Overview

overview

10

Static

static

92f15de038...97.exe

windows7_x64

10

92f15de038...97.exe

windows10-2004_x64

10

Analysis

  • max time kernel
    161s
  • max time network
    75s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20220414-en
  • submitted
    15-04-2022 06:50

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General

  • Target

    92f15de038bdd7abb17e816222833421868a9111d7bb8a5d11adff7ebc767897.exe

  • Size

    139KB

  • MD5

    9b3da423ab131e995a3fe396be19b370

  • SHA1

    4cb962df2bd2976d808365ec2fcab54032216635

  • SHA256

    92f15de038bdd7abb17e816222833421868a9111d7bb8a5d11adff7ebc767897

  • SHA512

    660abc1835ad61a3be6141f5ea8341e5a63a933de0f85b61e55e09169a53a0ed255de555993aa17777c380e67e476cd246c85703035bbed6ccb47bb9f1ef9721

Score
10/10
dharmapersistenceransomware

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 1 IoCs
  • Adds Run key to start application 2 TTPs 1 IoCs
    persistence
  • Drops desktop.ini file(s) 3 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 6 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\92f15de038bdd7abb17e816222833421868a9111d7bb8a5d11adff7ebc767897.exe
    "C:\Users\Admin\AppData\Local\Temp\92f15de038bdd7abb17e816222833421868a9111d7bb8a5d11adff7ebc767897.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:608
    • C:\Windows\system32\cmd.exe
      "C:\Windows\system32\cmd.exe"
      2⤵
      • Suspicious use of WriteProcessMemory
      PID:1624
      • C:\Windows\system32\mode.com
        mode con cp select=1251
        3⤵
          PID:3416
        • C:\Windows\system32\vssadmin.exe
          vssadmin delete shadows /all /quiet
          3⤵
          • Interacts with shadow copies
          PID:3976
    • C:\Windows\system32\vssvc.exe
      C:\Windows\system32\vssvc.exe
      1⤵
      • Suspicious use of AdjustPrivilegeToken
      PID:4220

    Network

    MITRE ATT&CK Enterprise v6

    Replay Monitor

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    Downloads

    • memory/608-131-0x0000000002FB0000-0x00000000030B0000-memory.dmp

      Filesize

      1024KB

      Download

    • memory/608-132-0x0000000004CE0000-0x0000000004CF9000-memory.dmp

      Filesize

      100KB

      Download

    • memory/608-133-0x0000000000400000-0x0000000002FAE000-memory.dmp

      Filesize

      43.7MB

      Download

    • memory/1624-134-0x0000000000000000-mapping.dmp

      Download

    • memory/3416-135-0x0000000000000000-mapping.dmp

      Download

    • memory/3976-136-0x0000000000000000-mapping.dmp

      Download