Analysis

  • max time kernel
    173s
  • max time network
    211s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20221111-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20221111-enlocale:en-usos:windows10-2004-x64system
  • submitted
    23-11-2022 10:48

General

  • Target

    c71157de0c15f21e77fd5f4457bce452214218b90c039fc7598753c60b24012c.exe

  • Size

    114KB

  • MD5

    3922c6f0857f60d00e39c50a934189f3

  • SHA1

    b8aac0af2dba6c0b46c7433eb1d3e3d09fb8e9af

  • SHA256

    c71157de0c15f21e77fd5f4457bce452214218b90c039fc7598753c60b24012c

  • SHA512

    6a705ab2134706d2ec0acd5b14da0158d305805ffda78407d821c3479e8e96fa434cf3643d989448be5dfcf9ab7f4e04537c76c4e7d58bca6d82d4cd37a8a015

  • SSDEEP

    3072:Lt9izXjZqKehMDPfGzOKmNAthKFNHmJbU2out4:Lt92X9qKeYHGMNAyFeU2oS4

Score
9/10
upx

Malware Config

Signatures

  • ACProtect 1.3x - 1.4x DLL software 2 IoCs

    Detects file using ACProtect software.

  • UPX packed file 4 IoCs

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

  • Loads dropped DLL 2 IoCs
  • Drops file in System32 directory 1 IoCs
  • Drops file in Windows directory 2 IoCs
  • Modifies registry class 64 IoCs
  • Suspicious use of SetWindowsHookEx 1 IoCs
  • Suspicious use of WriteProcessMemory 6 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\c71157de0c15f21e77fd5f4457bce452214218b90c039fc7598753c60b24012c.exe
    "C:\Users\Admin\AppData\Local\Temp\c71157de0c15f21e77fd5f4457bce452214218b90c039fc7598753c60b24012c.exe"
    1⤵
    • Drops file in System32 directory
    • Drops file in Windows directory
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:2520
    • C:\Windows\SysWOW64\regsvr32.exe
      regsvr32 /s "C:\Windows\system32\mswinsck.ocx"
      2⤵
      • Loads dropped DLL
      • Modifies registry class
      PID:2864
    • C:\Windows\SysWOW64\regsvr32.exe
      regsvr32 /s "C:\Users\Admin\AppData\Local\Temp\~DFA486.tmp"
      2⤵
      • Loads dropped DLL
      • Modifies registry class
      PID:4068

Network

MITRE ATT&CK Matrix

Replay Monitor

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Downloads

  • C:\Users\Admin\AppData\Local\Temp\~DFA486.tmp

    Filesize

    48KB

    MD5

    73e40295ab0e0c740b114b9251042b87

    SHA1

    e057bc7de709e34e9ae666fdb713708f038af819

    SHA256

    1c208796cd09557fe2d0a375f30a2feb49b45af8661798ab0046883cd68d54fd

    SHA512

    883171d6108e1d2a62437a2a37b84b9d33b22737eaead2355bdeccf028e0fbb5491e45087f7c397f58adf4837e43fd3a410c47d78426bf90669d71025e4a6b98

  • C:\Users\Admin\AppData\Local\Temp\~DFA486.tmp

    Filesize

    48KB

    MD5

    73e40295ab0e0c740b114b9251042b87

    SHA1

    e057bc7de709e34e9ae666fdb713708f038af819

    SHA256

    1c208796cd09557fe2d0a375f30a2feb49b45af8661798ab0046883cd68d54fd

    SHA512

    883171d6108e1d2a62437a2a37b84b9d33b22737eaead2355bdeccf028e0fbb5491e45087f7c397f58adf4837e43fd3a410c47d78426bf90669d71025e4a6b98

  • C:\Windows\SysWOW64\mswinsck.ocx

    Filesize

    105KB

    MD5

    9484c04258830aa3c2f2a70eb041414c

    SHA1

    b242a4fb0e9dcf14cb51dc36027baff9a79cb823

    SHA256

    bf7e47c16d7e1c0e88534f4ef95e09d0fd821ed1a06b0d95a389b35364b63ff5

    SHA512

    9d0e9f0d88594746ba41ea4a61a53498619eda596e12d8ec37d01cfe8ceb08be13e3727c83d630a6d9e6d03066f62444bb94ea5a0d2ed9d21a270e612db532a0

  • C:\Windows\SysWOW64\mswinsck.ocx

    Filesize

    105KB

    MD5

    9484c04258830aa3c2f2a70eb041414c

    SHA1

    b242a4fb0e9dcf14cb51dc36027baff9a79cb823

    SHA256

    bf7e47c16d7e1c0e88534f4ef95e09d0fd821ed1a06b0d95a389b35364b63ff5

    SHA512

    9d0e9f0d88594746ba41ea4a61a53498619eda596e12d8ec37d01cfe8ceb08be13e3727c83d630a6d9e6d03066f62444bb94ea5a0d2ed9d21a270e612db532a0

  • memory/2520-132-0x0000000000400000-0x000000000043C000-memory.dmp

    Filesize

    240KB

  • memory/2520-138-0x0000000000400000-0x000000000043C000-memory.dmp

    Filesize

    240KB

  • memory/2864-135-0x0000000000000000-mapping.dmp

  • memory/4068-139-0x0000000000000000-mapping.dmp