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Analysis

  • max time kernel
    146s
  • max time network
    149s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20231215-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20231215-enlocale:en-usos:windows10-2004-x64system
  • submitted
    26/12/2023, 03:42

General

  • Target

    101c8b2ee5d93de3eb0f2cd388733ef7e42cb5d18039bfde623450c6ef689c96.exe

  • Size

    1.5MB

  • MD5

    507c5920642e0ecb41d60a8cd835d2a5

  • SHA1

    c27aac57d049be8a67b88caaf2c61c615c22c012

  • SHA256

    101c8b2ee5d93de3eb0f2cd388733ef7e42cb5d18039bfde623450c6ef689c96

  • SHA512

    f4858b436d58ab41ff87a0d7ab10cfff00ee4823af289ee44db51e230ec9788cedf9afa1f88124d5eea9ccb146a9c322e27a34c6a474900660b71a39c21c2e2c

  • SSDEEP

    49152:fElteIWkfBjbQkX3nzraEXuWUe5iLTIVY7acvAM:cAkfpQkHnzr7XuVe5iHsY7bY

Malware Config

Signatures

  • Executes dropped EXE 1 IoCs
  • Loads dropped DLL 1 IoCs
  • UPX packed file 38 IoCs

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

  • Writes to the Master Boot Record (MBR) 1 TTPs 1 IoCs

    Bootkits write to the MBR to gain persistence at a level below the operating system.

  • Suspicious behavior: EnumeratesProcesses 4 IoCs
  • Suspicious use of SetWindowsHookEx 7 IoCs
  • Suspicious use of WriteProcessMemory 3 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\101c8b2ee5d93de3eb0f2cd388733ef7e42cb5d18039bfde623450c6ef689c96.exe
    "C:\Users\Admin\AppData\Local\Temp\101c8b2ee5d93de3eb0f2cd388733ef7e42cb5d18039bfde623450c6ef689c96.exe"
    1⤵
    • Loads dropped DLL
    • Writes to the Master Boot Record (MBR)
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:3404
    • C:\Users\Admin\AppData\Local\Temp\data\Bugreport-393712.dll
      C:\Users\Admin\AppData\Local\Temp\data\Bugreport-393712.dll Bugreport %E9%AA%8C%E8%AF%81%E6%B6%88%20
      2⤵
      • Executes dropped EXE
      • Suspicious use of SetWindowsHookEx
      PID:716

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\Users\Admin\AppData\Local\Temp\data\Bugreport-393712.dll

    Filesize

    168KB

    MD5

    f5d691ae882163ada8de6d6dda12d399

    SHA1

    03154691b92361cfc7ab29b11abaa59b6553c90b

    SHA256

    c2f8336c7126f20d61db9632bca9070389df47a52a5da88886a72e2e6e4f86c8

    SHA512

    9ce9f85328d5e8d7812e0b95b2ca42c3879743e7542352b922b3ef33f02e8f5fa05a35d2de623ffce559489d04f3740fba428c6369da302360779ae2b85772b0

  • C:\Users\Admin\AppData\Local\Temp\data\Bugreport.ini

    Filesize

    80B

    MD5

    3bab47b3b38d380a1cce241a5570a625

    SHA1

    4336d07ccd81dcbc165e63484251a2a16b16c7a2

    SHA256

    0667398030b92a6ee37d86a2571bb8b2140635d1c5566c7347df1aed1730b7b5

    SHA512

    3bc5fb051a553b6ae194278369ce457067cf2332fbd59a8951e7af74ee0312b5a867a61eb79e9e252fbe8484355e8b861208649a5a80a5b542d5e4ae3680daf5

  • C:\Users\Admin\AppData\Local\Temp\data\Bugreport_error.ini

    Filesize

    105B

    MD5

    a63bbb832a45df8198ac7939c03308de

    SHA1

    087a09337d720ee68d0e85bea4285fcc3f4f0d0e

    SHA256

    1c43db82030e7e9c4eb69c0ec4e8c32dc63de21ed577218ea50708459d6b274c

    SHA512

    50afcca345a0dc17b3062befe204d02ac92f0a2dda821b4a0d60dcf13f8c525aa9b47e26f51d69c6999d05ec6dd60e4c954480bec285d3cbe9e503de2ebdf605

  • C:\Users\Admin\AppData\Local\Temp\iext1.fnr.bbs.125.la

    Filesize

    724KB

    MD5

    a96fbd5e66b31f3d816ad80f623e9bd9

    SHA1

    4eda42260bd3eb930cd4eafd7d15c6af367bcf18

    SHA256

    2e67ba278646fde95bb614dcbcc7da1c6bf7976c918b2c6ad3d78640000326f3

    SHA512

    43921107313775ea14b1bd33cf758c13798f4fa1c1074771c1c96b1b43b98f3416d249ed8ab3171383772d0054829c3754a91b5e94135f1df6d67a76f599c80e

