Overview

overview

10

Static

static

3

52b973c029...JC.exe

windows7-x64

10

52b973c029...JC.exe

windows10-2004-x64

10

Analysis

  • max time kernel
    157s
  • max time network
    149s
  • platform
    windows7_x64
  • resource
    win7-20230831-en
  • resource tags

    arch:x64arch:x86image:win7-20230831-enlocale:en-usos:windows7-x64system
  • submitted
    13-10-2023 01:39

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General

  • Target

    52b973c029f230ba1049d1438ff7a960exe_JC.exe

  • Size

    440KB

  • MD5

    52b973c029f230ba1049d1438ff7a960

  • SHA1

    c7c8790cd93463fea65921abfb44a5ed81788ab5

  • SHA256

    a8987722e326199edfa57b05912e962115d7e408ece800b53ed84a78d6a195a6

  • SHA512

    7b3b7aff02e7e15c557c618abfd243bb3b6510914aa8b2ea1eef76186c2ef7045a3848cded0b4530c67c113824c5b066fbca18df0f8a09e3e76795947d458605

  • SSDEEP

    6144:LQkAFTZe+DD2/wNvGaNgmQPzSI58KP0Pt8piGijRTGJd9jB:kTFTZFDGwtGigBFeKP0Pt+iGEMTd

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
  • Renames multiple (95) files with added filename extension

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

    ransomware
  • Drops startup file 1 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) 11 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 2 IoCs
  • Suspicious use of AdjustPrivilegeToken 3 IoCs
  • Suspicious use of WriteProcessMemory 12 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\52b973c029f230ba1049d1438ff7a960exe_JC.exe
    "C:\Users\Admin\AppData\Local\Temp\52b973c029f230ba1049d1438ff7a960exe_JC.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:2788
    • C:\Windows\SysWOW64\cmd.exe
      "C:\Windows\system32\cmd.exe"
      2⤵
      • Suspicious use of WriteProcessMemory
      PID:2356
      • C:\Windows\SysWOW64\mode.com
        mode con cp select=1251
        3⤵
          PID:2136
        • C:\Windows\SysWOW64\vssadmin.exe
          vssadmin delete shadows /all /quiet
          3⤵
          • Interacts with shadow copies
          PID:1512
    • C:\Windows\system32\vssvc.exe
      C:\Windows\system32\vssvc.exe
      1⤵
      • Suspicious use of AdjustPrivilegeToken
      PID:1132

    Network

    MITRE ATT&CK Enterprise v15

    Replay Monitor

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    Downloads

    • C:\MSOCache\All Users\{90140000-0011-0000-0000-0000000FF1CE}-C\[email protected]
      Filesize

      23.5MB

      MD5

      e0510f481b1ca9698a46827af762e763

      SHA1

      982283fc74d1f73ed00d199f9727fac8a6e3233b

      SHA256

      d0493e7c48b83e4a80da884f6267cdd6d45d2ad0dc806bf9a4df679b158b2b81

      SHA512

      7a28d46a18db7e59c386b38c8a777f7c66b701da0b9b53c287a9ab2a5b6c023a4ad63398b507be96e3a269e17fa94486a10dec6e98f8a575fc4a2ad806c792d3

      Download Submit

    • memory/2788-10-0x0000000000400000-0x0000000000473000-memory.dmp

      Filesize

      460KB

      Download

    • memory/2788-5775-0x0000000000400000-0x0000000000473000-memory.dmp

      Filesize

      460KB

      Download

    • memory/2788-9-0x00000000045F0000-0x00000000045F1000-memory.dmp

      Filesize

      4KB

      Download

    • memory/2788-3-0x00000000045F0000-0x00000000045F1000-memory.dmp

      Filesize

      4KB

      Download

    • memory/2788-5-0x00000000045F0000-0x00000000045F1000-memory.dmp

      Filesize

      4KB

      Download

    • memory/2788-7-0x00000000045F0000-0x00000000045F1000-memory.dmp

      Filesize

      4KB

      Download

    • memory/2788-6-0x00000000045F0000-0x00000000045F1000-memory.dmp

      Filesize

      4KB

      Download

    • memory/2788-8-0x00000000045F0000-0x00000000045F1000-memory.dmp

      Filesize

      4KB

      Download

    • memory/2788-4-0x00000000021B0000-0x0000000002220000-memory.dmp

      Filesize

      448KB

      Download

    • memory/2788-2-0x00000000045F0000-0x00000000045F1000-memory.dmp

      Filesize

      4KB

      Download

    • memory/2788-216-0x0000000000400000-0x0000000000473000-memory.dmp

      Filesize

      460KB

      Download

    • memory/2788-1-0x00000000045F0000-0x00000000045F1000-memory.dmp

      Filesize

      4KB

      Download

    • memory/2788-231-0x0000000000400000-0x0000000000473000-memory.dmp

      Filesize

      460KB

      Download

    • memory/2788-248-0x0000000000400000-0x0000000000473000-memory.dmp

      Filesize

      460KB

      Download

    • memory/2788-253-0x0000000000400000-0x0000000000473000-memory.dmp

      Filesize

      460KB

      Download

    • memory/2788-1739-0x0000000000400000-0x0000000000473000-memory.dmp

      Filesize

      460KB

      Download

    • memory/2788-3977-0x0000000000400000-0x0000000000473000-memory.dmp

      Filesize

      460KB

      Download

    • memory/2788-4848-0x0000000000400000-0x0000000000473000-memory.dmp

      Filesize

      460KB

      Download

    • memory/2788-0-0x00000000021B0000-0x0000000002220000-memory.dmp

      Filesize

      448KB

      Download