Analysis

  • max time kernel
    146s
  • max time network
    191s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20231215-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20231215-enlocale:en-usos:windows10-2004-x64system
  • submitted
    02/01/2024, 16:06

General

  • Target

    7e1fdba02d3b4f8ad6b0dce97d96ea6d.exe

  • Size

    1.4MB

  • MD5

    7e1fdba02d3b4f8ad6b0dce97d96ea6d

  • SHA1

    f48ae1452b6d9ee778eca7789eedb01c2833a9d4

  • SHA256

    cffb6fad2233cb1d9bf78556fc31346f21ab57c57969ab2bbeaffcec9cd81fe7

  • SHA512

    7b6651ecd0f9c2847291d8614ad4d37a78423d81573caccd97d3181f1ff18c951aceae9aa331bc766f15a8cfd8e8cca6afc5e21e922ecceefa27668d7e527d3c

  • SSDEEP

    24576:Ahik9Fe48J//s8kUfpinWpzjc540i+knpJmJ4e52AeFJHFm9:aup9/s8kUEWcVi+A7AePE9

Malware Config

Signatures

  • NirSoft MailPassView 3 IoCs

    Password recovery tool for various email clients

  • Nirsoft 20 IoCs
  • Executes dropped EXE 1 IoCs
  • Reads user/profile data of web browsers 2 TTPs

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

  • UPX packed file 31 IoCs

    Detects executables packed with UPX/modified UPX open source packer.

  • Accesses Microsoft Outlook accounts 1 TTPs 1 IoCs
  • Suspicious use of SetThreadContext 9 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • Suspicious behavior: EnumeratesProcesses 4 IoCs
  • Suspicious use of AdjustPrivilegeToken 3 IoCs
  • Suspicious use of WriteProcessMemory 64 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\7e1fdba02d3b4f8ad6b0dce97d96ea6d.exe
    "C:\Users\Admin\AppData\Local\Temp\7e1fdba02d3b4f8ad6b0dce97d96ea6d.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious use of WriteProcessMemory
    PID:2576
    • C:\Users\Admin\AppData\Local\Temp\7e1fdba02d3b4f8ad6b0dce97d96ea6d.exe
      /stext C:\Users\Admin\AppData\Local\Temp\temp.txt
      2⤵
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:5052
    • C:\Users\Admin\AppData\Local\Temp\7e1fdba02d3b4f8ad6b0dce97d96ea6d.exe
      /stext C:\Users\Admin\AppData\Local\Temp\temp.txt
      2⤵
      • Suspicious use of AdjustPrivilegeToken
      PID:2228
    • C:\Users\Admin\AppData\Local\Temp\7e1fdba02d3b4f8ad6b0dce97d96ea6d.exe
      /stext C:\Users\Admin\AppData\Local\Temp\temp.txt
      2⤵
        PID:3056
      • C:\Users\Admin\AppData\Local\Temp\7e1fdba02d3b4f8ad6b0dce97d96ea6d.exe
        /stext C:\Users\Admin\AppData\Local\Temp\temp.txt
        2⤵
        • Accesses Microsoft Outlook accounts
        PID:3460
      • C:\Users\Admin\AppData\Local\Temp\7e1fdba02d3b4f8ad6b0dce97d96ea6d.exe
        /stext C:\Users\Admin\AppData\Local\Temp\temp.txt
        2⤵
          PID:3180
        • C:\Users\Admin\AppData\Local\Temp\7e1fdba02d3b4f8ad6b0dce97d96ea6d.exe
          /stext C:\Users\Admin\AppData\Local\Temp\temp.txt
          2⤵
            PID:4624
          • C:\Users\Admin\AppData\Local\Temp\7e1fdba02d3b4f8ad6b0dce97d96ea6d.exe
            /stext C:\Users\Admin\AppData\Local\Temp\temp.txt
            2⤵
            • Suspicious behavior: EnumeratesProcesses
            • Suspicious use of AdjustPrivilegeToken
            PID:4896
          • C:\Users\Admin\AppData\Local\Temp\7e1fdba02d3b4f8ad6b0dce97d96ea6d.exe
            /stext C:\Users\Admin\AppData\Local\Temp\temp.txt
            2⤵
              PID:3628
            • C:\Users\Admin\AppData\Local\Temp\7e1fdba02d3b4f8ad6b0dce97d96ea6d.exe
              "C:\Users\Admin\AppData\Local\Temp\7e1fdba02d3b4f8ad6b0dce97d96ea6d.exe"
              2⤵
                PID:4076
              • C:\Users\Admin\AppData\Local\Temp\temp.exe
                "C:\Users\Admin\AppData\Local\Temp\temp.exe"
                2⤵
                • Executes dropped EXE
                PID:5108

