Overview

overview

10

Static

static

287a6b75d1...ad.exe

windows7_x64

10

287a6b75d1...ad.exe

windows10-2004_x64

10

Analysis

  • max time kernel
    151s
  • max time network
    41s
  • platform
    windows7_x64
  • resource
    win7-20220414-en
  • submitted
    15-06-2022 17:27

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General

  • Target

    287a6b75d1776f89502a1fd0ec571adebff878becb0ebdcec703e8fc6e3885ad.exe

  • Size

    397KB

  • MD5

    60c40af102c485d0464236fe672d302b

  • SHA1

    d4a5a0dae3fb0274c48828e84ff8f960c7463406

  • SHA256

    287a6b75d1776f89502a1fd0ec571adebff878becb0ebdcec703e8fc6e3885ad

  • SHA512

    4d22a012d1da6878e3a1f0a726a303084e1f775281f7518bf6712eb80b8fbbf5ef4c659a4be5d8e53ad9c2e0005ec8a3454491dcae4c517f4db7a81fcbad0dac

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
  • Modifies extensions of user files 1 IoCs

    Ransomware generally changes the extension on encrypted files.

    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
  • 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 10 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\287a6b75d1776f89502a1fd0ec571adebff878becb0ebdcec703e8fc6e3885ad.exe
    "C:\Users\Admin\AppData\Local\Temp\287a6b75d1776f89502a1fd0ec571adebff878becb0ebdcec703e8fc6e3885ad.exe"
    1⤵
    • Modifies extensions of user files
    • 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:1280
    • C:\Windows\system32\cmd.exe
      "C:\Windows\system32\cmd.exe"
      2⤵
      • Suspicious use of WriteProcessMemory
      PID:1536
      • C:\Windows\system32\mode.com
        mode con cp select=1251
        3⤵
          PID:580
        • C:\Windows\system32\vssadmin.exe
          vssadmin delete shadows /all /quiet
          3⤵
          • Interacts with shadow copies
          PID:912
    • C:\Windows\system32\vssvc.exe
      C:\Windows\system32\vssvc.exe
      1⤵
      • Suspicious use of AdjustPrivilegeToken
      PID:552

    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/580-58-0x0000000000000000-mapping.dmp
      Download
    • memory/912-59-0x0000000000000000-mapping.dmp
      Download
    • memory/1280-54-0x00000000756E1000-0x00000000756E3000-memory.dmp
      Filesize

      8KB

      Download
    • memory/1280-55-0x0000000002290000-0x00000000026A0000-memory.dmp
      Filesize

      4.1MB

      Download
    • memory/1280-56-0x0000000000400000-0x0000000000468000-memory.dmp
      Filesize

      416KB

      Download
    • memory/1536-57-0x0000000000000000-mapping.dmp
      Download