Overview

overview

10

Static

static

6

D02D012970...94.exe

windows7-x64

1

DBm0yQwt.exe.ViR.exe

windows7-x64

10

ca6ec46ee9...52.apk

windows7-x64

3

calc.exe

windows7-x64

7

ccc71c83c8...B3.exe

windows7-x64

7

ccc71c83c8...68.exe

windows7-x64

7

cd2d085998...-0.dll

windows7-x64

8

cdffb7e75b...ss.exe

windows7-x64

3

cf7382c25a...c9.exe

windows7-x64

6

cgi19-alpt...e_.exe

windows7-x64

7

chrst.exe

windows7-x64

3

ci05l2a.exe

windows7-x64

cl.exe

windows7-x64

7

clean.exe

windows7-x64

3

coinvault.exe

windows7-x64

9

com_loader.exe

windows7-x64

3

csrss.ex_.exe

windows7-x64

6

d.exe

windows7-x64

3

d0a5cfec8e...B3.exe

windows7-x64

7

d0a5cfec8e...A6.exe

windows7-x64

7

d2164cdbc9...FB.exe

windows7-x64

3

d2164cdbc9...08.exe

windows7-x64

7

d4439055d2..._1.dll

windows7-x64

3

d54d2a216e...96.exe

windows7-x64

7

d5f29750a8...c5.apk

windows7-x64

3

d6c32b0146...4d.zip

windows7-x64

9

d889734783...48.exe

windows7-x64

daaa72f48b...2d.exe

windows7-x64

9

ddbf1840bf...e2.exe

windows7-x64

10

de882c049b..._3.dll

windows7-x64

3

decrypt.exe

windows7-x64

3

decrypted.ex_.exe

windows7-x64

6

Analysis

  • max time kernel
    299s
  • max time network
    122s
  • platform
    windows7_x64
  • resource
    win7-20241010-en
  • resource tags

    arch:x64arch:x86image:win7-20241010-enlocale:en-usos:windows7-x64system
  • submitted
    22-11-2024 03:21

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General

  • Target

    ddbf1840bf626da19d8f3467fe9e20e2.exe

  • Size

    173KB

  • MD5

    ddbf1840bf626da19d8f3467fe9e20e2

  • SHA1

    e56e267b688418c372ce088d09c027338bcede3e

  • SHA256

    85113774d887cf194b7bfbcc8b44f0904a49a19b9c4cf304d11a4b73944996a7

  • SHA512

    5fa35c8e132ae631a280e5ab3a3fae79e6bd5327e969f52ebd5cd57acd244b72860221c70099f7f824dcb5c63d287f1fac1e31525c090bf10bcc3bb26b5d50a2

  • SSDEEP

    3072:MtmG0J6qaFw9mIxlCxkwCQ5fdWw8DKCegdMf0x+bwAv7M87T0M5g9S3Y:Smd0qqaAxlN8D9egmFbwAV7T0Mo

Score
10/10
dharmacredential_accessdefense_evasiondiscoveryexecutionimpactpersistenceransomwarespywarestealer

Malware Config

Extracted

Path

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

Ransom Note
All your files have been encrypted! All your files have been encrypted due to a security problem with your PC. If you want to restore them, write us to the e-mail [email protected] Write this ID in the title of your message CE721289 In case of no answer in 24 hours write us to theese e-mails: [email protected] You have to pay for decryption in Bitcoins. The price depends on how fast you write to us. After payment we will send you the decryption tool that will decrypt all your files. Free decryption as guarantee Before paying you can send us up to 1 file for free decryption. The total size of files must be less than 1Mb (non archived), and files should not contain valuable information. (databases,backups, large excel sheets, etc.) How to obtain Bitcoins The easiest way to buy bitcoins is LocalBitcoins site. You have to register, click 'Buy bitcoins', and select the seller by payment method and price. https://localbitcoins.com/buy_bitcoins Also you can find other places to buy Bitcoins and beginners guide here: http://www.coindesk.com/information/how-can-i-buy-bitcoins/ 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
  • Dharma family
    dharma
  • Deletes shadow copies 3 TTPs

    Ransomware often targets backup files to inhibit system recovery.

    ransomwaredefense_evasionimpactexecution
  • Renames multiple (327) files with added filename extension

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

    ransomware
  • Credentials from Password Stores: Windows Credential Manager 1 TTPs

    Suspicious access to Credentials History.

    credential_accessstealer
  • Drops startup file 5 IoCs
  • Reads user/profile data of web browsers 3 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
  • Browser Information Discovery 1 TTPs