            Network

            MITRE ATT&CK Enterprise v15

            Replay Monitor

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            Downloads

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

              Filesize

              1004KB

              MD5

              0c48aa176d4745450dc7f357e1895f59

              SHA1

              f20f445f9fc6dcafb1e0b29c718e2a4511e48927

              SHA256

              85f74e3dc40d9bbdec2140b2273d1e219ef52f98343fc7e52a8cbace176a13f7

              SHA512

              9f4429124f018d0ee9cd3e9fc626864cdc3710782e8f56e3327fecb61cc2ca1d1f40d590b58ff66404bee498f9b82f296b82920546655a9c94f659bcff965a7f

            • C:\Users\Admin\AppData\Local\Temp\temp.txt

              Filesize

              316B

              MD5

              b2d3ba3efc3a38985b05a8a2782559f5

              SHA1

              a058ce86cb4a971a33fbe8c7c0a31e221179514c

              SHA256

              4ad1be3ebe31d231ce847fa9e9bf0ec0690cc6642f95290ef72710247ae185ba

              SHA512

              663e18e2eeaf12873c0dadb667c0f6c4e86307292b4f8f56b94bfd79966dadd04c93b4eaa91ea99020fdd1e667c3aeb0747215e34d89db2d38b388ebc8b7eeaf

            • C:\Users\Admin\AppData\Local\Temp\temp.txt

              Filesize

              2B

              MD5

              f3b25701fe362ec84616a93a45ce9998

              SHA1

              d62636d8caec13f04e28442a0a6fa1afeb024bbb

              SHA256

              b3d510ef04275ca8e698e5b3cbb0ece3949ef9252f0cdc839e9ee347409a2209

              SHA512

              98c5f56f3de340690c139e58eb7dac111979f0d4dffe9c4b24ff849510f4b6ffa9fd608c0a3de9ac3c9fd2190f0efaf715309061490f9755a9bfdf1c54ca0d84

