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
    123s
  • platform
    windows7_x64
  • resource
    win7-20231215-en
  • resource tags

    arch:x64arch:x86image:win7-20231215-enlocale:en-usos:windows7-x64system
  • submitted
    30-12-2023 04:54

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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

Extracted

Path

C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\Info.hta

Ransom Note
YOUR FILES ARE ENCRYPTED Don't worry,you can return all your files! If you want to restore them, follow this link: email [email protected] YOUR ID If you have not been answered via the link within 12 hours, write to us by e-mail: [email protected] Attention! Do not rename encrypted files. Do not try to decrypt your data using third party software, it may cause permanent data loss. Decryption of your files with the help of third parties may cause increased price (they add their fee to our) or you can become a victim of a scam.

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 (313) files with added filename extension

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

    ransomware
  • Drops startup file 5 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 3 IoCs
    persistence
  • Drops desktop.ini file(s) 64 IoCs
  • Drops file in System32 directory 2 IoCs
  • Drops file in Program Files directory 64 IoCs
  • Enumerates physical storage devices 1 TTPs

    Attempts to interact with connected storage/optical drive(s).

  • Interacts with shadow copies 2 TTPs 2 IoCs

    Shadow copies are often targeted by ransomware to inhibit system recovery.

    ransomware
  • Modifies Internet Explorer settings 1 TTPs 2 IoCs
    adwarespyware
  • Suspicious behavior: EnumeratesProcesses 64 IoCs
  • Suspicious use of AdjustPrivilegeToken 3 IoCs
  • Suspicious use of WriteProcessMemory 28 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:2448
    • C:\Windows\system32\cmd.exe
      "C:\Windows\system32\cmd.exe"
      2⤵
      • Suspicious use of WriteProcessMemory
      PID:2328
      • C:\Windows\system32\mode.com
        mode con cp select=1251
        3⤵
          PID:2732
        • C:\Windows\system32\vssadmin.exe
          vssadmin delete shadows /all /quiet
          3⤵
          • Interacts with shadow copies
          PID:2548
      • C:\Windows\system32\cmd.exe
        "C:\Windows\system32\cmd.exe"
        2⤵
        • Suspicious use of WriteProcessMemory
        PID:2804
        • C:\Windows\system32\mode.com
          mode con cp select=1251
          3⤵
            PID:1752
          • C:\Windows\system32\vssadmin.exe
            vssadmin delete shadows /all /quiet
            3⤵
            • Interacts with shadow copies
            PID:228
        • C:\Windows\System32\mshta.exe
          "C:\Windows\System32\mshta.exe" "C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\Info.hta"
          2⤵
          • Modifies Internet Explorer settings
          PID:2460
        • C:\Windows\System32\mshta.exe
          "C:\Windows\System32\mshta.exe" "C:\ProgramData\Microsoft\Windows\Start Menu\Programs\Startup\Info.hta"
          2⤵
          • Modifies Internet Explorer settings
          PID:2148
      • C:\Windows\system32\vssvc.exe
        C:\Windows\system32\vssvc.exe
        1⤵
        • Suspicious use of AdjustPrivilegeToken
        PID:2324

      Network

      MITRE ATT&CK Enterprise v15

      Replay Monitor

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      Downloads

      • C:\MSOCache\All Users\{90140000-0011-0000-0000-0000000FF1CE}-C\osetup.dll.id-C8C384BF.[[email protected]].ROGER
        Filesize

        2.1MB

        MD5

        5367b96fb1f25dacbf04e725ddb6e33a

        SHA1

        08f80f5b5a5280d7b42810399d93274ea28511d7

        SHA256

        6670e455dce4f0bd92c6bc218f3644883bf5ba696fe63212660f53821c4bbefb

        SHA512

        89368d6acaddb18fd7b1e682eb172c57617e3b747b10d1533a112493d21613a1b14d9a25fe53cab4407ddb191509a6054a9fe978be532f150549cb674f391961

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      • C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\Info.hta
        Filesize

        7KB

        MD5

        49692b7ae532592aaadfce481421531d

        SHA1

        d7425b9f976b9d053bf033f90d813f92fcae50d0

        SHA256

        59814e02e5bf5995153f2b655df448aa0470c7be247dc50ce540c48395e978bf

        SHA512

        619d0af9e17c59bd64a0487cb48d3f604577a3adc5e2578954012d52657ab03f3e4d7ce88853bf143ec0bf7029bcc702e8fc57e0e9e78118c4ce7c0e30be01b0

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