Overview

overview

10

Static

static

10

081899c525...89.dll

windows7-x64

1

082060e332...76.exe

windows7-x64

10

09d22d6340...64.exe

windows7-x64

1

1f4e927f6e...a4.exe

windows7-x64

8

20efc37efc...db.dll

windows7-x64

6

23b5ce252f...5b.exe

windows7-x64

10

35fdad147c...8f.exe

windows7-x64

1

36bfd9f40c...07.exe

windows7-x64

1

56ec95785f...a4.exe

windows7-x64

1

675e7e38d9...a8.exe

windows7-x64

9

6b4df38111...7a.exe

windows7-x64

7

6b4f6a820d...96.exe

windows7-x64

1

721ccbb780...29.exe

windows7-x64

3

75a9ade196...1d.exe

windows7-x64

10

79271d57c5...61.exe

windows7-x64

7

*.*/update.exe

windows7-x64

6

*.*/˫�...��.bat

windows7-x64

1

847001fe67...7e.exe

windows7-x64

1

97d846563e...3b.exe

windows7-x64

1

9a5a08d7a4...4a.exe

windows7-x64

10

9da42140ca...70.exe

windows7-x64

6

ac7da11c38...e2.exe

windows7-x64

10

b3489810af...5f.exe

windows7-x64

1

bf11915a5a...55.dll

windows7-x64

6

c453aa991f...3e.dll

windows7-x64

6

c97d9bbc80...15.exe

windows7-x64

10

cfe55dc501...48.exe

windows7-x64

6

d2a120aa4a...78.exe

windows7-x64

10

db97db6b03...1b.dll

windows7-x64

6

dc276b7ca4...cf.exe

windows7-x64

10

e714a8c576...a4.exe

windows7-x64

1

f0c2927859...a6.exe

windows7-x64

7

Resubmissions

26-03-2024 14:35

240326-ryecksfd5y 10

26-03-2024 14:27

240326-rse2xsfb8y 10

Analysis

  • max time kernel
    146s
  • max time network
    119s
  • platform
    windows7_x64
  • resource
    win7-20231129-en
  • resource tags

    arch:x64arch:x86image:win7-20231129-enlocale:en-usos:windows7-x64system
  • submitted
    26-03-2024 14:27

Sharing

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General

  • Target

    23b5ce252f1cb3ff40a3bcb3ea53dd674175c3ad782b00e33ae45c8c87fa265b.exe

  • Size

    235KB

  • MD5

    fc7b0066d7d250b619a3c6c3ee1b22f9

  • SHA1

    f307dc2d7d41e5d2678144de98445fa3c14e7583

  • SHA256

    23b5ce252f1cb3ff40a3bcb3ea53dd674175c3ad782b00e33ae45c8c87fa265b

  • SHA512

    4178ac9a1e5e9f5817412de1ab210c1c95ebe1a47875f14844ff5e234191c2facaf8f7ae184c9fc33c334cdfa8615ccbdc8aaaac1d3aa6697d4ea49ef01aa1bd

  • SSDEEP

    3072:BS4er0KRFMyC4FtM/LMZaIfhhM35E8/OZZe6WXVDhjt6SeFUkgYF6UTcysS:BShA40/haM3hGEphsxUYF6Ecyx

Score
10/10
dharmapersistenceransomwarespywarestealer

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 D4457B8A 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
  • Deletes shadow copies 2 TTPs

    Ransomware often targets backup files to inhibit system recovery.

    ransomware
  • Renames multiple (314) files with added filename extension

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

    ransomware
  • Drops startup file 5 IoCs
  • Loads dropped DLL 8 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
  • Enumerates connected drives 3 TTPs 23 IoCs

    Attempts to read the root path of hard drives other than the default C: drive.

