ecb0a6967b74b95a3209723a6d81f3467923de2bab527095d09bcedadafa18ee61f4365205577fc9c02625d69a90686e3d14b4e8

    • memory/452-60-0x00007FF927810000-0x00007FF927A05000-memory.dmp

      Filesize

      2.0MB

    • memory/452-61-0x0000000000FA0000-0x0000000000FFE000-memory.dmp

      Filesize

      376KB

    • memory/452-62-0x0000000000FA0000-0x0000000000FFE000-memory.dmp

      Filesize

      376KB

    • memory/536-52-0x0000000074630000-0x00000000747AB000-memory.dmp

      Filesize

      1.5MB

    • memory/536-53-0x00007FF927810000-0x00007FF927A05000-memory.dmp

      Filesize

      2.0MB

    • memory/536-54-0x0000000074630000-0x00000000747AB000-memory.dmp

      Filesize

      1.5MB

    • memory/3660-35-0x00007FF927810000-0x00007FF927A05000-memory.dmp

      Filesize

      2.0MB

    • memory/3660-34-0x0000000074630000-0x00000000747AB000-memory.dmp

      Filesize

      1.5MB

    • memory/4640-57-0x00007FF927810000-0x00007FF927A05000-memory.dmp

      Filesize

      2.0MB

    • memory/4640-58-0x0000000074630000-0x00000000747AB000-memory.dmp

      Filesize

      1.5MB