            • memory/2228-19-0x0000000000400000-0x0000000000416000-memory.dmp

              Filesize

              88KB

            • memory/2228-14-0x0000000000400000-0x0000000000416000-memory.dmp

              Filesize

              88KB

            • memory/2228-18-0x0000000000400000-0x0000000000416000-memory.dmp

              Filesize

              88KB

            • memory/2228-17-0x0000000000400000-0x0000000000416000-memory.dmp

              Filesize

              88KB

            • memory/2228-16-0x0000000000400000-0x0000000000416000-memory.dmp

              Filesize

              88KB

            • memory/2576-80-0x0000000010000000-0x0000000010006000-memory.dmp

              Filesize

              24KB

            • memory/2576-66-0x0000000010000000-0x0000000010007000-memory.dmp

              Filesize

              28KB

            • memory/3056-24-0x0000000000400000-0x0000000000418000-memory.dmp

              Filesize

              96KB

            • memory/3056-21-0x0000000000400000-0x0000000000418000-memory.dmp

              Filesize

              96KB

            • memory/3056-26-0x0000000000400000-0x0000000000418000-memory.dmp

              Filesize

              96KB

            • memory/3056-28-0x0000000000400000-0x0000000000418000-memory.dmp

              Filesize

              96KB

            • memory/3180-34-0x0000000000400000-0x000000000041C000-memory.dmp

              Filesize

              112KB

            • memory/3180-31-0x0000000000400000-0x000000000041C000-memory.dmp

              Filesize

              112KB

            • memory/3180-36-0x0000000000400000-0x000000000041C000-memory.dmp

              Filesize

              112KB

            • memory/3180-35-0x0000000000400000-0x000000000041C000-memory.dmp

              Filesize

              112KB

            • memory/3180-33-0x0000000000400000-0x000000000041C000-memory.dmp

              Filesize

              112KB

            • memory/3460-7-0x0000000000400000-0x000000000041D000-memory.dmp

              Filesize

              116KB

            • memory/3460-11-0x0000000000400000-0x000000000041D000-memory.dmp

              Filesize

              116KB

            • memory/3460-9-0x0000000000400000-0x000000000041D000-memory.dmp

              Filesize

              116KB

            • memory/3460-12-0x0000000000400000-0x000000000041D000-memory.dmp

              Filesize

              116KB

            • memory/3460-10-0x0000000000400000-0x000000000041D000-memory.dmp

              Filesize

              116KB

            • memory/3628-58-0x0000000000400000-0x000000000041A000-memory.dmp

              Filesize

              104KB

            • memory/3628-56-0x0000000000400000-0x000000000041A000-memory.dmp

              Filesize

              104KB

            • memory/3628-55-0x0000000000400000-0x000000000041A000-memory.dmp

              Filesize

              104KB

            • memory/3628-52-0x0000000000400000-0x000000000041A000-memory.dmp

              Filesize

              104KB

            • memory/4076-60-0x0000000000400000-0x0000000000411000-memory.dmp

              Filesize

              68KB

            • memory/4076-67-0x0000000000400000-0x0000000000410544-memory.dmp

              Filesize

              65KB

            • memory/4076-62-0x0000000000400000-0x0000000000411000-memory.dmp

              Filesize

              68KB

            • memory/4076-63-0x0000000000400000-0x0000000000411000-memory.dmp

              Filesize

              68KB

            • memory/4624-41-0x0000000000400000-0x0000000000410000-memory.dmp

              Filesize

              64KB

            • memory/4624-40-0x0000000000400000-0x0000000000410000-memory.dmp

              Filesize

              64KB

            • memory/4624-38-0x0000000000400000-0x0000000000410000-memory.dmp

              Filesize

              64KB

            • memory/4896-47-0x0000000000400000-0x0000000000419000-memory.dmp

              Filesize

              100KB

            • memory/4896-45-0x0000000000400000-0x0000000000419000-memory.dmp

              Filesize

              100KB

            • memory/4896-49-0x0000000000400000-0x0000000000419000-memory.dmp

              Filesize

              100KB

            • memory/4896-43-0x0000000000400000-0x0000000000419000-memory.dmp

              Filesize

              100KB

            • memory/5052-5-0x0000000000400000-0x0000000000424000-memory.dmp

              Filesize

              144KB

            • memory/5052-0-0x0000000000400000-0x0000000000424000-memory.dmp

              Filesize

              144KB

            • memory/5052-4-0x0000000000400000-0x0000000000424000-memory.dmp

              Filesize

              144KB

            • memory/5052-2-0x0000000000400000-0x0000000000424000-memory.dmp

              Filesize

              144KB

            • memory/5108-86-0x00007FF987AE0000-0x00007FF988481000-memory.dmp

              Filesize

              9.6MB

            • memory/5108-87-0x0000000001750000-0x0000000001760000-memory.dmp

              Filesize

              64KB

            • memory/5108-88-0x00007FF987AE0000-0x00007FF988481000-memory.dmp

              Filesize

              9.6MB

            • memory/5108-89-0x000000001C1F0000-0x000000001C6BE000-memory.dmp

              Filesize

              4.8MB

            • memory/5108-90-0x000000001C980000-0x000000001CA1C000-memory.dmp

              Filesize

              624KB

            • memory/5108-92-0x00007FF987AE0000-0x00007FF988481000-memory.dmp

              Filesize

              9.6MB