Analysis

  • max time kernel
    90s
  • max time network
    150s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20231215-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20231215-enlocale:en-usos:windows10-2004-x64system
  • submitted
    13/02/2024, 10:01

General

  • Target

    992216b5af8c928d1e2cf4b1c94595a2.exe

  • Size

    157KB

  • MD5

    992216b5af8c928d1e2cf4b1c94595a2

  • SHA1

    aa81a072b639be776170cb28f0d4c5f826c8a3dd

  • SHA256

    8ca085425f4a95646ed40fafe6ddf7e6a9d83306f5ce94fdfdf612ff0e1cdc29

  • SHA512

    3c8138744fe6244ed12de058583ad2935b92dccc9ca66a075c093d17ee08d7fce6451d5b7294850c5707daaaa94445324ce618bb03150309b77ff9ba1ec50c08

  • SSDEEP

    3072:UtzFZdNMB6+7PmCuW5HbfyfC/lSIJ2UbGsSAIySL6zuk:KBizqWZ6fC9SIAUb/q3L6q

Score
7/10
upx

Malware Config

Signatures

  • UPX packed file 2 IoCs

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

  • Suspicious use of SetThreadContext 1 IoCs
  • Modifies Internet Explorer settings 1 TTPs 32 IoCs
  • Suspicious behavior: EnumeratesProcesses 3 IoCs
  • Suspicious use of AdjustPrivilegeToken 2 IoCs
  • Suspicious use of FindShellTrayWindow 1 IoCs
  • Suspicious use of SetWindowsHookEx 7 IoCs
  • Suspicious use of WriteProcessMemory 19 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\992216b5af8c928d1e2cf4b1c94595a2.exe
    "C:\Users\Admin\AppData\Local\Temp\992216b5af8c928d1e2cf4b1c94595a2.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:4148
    • C:\Users\Admin\AppData\Local\Temp\992216b5af8c928d1e2cf4b1c94595a2.exe
      "C:\Users\Admin\AppData\Local\Temp\992216b5af8c928d1e2cf4b1c94595a2.exe"
      2⤵
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of WriteProcessMemory
      PID:1644
      • C:\Program Files (x86)\Internet Explorer\iexplore.exe
        "C:\Program Files (x86)\Internet Explorer\iexplore.exe"
        3⤵
        • Suspicious use of WriteProcessMemory
        PID:216
        • C:\Program Files\Internet Explorer\IEXPLORE.EXE
          "C:\Program Files\Internet Explorer\IEXPLORE.EXE"
          4⤵
          • Modifies Internet Explorer settings
          • Suspicious use of FindShellTrayWindow
          • Suspicious use of SetWindowsHookEx
          • Suspicious use of WriteProcessMemory
          PID:5068
          • C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE
            "C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE" SCODEF:5068 CREDAT:17410 /prefetch:2
            5⤵
            • Modifies Internet Explorer settings
            • Suspicious use of AdjustPrivilegeToken
            • Suspicious use of SetWindowsHookEx
            PID:984

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\7423F88C7F265F0DEFC08EA88C3BDE45_AA1E8580D4EBC816148CE81268683776

    Filesize

    471B

    MD5

    34a715b7eff98727a79196c12548166d

    SHA1

    d5e289b29da4499777553a8a18000554d3664059

    SHA256

    6b41a389423de69980de3d667fca2f72e5ce6224dcea62d765862d07e76f9f01

    SHA512

    62de58bac2f19abcfd8503f2b0abf64872a6354c140e020975d40fda1c975ed3ccc9f05a58ab45663c3eee52dbb5d6974aca6df78f7e60e780f5320622516860

  • C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\7423F88C7F265F0DEFC08EA88C3BDE45_AA1E8580D4EBC816148CE81268683776

    Filesize

    404B

    MD5

    6c0cde026eb8ed2b5785f7ceacabbc59

    SHA1

    1233a9c81bee217a8264fd124cd4ca4d77bd7b74

    SHA256

    e08c81297277702b9a5d067980bcfc7e85280a5ff193845a2ce6c854154fc48a

    SHA512

    12b8bf4d7e714a86578c82a5ffeff0cb8689618d2563985f5f9e05c3cbc9e25390d9394b4bd035d9dfd5315e2bd899af853427f59e9ba35ae3d50e3446aeb0bc

  • C:\Users\Admin\AppData\Local\Microsoft\Internet Explorer\VersionManager\verD83F.tmp

    Filesize

    15KB

    MD5

    1a545d0052b581fbb2ab4c52133846bc

    SHA1

    62f3266a9b9925cd6d98658b92adec673cbe3dd3

    SHA256

    557472aeaebf4c1c800b9df14c190f66d62cbabb011300dbedde2dcddd27a6c1

    SHA512

    bd326d111589d87cd6d019378ec725ac9ac7ad4c36f22453941f7d52f90b747ede4783a83dfff6cae1b3bb46690ad49cffa77f2afda019b22863ac485b406e8d

  • C:\Users\Admin\AppData\Local\Microsoft\Windows\INetCache\IE\ISEWAASI\suggestions[1].en-US

    Filesize

    17KB

    MD5

    5a34cb996293fde2cb7a4ac89587393a

    SHA1

    3c96c993500690d1a77873cd62bc639b3a10653f

    SHA256

    c6a5377cbc07eece33790cfc70572e12c7a48ad8296be25c0cc805a1f384dbad

    SHA512

    e1b7d0107733f81937415104e70f68b1be6fd0ca65dccf4ff72637943d44278d3a77f704aedff59d2dbc0d56a609b2590c8ec0dd6bc48ab30f1dad0c07a0a3ee

  • memory/1644-3-0x0000000000400000-0x000000000044E000-memory.dmp

    Filesize

    312KB

  • memory/1644-6-0x0000000000400000-0x000000000044E000-memory.dmp

    Filesize

    312KB

  • memory/1644-7-0x0000000000400000-0x000000000044E000-memory.dmp

    Filesize

    312KB

  • memory/1644-8-0x00000000021C0000-0x000000000220E000-memory.dmp

    Filesize

    312KB

  • memory/1644-10-0x0000000000400000-0x000000000044E000-memory.dmp

    Filesize

    312KB

  • memory/4148-0-0x0000000000400000-0x0000000000455000-memory.dmp

    Filesize

    340KB

  • memory/4148-5-0x0000000000400000-0x0000000000455000-memory.dmp

    Filesize

    340KB