  • Drops file in System32 directory 2 IoCs
  • Drops file in Program Files directory 64 IoCs
  • Drops file in Windows directory 14 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
  • Modifies data under HKEY_USERS 3 IoCs
  • Modifies registry class 20 IoCs
  • Suspicious behavior: EnumeratesProcesses 64 IoCs
  • Suspicious use of AdjustPrivilegeToken 46 IoCs
  • Suspicious use of FindShellTrayWindow 2 IoCs
  • Suspicious use of WriteProcessMemory 40 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\23b5ce252f1cb3ff40a3bcb3ea53dd674175c3ad782b00e33ae45c8c87fa265b.exe
    "C:\Users\Admin\AppData\Local\Temp\23b5ce252f1cb3ff40a3bcb3ea53dd674175c3ad782b00e33ae45c8c87fa265b.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:2060
    • C:\Windows\system32\cmd.exe
      "C:\Windows\system32\cmd.exe"
      2⤵
      • Suspicious use of WriteProcessMemory
      PID:2744
      • C:\Windows\system32\mode.com
        mode con cp select=1251
        3⤵
          PID:2604
        • C:\Windows\system32\vssadmin.exe
          vssadmin delete shadows /all /quiet
          3⤵
          • Interacts with shadow copies
          PID:2704
      • C:\Windows\system32\cmd.exe
        "C:\Windows\system32\cmd.exe"
        2⤵
        • Suspicious use of WriteProcessMemory
        PID:3512
        • C:\Windows\system32\mode.com
          mode con cp select=1251
          3⤵
            PID:3400
          • C:\Windows\system32\vssadmin.exe
            vssadmin delete shadows /all /quiet
            3⤵
            • Interacts with shadow copies
            PID:3196
        • 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 FindShellTrayWindow
          PID:3680
        • 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
          • Suspicious use of FindShellTrayWindow
          PID:3772
      • C:\Windows\system32\vssvc.exe
        C:\Windows\system32\vssvc.exe
        1⤵
        • Suspicious use of AdjustPrivilegeToken
        PID:1904
      • C:\Windows\system32\msiexec.exe
        C:\Windows\system32\msiexec.exe /V
        1⤵
        • Enumerates connected drives
        • Drops file in Windows directory
        • Modifies data under HKEY_USERS
        • Modifies registry class
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of AdjustPrivilegeToken
        • Suspicious use of WriteProcessMemory
        PID:3704
        • C:\Windows\syswow64\MsiExec.exe
          C:\Windows\syswow64\MsiExec.exe -Embedding B603DB34B2DCD95115A020D7A7818286
          2⤵
          • Loads dropped DLL
          PID:3460
        • C:\Windows\system32\MsiExec.exe
          C:\Windows\system32\MsiExec.exe -Embedding 331BB133315E3299DDD0C9A085C159F8
          2⤵
          • Loads dropped DLL
          PID:2196

      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-D4457B8A.[[email protected]].money
        Filesize

        22.2MB

        MD5

        9679b7b18a33969dbf1363e9345d2c7c

        SHA1

        4166277ffece08ba1499cd6d02d3b2e4153e7512

        SHA256

        0164c195241f5e5866da4b91eb3e573c45704eb5bc80e244390543a394159e67

        SHA512

        7fa8fefda34d535025538d1a838513a3d3843a7edf8b293d458bd95f917675004cc27b90d598cc0273f4b2ff74f75ae9e44c3ed7babcabe42bc68ebfe30296c1

        Download Submit

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

        13KB

        MD5

        1481954f1246cb83be6d41a97de8604d

        SHA1

        a3e9fcd041f5d63fc5afc93a003362fb973dd758

        SHA256

        a55ecbdf73c97287a8405325ef497740dda0ef035034bce56ccb1446202fccef

        SHA512

        e4e07cd3ce28e1140dc23c70492bd25c8351dadbf5a2d8c7cec25c48eccd650573d381092121f78d64217d4e97e802b082a0aa56255475fa75bc09f1b17664d3

