Analysis

  • max time kernel
    150s
  • max time network
    128s
  • platform
    windows7_x64
  • resource
    win7-20231215-en
  • resource tags

    arch:x64arch:x86image:win7-20231215-enlocale:en-usos:windows7-x64system
  • submitted
    25/12/2023, 17:41

General

  • Target

    31af318a5eae1287b275f8f735d960d3.exe

  • Size

    178KB

  • MD5

    31af318a5eae1287b275f8f735d960d3

  • SHA1

    f8f754bd0433cf29c3023c3e618a10bc4e3a7a59

  • SHA256

    e5b5eabcbe3fe2d8b41d06989a4ec4987e8884e375c6d0b763a87a135ac9663d

  • SHA512

    ba464caddd31d9ab17a8879f4ca0a8b038a1cc015fdaa1874b15f1b0d487658793c9b06c8a559872b250989f8fd4ee9c3e8fb12238f51984638fadafc5161a5d

  • SSDEEP

    3072:DFzxR/YSMF8LhrsCS+pZrBW+02NG9C35fMuDyEZOEVrj0C/pq6914fNO:DP97MGxsCS/+0oGu5fzAEVA64fNO

Malware Config

Signatures

  • Executes dropped EXE 2 IoCs
  • Loads dropped DLL 4 IoCs
  • Reads user/profile data of web browsers 2 TTPs

    Infostealers often target stored browser data, which can include saved credentials etc.

  • Adds Run key to start application 2 TTPs 1 IoCs
  • Modifies Internet Explorer Phishing Filter 1 TTPs 3 IoCs
  • Modifies Internet Explorer settings 1 TTPs 2 IoCs
  • Suspicious behavior: EnumeratesProcesses 64 IoCs
  • Suspicious use of AdjustPrivilegeToken 64 IoCs
  • Suspicious use of WriteProcessMemory 14 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\31af318a5eae1287b275f8f735d960d3.exe
    "C:\Users\Admin\AppData\Local\Temp\31af318a5eae1287b275f8f735d960d3.exe"
    1⤵
    • Loads dropped DLL
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:1988
    • C:\Recycle.Bin\Recycle.Bin.exe
      "C:\Recycle.Bin\Recycle.Bin.exe"
      2⤵
      • Executes dropped EXE
      • Loads dropped DLL
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of WriteProcessMemory
      PID:2140
      • C:\Users\Admin\AppData\Local\Temp\aEe68D1.exe
        "C:\Users\Admin\AppData\Local\Temp\aEe68D1.exe"
        3⤵
        • Executes dropped EXE
        • Adds Run key to start application
        • Modifies Internet Explorer Phishing Filter
        • Modifies Internet Explorer settings
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of AdjustPrivilegeToken
        • Suspicious use of WriteProcessMemory
        PID:2812

Network

        MITRE ATT&CK Enterprise v15

        Replay Monitor

        Loading Replay Monitor...

        Downloads

        • C:\Recycle.Bin\config.bin

          Filesize

          5KB

          MD5

          4e3807d84f0a96c35320e3488297dbd1

          SHA1

          9fed69c0766609b64ae88948e96c0b256d1036b9

          SHA256

          49e60fcfb09dc5dc0f8b97d55a5315c43c69109c4cd6c9a630f0a5e90e298a18

          SHA512

          fffb2d2c9dd399183c8393b8c7fae355f9ff0082b86baabe16b291d26315fb8160db0541d47a3d08e7187cb5b9650fed79ff7a11c28e4d0ac2acbf54fcae7f37

        • C:\Users\Admin\AppData\Local\Temp\aEe68D1.exe

          Filesize

          3KB

          MD5

          29090b6b4d6605a97ac760d06436ac2d

          SHA1

          d929d3389642e52bae5ad8512293c9c4d3e4fab5

          SHA256

          98a24f0caf5b578e230e6f1103a5fba6aecb28a9128cad5520fcde546d643272

          SHA512

          9121ec42fa66e14a4fc3932c8dbcc8fb1a93ab9de00da57a82e176faa70b73f6992f8c5e2ab52c02fc28c8f0c59aee73b6fbbd39107db7d15105054f4390e9be

