Overview

overview

10

Static

static

10

eb82946fa0...12.exe

windows7-x64

10

eb82946fa0...12.exe

windows10-2004-x64

10

Analysis

  • max time kernel
    34s
  • max time network
    38s
  • platform
    windows7_x64
  • resource
    win7-20240611-en
  • resource tags

    arch:x64arch:x86image:win7-20240611-enlocale:en-usos:windows7-x64system
  • submitted
    26-06-2024 08:21

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General

  • Target

    eb82946fa0de261e92f8f60aa878c9fef9ebb34fdababa66995403b110118b12.exe

  • Size

    147KB

  • MD5

    448f1796fe8de02194b21c0715e0a5f6

  • SHA1

    935c0b39837319fda571aa800b67d997b79c3198

  • SHA256

    eb82946fa0de261e92f8f60aa878c9fef9ebb34fdababa66995403b110118b12

  • SHA512

    0b93b2c881b1351ff688089abf12bbfcff279c5d6ca8733d6d821c83148d73c85cfedf5ab5bc02c2145970124b518551db3a9fc701d8084f01009ae20f71a831

  • SSDEEP

    3072:l6glyuxE4GsUPnliByocWep0yjEJ3hDRMK89nB2:l6gDBGpvEByocWeebbMjV4

Score
10/10
ransomwarespywarestealer

Malware Config

Extracted

Path

C:\sYMY1N6ah.README.txt

Ransom Note
*** Welcome to Brain Cipher Ransomware! *** Dear managers! If you're reading this, it means your systems have been hacked and encrypted and your data stolen. *** The most proper way to safely recover your data is through our support. We can recover your systems within 4-6 hours. In order for it to be successful, you must follow a few points: 1.Don't go to the police, etc. 2.Do not attempt to recover data on your own. 3.Do not take the help of third-party data recovery companies. In most cases, they are scammers who will pay us a ransom and take a for themselves. *** If you violate any 1 of these points, we will refuse to cooperate with you!!! 3 steps to data recovery: 1. Download and install Tor Browser (https://www.torproject.org/download/) 2. Go to our support page: http://mybmtbgd7aprdnw2ekxht5qap5daam2wch25coqerrq2zdioanob34ad.onion 3. Enter your encryption ID: M8AL5cWJEU5CnMMPwCdt4x9NVn0ZY2uNtIgnKwkDJwdPbnanVROYFzGmgUCImexTGDmINYgSZXdlhM7D199lNMb294TGY2 Email to support: [email protected]
URLs

http://mybmtbgd7aprdnw2ekxht5qap5daam2wch25coqerrq2zdioanob34ad.onion

Signatures

  • Deletes itself 1 IoCs
  • Executes dropped EXE 1 IoCs
  • Loads dropped DLL 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 desktop.ini file(s) 2 IoCs
  • Suspicious use of NtSetInformationThreadHideFromDebugger 5 IoCs
  • Enumerates physical storage devices 1 TTPs

    Attempts to interact with connected storage/optical drive(s).

  • Suspicious behavior: EnumeratesProcesses 14 IoCs
  • Suspicious behavior: RenamesItself 26 IoCs
  • Suspicious use of AdjustPrivilegeToken 64 IoCs
  • Suspicious use of WriteProcessMemory 9 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\eb82946fa0de261e92f8f60aa878c9fef9ebb34fdababa66995403b110118b12.exe
    "C:\Users\Admin\AppData\Local\Temp\eb82946fa0de261e92f8f60aa878c9fef9ebb34fdababa66995403b110118b12.exe"
    1⤵
    • Loads dropped DLL
    • Drops desktop.ini file(s)
    • Suspicious use of NtSetInformationThreadHideFromDebugger
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:2020
    • C:\ProgramData\9C3F.tmp
      "C:\ProgramData\9C3F.tmp"
      2⤵
      • Deletes itself
      • Executes dropped EXE
      • Suspicious use of NtSetInformationThreadHideFromDebugger
      • Suspicious behavior: RenamesItself
      • Suspicious use of WriteProcessMemory
      PID:592
      • C:\Windows\SysWOW64\cmd.exe
        "C:\Windows\System32\cmd.exe" /C DEL /F /Q C:\PROGRA~3\9C3F.tmp >> NUL
        3⤵
          PID:892