    Enumerate browser information.

    discovery
  • Enumerates physical storage devices 1 TTPs

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

  • System Location Discovery: System Language Discovery 1 TTPs 1 IoCs

    Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

    discovery
  • Interacts with shadow copies 3 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\ddbf1840bf626da19d8f3467fe9e20e2.exe
    "C:\Users\Admin\AppData\Local\Temp\ddbf1840bf626da19d8f3467fe9e20e2.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
    • System Location Discovery: System Language Discovery
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of WriteProcessMemory
    PID:2372
    • C:\Windows\system32\cmd.exe
      "C:\Windows\system32\cmd.exe"
      2⤵
      • Suspicious use of WriteProcessMemory
      PID:2888
      • C:\Windows\system32\mode.com
        mode con cp select=1251
        3⤵
          PID:2620
        • C:\Windows\system32\vssadmin.exe
          vssadmin delete shadows /all /quiet
          3⤵
          • Interacts with shadow copies
          PID:2164
      • C:\Windows\system32\cmd.exe
        "C:\Windows\system32\cmd.exe"
        2⤵
        • Suspicious use of WriteProcessMemory
        PID:1604
        • C:\Windows\system32\mode.com
          mode con cp select=1251
          3⤵
            PID:1588
          • C:\Windows\system32\vssadmin.exe
            vssadmin delete shadows /all /quiet
            3⤵
            • Interacts with shadow copies
            PID:444
        • 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:1416
        • 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:1556
      • C:\Windows\system32\vssvc.exe
        C:\Windows\system32\vssvc.exe
        1⤵
        • Suspicious use of AdjustPrivilegeToken
        PID:1736

      Network

      MITRE ATT&CK Enterprise v15

      Reconnaissance

      Resource Development

      Initial Access

      Execution

      Windows Management Instrumentation

      1
      T1047

      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

      Direct Volume Access

      1
      T1006

      Indicator Removal

      2
      T1070

      File Deletion

      2
      T1070.004

      Modify Registry

      2
      T1112

      Credential Access

      Credentials from Password Stores

      2
      T1555

      Credentials from Web Browsers

      1
      T1555.003

      Windows Credential Manager

      1
      T1555.004

      Unsecured Credentials

      1
      T1552

      Credentials In Files

      1
      T1552.001

      Discovery

      Browser Information Discovery

      1
      T1217

      System Information Discovery

      1
      T1082

      System Location Discovery

      1
      T1614

      System Language Discovery

      1
      T1614.001

      Lateral Movement

      Collection

      Data from Local System

      1
      T1005

      Command and Control

      Exfiltration

      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-CE721289.[[email protected]].bip
        Filesize

        6.3MB

        MD5

        8b2531403b934c216b9cf49c081002e3

        SHA1

        5e85b46facf1b923e361cfdb170639b5581c4241

        SHA256

        30501cf5fd6437eda9cd66fc935791bfa1c363949687b49e605374c0f7539943

        SHA512

        e94f65bb3765d744e679a8eb057ba2643a419d8d2f831b5cef7a555a3c7b7a5e173355e87c85fee3f8e8e5d382d615ea80d650af2e78991353bda18456f97e33

        Download Submit

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

        13KB

        MD5

        adcedcc25aacca74dba946c007b8a222

        SHA1

        96a086d2520834362a8a40e16ae175421c799022

        SHA256

        99d6d3a7f3bc9af2b9781ce935bb11685542a911a16185b4964ad28052b5803b

        SHA512

        75d33513fc679ea511d07727e816c33c93a507e8d921b8e91674d0548062bff659cb6e9822929cbc5b022e3892ca9a87c57dacc1bb808fa4c58787677b93da8f

        Download Submit

      • memory/1556-20285-0x000007FFFFF80000-0x000007FFFFF90000-memory.dmp

        Filesize

        64KB

        Download

      • memory/2372-0-0x0000000000220000-0x0000000000232000-memory.dmp

        Filesize

        72KB

        Download

      • memory/2372-1-0x0000000000400000-0x0000000000419000-memory.dmp

        Filesize

        100KB

        Download

      • memory/2372-6936-0x0000000000220000-0x0000000000232000-memory.dmp

        Filesize

        72KB

        Download

      • memory/2372-6934-0x0000000000400000-0x0000000000476000-memory.dmp

        Filesize

        472KB

        Download

      • memory/2372-8347-0x0000000000400000-0x0000000000419000-memory.dmp

        Filesize

        100KB

        Download