Overview

overview

10

Static

static

6fd9efbc6f...82.exe

windows7_x64

10

6fd9efbc6f...82.exe

windows10-2004_x64

10

Analysis

  • max time kernel
    172s
  • max time network
    183s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20220414-en
  • submitted
    27-04-2022 17:58

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General

  • Target

    6fd9efbc6f7988da8397c1542b23a77c98cb39066e839e4c3927a568e9d1c482.exe

  • Size

    158KB

  • MD5

    3b0e37e2e61d8e9b21f29d46f77146ec

  • SHA1

    ab267c9e94abbe239587d7adabf1be4562778efd

  • SHA256

    6fd9efbc6f7988da8397c1542b23a77c98cb39066e839e4c3927a568e9d1c482

  • SHA512

    5978694e81667b09f532cbbd1416d2056ad8b89caddec5c70cc569a451b279244833ee87621a237136c32d3090c55b310d54c9241f2bc3b96d83acdabdc2766b

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\6fd9efbc6f7988da8397c1542b23a77c98cb39066e839e4c3927a568e9d1c482.exe
    "C:\Users\Admin\AppData\Local\Temp\6fd9efbc6f7988da8397c1542b23a77c98cb39066e839e4c3927a568e9d1c482.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:4580
    • C:\Windows\system32\cmd.exe
      "C:\Windows\system32\cmd.exe"
      2⤵
      • Suspicious use of WriteProcessMemory
      PID:4548
      • C:\Windows\system32\mode.com
        mode con cp select=1251
        3⤵
          PID:948
        • C:\Windows\system32\vssadmin.exe
          vssadmin delete shadows /all /quiet
          3⤵
          • Interacts with shadow copies
          PID:3364
    • C:\Windows\system32\vssvc.exe
      C:\Windows\system32\vssvc.exe
      1⤵
      • Suspicious use of AdjustPrivilegeToken
      PID:2924

    Network

    MITRE ATT&CK Enterprise v6

    Replay Monitor

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    Downloads

    • memory/948-134-0x0000000000000000-mapping.dmp

      Download

    • memory/3364-135-0x0000000000000000-mapping.dmp

      Download

    • memory/4548-133-0x0000000000000000-mapping.dmp

      Download

    • memory/4580-130-0x00000000007D8000-0x00000000007EB000-memory.dmp

      Filesize

      76KB

      Download

    • memory/4580-131-0x0000000000780000-0x0000000000799000-memory.dmp

      Filesize

      100KB

      Download

    • memory/4580-132-0x0000000000400000-0x00000000004E2000-memory.dmp

      Filesize

      904KB

      Download