Analysis

  • max time kernel
    152s
  • max time network
    41s
  • platform
    windows7_x64
  • resource
    win7-20220812-en
  • resource tags

    arch:x64arch:x86image:win7-20220812-enlocale:en-usos:windows7-x64system
  • submitted
    11-10-2022 09:39

General

  • Target

    f1aa898dc111973fbebadeb998fd113e3cb4f51978a4089dbde5b1e26f7c2575.exe

  • Size

    248KB

  • MD5

    2a197f169c78498f30421875375cedd0

  • SHA1

    d8187ad227ae581e06934100e40c8c93b24e43ea

  • SHA256

    f1aa898dc111973fbebadeb998fd113e3cb4f51978a4089dbde5b1e26f7c2575

  • SHA512

    0048df4890cee52b91afa93df1dbc6d64434acd7c654b1143890bb2fb4b0867ee660d92c7b43af27465bf8e885b703054f89d1dc426d2c0f7dbe1e175113e732

  • SSDEEP

    6144:9jM5CElofkFWQPtnRneqAKnvmb7/D269fgwMty0e6ndv0DEQ:9o5CLkFfnRnWKnvmb7/D26qndv0DV

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 52 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\f1aa898dc111973fbebadeb998fd113e3cb4f51978a4089dbde5b1e26f7c2575.exe
    "C:\Users\Admin\AppData\Local\Temp\f1aa898dc111973fbebadeb998fd113e3cb4f51978a4089dbde5b1e26f7c2575.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:1384
    • C:\Users\Admin\ziunid.exe
      "C:\Users\Admin\ziunid.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:964

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

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Downloads

  • C:\Users\Admin\ziunid.exe

    Filesize

    248KB

    MD5

    838713c458d972b9d08fd8bc2844660b

    SHA1

    e5f637c67730020cb54977f6ab73d78038593995

    SHA256

    c3c7c12ab1fddebf47b2a07b61c2253a623d0012d2460b99d541eaa0bffe604d

    SHA512

    afc0b153ebf868fb1231163a0e0ea622d4fede43048fc67c49aba66e46dd11719a1c59bbc720e21f4ca1087742443d18f5b8ea6ea9859ffaf0f0240e7c9f638d

  • C:\Users\Admin\ziunid.exe

    Filesize

    248KB

    MD5

    838713c458d972b9d08fd8bc2844660b

    SHA1

    e5f637c67730020cb54977f6ab73d78038593995

    SHA256

    c3c7c12ab1fddebf47b2a07b61c2253a623d0012d2460b99d541eaa0bffe604d

    SHA512

    afc0b153ebf868fb1231163a0e0ea622d4fede43048fc67c49aba66e46dd11719a1c59bbc720e21f4ca1087742443d18f5b8ea6ea9859ffaf0f0240e7c9f638d

  • \Users\Admin\ziunid.exe

    Filesize

    248KB

    MD5

    838713c458d972b9d08fd8bc2844660b

    SHA1

    e5f637c67730020cb54977f6ab73d78038593995

    SHA256

    c3c7c12ab1fddebf47b2a07b61c2253a623d0012d2460b99d541eaa0bffe604d

    SHA512

    afc0b153ebf868fb1231163a0e0ea622d4fede43048fc67c49aba66e46dd11719a1c59bbc720e21f4ca1087742443d18f5b8ea6ea9859ffaf0f0240e7c9f638d

  • \Users\Admin\ziunid.exe

    Filesize

    248KB

    MD5

    838713c458d972b9d08fd8bc2844660b

    SHA1

    e5f637c67730020cb54977f6ab73d78038593995

    SHA256

    c3c7c12ab1fddebf47b2a07b61c2253a623d0012d2460b99d541eaa0bffe604d

    SHA512

    afc0b153ebf868fb1231163a0e0ea622d4fede43048fc67c49aba66e46dd11719a1c59bbc720e21f4ca1087742443d18f5b8ea6ea9859ffaf0f0240e7c9f638d

  • memory/964-59-0x0000000000000000-mapping.dmp

  • memory/1384-56-0x0000000076701000-0x0000000076703000-memory.dmp

    Filesize

    8KB