Analysis

  • max time kernel
    150s
  • max time network
    122s
  • platform
    windows7_x64
  • resource
    win7-20231129-en
  • resource tags

    arch:x64arch:x86image:win7-20231129-enlocale:en-usos:windows7-x64system
  • submitted
    31-12-2023 06:08

General

  • Target

    2b38fc9b3c416b987549bf7ae8774d4f.exe

  • Size

    296KB

  • MD5

    2b38fc9b3c416b987549bf7ae8774d4f

  • SHA1

    dacc82dffca49130711d15db3001bb6829e4f8a6

  • SHA256

    010c35588e9a1f20a6304cbcf737d2d311b4ac17e7d1a56184fccdea2974b71a

  • SHA512

    00956fbb70d9b29dd7daa30ca03f168e0b988c1a2c7164767ffc9a9ab31e92a207ed047bf2ae33470a2b6d5595a6ceacd03280920d2e12ddadb3c2722e62d8ba

  • SSDEEP

    3072:JHBXjAJM1Qorw2nE/dmmyAY1VHYCdD43fJLRZaimmwBRspAdM1bg0+SElYhfPZ3h:JlEMxmZYHYuD6flaFwsFkhn

Malware Config

Extracted

Family

mylobot

C2

op17.ru:6006

eakalra.ru:1281

zgclgdb.ru:8518

hpifnad.ru:3721

lbjcwix.ru:8326

rykacfb.ru:8483

benkofx.ru:3333

fpzskbc.ru:9364

ouxtjzd.ru:8658

schwpxp.ru:2956

pspkgya.ru:2675

lmlwtdm.ru:2768

rzwnsph.ru:5898

awtiwzk.ru:9816

pzljenb.ru:3486

yhjtpyf.ru:3565

ogkbsoq.ru:2553

rjngcbj.ru:5655

jlfeopz.ru:4698

wqcruiz.ru:2165

Signatures

  • Mylobot

    Botnet which first appeared in 2017 written in C++.

  • Adds Run key to start application 2 TTPs 1 IoCs
  • Suspicious use of SetThreadContext 1 IoCs
  • Program crash 1 IoCs
  • Modifies registry class 3 IoCs
  • Suspicious behavior: EnumeratesProcesses 3 IoCs
  • Suspicious behavior: MapViewOfSection 1 IoCs
  • Suspicious use of WriteProcessMemory 35 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\2b38fc9b3c416b987549bf7ae8774d4f.exe
    "C:\Users\Admin\AppData\Local\Temp\2b38fc9b3c416b987549bf7ae8774d4f.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious use of WriteProcessMemory
    PID:2544
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 2544 -s 132
      2⤵
      • Program crash
      PID:2880
    • C:\Users\Admin\AppData\Local\Temp\2b38fc9b3c416b987549bf7ae8774d4f.exe
      "C:\Users\Admin\AppData\Local\Temp\2b38fc9b3c416b987549bf7ae8774d4f.exe"
      2⤵
        PID:2280
      • C:\Users\Admin\AppData\Local\Temp\2b38fc9b3c416b987549bf7ae8774d4f.exe
        "C:\Users\Admin\AppData\Local\Temp\2b38fc9b3c416b987549bf7ae8774d4f.exe"
        2⤵
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious behavior: MapViewOfSection
        • Suspicious use of WriteProcessMemory
        PID:2804
        • C:\Windows\SysWOW64\svchost.exe
          "C:\Windows\system32\svchost.exe"
          3⤵
          • Adds Run key to start application
          • Modifies registry class
          • Suspicious behavior: EnumeratesProcesses
          • Suspicious use of WriteProcessMemory
          PID:2488
      • C:\Users\Admin\AppData\Local\Temp\2b38fc9b3c416b987549bf7ae8774d4f.exe
        "C:\Users\Admin\AppData\Local\Temp\2b38fc9b3c416b987549bf7ae8774d4f.exe"
        2⤵
          PID:2752

      Network

      MITRE ATT&CK Enterprise v15

      Replay Monitor

      Loading Replay Monitor...