        • \Recycle.Bin\Recycle.Bin.exe

          Filesize

          178KB

          MD5

          31af318a5eae1287b275f8f735d960d3

          SHA1

          f8f754bd0433cf29c3023c3e618a10bc4e3a7a59

          SHA256

          e5b5eabcbe3fe2d8b41d06989a4ec4987e8884e375c6d0b763a87a135ac9663d

          SHA512

          ba464caddd31d9ab17a8879f4ca0a8b038a1cc015fdaa1874b15f1b0d487658793c9b06c8a559872b250989f8fd4ee9c3e8fb12238f51984638fadafc5161a5d

        • memory/1988-87-0x000000000BAD0000-0x000000000BB1D000-memory.dmp

          Filesize

          308KB

        • memory/1988-71-0x0000000077C9F000-0x0000000077CA1000-memory.dmp

          Filesize

          8KB

        • memory/1988-3-0x00000000002C0000-0x00000000002C1000-memory.dmp

          Filesize

          4KB

        • memory/1988-2-0x00000000002C0000-0x00000000002C1000-memory.dmp

          Filesize

          4KB

        • memory/1988-6-0x0000000077C9F000-0x0000000077CA1000-memory.dmp

          Filesize

          8KB

        • memory/1988-8-0x0000000000230000-0x0000000000232000-memory.dmp

          Filesize

          8KB

        • memory/1988-1-0x0000000000400000-0x000000000045C000-memory.dmp

          Filesize

          368KB

        • memory/1988-85-0x000000000BAD0000-0x000000000BB1D000-memory.dmp

          Filesize

          308KB

        • memory/1988-0-0x0000000000220000-0x0000000000223000-memory.dmp

          Filesize

          12KB

        • memory/1988-83-0x000000000BAD0000-0x000000000BB1D000-memory.dmp

          Filesize

          308KB

        • memory/1988-77-0x00000000002D0000-0x00000000002D1000-memory.dmp

          Filesize

          4KB

        • memory/1988-74-0x00000000002D0000-0x00000000002D1000-memory.dmp

          Filesize

          4KB

        • memory/1988-100-0x0000000077C9F000-0x0000000077CA1000-memory.dmp

          Filesize

          8KB

        • memory/1988-93-0x000000000BAD0000-0x000000000BB1D000-memory.dmp

          Filesize

          308KB

        • memory/1988-90-0x000000000BAD0000-0x000000000BB1D000-memory.dmp

          Filesize

          308KB

        • memory/1988-66-0x0000000000400000-0x000000000045C000-memory.dmp

          Filesize

          368KB

        • memory/2140-16-0x0000000000220000-0x0000000000223000-memory.dmp

          Filesize

          12KB

        • memory/2140-38-0x0000000000220000-0x0000000000223000-memory.dmp

          Filesize

          12KB

        • memory/2140-30-0x0000000000230000-0x000000000027D000-memory.dmp

          Filesize

          308KB

        • memory/2140-17-0x0000000000400000-0x000000000045C000-memory.dmp

          Filesize

          368KB

        • memory/2140-19-0x0000000000230000-0x000000000027D000-memory.dmp

          Filesize

          308KB

        • memory/2140-18-0x0000000000400000-0x000000000045C000-memory.dmp

          Filesize

          368KB

        • memory/2812-76-0x0000000077780000-0x0000000077880000-memory.dmp

          Filesize

          1024KB

        • memory/2812-88-0x000000000BAD0000-0x000000000BB1D000-memory.dmp

          Filesize

          308KB

        • memory/2812-56-0x000000000BAD0000-0x000000000BB1D000-memory.dmp

          Filesize

          308KB

        • memory/2812-57-0x000000000BAD0000-0x000000000BB1D000-memory.dmp

          Filesize

          308KB

        • memory/2812-60-0x0000000002510000-0x00000000026D4000-memory.dmp

          Filesize

          1.8MB

