Resubmissions

18-07-2024 07:25

240718-h84wjs1hpb 10

18-07-2024 07:19

240718-h51pqa1gng 10

17-07-2024 20:55

240717-zqkhmaydmq 10

17-07-2024 19:21

240717-x2pwdaycjb 10

Analysis

  • max time kernel
    148s
  • max time network
    154s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240709-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240709-enlocale:en-usos:windows10-2004-x64system
  • submitted
    17-07-2024 20:55

General

  • Target

    Bit Paymer.exe

  • Size

    92KB

  • MD5

    998246bd0e51f9582b998ca514317c33

  • SHA1

    5a2d799ac4cca8954fc117c7fb3e868f93c6f009

  • SHA256

    d693c33dd550529f3634e3c7e53d82df70c9d4fbd0c339dbc1849ada9e539ea2

  • SHA512

    773d9838be9c09bd43a22aa1eada8f623f95739b21828712236a4a209c6d9266647ef43592d072d68399224965253c37f9ce9ef36e46e8191169c03ac7789130

  • SSDEEP

    1536:tacFdjxs2TlWlpnXv91nhixG8/lA5jG8387SpK6jXOMVHoi5e+vRb:taqJC6lWlpnXv7nhixhlAU83VwMCifvR

Malware Config

Extracted

Path

C:\vcredist2010_x86.log-MSI_vc_red.msi.txt.readme_txt

Ransom Note
YOUR COMPANY HAS BEEN SUCCESSFULLY PENETRATED! All files are encrypted. We accept only bitcoins to share the decryption software for your network. Also, we have gathered all your private sensitive data.So if you decide not to pay anytime soon, we would share it with media's. It may harm your business reputation and the company's capitalization fell sharply. Do not try to do it with 3rd-parties programs, files might be damaged then. Decrypting of your files is only possible with the special decryption software. To receive your private key and the decryption software please follow the link (using tor2web service): https://qmnmrba4s4a3py6z.onion.to/order/43e4593a-5dc7-11e7-8803-00163e417ea3 If this address is not available, follow these steps: 1. Download and install Tor Browser: https://www.torproject.org/projects/torbrowser.html.en 2. After a successful installation, run the browser and wait for initialization. 3. Type in the address bar: http://qmnmrba4s4a3py6z.onion/order/43e4593a-5dc7-11e7-8803-00163e417ea3 4. Follow the instructions on the site 5. This link is valid for 72 hours only. Afetr that period your local data would be lost completely. 6. Any questions: [email protected]
URLs

https://qmnmrba4s4a3py6z.onion.to/order/43e4593a-5dc7-11e7-8803-00163e417ea3

http://qmnmrba4s4a3py6z.onion/order/43e4593a-5dc7-11e7-8803-00163e417ea3

Signatures

  • Renames multiple (12323) files with added filename extension

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

  • Checks computer location settings 2 TTPs 1 IoCs

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

  • Executes dropped EXE 3 IoCs
  • Reads user/profile data of web browsers 2 TTPs

    Infostealers often target stored browser data, which can include saved credentials etc.

  • Adds Run key to start application 2 TTPs 1 IoCs
  • Drops desktop.ini file(s) 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).

  • Discovers systems in the same network 1 TTPs 1 IoCs
  • NTFS ADS 2 IoCs
  • Suspicious use of WriteProcessMemory 15 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\Bit Paymer.exe
    "C:\Users\Admin\AppData\Local\Temp\Bit Paymer.exe"
    1⤵
    • Checks computer location settings
    • Adds Run key to start application
    • NTFS ADS
    • Suspicious use of WriteProcessMemory
    PID:556
    • C:\Windows\SysWOW64\cmd.exe
      "C:\Windows\System32\cmd.exe" /c C:\Users\Admin\AppData\Local\Lrx9Yo\gT0.exe 2
      2⤵
      • Suspicious use of WriteProcessMemory
      PID:1548
      • C:\Users\Admin\AppData\Local\Lrx9Yo\gT0.exe
        C:\Users\Admin\AppData\Local\Lrx9Yo\gT0.exe 2
        3⤵
        • Executes dropped EXE
        • NTFS ADS
        • Suspicious use of WriteProcessMemory
        PID:3820
        • C:\Users\Admin\AppData\Local\cFqWH:exe
          C:\Users\Admin\AppData\Local\cFqWH:exe 3 C:\Users\Admin\AppData\Local\Lrx9Yo\gT0.exe
          4⤵
          • Executes dropped EXE
          • Drops desktop.ini file(s)
          • Drops file in Program Files directory
          PID:1268
    • C:\Users\Admin\AppData\Local\gNT:exe
      C:\Users\Admin\AppData\Local\gNT:exe 1 C:\Users\Admin\AppData\Local\Temp\Bit Paymer.exe
      2⤵
      • Executes dropped EXE
      • Suspicious use of WriteProcessMemory
      PID:1484
      • C:\Windows\SysWOW64\net.exe
        C:\Windows\system32\net.exe view
        3⤵
        • Discovers systems in the same network
        PID:1708

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\ProgramData\Microsoft\Windows\Caches\cversions.2.db

    Filesize

    16KB

    MD5

    5fe795b0946117c943decf23c5a8e5bf

    SHA1

    132661430c77b17f8b8d6a5b672401bef0942f70

    SHA256

    96d68494a12403699a4b80ef56f7bebd5d7c2da903bb5ca49b653a87ceb9ecae

    SHA512

    d5e31c8770456de7af85d92fc31ecf99128a423313ea90bf92bddb40b293cb1478782e27ac70c3e7a460fd0b89f9a72ed4a4d4cd9bca55c869edbddfd0fe043d

