Overview

overview

10

Static

static

drpbx.exe

windows7_x64

10

drpbx.exe

windows10_x64

10

Resubmissions

09-10-2023 22:49

231009-2ry4hsba26 10

06-03-2021 22:23

210306-pfhc83235s 10

05-06-2020 02:52

200605-jqylqtyzss 10

Analysis

  • max time kernel
    138s
  • max time network
    33s
  • platform
    windows7_x64
  • resource
    win7v200430
  • submitted
    05-06-2020 02:52

Sharing

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General

  • Target

    drpbx.exe

  • Size

    125KB

  • MD5

    7fab69dcc9fbee7ca91bef27dc551f63

  • SHA1

    fe272f074373e80e2a00144e0fcc4de6e68cf0e3

  • SHA256

    6f94e5747ba1aaa2bb666704ee65b37aac8aff47dbc321be2b607d47dd695e8f

  • SHA512

    ac87841efd28941ee4b13142602b6f91a43b29136236d78ccde1ba838d453c9d9de5ab94ced8eaddb426f1b569ee8a3f593fdae04f02984b7fc337bccd0b3ae8

Score
10/10
persistenceransomwarejigsawspyware

Malware Config

Signatures

  • Suspicious use of WriteProcessMemory 3 IoCs
  • Executes dropped EXE 1 IoCs
  • Adds Run entry to start application 2 TTPs 1 IoCs
    persistence
  • Jigsaw

    Ransomware family first created in 2016. Named based on wallpaper set after infection.

    ransomwarejigsaw
  • Drops file in Program Files directory 5177 IoCs
  • Reads user/profile data of web browsers 2 TTPs

    Infostealers often target stored browser data, which can include saved credentials etc.

    spyware

Processes

  • C:\Users\Admin\AppData\Local\Temp\drpbx.exe
    "C:\Users\Admin\AppData\Local\Temp\drpbx.exe"
    1⤵
    • Suspicious use of WriteProcessMemory
    • Adds Run entry to start application
    PID:1492
    • C:\Users\Admin\AppData\Local\Drpbx\drpbx.exe
      "C:\Users\Admin\AppData\Local\Drpbx\drpbx.exe" C:\Users\Admin\AppData\Local\Temp\drpbx.exe
      2⤵
      • Executes dropped EXE
      • Drops file in Program Files directory
      PID:600
  • C:\Windows\explorer.exe
    "C:\Windows\explorer.exe"
    1⤵
      PID:848

    Network

    MITRE ATT&CK Matrix ATT&CK v6

    Initial Access

    Execution

    Persistence

    Registry Run Keys / Startup Folder

    1
    T1060

    Privilege Escalation

    Defense Evasion

    Modify Registry

    1
    T1112

    Credential Access

    Credentials in Files

    1
    T1081

    Discovery

    Lateral Movement

    Collection

    Data from Local System

    1
    T1005

    Exfiltration

    Command and Control

    Impact

    Replay Monitor

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    Downloads

    • C:\Users\Admin\AppData\Local\Drpbx\drpbx.exe
      Download Submit
    • C:\Users\Admin\AppData\Local\Drpbx\drpbx.exe
      Download Submit
    • memory/600-3-0x0000000000000000-0x0000000000000000-disk.dmp
      Download