Overview

overview

10

Static

static

10

04035f6fdd...f9.exe

windows7-x64

10

0ed3c87ce3...07.exe

windows7-x64

4

1ce291b079...c9.exe

windows7-x64

7

30e66f95b4...49.exe

windows7-x64

9

335160bee7...cf.exe

windows7-x64

10

3d7dd597a4...67.exe

windows7-x64

1

42dcc46f9d...46.exe

windows7-x64

9

4fcaca23e9...f2.exe

windows7-x64

10

5994300c1c...a7.exe

windows7-x64

10

627a5569d4...e3.exe

windows7-x64

7

63fa775052...2f.exe

windows7-x64

1

645b8dfe73...79.exe

windows7-x64

1

64862ec699...1b.exe

windows7-x64

10

741d75a02d...5e.exe

windows7-x64

10

7554a27519...2d.exe

windows7-x64

7

80bf2731a8...e4.exe

windows7-x64

10

8cc9f83e2e...92.exe

windows7-x64

7

9c80067790...95.exe

windows7-x64

9

de1793d8db...df.exe

windows7-x64

3

de6da70478...6e.exe

windows7-x64

1

dfef52ffde...fe.exe

windows7-x64

7

f3c6dac2d2...0f.exe

windows7-x64

10

f682e063bc...40.exe

windows7-x64

10

f7537bf47c...0b.exe

windows7-x64

10

f89ee06ed2...6f.exe

windows7-x64

10

Resubmissions

18-04-2024 18:50

240418-xha8wabh29 10

01-01-2024 15:12

240101-slnwxsfeh4 10

Analysis

  • max time kernel
    1566s
  • max time network
    1572s
  • platform
    windows7_x64
  • resource
    win7-20240221-en
  • resource tags

    arch:x64arch:x86image:win7-20240221-enlocale:en-usos:windows7-x64system
  • submitted
    18-04-2024 18:50

Sharing

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General

  • Target

    f7537bf47cc039b9cda59c844faa90a75ba80f08148166fd83ff10a0bf55120b.exe

  • Size

    4.5MB

  • MD5

    34ca54d0a320c9562508906a1cd5b3f7

  • SHA1

    9bb0676124632562a65d3b09ca2cd884eb2a0123

  • SHA256

    f7537bf47cc039b9cda59c844faa90a75ba80f08148166fd83ff10a0bf55120b

  • SHA512

    9bf7c8a028d2cf55227c9967165b783ffe90aa8ae233fafe886197011322370121c43ecc33d411d426e502abd703e598fd89c85659f69de53d934d442a901044

  • SSDEEP

    49152:9Yd/3Orb/TzvO90dL3BmAFd4A64nsfJiIdNqqsSn0uYTDCG5EWwgrabyP2NgIYdt:I3UobnTeEh2uN96nubOC0DCZFOs

Score
10/10
ransomwarespywarestealer

Malware Config

Extracted

Path

C:\MSOCache\All Users\{90140000-0019-0409-0000-0000000FF1CE}-C\HOW TO RESTORE YOUR FILES.TXT

Ransom Note
We inform you that your network has undergone a penetration test, during which we encrypted your files and downloaded more than 25 GB of your and your customers data, including: Accounting Confidential documents Personal data Copy of some mailboxes Databases backups Important! Do not try to decrypt the files yourself or using third-party utilities. The only program that can decrypt them is our decryptor, which you can request from the contacts below. Any other program will only damage files in such a way that it will be impossible to restore them. You can get all the necessary evidence, discuss with us possible solutions to this problem and request a decryptor by using the contacts below. Please be advised that if we don't receive a response from you within 3 days, we reserve the right to publish files to the public. Contact us: [email protected] or [email protected] =========================================================== Customer service TOX ID: 0FF26770BFAEAD95194506E6970CC1C395B04159038D785DE316F05CE6DE67324C6038727A58 Only emergency! Use if support is not responding

Signatures

  • Deletes shadow copies 2 TTPs

    Ransomware often targets backup files to inhibit system recovery.

    ransomware
  • Renames multiple (7896) files with added filename extension

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

    ransomware
  • Drops startup file 1 IoCs
  • Reads user/profile data of web browsers 2 TTPs

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

    spywarestealer
  • Drops file in Program Files directory 64 IoCs
  • Launches sc.exe 1 IoCs

    Sc.exe is a Windows utlilty to control services on the system.

