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Analysis

  • max time kernel
    140s
  • max time network
    120s
  • platform
    windows7_x64
  • resource
    win7-20231215-en
  • resource tags

    arch:x64arch:x86image:win7-20231215-enlocale:en-usos:windows7-x64system
  • submitted
    03/01/2024, 21:08

General

  • Target

    fengbaoyy-v2010.exe

  • Size

    5.0MB

  • MD5

    5b50b43e20d40486d4365065dd2a640d

  • SHA1

    6eb64f984cabefe875a0c2be72033d9f74a201b1

  • SHA256

    dce85a9ebf21db2f3344f7c7c1becc7eda01585643d34f2d354b4b76e3764e75

  • SHA512

    d0c249eef1c79fd5f90b00adcaa25a84bfd601ec313cf4b1e212effba27dc00f1ceb81be42eb8b3f0c3f937eb7ca7ab3db496660ebfdb77ee91adc1e65fc3c9d

  • SSDEEP

    98304:1Qiteqekqm60LB0nDjS46PjShgSRsma3saD7jCcJPX5jzxY:19ZBqm60F+K4lH1ifDaa9zxY

Score
7/10

Malware Config

Signatures

  • Executes dropped EXE 1 IoCs
  • Loads dropped DLL 3 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • Suspicious behavior: GetForegroundWindowSpam 1 IoCs
  • Suspicious use of WriteProcessMemory 4 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\fengbaoyy-v2010.exe
    "C:\Users\Admin\AppData\Local\Temp\fengbaoyy-v2010.exe"
    1⤵
    • Loads dropped DLL
    • Suspicious use of WriteProcessMemory
    PID:3052
    • C:\Users\Admin\AppData\Local\Temp\is-T12K6.tmp\fengbaoyy-v2010.tmp
      "C:\Users\Admin\AppData\Local\Temp\is-T12K6.tmp\fengbaoyy-v2010.tmp" /SL5="$3009A,4983639,51712,C:\Users\Admin\AppData\Local\Temp\fengbaoyy-v2010.exe"
      2⤵
      • Executes dropped EXE
      • Loads dropped DLL
      • Suspicious behavior: GetForegroundWindowSpam
      PID:1912

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • \Users\Admin\AppData\Local\Temp\is-LCPA9.tmp\_isetup\_shfoldr.dll

    Filesize

    22KB

    MD5

    92dc6ef532fbb4a5c3201469a5b5eb63

    SHA1

    3e89ff837147c16b4e41c30d6c796374e0b8e62c

    SHA256

    9884e9d1b4f8a873ccbd81f8ad0ae257776d2348d027d811a56475e028360d87

    SHA512

    9908e573921d5dbc3454a1c0a6c969ab8a81cc2e8b5385391d46b1a738fb06a76aa3282e0e58d0d2ffa6f27c85668cd5178e1500b8a39b1bbae04366ae6a86d3

  • \Users\Admin\AppData\Local\Temp\is-T12K6.tmp\fengbaoyy-v2010.tmp

    Filesize

    693KB

    MD5

    18d6ade571c3f9a0508f33855fef94f8

    SHA1

    ec46254d3aa46351bc73ad7e58b95dfbe39059ef

    SHA256

    59f91573512fb206bee07df1a5c60c084dd9dfd566802ca0396b3ea8f19b6650

    SHA512

    786d769241bc9a5bafff2b70d1a4935e293b7dec79c2be1d27f75416907172e9bdbd300159b572bdb97a8f0df3b9b1a053b3771144f1d793c9bed214aeccc51c

  • memory/1912-9-0x0000000000230000-0x0000000000231000-memory.dmp

    Filesize

    4KB

  • memory/1912-18-0x0000000000400000-0x00000000004BE000-memory.dmp

    Filesize

    760KB

  • memory/1912-21-0x0000000000230000-0x0000000000231000-memory.dmp

    Filesize

    4KB

  • memory/3052-0-0x0000000000400000-0x0000000000414000-memory.dmp

    Filesize

    80KB

  • memory/3052-2-0x0000000000400000-0x0000000000414000-memory.dmp

    Filesize

    80KB

  • memory/3052-17-0x0000000000400000-0x0000000000414000-memory.dmp

    Filesize

    80KB