        • memory/2812-59-0x000000000BAD0000-0x000000000BB1D000-memory.dmp

          Filesize

          308KB

        • memory/2812-58-0x000000000BAD0000-0x000000000BB1D000-memory.dmp

          Filesize

          308KB

        • memory/2812-63-0x0000000077CA1000-0x0000000077CA3000-memory.dmp

          Filesize

          8KB

        • memory/2812-62-0x000000000BAD0000-0x000000000BB1D000-memory.dmp

          Filesize

          308KB

        • memory/2812-64-0x000000000BAD0000-0x000000000BB1D000-memory.dmp

          Filesize

          308KB

        • memory/2812-65-0x000000000BAD0000-0x000000000BB1D000-memory.dmp

          Filesize

          308KB

        • memory/2812-54-0x000000000BAD0000-0x000000000BB1D000-memory.dmp

          Filesize

          308KB

        • memory/2812-61-0x0000000077C9F000-0x0000000077CA1000-memory.dmp

          Filesize

          8KB

        • memory/2812-67-0x000000000BAD0000-0x000000000BB1D000-memory.dmp

          Filesize

          308KB

        • memory/2812-68-0x000000000BAD0000-0x000000000BB1D000-memory.dmp

          Filesize

          308KB

        • memory/2812-69-0x000000000BAD0000-0x000000000BB1D000-memory.dmp

          Filesize

          308KB

        • memory/2812-70-0x000000000BAD0000-0x000000000BB1D000-memory.dmp

          Filesize

          308KB

        • memory/2812-72-0x000000000BAD0000-0x000000000BB1D000-memory.dmp

          Filesize

          308KB

        • memory/2812-52-0x0000000000D40000-0x0000000000F04000-memory.dmp

          Filesize

          1.8MB

        • memory/2812-73-0x0000000075790000-0x0000000075954000-memory.dmp

          Filesize

          1.8MB

        • memory/2812-75-0x000000000BAD0000-0x000000000BB1D000-memory.dmp

          Filesize

          308KB

        • memory/2812-47-0x0000000000230000-0x000000000027D000-memory.dmp

          Filesize

          308KB

        • memory/2812-79-0x0000000075790000-0x0000000075954000-memory.dmp

          Filesize

          1.8MB

        • memory/2812-78-0x000000000BAD0000-0x000000000BB1D000-memory.dmp

          Filesize

          308KB

        • memory/2812-80-0x000000000BAD0000-0x000000000BB1D000-memory.dmp

          Filesize

          308KB

        • memory/2812-82-0x000000000BAD0000-0x000000000BB1D000-memory.dmp

          Filesize

          308KB

        • memory/2812-84-0x0000000075790000-0x0000000075954000-memory.dmp

          Filesize

          1.8MB

        • memory/2812-44-0x0000000000230000-0x000000000027D000-memory.dmp

          Filesize

          308KB

        • memory/2812-45-0x0000000000220000-0x0000000000226000-memory.dmp

          Filesize

          24KB

        • memory/2812-42-0x0000000000220000-0x0000000000226000-memory.dmp

          Filesize

          24KB

        • memory/2812-41-0x0000000000230000-0x000000000027D000-memory.dmp

          Filesize

          308KB

        • memory/2812-86-0x0000000075790000-0x0000000075954000-memory.dmp

          Filesize

          1.8MB

        • memory/2812-39-0x0000000000230000-0x000000000027D000-memory.dmp

          Filesize

          308KB

        • memory/2812-55-0x000000000BAD0000-0x000000000BB1D000-memory.dmp

          Filesize

          308KB

        • memory/2812-89-0x0000000075790000-0x0000000075954000-memory.dmp

          Filesize

          1.8MB

        • memory/2812-37-0x0000000001000000-0x0000000001004000-memory.dmp

          Filesize

          16KB

