Overview

overview

10

Static

static

3

0f2c468593...cc.exe

windows7-x64

10

0f2c468593...cc.exe

windows10-2004-x64

10

Analysis

  • max time kernel
    150s
  • max time network
    126s
  • platform
    windows7_x64
  • resource
    win7-20231215-en
  • resource tags

    arch:x64arch:x86image:win7-20231215-enlocale:en-usos:windows7-x64system
  • submitted
    25-12-2023 07:34

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General

  • Target

    0f2c4685932a74e8a7bd4733ceea0fcc.exe

  • Size

    92KB

  • MD5

    0f2c4685932a74e8a7bd4733ceea0fcc

  • SHA1

    51201bbf3d9b532d8882a4cda4fa40f35d093179

  • SHA256

    b0817a23a0189f43f8ceeb9899ade839f07da58dcf5a522d563c15382fba305a

  • SHA512

    c397d75914c49eba7725f886845aa8a6b02cfbbaef59f858507b0ebce836aafb9743bafd2f409097ec45eb68e0c333cfda0fc0607b37ddbbaca6c23e2f73d461

  • SSDEEP

    1536:mBwl+KXpsqN5vlwWYyhY9S4A+owcTqXrUMW/E4RwlROQA1d2x3u:Qw+asqN5aW/hL0X6wbmd2x3u

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 (169) 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) 14 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 10 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\0f2c4685932a74e8a7bd4733ceea0fcc.exe
    "C:\Users\Admin\AppData\Local\Temp\0f2c4685932a74e8a7bd4733ceea0fcc.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:1936
    • C:\Windows\system32\cmd.exe
      "C:\Windows\system32\cmd.exe"
      2⤵
      • Suspicious use of WriteProcessMemory
      PID:2880
      • C:\Windows\system32\mode.com
        mode con cp select=1251
        3⤵
          PID:2912
        • C:\Windows\system32\vssadmin.exe
          vssadmin delete shadows /all /quiet
          3⤵
          • Interacts with shadow copies
          PID:1500
    • C:\Windows\system32\vssvc.exe
      C:\Windows\system32\vssvc.exe
      1⤵
      • Suspicious use of AdjustPrivilegeToken
      PID:3056

    Network

    MITRE ATT&CK Matrix ATT&CK v13

    Initial Access

    Execution

    Persistence

    Boot or Logon Autostart Execution

    1
    T1547

    Registry Run Keys / Startup Folder

    1
    T1547.001

    Privilege Escalation

    Boot or Logon Autostart Execution

    1
    T1547

    Registry Run Keys / Startup Folder

    1
    T1547.001

    Defense Evasion

    Indicator Removal

    2
    T1070

    File Deletion

    2
    T1070.004

    Modify Registry

    1
    T1112

    Credential Access

    Unsecured Credentials

    1
    T1552

    Credentials In Files

    1
    T1552.001

    Discovery

    Lateral Movement

    Collection

    Data from Local System

    1
    T1005

    Exfiltration

    Command and Control

    Impact

    Inhibit System Recovery

    2
    T1490

    Resource Development

    Reconnaissance

    Replay Monitor

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    Downloads

    • C:\MSOCache\All Users\{90140000-0011-0000-0000-0000000FF1CE}-C\OWOW64WW.cab.id-4319B79F.[itteam122@aol.com].ROGER
      Filesize

      1.9MB

      MD5

      4fabbb4947d0febd7bdca10335638803

      SHA1

      509bc120b4b5a58af0f6d3350c5cfe88179eab37

      SHA256

      ed2f44b9e5d12858b126486c198058f686dc4996a2687a3993e29a930f8b4307

      SHA512

      1ef74c784f1778c6a31ec574f72c50b585a0d62148968f8480089c7d728ec8d7864928a017e001194e710893d3e60ff0d24605b487408d0e54d77a80e24c7a1f

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