Overview

overview

10

Static

static

??????????...??.scr

windows7-x64

10

??????????...??.scr

windows10-2004-x64

10

Analysis

  • max time kernel
    150s
  • max time network
    153s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20220718-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20220718-enlocale:en-usos:windows10-2004-x64system
  • submitted
    19-07-2022 13:34

Sharing

Copy URL
Twitter E-mail
Report Analysis Logs

General

  • Target

    ?????????? 1 +??????????.scr

  • Size

    335KB

  • MD5

    ea54ac4b573864a58e912bc1296e6b3d

  • SHA1

    cb0b48ec0e1c0da1b46e35c7fc7e498b6439a9ca

  • SHA256

    82cc54a2d2620e98de7729569627dc794b4d53096f74e5b6fae2fdb227d63d1d

  • SHA512

    712e6c66cd158ba9b112f3f00e612ea921b94c664f07a3124b45517d24a7eb6b75f9d0f4c3bc9f8c38af810f1659cefeec6af4dd4bcd3feba512848ed369e3ab

Score
10/10
dharmapersistenceransomwarespywarestealer

Malware Config

Signatures

  • Dharma

    Dharma is a ransomware that uses security software installation to hide malicious activities.

    ransomwaredharma
  • Deletes shadow copies 2 TTPs

    Ransomware often targets backup files to inhibit system recovery.

    ransomware
  • Drops startup file 4 IoCs
  • Reads user/profile data of web browsers 2 TTPs

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

    spywarestealer
  • Adds Run key to start application 2 TTPs 1 IoCs
    persistence
  • Drops desktop.ini file(s) 64 IoCs
  • Drops file in System32 directory 1 IoCs
  • Suspicious use of SetThreadContext 1 IoCs
  • Drops file in Program Files directory 64 IoCs
  • Interacts with shadow copies 2 TTPs 1 IoCs

    Shadow copies are often targeted by ransomware to inhibit system recovery.

    ransomware
  • Suspicious behavior: EnumeratesProcesses 64 IoCs
  • Suspicious use of AdjustPrivilegeToken 3 IoCs
  • Suspicious use of WriteProcessMemory 14 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\__________ 1 +__________.scr
    "C:\Users\Admin\AppData\Local\Temp\__________ 1 +__________.scr" /S
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of WriteProcessMemory
    PID:4008
    • C:\Users\Admin\AppData\Local\Temp\__________ 1 +__________.scr
      "C:\Users\Admin\AppData\Local\Temp\__________ 1 +__________.scr"
      2⤵
      • Drops startup file
      • Adds Run key to start application
      • Drops desktop.ini file(s)
      • Drops file in System32 directory
      • Drops file in Program Files directory
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of WriteProcessMemory
      PID:4448
      • C:\Windows\system32\cmd.exe
        "C:\Windows\system32\cmd.exe"
        3⤵
        • Suspicious use of WriteProcessMemory
        PID:1968
        • C:\Windows\system32\mode.com
          mode con cp select=1251
          4⤵
            PID:2580
          • C:\Windows\system32\vssadmin.exe
            vssadmin delete shadows /all /quiet
            4⤵
            • Interacts with shadow copies
            PID:4940
    • C:\Windows\system32\vssvc.exe
      C:\Windows\system32\vssvc.exe
      1⤵
      • Suspicious use of AdjustPrivilegeToken
      PID:4976

    Network

    MITRE ATT&CK Matrix ATT&CK v6

    Initial Access

    Execution

    Persistence

    Registry Run Keys / Startup Folder

    1
    T1060

    Privilege Escalation

    Defense Evasion

    File Deletion

    2
    T1107

    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

    Inhibit System Recovery

    2
    T1490

    Replay Monitor

    Loading Replay Monitor...

    Downloads

    • memory/1968-137-0x0000000000000000-mapping.dmp
      Download
    • memory/2580-138-0x0000000000000000-mapping.dmp
      Download
    • memory/4008-130-0x0000000000960000-0x00000000009CE200-memory.dmp
      Filesize

      440KB

      Download
    • memory/4008-131-0x00000000007C0000-0x00000000007C3000-memory.dmp
      Filesize

      12KB

      Download
    • memory/4008-135-0x0000000000960000-0x00000000009CE200-memory.dmp
      Filesize

      440KB

      Download
    • memory/4448-132-0x0000000000000000-mapping.dmp
      Download
    • memory/4448-133-0x0000000000400000-0x0000000000419000-memory.dmp
      Filesize

      100KB

      Download
    • memory/4448-136-0x0000000000400000-0x0000000000419000-memory.dmp
      Filesize

      100KB

      Download
    • memory/4448-139-0x0000000000400000-0x0000000000419000-memory.dmp
      Filesize

      100KB

      Download
    • memory/4448-140-0x0000000000960000-0x00000000009CE200-memory.dmp
      Filesize

      440KB

      Download
    • memory/4940-141-0x0000000000000000-mapping.dmp
      Download