Analysis

  • max time kernel
    154s
  • max time network
    159s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20220812-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20220812-enlocale:en-usos:windows10-2004-x64system
  • submitted
    30/10/2022, 00:06

General

  • Target

    218ec18bafd5b37867ebfefb9f64a895acccf4d644fb145cbb13e7faf3997df9.exe

  • Size

    100KB

  • MD5

    9323ee8b5542f33fe64aed57a025c16e

  • SHA1

    0dc7407687f5711658d1df20a2e79005b8140c67

  • SHA256

    218ec18bafd5b37867ebfefb9f64a895acccf4d644fb145cbb13e7faf3997df9

  • SHA512

    0d215cb1ff96e573da830cabd618e4c7005bf4d700cf66af20b825fecf977b014f120245a058d05d8923297eed5eca3117fa9951352c365584bf1331439ab59e

  • SSDEEP

    1536:Zt28iAuismywsl96Lw0wF9MGM9K/oKtNgCMbA1bL3N+NM5UfONIjnZR+:+D6/KLOM5FCnb+

Score
10/10

Malware Config

Signatures

  • Modifies visiblity of hidden/system files in Explorer 2 TTPs 2 IoCs
  • Executes dropped EXE 1 IoCs
  • Checks computer location settings 2 TTPs 1 IoCs

    Looks up country code configured in the registry, likely geofence.

  • Adds Run key to start application 2 TTPs 53 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 3 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\218ec18bafd5b37867ebfefb9f64a895acccf4d644fb145cbb13e7faf3997df9.exe
    "C:\Users\Admin\AppData\Local\Temp\218ec18bafd5b37867ebfefb9f64a895acccf4d644fb145cbb13e7faf3997df9.exe"
    1⤵
    • Modifies visiblity of hidden/system files in Explorer
    • Checks computer location settings
    • Adds Run key to start application
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:4524
    • C:\Users\Admin\peusee.exe
      "C:\Users\Admin\peusee.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:4128

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

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Downloads

  • C:\Users\Admin\peusee.exe

    Filesize

    100KB

    MD5

    f4f4afb79d8e1b46bcaf2176676af5a3

    SHA1

    e705f19bf709d37d04497dd00dc23972f85f5aa0

    SHA256

    2b112d77c576e13f628d0218e5765513ba2808812ec27a7139128ee8906f25d7

    SHA512

    48cac01306bf7ba2ba8db58f373ca37bc66dadce039cd42fcd2798bd1b90d6bf8409434cdac55d76cb71d45df440f47a584152a937d1e2814988dad3d2eef5d2

  • C:\Users\Admin\peusee.exe

    Filesize

    100KB

    MD5

    f4f4afb79d8e1b46bcaf2176676af5a3

    SHA1

    e705f19bf709d37d04497dd00dc23972f85f5aa0

    SHA256

    2b112d77c576e13f628d0218e5765513ba2808812ec27a7139128ee8906f25d7

    SHA512

    48cac01306bf7ba2ba8db58f373ca37bc66dadce039cd42fcd2798bd1b90d6bf8409434cdac55d76cb71d45df440f47a584152a937d1e2814988dad3d2eef5d2