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Overview

overview

10

Static

static

10

0383282038...bd.exe

windows7-x64

082060e332...76.exe

windows7-x64

10

1035f1b289...b8.exe

windows7-x64

6

24592b8814...b9.exe

windows7-x64

3

31459fd8f4...d2.exe

windows7-x64

10

3216f3b1bf...ae.exe

windows7-x64

43026556ea...97.exe

windows7-x64

1

4499426b05...8b.exe

windows7-x64

7

79271d57c5...61.exe

windows7-x64

7

843cd39e4f...29.exe

windows7-x64

10

847001fe67...7e.exe

windows7-x64

1

902f0cb92e...ad.exe

windows7-x64

1

994d023640...94.dll

windows7-x64

1

a006d20ea6...6b.exe

windows7-x64

3

aaf476e091...d5.exe

windows7-x64

8

abb979296b...f1.dll

windows7-x64

7

b630f84b45...86.exe

windows7-x64

1

bd37f1c8f1...8e.exe

windows7-x64

1

c086172b03...77.exe

windows7-x64

10

c2a620243b...bb.exe

windows7-x64

1

c3705bab83...3b.exe

windows7-x64

1

c97d9bbc80...15.exe

windows7-x64

10

cad20feffc...5d.exe

windows7-x64

5

d01b92a1d7...c4.dll

windows7-x64

6

d2a120aa4a...78.exe

windows7-x64

10

d9f7e34bf8...f1.exe

windows7-x64

1

da45ff208b...95.exe

windows7-x64

dd0d00fec6...c8.exe

windows7-x64

10

e8ae1656c2...dc.exe

windows7-x64

5

ed09a02045...0d.exe

windows7-x64

7

f0c2927859...a6.exe

windows7-x64

9

f3771ca98b...50.exe

windows7-x64

8

Analysis

  • max time kernel
    24s
  • max time network
    16s
  • platform
    windows7_x64
  • resource
    win7-20240220-en
  • resource tags

    arch:x64arch:x86image:win7-20240220-enlocale:en-usos:windows7-x64system
  • submitted
    26/03/2024, 16:54

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General

  • Target

    d2a120aa4a8aeb87408828d4e7e0da615cb83e32ca5fccc79eee70bca3ea4d78.exe

  • Size

    190KB

  • MD5

    0333e4014e84e0cd41a4be7fab09926b

  • SHA1

    2e84153ec64edadca3ac7a9b847eb6c651396525

  • SHA256

    d2a120aa4a8aeb87408828d4e7e0da615cb83e32ca5fccc79eee70bca3ea4d78

  • SHA512

    d9838b90083625939c644a3b80ad820cbbc5991669ac499612f82e301c553f235743cfd35a2a87cd63e7b6bedf3f57b0bd42e88ef9d9450e9d868b95ec8e6c33

  • SSDEEP

    3072:3bXCLlcSmk8NNFLehmqbayd4yCVY16YAaMDJvKqJHTwqlQNNJE5AkqA:3byLlcq8tYZbay6Y0YgDdKUHThKNI

Score
10/10
dharmapersistenceransomwarespywarestealer

Malware Config

Extracted

Path

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

Ransom Note
All FILES ENCRYPTED "RSA1024" All YOUR FILES HAVE BEEN ENCRYPTED!!! IF YOU WANT TO RESTORE THEM, WRITE US TO THE E-MAIL [email protected] IN THE LETTER WRITE YOUR ID, YOUR ID 9653C218 IF YOU ARE NOT ANSWERED, WRITE TO EMAIL: [email protected] YOUR SECRET KEY WILL BE STORED ON A SERVER 7 DAYS, AFTER 7 DAYS IT MAY BE OVERWRITTEN BY OTHER KEYS, DON'T PULL TIME, WAITING YOUR EMAIL FREE DECRYPTION FOR PROOF 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.) DECRYPTION PROCESS: When you make sure of decryption possibility transfer the money to our bitcoin wallet. As soon as we receive the money we will send you: 1. Decryption program. 2. Detailed instruction for decryption. 3. And individual keys for decrypting your files. !WARNING! 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 (317) 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 48 IoCs
  • Suspicious use of AdjustPrivilegeToken 3 IoCs
  • Suspicious use of SetWindowsHookEx 1 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\d2a120aa4a8aeb87408828d4e7e0da615cb83e32ca5fccc79eee70bca3ea4d78.exe
    "C:\Users\Admin\AppData\Local\Temp\d2a120aa4a8aeb87408828d4e7e0da615cb83e32ca5fccc79eee70bca3ea4d78.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:2084
    • C:\Windows\system32\cmd.exe
      "C:\Windows\system32\cmd.exe"
      2⤵
      • Suspicious use of WriteProcessMemory
      PID:1968
      • C:\Windows\system32\mode.com
        mode con cp select=1251
        3⤵
          PID:2668
        • C:\Windows\system32\vssadmin.exe
          vssadmin delete shadows /all /quiet
          3⤵
          • Interacts with shadow copies
          PID:2716
      • C:\Windows\system32\cmd.exe
        "C:\Windows\system32\cmd.exe"
        2⤵
        • Suspicious use of WriteProcessMemory
        PID:1688
        • C:\Windows\system32\mode.com
          mode con cp select=1251
          3⤵
            PID:3124
          • C:\Windows\system32\vssadmin.exe
            vssadmin delete shadows /all /quiet
            3⤵
            • Interacts with shadow copies
            PID:3128
        • 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
          • Suspicious use of SetWindowsHookEx
          PID:3204
        • 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:2712
      • C:\Windows\system32\vssvc.exe
        C:\Windows\system32\vssvc.exe
        1⤵
        • Suspicious use of AdjustPrivilegeToken
        PID:2552

      Network

      MITRE ATT&CK Enterprise v15

      Replay Monitor

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      Downloads

      • C:\MSOCache\All Users\{90140000-0011-0000-0000-0000000FF1CE}-C\OWOW64WW.cab.id-9653C218.[[email protected]].bat
        Filesize

        23.5MB

        MD5

        f32f7b2cf1531303a9155cfc0f26771a

        SHA1

        3be01d9438df4672f656d23dffa6c55d7635d70e

        SHA256

        c0b353598c72a7200e82aac8eba8b01938fd170287576446fececb669f4423b0

        SHA512

        b3e02c7f36d9327a4cf486a964447030aa91c057daf64efd44630e9012e4f5dc55bffbbe41a82ec313aa41855ae340471878e478299f6ecb5b0b5b8c240e577b

        Download Submit

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

        13KB

        MD5

        649b05b7174c80262ea636851f2eda67

        SHA1

        80b2bbe5bcb98c26549c2ff9be1432a9a1caf969

        SHA256

        d2dec24de235532f83db2c398f013f57c42096dedbf476ef5897abcc8bea4890

        SHA512

        388c6665515132bcd19dd7fda6a6309915098ff510d0ec320a34199d6f4ab47232550ae0a24a32594cfcb2112b1f6f9e2f92fcb2f7ae2787e1690180074c87cc

        Download Submit

      • memory/2084-4-0x0000000000C20000-0x0000000000D20000-memory.dmp

        Filesize

        1024KB

        Download

      • memory/2084-5-0x0000000000400000-0x00000000007D1000-memory.dmp

        Filesize

        3.8MB

        Download

      • memory/3204-20291-0x000007FFFFF80000-0x000007FFFFF90000-memory.dmp

        Filesize

        64KB

        Download