Analysis

  • max time kernel
    138s
  • max time network
    154s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20221111-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20221111-enlocale:en-usos:windows10-2004-x64system
  • submitted
    27-11-2022 06:44

General

  • Target

    91vpn(3.5.4)/91vpn/91vpn.exe

  • Size

    307KB

  • MD5

    3896a09770a42da96db5fbf530903203

  • SHA1

    3004cce7e3ca6692dbfb61f40560734c492b6f9b

  • SHA256

    bf9001e1c780d0c0f650c4481a3750c30132b8d932c511215e07c631c6cdc658

  • SHA512

    9840a2075ea8619b34bbce12224b747fd5789e43796a43d5c82ecddb42a54912d7d4cebd6c3a595d09b23530d6cccd0287f12eb0637d15cb7135d228d6aa1a5a

  • SSDEEP

    6144:rzmKnGDcrNkB5HG9QYQM87p+CCZazquuq54t5XPg0gQAAitfGFOyCuXwL5ceeLec:3hnXeLHJYQNiZa2uuq54t5Xo0gQAAity

Score
8/10
upx

Malware Config

Signatures

  • UPX packed file 2 IoCs

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

  • Loads dropped DLL 1 IoCs
  • Suspicious use of SetWindowsHookEx 3 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\91vpn(3.5.4)\91vpn\91vpn.exe
    "C:\Users\Admin\AppData\Local\Temp\91vpn(3.5.4)\91vpn\91vpn.exe"
    1⤵
    • Loads dropped DLL
    • Suspicious use of SetWindowsHookEx
    PID:3444

Network

MITRE ATT&CK Matrix

Replay Monitor

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Downloads

  • C:\Users\Admin\AppData\Local\Temp\82D1.tmp

    Filesize

    887KB

    MD5

    e1deb8ac5a39ef8d80950908ac6a3cd7

    SHA1

    9b9a33c590bb280669dd9dc9eb3132a834bf1f3e

    SHA256

    68114dee6a5c4cedac279cebd22271fccd8678f8f01a4d2fa1a6cdfb4bb3f977

    SHA512

    da7e8c90d3b354bf778152fafd64ff3c87f41681eea4816c09ecf25e81ea638469bdbb17a5ce64c7e9d9f20b9cb7c298fe2f8b37ff26e476a1277e576ee10dc3

  • memory/3444-133-0x0000000010000000-0x00000000100BC000-memory.dmp

    Filesize

    752KB

  • memory/3444-134-0x0000000010000000-0x00000000100BC000-memory.dmp

    Filesize

    752KB