Overview

overview

10

Static

static

1

payload.bin.exe

windows7-x64

10

payload.bin.exe

windows10-2004-x64

10

Analysis

  • max time kernel
    150s
  • max time network
    32s
  • platform
    windows7_x64
  • resource
    win7-20230220-en
  • resource tags

    arch:x64arch:x86image:win7-20230220-enlocale:en-usos:windows7-x64system
  • submitted
    11-03-2023 16:46

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General

  • Target

    payload.bin.exe

  • Size

    92KB

  • MD5

    a0dd1dfbac4b2aaed94b2065a9c9f30c

  • SHA1

    b797000407eb333dc80777dd088204179b62fb5c

  • SHA256

    0cbb472b555d4cab454948ba900675db48b120afaedf246a14d87d970b233a43

  • SHA512

    13949bcbd0a6d7efee4e466f9f8818bd4b0643f8bc1116cd302b9b72808dbe018e30aa36d1edd4474ebf590d5d29438247f391988b6b2b5a5188d79a47ae1229

  • SSDEEP

    1536:mBwl+KXpsqN5vlwWYyhY9S4AQp27xRgjGri0wEeKirLWP6d7cH:Qw+asqN5aW/hL+pwl2RsivPd

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
  • Modifies extensions of user files 1 IoCs

    Ransomware generally changes the extension on encrypted files.

    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). Likely ransomware behaviour.

  • 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\payload.bin.exe
    "C:\Users\Admin\AppData\Local\Temp\payload.bin.exe"
    1⤵
    • Modifies extensions of user files
    • 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:1040
    • C:\Windows\system32\cmd.exe
      "C:\Windows\system32\cmd.exe"
      2⤵
      • Suspicious use of WriteProcessMemory
      PID:1108
      • C:\Windows\system32\mode.com
        mode con cp select=1251
        3⤵
          PID:1032
        • C:\Windows\system32\vssadmin.exe
          vssadmin delete shadows /all /quiet
          3⤵
          • Interacts with shadow copies
          PID:336
      • C:\Windows\system32\cmd.exe
        "C:\Windows\system32\cmd.exe"
        2⤵
        • Suspicious use of WriteProcessMemory
        PID:2660
        • C:\Windows\system32\mode.com
          mode con cp select=1251
          3⤵
            PID:2416
          • C:\Windows\system32\vssadmin.exe
            vssadmin delete shadows /all /quiet
            3⤵
            • Interacts with shadow copies
            PID:2980
        • 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:2684
        • 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:1392
      • C:\Windows\system32\vssvc.exe
        C:\Windows\system32\vssvc.exe
        1⤵
        • Suspicious use of AdjustPrivilegeToken
        PID:328

      Network

      MITRE ATT&CK Matrix ATT&CK v6

      Initial Access

      Execution

      Persistence

      Registry Run Keys / Startup Folder

      1
      T1060

      Privilege Escalation

      Defense Evasion

      File Deletion

      2
      T1107

      Modify Registry

      2
      T1112

      Credential Access

      Credentials in Files

      1
      T1081

      Discovery

      System Information Discovery

      1
      T1082

      Lateral Movement

      Collection

      Data from Local System

      1
      T1005

      Exfiltration

      Command and Control

      Impact

      Inhibit System Recovery

      2
      T1490

      Replay Monitor

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      Downloads

      • C:\MSOCache\All Users\{90140000-0011-0000-0000-0000000FF1CE}-C\osetup.dll.id-1BDE4858.[[email protected]].ccd
        Filesize

        6.3MB

        MD5

        59d8b6914027e38ef362b0f4d0a13d77

        SHA1

        643db9dc90e4fa595193a6e76b6b141d6d3cff31

        SHA256

        39a8983a27112954804fbf08ed63db62aa1202a9cf1ea45aff6b24716d66a439

        SHA512

        e31e66522654c3c400225ef149ef7e68a58099ea96977d0ee8f1c37b09e12749eac5f9e4b9aee7fa3e7febef2fc4d9988b165c3c13ee2ce9bed8bd95fce33890

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      • C:\ProgramData\Microsoft\Windows\Start Menu\Programs\Startup\Info.hta
        Filesize

        7KB

        MD5

        29b120e95da4b261808635e74909a078

        SHA1

        54a3a2818aa8d1551ffe57b06da130a6e43f8b8b

        SHA256

        5db5ab5e95a1bec4bceef4b785dbd3dd3f94ff0e94979b0a4a56957153aacee4

        SHA512

        be0e1ea236f785dde72dc631c7a4b2310a517b1d3dd7fa675fc8d713bda3780420dc2126cfb2e54c3f6e4ba3d929b6425d2838a130fbc48ba3bf916781de9838

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

        7KB

        MD5

        29b120e95da4b261808635e74909a078

        SHA1

        54a3a2818aa8d1551ffe57b06da130a6e43f8b8b

        SHA256

        5db5ab5e95a1bec4bceef4b785dbd3dd3f94ff0e94979b0a4a56957153aacee4

        SHA512

        be0e1ea236f785dde72dc631c7a4b2310a517b1d3dd7fa675fc8d713bda3780420dc2126cfb2e54c3f6e4ba3d929b6425d2838a130fbc48ba3bf916781de9838

        Download Submit