Overview

overview

10

Static

static

99983db6d9...b1.exe

windows7_x64

10

99983db6d9...b1.exe

windows10-2004_x64

10

Analysis

  • max time kernel
    151s
  • max time network
    153s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-en-20220112
  • submitted
    06-03-2022 05:50

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General

  • Target

    99983db6d986615dc063bb4d1a2d718ee75924e4febe9778fb0f84d8617f22b1.exe

  • Size

    92KB

  • MD5

    fa24e8b89babb10674a2aef8ca34e24f

  • SHA1

    cad18a09d19ea9482d3d379490742cb9bfa01508

  • SHA256

    99983db6d986615dc063bb4d1a2d718ee75924e4febe9778fb0f84d8617f22b1

  • SHA512

    7a2477c0204d705c7a31f9e5fa121dd33db4e5fd3722da8ef2be93fb1de8e850f54a1c28b272d06782892b85db9724d43cff50a1d6ace8980d82f4919cbd3566

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 3 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 6 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\99983db6d986615dc063bb4d1a2d718ee75924e4febe9778fb0f84d8617f22b1.exe
    "C:\Users\Admin\AppData\Local\Temp\99983db6d986615dc063bb4d1a2d718ee75924e4febe9778fb0f84d8617f22b1.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:3844
    • C:\Windows\system32\cmd.exe
      "C:\Windows\system32\cmd.exe"
      2⤵
      • Suspicious use of WriteProcessMemory
      PID:3320
      • C:\Windows\system32\mode.com
        mode con cp select=1251
        3⤵
          PID:3880
        • C:\Windows\system32\vssadmin.exe
          vssadmin delete shadows /all /quiet
          3⤵
          • Interacts with shadow copies
          PID:3588
    • C:\Windows\system32\vssvc.exe
      C:\Windows\system32\vssvc.exe
      1⤵
      • Suspicious use of AdjustPrivilegeToken
      PID:3276

    Network

    MITRE ATT&CK Enterprise v6

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    Downloads