    Network

    MITRE ATT&CK Enterprise v15

    Replay Monitor

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    Downloads

    • C:\$Recycle.Bin\S-1-5-21-39690363-730359138-1046745555-1000\YYYYYYYYYYY
      Filesize

      129B

      MD5

      e4aa24f901be4c2d27ff6c9790f54ab6

      SHA1

      4f262fc390d8b35b9224e9d5b131228256598af7

      SHA256

      423fe1229ac519b87e5068f94557a768763a1ff42b4bee9141c2bad6975211ce

      SHA512

      7f1440832b0809b6e70390131b4b601a7044feeb3460d101888613e4b3cb09b4932c6bf1241363e3167dcf0171c316955bcfc5b29f39628c9c3b02696fe79cd6

      Download Submit

    • C:\Users\Admin\AppData\Local\Temp\DDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDD
      Filesize

      147KB

      MD5

      9291ab5e45145a71a808ee6f96adcda5

      SHA1

      56856fef9ae7e99e93d18061b8f9013770f81309

      SHA256

      96d3c3cdca1102fd00bb82e4f13fa5d445bb9723bce507d1c18899d2942b64f8

      SHA512

      2abc39f465c25b44b0baa58ea3420798871113c983286ac1202713c7f5c396c7dbb9285df5f7707e1719eab82d327455e388a8aa88a7850e6932902999dce2b4

      Download Submit

    • C:\sYMY1N6ah.README.txt
      Filesize

      1KB

      MD5

      deb2e0756d331362d57ad9fe408c4ff3

      SHA1

      870865aad7c7cccafbca0c1f50f7eecaedbd4bf1

      SHA256

      1ddacee1d25936970279557169037a335b362f86c3797ded625d68077bd0145c

      SHA512

      e218624d2704517a358df0dfb794116bbeed3ad81daae8c07d5d969e61e7936ed043911008f4816d663de373fd23515219c8038dd22e5838af7df1678a0134a6

      Download Submit

    • F:\$RECYCLE.BIN\S-1-5-21-39690363-730359138-1046745555-1000\FFFFFFFFFFF
      Filesize

      129B

      MD5

      bb452721fe300e37a88ada74862d9456

      SHA1

      762f7b93c57eeddfe428d61a3168c4106bcfc201

      SHA256

      2c4bd79f980a66b602d2e6cfa8e5f73e3f9dcb007fa66751df71978c4a244b85

      SHA512

      d5c8ad1b1fece8c71854d74ee15d0f4ae839076014fed83f189f6d30cb36b10a04abb2420ad6873a5e8c09dca965226375865bce777550e08f796402cd1e562f

      Download Submit

    • \ProgramData\9C3F.tmp
      Filesize

      14KB

      MD5

      294e9f64cb1642dd89229fff0592856b

      SHA1

      97b148c27f3da29ba7b18d6aee8a0db9102f47c9

      SHA256

      917e115cc403e29b4388e0d175cbfac3e7e40ca1742299fbdb353847db2de7c2

      SHA512

      b87d531890bf1577b9b4af41dddb2cdbbfa164cf197bd5987df3a3075983645a3acba443e289b7bfd338422978a104f55298fbfe346872de0895bde44adc89cf

      Download Submit

    • memory/592-862-0x000000007EF20000-0x000000007EF21000-memory.dmp

      Filesize

      4KB

      Download

    • memory/592-861-0x000000007EF80000-0x000000007EF81000-memory.dmp

      Filesize

      4KB

      Download

    • memory/592-860-0x00000000020D0000-0x0000000002110000-memory.dmp

      Filesize

      256KB

      Download

    • memory/592-859-0x000000007EFA0000-0x000000007EFA1000-memory.dmp

      Filesize

      4KB

      Download

    • memory/592-892-0x000000007EF60000-0x000000007EF61000-memory.dmp

      Filesize

      4KB

      Download

    • memory/592-891-0x000000007EF40000-0x000000007EF41000-memory.dmp

      Filesize

      4KB

      Download

    • memory/2020-0-0x0000000000190000-0x00000000001D0000-memory.dmp

      Filesize

      256KB

      Download