Overview

overview

10

Static

static

sample.exe

windows7-x64

10

sample.exe

windows10-2004-x64

8

Analysis

  • max time kernel
    91s
  • max time network
    156s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20220901-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20220901-enlocale:en-usos:windows10-2004-x64system
  • submitted
    29-11-2022 18:05

Sharing

Copy URL
Twitter E-mail
Report Analysis Logs

General

  • Target

    sample.exe

  • Size

    337KB

  • MD5

    cd5bc22cd00975467ba470a2aad9e3be

  • SHA1

    c59f130dd579e3f7d31a4d8d0f3fa5f269b332f3

  • SHA256

    06013460d92bfef5f63085d1d10afb87a417678642b199cdae282395d1b09261

  • SHA512

    887e12492751f0bbded9bd665c39a5a28e31d77bc2de0c8ade73b63173352d6e9bc8f9575d966772e39c4b1622aa4d9966e7f873b405eca8f4b2c515ab9b7ac9

  • SSDEEP

    6144:+z+92mhAMJ/cPl3ihLcDkcK7TSH6eby0gePbS1hNPnHt6Q+hTnO3pE:+K2mhAMJ/cPlPgcK6bb6KbCL6phi3C

Score
8/10

Malware Config

Signatures

  • Executes dropped EXE 1 IoCs
  • Checks computer location settings 2 TTPs 1 IoCs

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

  • Enumerates physical storage devices 1 TTPs

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

  • Suspicious behavior: EnumeratesProcesses 2 IoCs
  • Suspicious use of FindShellTrayWindow 1 IoCs
  • Suspicious use of WriteProcessMemory 3 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\sample.exe
    "C:\Users\Admin\AppData\Local\Temp\sample.exe"
    1⤵
    • Checks computer location settings
    • Suspicious use of WriteProcessMemory
    PID:2452
    • C:\Users\Admin\AppData\Local\Temp\RarSFX0\start.exe
      "C:\Users\Admin\AppData\Local\Temp\RarSFX0\start.exe"
      2⤵
      • Executes dropped EXE
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of FindShellTrayWindow
      PID:4836

Network

MITRE ATT&CK Matrix ATT&CK v6

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

Query Registry

1
T1012

System Information Discovery

2
T1082

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

Replay Monitor

Loading Replay Monitor...

Downloads

  • C:\Users\Admin\AppData\Local\Temp\RarSFX0\start.exe
    Filesize

    41KB

    MD5

    2b736720e2c2674b8037a03266574048

    SHA1

    b0fccf6893442467f1c8a7f05783d1f1ea27fa74

    SHA256

    27d22e2fb09e101ec13d9dc16bf743d6a49111c3205ea9127d1733696c3afbe1

    SHA512

    70c6458db107dc7254abc61508f014fe40f11a733d043cc1388113ef2887dcb666656d65a51d61fa65fff25ede393e4a99bf6a9976a895255f5807e57abfad94

    Download Submit
  • C:\Users\Admin\AppData\Local\Temp\RarSFX0\start.exe
    Filesize

    41KB

    MD5

    2b736720e2c2674b8037a03266574048

    SHA1

    b0fccf6893442467f1c8a7f05783d1f1ea27fa74

    SHA256

    27d22e2fb09e101ec13d9dc16bf743d6a49111c3205ea9127d1733696c3afbe1

    SHA512

    70c6458db107dc7254abc61508f014fe40f11a733d043cc1388113ef2887dcb666656d65a51d61fa65fff25ede393e4a99bf6a9976a895255f5807e57abfad94

    Download Submit
  • memory/4836-132-0x0000000000000000-mapping.dmp
    Download