Analysis

  • max time kernel
    151s
  • max time network
    42s
  • platform
    windows7_x64
  • resource
    win7-20220812-en
  • resource tags

    arch:x64arch:x86image:win7-20220812-enlocale:en-usos:windows7-x64system
  • submitted
    01-12-2022 23:06

General

  • Target

    95dd6a85938d8db0010951e4c0204c30cc1ae8639f8356c411015c97aa7f78f7.exe

  • Size

    240KB

  • MD5

    dd408992a738f0f7638dd7dff03f1e60

  • SHA1

    7004ee2590fd64e5c13ac91fbafc0d6448699e74

  • SHA256

    95dd6a85938d8db0010951e4c0204c30cc1ae8639f8356c411015c97aa7f78f7

  • SHA512

    f428adcfc40c11e86e20a63e0d9c756e63575448cfdd596e28fe156802303290a26b342c08ce2082830cec8e67e3f2129328bb042bad55063cf54aac8d0a4e2b

  • SSDEEP

    6144:r+3dwqsNTNEXGlQR58EqxF6snji81RUinKq3aEESliDIL:rsdQKjeaEEpI

Score
10/10

Malware Config

Signatures

  • Modifies visiblity of hidden/system files in Explorer 2 TTPs 2 IoCs
  • Executes dropped EXE 1 IoCs
  • Loads dropped DLL 2 IoCs
  • Adds Run key to start application 2 TTPs 29 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • Suspicious behavior: EnumeratesProcesses 64 IoCs
  • Suspicious use of SetWindowsHookEx 2 IoCs
  • Suspicious use of WriteProcessMemory 4 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\95dd6a85938d8db0010951e4c0204c30cc1ae8639f8356c411015c97aa7f78f7.exe
    "C:\Users\Admin\AppData\Local\Temp\95dd6a85938d8db0010951e4c0204c30cc1ae8639f8356c411015c97aa7f78f7.exe"
    1⤵
    • Modifies visiblity of hidden/system files in Explorer
    • Loads dropped DLL
    • Adds Run key to start application
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:1976
    • C:\Users\Admin\hoayeu.exe
      "C:\Users\Admin\hoayeu.exe"
      2⤵
      • Modifies visiblity of hidden/system files in Explorer
      • Executes dropped EXE
      • Adds Run key to start application
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of SetWindowsHookEx
      PID:1684

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

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Downloads

  • C:\Users\Admin\hoayeu.exe

    Filesize

    240KB

    MD5

    856a704d2d7db3e13b9a18122a0b5a14

    SHA1

    4ff6f2d335b3813018e433732ecf83658701e36c

    SHA256

    ec3d6b9adc31a551853e5e151bcfb943c402daedbf9bc633ae489c9353dc08d4

    SHA512

    e11f5186e768dbda3bd924bdf4fd74521a4976eea7145a5ebdb9d3e177fa6239726266e4a2dba24b54490880de8a05de8c057292f0ea87b821932b879837a3dd

  • C:\Users\Admin\hoayeu.exe

    Filesize

    240KB

    MD5

    856a704d2d7db3e13b9a18122a0b5a14

    SHA1

    4ff6f2d335b3813018e433732ecf83658701e36c

    SHA256

    ec3d6b9adc31a551853e5e151bcfb943c402daedbf9bc633ae489c9353dc08d4

    SHA512

    e11f5186e768dbda3bd924bdf4fd74521a4976eea7145a5ebdb9d3e177fa6239726266e4a2dba24b54490880de8a05de8c057292f0ea87b821932b879837a3dd

  • \Users\Admin\hoayeu.exe

    Filesize

    240KB

    MD5

    856a704d2d7db3e13b9a18122a0b5a14

    SHA1

    4ff6f2d335b3813018e433732ecf83658701e36c

    SHA256

    ec3d6b9adc31a551853e5e151bcfb943c402daedbf9bc633ae489c9353dc08d4

    SHA512

    e11f5186e768dbda3bd924bdf4fd74521a4976eea7145a5ebdb9d3e177fa6239726266e4a2dba24b54490880de8a05de8c057292f0ea87b821932b879837a3dd

  • \Users\Admin\hoayeu.exe

    Filesize

    240KB

    MD5

    856a704d2d7db3e13b9a18122a0b5a14

    SHA1

    4ff6f2d335b3813018e433732ecf83658701e36c

    SHA256

    ec3d6b9adc31a551853e5e151bcfb943c402daedbf9bc633ae489c9353dc08d4

    SHA512

    e11f5186e768dbda3bd924bdf4fd74521a4976eea7145a5ebdb9d3e177fa6239726266e4a2dba24b54490880de8a05de8c057292f0ea87b821932b879837a3dd

  • memory/1976-56-0x00000000754E1000-0x00000000754E3000-memory.dmp

    Filesize

    8KB