        • memory/2812-36-0x0000000000230000-0x000000000027D000-memory.dmp

          Filesize

          308KB

        • memory/2812-92-0x0000000075790000-0x0000000075954000-memory.dmp

          Filesize

          1.8MB

        • memory/2812-91-0x000000000BAD0000-0x000000000BB1D000-memory.dmp

          Filesize

          308KB

        • memory/2812-98-0x0000000075790000-0x0000000075954000-memory.dmp

          Filesize

          1.8MB

        • memory/2812-97-0x000000000BAD0000-0x000000000BB1D000-memory.dmp

          Filesize

          308KB

        • memory/2812-29-0x0000000000230000-0x000000000027D000-memory.dmp

          Filesize

          308KB

        • memory/2812-101-0x000000000BAD0000-0x000000000BB1D000-memory.dmp

          Filesize

          308KB

        • memory/2812-102-0x0000000075790000-0x0000000075954000-memory.dmp

          Filesize

          1.8MB

        • memory/2812-104-0x000000000BAD0000-0x000000000BB1D000-memory.dmp

          Filesize

          308KB

        • memory/2812-105-0x0000000000220000-0x0000000000226000-memory.dmp

          Filesize

          24KB

        • memory/2812-106-0x0000000076990000-0x00000000769C5000-memory.dmp

          Filesize

          212KB

        • memory/2812-107-0x000000000BAD0000-0x000000000BB1D000-memory.dmp

          Filesize

          308KB

        • memory/2812-108-0x0000000000D40000-0x0000000000F04000-memory.dmp

          Filesize

          1.8MB

        • memory/2812-109-0x000000000BAD0000-0x000000000BB1D000-memory.dmp

          Filesize

          308KB

        • memory/2812-112-0x0000000075790000-0x0000000075954000-memory.dmp

          Filesize

          1.8MB

        • memory/2812-110-0x000000000BAD0000-0x000000000BB1D000-memory.dmp

          Filesize

          308KB

        • memory/2812-111-0x000000000BAD0000-0x000000000BB1D000-memory.dmp

          Filesize

          308KB

        • memory/2812-114-0x0000000077780000-0x0000000077880000-memory.dmp

          Filesize

          1024KB

        • memory/2812-116-0x0000000075790000-0x0000000075954000-memory.dmp

          Filesize

          1.8MB

        • memory/2812-113-0x000000000BAD0000-0x000000000BB1D000-memory.dmp

          Filesize

          308KB

        • memory/2812-117-0x0000000002C10000-0x0000000002C45000-memory.dmp

          Filesize

          212KB

        • memory/2812-118-0x0000000075790000-0x0000000075954000-memory.dmp

          Filesize

          1.8MB

        • memory/2812-119-0x0000000075790000-0x0000000075954000-memory.dmp

          Filesize

          1.8MB

        • memory/2812-120-0x0000000076990000-0x00000000769C5000-memory.dmp

          Filesize

          212KB

        • memory/2812-121-0x0000000075790000-0x0000000075954000-memory.dmp

          Filesize

          1.8MB

        • memory/2812-122-0x000000000BAD0000-0x000000000BB1D000-memory.dmp

          Filesize

          308KB

        • memory/2812-127-0x0000000075790000-0x0000000075954000-memory.dmp

          Filesize

          1.8MB

        • memory/2812-128-0x0000000075790000-0x0000000075954000-memory.dmp

          Filesize

          1.8MB

        • memory/2812-129-0x0000000075790000-0x0000000075954000-memory.dmp

          Filesize

          1.8MB

        • memory/2812-130-0x0000000000230000-0x000000000027D000-memory.dmp

          Filesize

          308KB

        • memory/2812-138-0x0000000002510000-0x00000000026D4000-memory.dmp

          Filesize

          1.8MB