  • memory/716-92-0x0000000000400000-0x0000000000439000-memory.dmp

    Filesize

    228KB

  • memory/716-75-0x0000000000400000-0x0000000000439000-memory.dmp

    Filesize

    228KB

  • memory/3404-35-0x0000000010000000-0x000000001003F000-memory.dmp

    Filesize

    252KB

  • memory/3404-56-0x0000000010000000-0x000000001003F000-memory.dmp

    Filesize

    252KB

  • memory/3404-18-0x0000000010000000-0x000000001003F000-memory.dmp

    Filesize

    252KB

  • memory/3404-20-0x0000000010000000-0x000000001003F000-memory.dmp

    Filesize

    252KB

  • memory/3404-24-0x0000000010000000-0x000000001003F000-memory.dmp

    Filesize

    252KB

  • memory/3404-22-0x0000000010000000-0x000000001003F000-memory.dmp

    Filesize

    252KB

  • memory/3404-28-0x0000000010000000-0x000000001003F000-memory.dmp

    Filesize

    252KB

  • memory/3404-26-0x0000000010000000-0x000000001003F000-memory.dmp

    Filesize

    252KB

  • memory/3404-31-0x0000000010000000-0x000000001003F000-memory.dmp

    Filesize

    252KB

  • memory/3404-33-0x0000000010000000-0x000000001003F000-memory.dmp

    Filesize

    252KB

  • memory/3404-41-0x0000000010000000-0x000000001003F000-memory.dmp

    Filesize

    252KB

  • memory/3404-39-0x0000000010000000-0x000000001003F000-memory.dmp

    Filesize

    252KB

  • memory/3404-46-0x0000000000400000-0x000000000082B000-memory.dmp

    Filesize

    4.2MB

  • memory/3404-44-0x0000000010000000-0x000000001003F000-memory.dmp

    Filesize

    252KB

  • memory/3404-37-0x0000000010000000-0x000000001003F000-memory.dmp

    Filesize

    252KB

  • memory/3404-48-0x0000000010000000-0x000000001003F000-memory.dmp

    Filesize

    252KB

  • memory/3404-0-0x0000000000400000-0x000000000082B000-memory.dmp

    Filesize

    4.2MB

  • memory/3404-54-0x0000000010000000-0x000000001003F000-memory.dmp

    Filesize

    252KB

  • memory/3404-57-0x0000000002CA0000-0x0000000002D12000-memory.dmp

    Filesize

    456KB

  • memory/3404-16-0x0000000010000000-0x000000001003F000-memory.dmp

    Filesize

    252KB

  • memory/3404-55-0x0000000002CA0000-0x0000000002D12000-memory.dmp

    Filesize

    456KB

  • memory/3404-52-0x0000000010000000-0x000000001003F000-memory.dmp

    Filesize

    252KB

  • memory/3404-50-0x0000000010000000-0x000000001003F000-memory.dmp

    Filesize

    252KB

  • memory/3404-60-0x0000000000400000-0x000000000082B000-memory.dmp

    Filesize

    4.2MB

  • memory/3404-61-0x0000000010000000-0x000000001003F000-memory.dmp

    Filesize

    252KB

  • memory/3404-62-0x0000000000400000-0x000000000082B000-memory.dmp

    Filesize

    4.2MB

  • memory/3404-63-0x0000000002CA0000-0x0000000002D12000-memory.dmp

    Filesize

    456KB

  • memory/3404-64-0x0000000002C90000-0x0000000002C91000-memory.dmp

    Filesize

    4KB

  • memory/3404-65-0x0000000002C80000-0x0000000002C81000-memory.dmp

    Filesize

    4KB

  • memory/3404-14-0x0000000010000000-0x000000001003F000-memory.dmp

    Filesize

    252KB

  • memory/3404-73-0x0000000000400000-0x000000000082B000-memory.dmp

    Filesize

    4.2MB

  • memory/3404-12-0x0000000010000000-0x000000001003F000-memory.dmp

    Filesize

    252KB

  • memory/3404-9-0x0000000010000000-0x000000001003F000-memory.dmp

    Filesize

    252KB

  • memory/3404-8-0x0000000010000000-0x000000001003F000-memory.dmp

    Filesize

    252KB

  • memory/3404-7-0x0000000010000000-0x000000001003F000-memory.dmp

    Filesize

    252KB

  • memory/3404-98-0x0000000000400000-0x000000000082B000-memory.dmp

    Filesize

    4.2MB

  • memory/3404-107-0x0000000000400000-0x000000000082B000-memory.dmp

    Filesize

    4.2MB

  • memory/3404-114-0x0000000000400000-0x000000000082B000-memory.dmp

    Filesize

    4.2MB

  • memory/3404-121-0x0000000000400000-0x000000000082B000-memory.dmp

    Filesize

    4.2MB

  • memory/3404-133-0x0000000000400000-0x000000000082B000-memory.dmp

    Filesize

    4.2MB