Overview

overview

10

Static

static

10

01aabfaa41...50.exe

windows7-x64

3

01aabfaa41...50.exe

windows10-2004-x64

3

01c647838c...7f.exe

windows7-x64

10

01c647838c...7f.exe

windows10-2004-x64

10

02f5c32fa2...d6.exe

windows7-x64

6

02f5c32fa2...d6.exe

windows10-2004-x64

6

1a05cba687...a3.exe

windows7-x64

10

1a05cba687...a3.exe

windows10-2004-x64

10

1a8f35d0f2...b9.exe

windows7-x64

1a8f35d0f2...b9.exe

windows10-2004-x64

1af797776e...13.exe

windows7-x64

10

1af797776e...13.exe

windows10-2004-x64

10

1b2b369f31...2e.exe

windows7-x64

3

1b2b369f31...2e.exe

windows10-2004-x64

3

1b4a0b685c...db.exe

windows7-x64

3

1b4a0b685c...db.exe

windows10-2004-x64

3

1b4d73a9a7...89.exe

windows7-x64

10

1b4d73a9a7...89.exe

windows10-2004-x64

10

1ba8934b2e...4d.exe

windows7-x64

1

1ba8934b2e...4d.exe

windows10-2004-x64

3

1c2a51daa5...5b.exe

windows7-x64

10

1c2a51daa5...5b.exe

windows10-2004-x64

10

1c8bc3890f...45.exe

windows7-x64

6

1c8bc3890f...45.exe

windows10-2004-x64

7

1ce9fa5304...ef.exe

windows7-x64

1ce9fa5304...ef.exe

windows10-2004-x64

1d51d46e07...cd.exe

windows7-x64

10

1d51d46e07...cd.exe

windows10-2004-x64

10

1db9ec5678...e0.exe

windows7-x64

10

1db9ec5678...e0.exe

windows10-2004-x64

10

1dbbed25cf...88.exe

windows7-x64

1dbbed25cf...88.exe

windows10-2004-x64

Resubmissions

15-10-2024 03:47

241015-ecgjlashrh 10

05-08-2024 04:49

240805-ffygys1eke 10

05-08-2024 03:50

240805-eee4jszepd 10

Analysis

  • max time kernel
    149s
  • max time network
    131s
  • platform
    windows7_x64
  • resource
    win7-20240708-en
  • resource tags

    arch:x64arch:x86image:win7-20240708-enlocale:en-usos:windows7-x64system
  • submitted
    05-08-2024 03:50

Sharing

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General

  • Target

    1a05cba6870798d2e73001bf872e4d579460c380c060fd051f33a703f504b8a3.exe

  • Size

    92KB

  • MD5

    786ce74458720ec55b824586d2e5666d

  • SHA1

    6f62e7fe75a0876939e0dd95d314b83e25e1e395

  • SHA256

    1a05cba6870798d2e73001bf872e4d579460c380c060fd051f33a703f504b8a3

  • SHA512

    083fe6cde08dac05043ecc0fdbc8b26b0764de7f651ad19e96a937bc27de96242f1763b701b308eab7e0b9a8dd88cbc45e9c891de505b5348581acd4e1495c33

  • SSDEEP

    1536:mBwl+KXpsqN5vlwWYyhY9S4A9eAzVbobr+t+NK1GcoDc50cO2tqpbe:Qw+asqN5aW/hL2UVEnHKIcAtcO2tqpb

Score
10/10
dharmacredential_accessdefense_evasiondiscoveryexecutionimpactpersistenceransomwarespywarestealer

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
  • Credentials from Password Stores: Credentials from Web Browsers 1 TTPs

    Malicious Access or copy of Web Browser Credential store.

    credential_accessstealer
  • Deletes shadow copies 3 TTPs

    Ransomware often targets backup files to inhibit system recovery.

    ransomwaredefense_evasionimpactexecution
  • Renames multiple (320) 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 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
  • 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\1a05cba6870798d2e73001bf872e4d579460c380c060fd051f33a703f504b8a3.exe
    "C:\Users\Admin\AppData\Local\Temp\1a05cba6870798d2e73001bf872e4d579460c380c060fd051f33a703f504b8a3.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:2092
    • C:\Windows\system32\cmd.exe
      "C:\Windows\system32\cmd.exe"
      2⤵
      • Suspicious use of WriteProcessMemory
      PID:2768
      • C:\Windows\system32\mode.com
        mode con cp select=1251
        3⤵
          PID:2680
        • C:\Windows\system32\vssadmin.exe
          vssadmin delete shadows /all /quiet
          3⤵
          • Interacts with shadow copies
          PID:2112
      • C:\Windows\system32\cmd.exe
        "C:\Windows\system32\cmd.exe"
        2⤵
        • Suspicious use of WriteProcessMemory
        PID:1752
        • C:\Windows\system32\mode.com
          mode con cp select=1251
          3⤵
            PID:3616
          • C:\Windows\system32\vssadmin.exe
            vssadmin delete shadows /all /quiet
            3⤵
            • Interacts with shadow copies
            PID:3512
        • 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:3424
        • 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:3240
      • C:\Windows\system32\vssvc.exe
        C:\Windows\system32\vssvc.exe
        1⤵
        • Suspicious use of AdjustPrivilegeToken
        PID:1232

      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

      Loading Replay Monitor...

      Downloads

      • C:\MSOCache\All Users\{90140000-0011-0000-0000-0000000FF1CE}-C\osetup.dll.id-74D37FE9.[[email protected]].data
        Filesize

        6.3MB

        MD5

        dd8eecc1b3cbe342857d327a44fafa94

        SHA1

        969fc4b2fc8d55dee83260efd0d1f0140256e130

        SHA256

        0ce39bfcc500ab77c1c27f28b4a9082f8d11957b4ef364de94be783afaf69601

        SHA512

        d3fc0384373e544ba10463109303392c8e451979c9f8cb91761b689f6a217295580cb1bcb972768ea349bf092a83c244db2a57f02352ec2803a59f1d7566feb5

        Download Submit

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

        7KB

        MD5

        ab448a29f59029210ccd23025f264513

        SHA1

        c5aeaf4c34547f043513c475a0d229758be65b3b

        SHA256

        1098a30d3befcc854c6a67bdbb0c2386f6771280cf5ca0ff8c99bc3ce894f916

        SHA512

        ef3572fcf6b116cf1edbd1db4210e326c6ee1a85941c51b595e183b82e264d3b9ca09633e46db4388337c34047c96b49ff4eacfd221b596f3155406cd49ebcb2

        Download Submit