  • C:\ProgramData\Microsoft\Windows\Caches\{6AF0698E-D558-4F6E-9B3C-3716689AF493}.2.ver0x0000000000000002.db

    Filesize

    289KB

    MD5

    d35a51e72d507d85f6ca64225d7fcd5b

    SHA1

    f94d07e0aed1087f12324b9d55212bfd43025c75

    SHA256

    86b0a92394b29216197ac8bca73aaee6be9f761bd282c4a7cc763234fcf1fa72

    SHA512

    ca1a3bf5d0ef9ed552ea486d336a75cc893f5d9b974cb8893a408307af17b8547ca5f64355c4c804812a363bb9a07ba2458c7ffc8d52d6c5f3165f6b88e4a40d

  • C:\ProgramData\Microsoft\Windows\Caches\{74C88255-AA9F-481E-979B-5BC07C364F25}.2.ver0x0000000000000001.db

    Filesize

    1KB

    MD5

    19b579389820cd1fb908b9d8870a7142

    SHA1

    70e3dcccc5a29268fa2c6f1c4d86e0f7a3b52935

    SHA256

    3c1e56c193980f4638a44575826b1605496ffa858a52ea3b2fdcd72094661cfe

    SHA512

    220e1672dda8a4e951c0924b7d467a7ac78ae1865546fa4026f75539745696c9dc6658edfeddd6f701e02b9c23916f1e91764d787a85e91ac2a122a65041c36e

  • C:\ProgramData\Microsoft\Windows\Caches\{DDF571F2-BE98-426D-8288-1A9A39C3FDA2}.2.ver0x0000000000000001.db

    Filesize

    622KB

    MD5

    e8b24556b7ff24bcccf44c2823749e41

    SHA1

    24b989916199f6c3268e50393a763b3ee8cfea10

    SHA256

    f7732d46879e5fd25c5f4e1a1f6bdf18ea5987af1b6de1ee973ecfa523c8e21a

    SHA512

    da205c221d93de7e71a2c75c38487b293038dff0e01c2fa6fcaae4ecc925885b640082905580445f503e8a884c9205d6d8980b51984ae93d3bf35850f9284002

  • C:\Users\Admin\AppData\Local\gNT:exe

    Filesize

    92KB

    MD5

    998246bd0e51f9582b998ca514317c33

    SHA1

    5a2d799ac4cca8954fc117c7fb3e868f93c6f009

    SHA256

    d693c33dd550529f3634e3c7e53d82df70c9d4fbd0c339dbc1849ada9e539ea2

    SHA512

    773d9838be9c09bd43a22aa1eada8f623f95739b21828712236a4a209c6d9266647ef43592d072d68399224965253c37f9ce9ef36e46e8191169c03ac7789130

  • C:\vcredist2010_x86.log-MSI_vc_red.msi.txt

    Filesize

    4B

    MD5

    76390d3429ba451f1e37daae6bc85b51

    SHA1

    c8e633f4a5ad8991f348fa8bf85dfec134e2c4dc

    SHA256

    31d694956ddcdb8b2d61ee7b91beb5af37ce0557b6ca44438d2c3ca9f96c56d9

    SHA512

    cff8a95d7efbabc3ac3c06b721166ac26254eadcbed6296bb17712be07c1b7245ab22fb9b558371b0a69e855451706180ef20ccb57f639cbe818c14d90bd3e54

  • C:\vcredist2010_x86.log-MSI_vc_red.msi.txt.readme_txt

    Filesize

    1KB

    MD5

    51fab08a170e3c398e696a5d36cde259

    SHA1

    b60d83b9db3831998bb5672e4a4a1610cf4e1cb1

    SHA256

    bab1199a9b43d11429c79f0b15c7e8c8d61ec612aca223aa66fd253eab11f1cb

    SHA512

    50b95e5bd31ab894e997773c374592bda8a0cf44f92c9b92aad8155928240c1a2d177f81bcdefe72d686413dd9494f8010f66f9e191b7a549fb99902c6f2c3d6

  • memory/556-1-0x00000000005B0000-0x00000000005B6000-memory.dmp

    Filesize

    24KB

  • memory/556-0-0x0000000001000000-0x0000000001020000-memory.dmp

    Filesize

    128KB

  • memory/556-11-0x0000000001000000-0x0000000001020000-memory.dmp

    Filesize

    128KB

  • memory/1268-74623-0x0000000001000000-0x0000000001020000-memory.dmp

    Filesize

    128KB

  • memory/1268-9954-0x0000000001000000-0x0000000001020000-memory.dmp

    Filesize

    128KB

  • memory/1268-26-0x0000000000590000-0x0000000000596000-memory.dmp

    Filesize

    24KB

  • memory/1268-86048-0x0000000001000000-0x0000000001020000-memory.dmp

    Filesize

    128KB

  • memory/1268-86357-0x0000000001000000-0x0000000001020000-memory.dmp

    Filesize

    128KB

  • memory/1484-9953-0x0000000001000000-0x0000000001020000-memory.dmp

    Filesize

    128KB

  • memory/1484-15-0x00000000004A0000-0x00000000004A6000-memory.dmp

    Filesize

    24KB

  • memory/3820-23-0x0000000001000000-0x0000000001020000-memory.dmp

    Filesize

    128KB

  • memory/3820-19-0x0000000000A00000-0x0000000000A06000-memory.dmp

    Filesize

    24KB