      Downloads

      • C:\ProgramData\{1736D32D-6759-8AFB-07A4-A23976C49D04}\ba8903b2.exe

        Filesize

        296KB

        MD5

        2b38fc9b3c416b987549bf7ae8774d4f

        SHA1

        dacc82dffca49130711d15db3001bb6829e4f8a6

        SHA256

        010c35588e9a1f20a6304cbcf737d2d311b4ac17e7d1a56184fccdea2974b71a

        SHA512

        00956fbb70d9b29dd7daa30ca03f168e0b988c1a2c7164767ffc9a9ab31e92a207ed047bf2ae33470a2b6d5595a6ceacd03280920d2e12ddadb3c2722e62d8ba

      • memory/2280-26-0x0000000000400000-0x000000000042B000-memory.dmp

        Filesize

        172KB

      • memory/2280-32-0x0000000000400000-0x000000000042B000-memory.dmp

        Filesize

        172KB

      • memory/2280-4-0x0000000000400000-0x000000000042B000-memory.dmp

        Filesize

        172KB

      • memory/2280-61-0x0000000000400000-0x000000000042B000-memory.dmp

        Filesize

        172KB

      • memory/2280-17-0x0000000000400000-0x000000000042B000-memory.dmp

        Filesize

        172KB

      • memory/2488-59-0x0000000000110000-0x000000000013B000-memory.dmp

        Filesize

        172KB

      • memory/2488-44-0x0000000000110000-0x000000000013B000-memory.dmp

        Filesize

        172KB

      • memory/2488-42-0x0000000000110000-0x000000000013B000-memory.dmp

        Filesize

        172KB

      • memory/2488-43-0x0000000000110000-0x000000000013B000-memory.dmp

        Filesize

        172KB

      • memory/2488-45-0x0000000000110000-0x000000000013B000-memory.dmp

        Filesize

        172KB

      • memory/2488-41-0x0000000000110000-0x000000000013B000-memory.dmp

        Filesize

        172KB

      • memory/2488-40-0x0000000000080000-0x00000000000CA000-memory.dmp

        Filesize

        296KB

      • memory/2488-46-0x0000000000110000-0x000000000013B000-memory.dmp

        Filesize

        172KB

      • memory/2544-1-0x00000000003F0000-0x00000000003F1000-memory.dmp

        Filesize

        4KB

      • memory/2544-0-0x00000000003E0000-0x00000000003E1000-memory.dmp

        Filesize

        4KB

      • memory/2544-2-0x0000000003BE0000-0x0000000003BE1000-memory.dmp

        Filesize

        4KB

      • memory/2544-3-0x0000000003BF0000-0x0000000003BF1000-memory.dmp

        Filesize

        4KB

      • memory/2804-38-0x0000000000400000-0x000000000042B000-memory.dmp

        Filesize

        172KB

      • memory/2804-47-0x0000000000400000-0x000000000042B000-memory.dmp

        Filesize

        172KB

      • memory/2804-39-0x0000000000400000-0x000000000042B000-memory.dmp

        Filesize

        172KB

      • memory/2804-22-0x0000000000400000-0x000000000042B000-memory.dmp

        Filesize

        172KB

      • memory/2804-28-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

        Filesize

        4KB

      • memory/2804-34-0x0000000000400000-0x000000000042B000-memory.dmp

        Filesize

        172KB

      • memory/2804-18-0x0000000000400000-0x000000000042B000-memory.dmp

        Filesize

        172KB

      • memory/2804-14-0x0000000000400000-0x000000000042B000-memory.dmp

        Filesize

        172KB

      • memory/2804-9-0x0000000000400000-0x000000000042B000-memory.dmp

        Filesize

        172KB

      • memory/2880-53-0x0000000000050000-0x0000000000051000-memory.dmp

        Filesize

        4KB

      • memory/2880-48-0x0000000000060000-0x0000000000061000-memory.dmp

        Filesize

        4KB