Overview

overview

10

Static

static

1bdb359b72...83.exe

windows7_x64

10

1bdb359b72...83.exe

windows10-2004_x64

10

Analysis

  • max time kernel
    168s
  • max time network
    164s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20220414-en
  • submitted
    03-05-2022 15:06

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General

  • Target

    1bdb359b72338b44cd435730edbdbddc5858ab15f1c95f52be3b0905b2daee83.exe

  • Size

    160KB

  • MD5

    3d16375a99ee04416d698710f27fe87b

  • SHA1

    7e947072e4fcdc4acd87ee9649f619ff7f781aca

  • SHA256

    1bdb359b72338b44cd435730edbdbddc5858ab15f1c95f52be3b0905b2daee83

  • SHA512

    fef60849bc19d033297843bcc8c88da8d80d1955758e563243aa455a588591955e5b7e2c6acd6de941a61c96e0cefebefe418a80c126940dd679e03713da8572

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) 2 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\1bdb359b72338b44cd435730edbdbddc5858ab15f1c95f52be3b0905b2daee83.exe
    "C:\Users\Admin\AppData\Local\Temp\1bdb359b72338b44cd435730edbdbddc5858ab15f1c95f52be3b0905b2daee83.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:2180
    • C:\Windows\system32\cmd.exe
      "C:\Windows\system32\cmd.exe"
      2⤵
      • Suspicious use of WriteProcessMemory
      PID:4076
      • C:\Windows\system32\mode.com
        mode con cp select=1251
        3⤵
          PID:1712
        • C:\Windows\system32\vssadmin.exe
          vssadmin delete shadows /all /quiet
          3⤵
          • Interacts with shadow copies
          PID:1884
    • C:\Windows\system32\vssvc.exe
      C:\Windows\system32\vssvc.exe
      1⤵
      • Suspicious use of AdjustPrivilegeToken
      PID:3472

    Network

    MITRE ATT&CK Enterprise v6

    Replay Monitor

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    Downloads

    • memory/1712-134-0x0000000000000000-mapping.dmp

      Download

    • memory/1884-135-0x0000000000000000-mapping.dmp

      Download

    • memory/2180-130-0x0000000000738000-0x000000000074B000-memory.dmp

      Filesize

      76KB

      Download

    • memory/2180-131-0x0000000000680000-0x0000000000699000-memory.dmp

      Filesize

      100KB

      Download

    • memory/2180-132-0x0000000000400000-0x00000000004E2000-memory.dmp

      Filesize

      904KB

      Download

    • memory/4076-133-0x0000000000000000-mapping.dmp

      Download