Overview

overview

10

Static

static

1cb7e68cfb...b9.exe

windows7_x64

10

1cb7e68cfb...b9.exe

windows10-2004_x64

10

Analysis

  • max time kernel
    151s
  • max time network
    46s
  • platform
    windows7_x64
  • resource
    win7-20220414-en
  • submitted
    07-06-2022 14:20

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General

  • Target

    1cb7e68cfb9f3cf1d401c76b3ea2f7d75f7f4ebac852abb797eaa685d10252b9.exe

  • Size

    349KB

  • MD5

    73dcf1a52ef5a8c6bc66632e9000e493

  • SHA1

    1c1f98c25117fed7edd35a802d610fbbbc7f4531

  • SHA256

    1cb7e68cfb9f3cf1d401c76b3ea2f7d75f7f4ebac852abb797eaa685d10252b9

  • SHA512

    19484575d7e1c671a69149e579881e225a5bef4a67f1d666768bb7da963c1aa0215e4e87461b4842cdf28c4830fd895fbe1c109d0bfd031c273275a01f2f4c39

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 5 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 2 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 20 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\1cb7e68cfb9f3cf1d401c76b3ea2f7d75f7f4ebac852abb797eaa685d10252b9.exe
    "C:\Users\Admin\AppData\Local\Temp\1cb7e68cfb9f3cf1d401c76b3ea2f7d75f7f4ebac852abb797eaa685d10252b9.exe"
    1⤵
    • 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:1376
    • C:\Windows\system32\cmd.exe
      "C:\Windows\system32\cmd.exe"
      2⤵
      • Suspicious use of WriteProcessMemory
      PID:1764
      • C:\Windows\system32\mode.com
        mode con cp select=1251
        3⤵
          PID:1992
        • C:\Windows\system32\vssadmin.exe
          vssadmin delete shadows /all /quiet
          3⤵
          • Interacts with shadow copies
          PID:1808
      • C:\Windows\system32\cmd.exe
        "C:\Windows\system32\cmd.exe"
        2⤵
        • Suspicious use of WriteProcessMemory
        PID:1272
        • C:\Windows\system32\mode.com
          mode con cp select=1251
          3⤵
            PID:1784
          • C:\Windows\system32\vssadmin.exe
            vssadmin delete shadows /all /quiet
            3⤵
            • Interacts with shadow copies
            PID:864
      • C:\Windows\system32\vssvc.exe
        C:\Windows\system32\vssvc.exe
        1⤵
        • Suspicious use of AdjustPrivilegeToken
        PID:432

      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

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      Downloads

      • memory/864-65-0x0000000000000000-mapping.dmp
        Download
      • memory/1272-63-0x0000000000000000-mapping.dmp
        Download
      • memory/1376-54-0x0000000000400000-0x0000000001400000-memory.dmp
        Filesize

        16.0MB

        Download
      • memory/1376-55-0x0000000007A0D000-0x0000000007A20000-memory.dmp
        Filesize

        76KB

        Download
      • memory/1376-56-0x0000000075361000-0x0000000075363000-memory.dmp
        Filesize

        8KB

        Download
      • memory/1376-60-0x0000000007A0D000-0x0000000007A20000-memory.dmp
        Filesize

        76KB

        Download
      • memory/1376-61-0x0000000000220000-0x0000000000239000-memory.dmp
        Filesize

        100KB

        Download
      • memory/1376-62-0x0000000000400000-0x0000000001400000-memory.dmp
        Filesize

        16.0MB

        Download
      • memory/1764-57-0x0000000000000000-mapping.dmp
        Download
      • memory/1784-64-0x0000000000000000-mapping.dmp
        Download
      • memory/1808-59-0x0000000000000000-mapping.dmp
        Download
      • memory/1992-58-0x0000000000000000-mapping.dmp
        Download