        Download Submit

      • C:\Windows\Installer\MSI5966.tmp
        Filesize

        257KB

        MD5

        d1f5ce6b23351677e54a245f46a9f8d2

        SHA1

        0d5c6749401248284767f16df92b726e727718ca

        SHA256

        57cb8f01cf553c3886760180d1a74839f2f676640115504485aca9692f577acc

        SHA512

        960e90894e7bedcc89894e77e57e8ee0c99dd2c530d02665e8bbd3a1793eccc1e295c5923d1f37c757fa1158097fbaae70898c16052882d3d210c29ea801b3ba

        Download Submit

      • C:\Windows\Installer\MSI5C06.tmp
        Filesize

        363KB

        MD5

        4a843a97ae51c310b573a02ffd2a0e8e

        SHA1

        063fa914ccb07249123c0d5f4595935487635b20

        SHA256

        727ecf287fb6f4953ee7748913dd559b4f8d3a022fa2ca55bc51cf5886c52086

        SHA512

        905c081552d95b523ecf1155b6c7e157652e5ff00cda30c1c21124d266eb7d305c3398d6832316f403dc45d1b639f1a5a67aea29922cd1a032f52e5247ec55d2

        Download Submit

      • C:\Windows\Installer\MSI5FFF.tmp
        Filesize

        28KB

        MD5

        85221b3bcba8dbe4b4a46581aa49f760

        SHA1

        746645c92594bfc739f77812d67cfd85f4b92474

        SHA256

        f6e34a4550e499346f5ab1d245508f16bf765ff24c4988984b89e049ca55737f

        SHA512

        060e35c4de14a03a2cda313f968e372291866cc4acd59977d7a48ac3745494abc54df83fff63cf30be4e10ff69a3b3c8b6c38f43ebd2a8d23d6c86fbee7ba87d

        Download Submit

      • C:\Windows\Installer\MSI605E.tmp
        Filesize

        148KB

        MD5

        33908aa43ac0aaabc06a58d51b1c2cca

        SHA1

        0a0d1ce3435abe2eed635481bac69e1999031291

        SHA256

        4447faacefaba8f040822101e2a4103031660de9139e70ecff9aa3a89455a783

        SHA512

        d5216a53df9cfbe1a78629c103286eb17042f639149c46b6a1cd76498531ae82afd265462fbe0ba9baaff275fc95c66504804f107c449f3fc5833b1ed9c3da46

        Download Submit

      • \Windows\Installer\MSI6466.tmp
        Filesize

        86KB

        MD5

        ff58cd07bf4913ef899efd2dfb112553

        SHA1

        f14c1681de808543071602f17a6299f8b4ba2ae8

        SHA256

        1afafe9157ff5670bbec8ce622f45d1ce51b3ee77b7348d3a237e232f06c5391

        SHA512

        23e27444b6cdc17fe56f3a80d6325c2be61ae84213bc7cdaad7bb96daa7e8d2d3defc1b96c3cee4a3f32dc464b0e05720bcf1c0e99626bf83de1b6d5aac000a3

        Download Submit

      • memory/2060-13128-0x0000000000400000-0x0000000003364000-memory.dmp

        Filesize

        47.4MB

        Download

      • memory/2060-170-0x0000000000400000-0x0000000003364000-memory.dmp

        Filesize

        47.4MB

        Download

      • memory/2060-1-0x0000000003400000-0x0000000003500000-memory.dmp

        Filesize

        1024KB

        Download

      • memory/2060-2-0x0000000000220000-0x0000000000239000-memory.dmp

        Filesize

        100KB

        Download

      • memory/2060-20234-0x0000000003400000-0x0000000003500000-memory.dmp

        Filesize

        1024KB

        Download

      • memory/3680-20274-0x000007FFFFF80000-0x000007FFFFF90000-memory.dmp

        Filesize

        64KB

        Download

      • memory/3772-20230-0x000007FFFFF90000-0x000007FFFFFA0000-memory.dmp

        Filesize

        64KB

        Download