Overview

overview

10

Static

static

10

eb82946fa0...12.exe

windows7-x64

10

eb82946fa0...12.exe

windows10-2004-x64

10

Resubmissions

25-06-2024 16:30

240625-tz654a1bpf 10

25-06-2024 01:57

240625-cddszsxhkl 10

Analysis

  • max time kernel
    121s
  • max time network
    121s
  • platform
    windows7_x64
  • resource
    win7-20240611-en
  • resource tags

    arch:x64arch:x86image:win7-20240611-enlocale:en-usos:windows7-x64system
  • submitted
    25-06-2024 01:57

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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 12 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:2468
    • C:\ProgramData\2A2C.tmp
      "C:\ProgramData\2A2C.tmp"
      2⤵
      • Deletes itself
      • Executes dropped EXE
      • Suspicious use of NtSetInformationThreadHideFromDebugger
      • Suspicious behavior: RenamesItself
      • Suspicious use of WriteProcessMemory
      PID:2792
      • C:\Windows\SysWOW64\cmd.exe
        "C:\Windows\System32\cmd.exe" /C DEL /F /Q C:\PROGRA~3\2A2C.tmp >> NUL
        3⤵
          PID:1292
    • C:\Windows\system32\AUDIODG.EXE
      C:\Windows\system32\AUDIODG.EXE 0x148
      1⤵
        PID:3032

      Network

      MITRE ATT&CK Enterprise v15

      Replay Monitor

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      Downloads

      • C:\$Recycle.Bin\S-1-5-21-1340930862-1405011213-2821322012-1000\desktop.ini
        Filesize

        129B

        MD5

        16c0b7fe7c7dbb2ecd4fe8b5ea1dc1e7

        SHA1

        1c13dc07c312a591e5da047dc7d130a21734d2cf

        SHA256

        0cf2b1f66ba6799a6794a504ea89cabd53fb345f6cce2d54cd3eb7602a7d55c8

        SHA512

        157c2089af37b33e35c04d65df3cea86462bcd8017e413626ca2387b54334a1908462dc30664908bc354af45649743e4a555963097c4fe4cd8ed3046fa391528

        Download Submit

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

        147KB

        MD5

        4ff243f9ea32220d973da94fcb4989d2

        SHA1

        1a1a7ee690ffca5a19d81843e4b5496a1d450550

        SHA256

        2c3f1b3c57d004d1d3189ec13402c35f49a81fd4489b1ddcbb4270e592c17b01

        SHA512

        f4d5e767a15f3617b9568493bd99b5e8987710b17b90f4ef8ad983e44da0bc69aa49552dfbdc7da4e67434bd8126535105d810bbeb09c528342aa9e920421ce3

        Download Submit

      • C:\sYMY1N6ah.README.txt
        Filesize

        1KB

        MD5

        deb2e0756d331362d57ad9fe408c4ff3

        SHA1

        870865aad7c7cccafbca0c1f50f7eecaedbd4bf1

        SHA256

        1ddacee1d25936970279557169037a335b362f86c3797ded625d68077bd0145c

        SHA512

        e218624d2704517a358df0dfb794116bbeed3ad81daae8c07d5d969e61e7936ed043911008f4816d663de373fd23515219c8038dd22e5838af7df1678a0134a6

        Download Submit

      • F:\$RECYCLE.BIN\S-1-5-21-1340930862-1405011213-2821322012-1000\DDDDDDDDDDD
        Filesize

        129B

        MD5

        972fca6805e75af25d957a1baf82fe4f

        SHA1

        4b41383788769a004a64fe563a2f97360607a8c4

        SHA256

        3d5a86e11212e5fd48cbf67a7aac3dc355639363e0ce7a261fc43ce7a9086862

        SHA512

        efd40d88a9839e363343f5b412a4307536608b153c6784b14fa3bdec93aa8b4a1d09e2f8f2b190d0cf473fc2bc91885c74282c2cd6823bb30a5d0b864a0fce11

        Download Submit

      • \ProgramData\2A2C.tmp
        Filesize

        14KB

        MD5

        294e9f64cb1642dd89229fff0592856b

        SHA1

        97b148c27f3da29ba7b18d6aee8a0db9102f47c9

        SHA256

        917e115cc403e29b4388e0d175cbfac3e7e40ca1742299fbdb353847db2de7c2

        SHA512

        b87d531890bf1577b9b4af41dddb2cdbbfa164cf197bd5987df3a3075983645a3acba443e289b7bfd338422978a104f55298fbfe346872de0895bde44adc89cf

        Download Submit

      • memory/2468-0-0x00000000000E0000-0x0000000000120000-memory.dmp

        Filesize

        256KB

        Download

      • memory/2792-819-0x0000000000400000-0x0000000000407000-memory.dmp

        Filesize

        28KB

        Download

      • memory/2792-818-0x0000000000400000-0x0000000000407000-memory.dmp

        Filesize

        28KB

        Download

      • memory/2792-817-0x0000000000401000-0x0000000000404000-memory.dmp

        Filesize

        12KB

        Download