Overview

overview

10

Static

static

10

2024-06-14...ma.exe

windows7-x64

10

2024-06-14...ma.exe

windows10-2004-x64

10

Analysis

  • max time kernel
    149s
  • max time network
    120s
  • platform
    windows7_x64
  • resource
    win7-20240508-en
  • resource tags

    arch:x64arch:x86image:win7-20240508-enlocale:en-usos:windows7-x64system
  • submitted
    14-06-2024 19:38

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General

  • Target

    2024-06-14_ff31faf94d4c9a95810c4016feac1590_crysis_dharma.exe

  • Size

    92KB

  • MD5

    ff31faf94d4c9a95810c4016feac1590

  • SHA1

    4ffa58e8d74452723ca6fe3e48a97232dac66957

  • SHA256

    69f5f2dd402929bc22dea2cdb6e6bd962c6d2f8aaede722a111230056783e547

  • SHA512

    201df1a2aaaa0d6fcfa13e58c1928fcbca32012ac82f38c83de79651c293d2b7c4a1db81d532d11cb98a5933f791dd056d88788d0287ba4880cfe07aeb3029c7

  • SSDEEP

    1536:GBwl+KXpsqN5vlwWYyhZ9S4AlD6/jvDSFnFEOXRl:ww+asqN5aW/hSDD6bvOFFEOB

Score
10/10
dharmadefense_evasionexecutionimpactpersistenceransomwarespywarestealer

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 3 TTPs

    Ransomware often targets backup files to inhibit system recovery.

    ransomwaredefense_evasionimpactexecution
  • Renames multiple (315) 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\2024-06-14_ff31faf94d4c9a95810c4016feac1590_crysis_dharma.exe
    "C:\Users\Admin\AppData\Local\Temp\2024-06-14_ff31faf94d4c9a95810c4016feac1590_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:1736
    • C:\Windows\system32\cmd.exe
      "C:\Windows\system32\cmd.exe"
      2⤵
      • Suspicious use of WriteProcessMemory
      PID:1696
      • C:\Windows\system32\mode.com
        mode con cp select=1251
        3⤵
          PID:2072
        • C:\Windows\system32\vssadmin.exe
          vssadmin delete shadows /all /quiet
          3⤵
          • Interacts with shadow copies
          PID:2768
      • C:\Windows\system32\cmd.exe
        "C:\Windows\system32\cmd.exe"
        2⤵
        • Suspicious use of WriteProcessMemory
        PID:768
        • C:\Windows\system32\mode.com
          mode con cp select=1251
          3⤵
            PID:1000
          • C:\Windows\system32\vssadmin.exe
            vssadmin delete shadows /all /quiet
            3⤵
            • Interacts with shadow copies
            PID:928
        • 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:788
        • 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:2704
      • C:\Windows\system32\vssvc.exe
        C:\Windows\system32\vssvc.exe
        1⤵
        • Suspicious use of AdjustPrivilegeToken
        PID:2760

      Network

      MITRE ATT&CK Enterprise v15

      Replay Monitor

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      Downloads

      • C:\MSOCache\All Users\{90140000-0011-0000-0000-0000000FF1CE}-C\ProPlusWW.msi.id-A97C1F89.[[email protected]].rxx
        Filesize

        24.4MB

        MD5

        37e59d7d7a43cfcc489e63efa520fced

        SHA1

        0ffade9402e58e229b831b1f0886b071e6d45cf2

        SHA256

        e550687f579ca3cf567406241fdbe4768769757c0487cc0dd95579c719ec6e2b

        SHA512

        8dd95f3d5476fb27d80f23fe0d6f1628f927d0082279e00c2342115e532858b6962ea48eab570c379844804457982618638bad2f86f379a3d3d8dc0f632d9760

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

        7KB

        MD5

        f0aa78a9737bebfa67cbec0246a6ef48

        SHA1

        d02399e474fd0a3079d9677fa64ef9c8e65c28d8

        SHA256

        536f60a22fbba5c2daf2d5e9d2ad32c5167efe86fadbb7b4efa7554700b41b61

        SHA512

        6a329a5884112af0f4ed5197981ff2b225d3dab3b8d1a2389aa70bec15590177c14d4b2509fc2049ff7f5dd0580449c6acef4b9dd2eecf899d2c6f6a9c9c9aeb

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