  • Interacts with shadow copies 2 TTPs 1 IoCs

    Shadow copies are often targeted by ransomware to inhibit system recovery.

    ransomware
  • Suspicious use of AdjustPrivilegeToken 3 IoCs
  • Suspicious use of WriteProcessMemory 21 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\f7537bf47cc039b9cda59c844faa90a75ba80f08148166fd83ff10a0bf55120b.exe
    "C:\Users\Admin\AppData\Local\Temp\f7537bf47cc039b9cda59c844faa90a75ba80f08148166fd83ff10a0bf55120b.exe"
    1⤵
    • Drops startup file
    • Drops file in Program Files directory
    • Suspicious use of WriteProcessMemory
    PID:2844
    • C:\Windows\system32\cmd.exe
      cmd /c C:\Users\Admin\AppData\Local\Temp\yuwrno.bat
      2⤵
      • Suspicious use of WriteProcessMemory
      PID:2340
      • C:\Windows\system32\sc.exe
        SC QUERY
        3⤵
        • Launches sc.exe
        PID:2732
      • C:\Windows\system32\findstr.exe
        FINDSTR SERVICE_NAME
        3⤵
          PID:2620
      • C:\Windows\system32\cmd.exe
        cmd /c C:\Users\Admin\AppData\Local\Temp\vgwensvkhsyoxntpi.bat
        2⤵
          PID:1660
        • C:\Windows\system32\cmd.exe
          cmd /c C:\Users\Admin\AppData\Local\Temp\vbejdirkkjklb.bat
          2⤵
          • Suspicious use of WriteProcessMemory
          PID:992
          • C:\Windows\system32\vssadmin.exe
            vssadmin delete shadows /all /quiet
            3⤵
            • Interacts with shadow copies
            PID:2224
        • C:\Windows\system32\cmd.exe
          cmd /c C:\Users\Admin\AppData\Local\Temp\vmiiymcsmul.bat
          2⤵
            PID:2740
        • C:\Windows\system32\vssvc.exe
          C:\Windows\system32\vssvc.exe
          1⤵
          • Suspicious use of AdjustPrivilegeToken
          PID:1880

        Network

        MITRE ATT&CK Enterprise v15

        Replay Monitor

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        Downloads

        • C:\MSOCache\All Users\{90140000-0019-0409-0000-0000000FF1CE}-C\HOW TO RESTORE YOUR FILES.TXT
          Filesize

          1KB

          MD5

          3446e637077880d34ea11cd3dcd64551

          SHA1

          081d9c971b06efff39bdd25d58b7cd5fefa82b04

          SHA256

          9fa72ad385d038b5073485bb9eb21cce01b88a3a572235ab87605007a420cb50

          SHA512

          14a5f86c7bc7d1441b0a89e7a066a1497a42447d5930a3e068806144cb110640a266a3e698c580841c5d463f954563846ab7265f7c3c16e37fa369f5b2d4b0ff

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        • C:\Users\Admin\AppData\Local\Temp\vgwensvkhsyoxntpi.bat
          Filesize

          47B

          MD5

          2202e846ba05d7f0bb20adbc5249c359

          SHA1

          4115d2d15614503456aea14db61d71a756cc7b8c

          SHA256

          0965cb8ee38adedd9ba06bdad9220a35890c2df0e4c78d0559cd6da653bf740f

          SHA512

          cd6ce6d89a8e5f75724405bc2694b706819c3c554b042075d5eb47fdb75653235160ac8a85e7425a49d98f25b3886faaaec5599bcf66d20bf6115dc3af4ba9c7

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        • C:\Users\Admin\AppData\Local\Temp\vmiiymcsmul.bat
          Filesize

          43B

          MD5

          3b854ac9791ad8977b46f8b347eca1de

          SHA1

          6d0eb57be34e059a7275e227928d52400200dc72

          SHA256

          4dd7521f4d8351fed8275553a0fa4713f65872a25011f4853713f6915abbbf09

          SHA512

          24853c988df7274e10119cdbbc8816afaa20da661ac03286f9b47660126be8bf6eef40f40261c79b205308647ef42c87d1d840280fa12f7179b3eefef5e75030

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        • C:\Users\Admin\AppData\Local\Temp\yuwrno.bat
          Filesize

          43B

          MD5

          55310bb774fff38cca265dbc70ad6705

          SHA1

          cb8d76e9fd38a0b253056e5f204dab5441fe932b

          SHA256

          1fbdb97893d09d59575c3ef95df3c929fe6b6ddf1b273283e4efadf94cdc802d

          SHA512

          40e5a5e8454ca3eaac36d732550e2c5d869a235e3bbc4d31c4afa038fe4e06f782fa0885e876ad8119be766477fdcc12c1d5d04d53cf6b324e366b5351fc7cd4

          Download Submit