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Overview

overview

10

Static

static

10

2024-06-13...ma.exe

windows7-x64

10

2024-06-13...ma.exe

windows10-2004-x64

10

Analysis

  • max time kernel
    151s
  • max time network
    147s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240226-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240226-enlocale:en-usos:windows10-2004-x64system
  • submitted
    13/06/2024, 00:46

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General

  • Target

    2024-06-13_8eff2557176175b36f7dfbc96d66de7e_crysis_dharma.exe

  • Size

    92KB

  • MD5

    8eff2557176175b36f7dfbc96d66de7e

  • SHA1

    c4bd1673a1b213eb76bd4d5585b458e89186ba5c

  • SHA256

    29558b5b8abad441eff5491d4aab565d015fbb3bffc12560e8fd0988ca814b63

  • SHA512

    7367a58c453db940e261a72b66e3c131eafe6885fc2fba04a782a963489875f99ddd6ea38e1193ebbc41d5ac6663d43981bb9776dee328783c2ffb5a26e3e3f1

  • SSDEEP

    1536:GBwl+KXpsqN5vlwWYyhZ9S4Ak8ISyJOR6feBijpLOzECROmmX:ww+asqN5aW/hSDILJOaeB06Iz

Score
10/10
dharmadefense_evasionexecutionimpactpersistenceransomwarespywarestealer

Malware Config

Signatures

  • Dharma

    Dharma is a ransomware that uses security software installation to hide malicious activities.

    ransomwaredharma
  • Deletes shadow copies 3 TTPs

    Ransomware often targets backup files to inhibit system recovery.

    ransomwaredefense_evasionimpactexecution
  • Renames multiple (699) files with added filename extension

    This suggests ransomware activity of encrypting all the files on the system.

    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
  • Uses Volume Shadow Copy service COM API

    The Volume Shadow Copy service is used to manage backups/snapshots.

    ransomware

Processes

  • C:\Users\Admin\AppData\Local\Temp\2024-06-13_8eff2557176175b36f7dfbc96d66de7e_crysis_dharma.exe
    "C:\Users\Admin\AppData\Local\Temp\2024-06-13_8eff2557176175b36f7dfbc96d66de7e_crysis_dharma.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:1496
    • C:\Windows\system32\cmd.exe
      "C:\Windows\system32\cmd.exe"
      2⤵
      • Suspicious use of WriteProcessMemory
      PID:5044
      • C:\Windows\system32\mode.com
        mode con cp select=1251
        3⤵
          PID:2592
        • C:\Windows\system32\vssadmin.exe
          vssadmin delete shadows /all /quiet
          3⤵
          • Interacts with shadow copies
          PID:4948
    • C:\Windows\system32\vssvc.exe
      C:\Windows\system32\vssvc.exe
      1⤵
      • Suspicious use of AdjustPrivilegeToken
      PID:1728
    • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
      "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=utility --utility-sub-type=asset_store.mojom.AssetStoreService --lang=en-US --service-sandbox-type=asset_store_service --no-appcompat-clear --mojo-platform-channel-handle=4240 --field-trial-handle=2692,i,8678872182442199182,12502579059484928042,262144 --variations-seed-version /prefetch:8
      1⤵
        PID:5952

      Network

      MITRE ATT&CK Enterprise v15

      Replay Monitor

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      Downloads

      • C:\Program Files\Common Files\microsoft shared\ClickToRun\AppvIsvSubsystems32.dll.id-A6E6444A.[[email protected]].arrow
        Filesize

        2.7MB

        MD5

        805dad0e41ddd7a4fa6f600686d12932

        SHA1

        62022363af8a09e549932345981ba60bdc701cac

        SHA256

        bf2e4bed22d1b7324d464599a90c4c8d3c34ec46f0e80a055af8c0f64e436bad

        SHA512

        cbd488c513dcc9f2229fcdc41c168bdf63d53834fe514e665de6b794f9531a00d067e6fb75ce2252c3672b33c2cd02b6e607146ea53472c195e40e26eba9c518

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