Overview

overview

10

Static

static

10

GGH.exe

windows7-x64

10

GGH.exe

windows10-2004-x64

10

Analysis

  • max time kernel
    150s
  • max time network
    149s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20231215-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20231215-enlocale:en-usos:windows10-2004-x64system
  • submitted
    17-02-2024 04:07

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General

  • Target

    GGH.exe

  • Size

    92KB

  • MD5

    187085f60a15d78358d268cf183367e6

  • SHA1

    1e13b0fc5b939e8083963abffda959c33475d161

  • SHA256

    d223d35d360566205c14a9175d5856a63adaf7464c728526b22baee6e9388018

  • SHA512

    52d003c0c257646ae15341f740a4bb5aea2445f796957b8fd7abaa19b0ca612bf2f2fcdf34adc99bfb820e2d6569a0dbb7f7bf0842b6fc6ea534e72c0d816ed9

  • SSDEEP

    1536:mBwl+KXpsqN5vlwWYyhY9S4AOHYncfbfTLY+7L+v7/Nthwydlfssi:Qw+asqN5aW/hL+YnGbLY+GzPqyd5

Score
10/10
dharmapersistenceransomwarespywarestealer

Malware Config

Extracted

Path

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

Ransom Note
z1n All your files have been encrypted! Don't worry, you can return all your files! If you want to restore them, write to the mail: [email protected] YOUR ID [email protected] We strongly recommend that you do not use the services of intermediaries and first check the prices and conditions directly with us. The use of intermediaries may involve risks such as: -Overcharging: Intermediaries may charge inflated prices, resulting in improper additional costs to you. -Unjustified debit: There is a risk that your money may be stolen by intermediaries for personal use and they may claim that we did it. -Rejection of the transaction and termination of communication: Intermediaries may refuse to cooperate for personal reasons, which may result in termination of communication and make it difficult to resolve issues. We understand that data loss can be a critical issue, and we are proud to provide you with encrypted data recovery services. We strive to provide you with the highest level of confidence in our abilities and offer the following guarantees: ---Recovery demo: We provide the ability to decrypt up to three files up to 5 MB in size on a demo basis. Please note that these files should not contain important and critical data. Demo recovery is intended to demonstrate our skills and capabilities. ---Guaranteed Quality: We promise that when we undertake your data recovery, we will work with the utmost professionalism and attention to detail to ensure the best possible results. We use advanced technology and techniques to maximize the likelihood of a successful recovery. ---Transparent communication: Our team is always available to answer your questions and provide you with up-to-date information about the data recovery process. We appreciate your participation and feedback. 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 (495) files with added filename extension

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

    ransomware
  • Checks computer location settings 2 TTPs 1 IoCs

    Looks up country code configured in the registry, likely geofence.

  • 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
  • Suspicious behavior: EnumeratesProcesses 64 IoCs
  • Suspicious use of AdjustPrivilegeToken 3 IoCs
  • Suspicious use of WriteProcessMemory 16 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\GGH.exe
    "C:\Users\Admin\AppData\Local\Temp\GGH.exe"
    1⤵
    • Checks computer location settings
    • 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:4600
    • C:\Windows\system32\cmd.exe
      "C:\Windows\system32\cmd.exe"
      2⤵
      • Suspicious use of WriteProcessMemory
      PID:4580
      • C:\Windows\system32\mode.com
        mode con cp select=1251
        3⤵
          PID:7508
        • C:\Windows\system32\vssadmin.exe
          vssadmin delete shadows /all /quiet
          3⤵
          • Interacts with shadow copies
          PID:3668
      • C:\Windows\system32\cmd.exe
        "C:\Windows\system32\cmd.exe"
        2⤵
        • Suspicious use of WriteProcessMemory
        PID:10024
        • C:\Windows\system32\mode.com
          mode con cp select=1251
          3⤵
            PID:8844
          • C:\Windows\system32\vssadmin.exe
            vssadmin delete shadows /all /quiet
            3⤵
            • Interacts with shadow copies
            PID:9020
        • C:\Windows\System32\mshta.exe
          "C:\Windows\System32\mshta.exe" "C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\Info.hta"
          2⤵
            PID:5204
          • C:\Windows\System32\mshta.exe
            "C:\Windows\System32\mshta.exe" "C:\ProgramData\Microsoft\Windows\Start Menu\Programs\Startup\Info.hta"
            2⤵
              PID:5844
          • C:\Windows\system32\vssvc.exe
            C:\Windows\system32\vssvc.exe
            1⤵
            • Suspicious use of AdjustPrivilegeToken
            PID:8136
          • C:\Windows\System32\rundll32.exe
            C:\Windows\System32\rundll32.exe C:\Windows\System32\shell32.dll,SHCreateLocalServerRunDll {9aa46009-3ce0-458a-a354-715610a075e6} -Embedding
            1⤵
              PID:8508

            Network

            MITRE ATT&CK Enterprise v15

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            Downloads

            • C:\Program Files\Common Files\microsoft shared\ClickToRun\appvcleaner.exe.id-0CAED21F.[[email protected]].z1n
              Filesize

              2.9MB

              MD5

              d26bea2327444c61bd74355a3f324b4d

              SHA1

              e38551c0cf392a059b2a513d77edbd826936cf4e

              SHA256

              feab3afc4b6188d8df957d08ff708b99d24bdb050485caa59a54638ae14a9812

              SHA512

              af4e0c7eee371ef8162d2f39b24879553fec544c2961182fdc9729490d106e25d4c6f9450f06f449616284c55227a58a30bc947a792834157a9adf5b8c5fe7d8

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

              3KB

              MD5

              203698c19a2503db8d4de2474c40f1b2

              SHA1

              2cd27ce3ee6a86e904f768e3dbb0f82eeebca54a

              SHA256

              43d1b6a569b39b5513f16e0599e2823c058d83cdbcc9cd09b3fb6265e20a3bfb

              SHA512

              6f22a27166e2850342ec54202acd286998d73d2b149908713d4027c56796c0ac72dbad590cd74833ade7a3692b1b8d5e3e4ac23d181e4c32606326f79088ffbd

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