Analysis

  • max time kernel
    56s
  • max time network
    17s
  • platform
    windows7_x64
  • resource
    win7-20240221-en
  • resource tags

    arch:x64arch:x86image:win7-20240221-enlocale:en-usos:windows7-x64system
  • submitted
    08-05-2024 07:17

General

  • Target

    e50efdaa.exe

  • Size

    312KB

  • MD5

    bfef91bacc33b5424ea2a40245fd9039

  • SHA1

    a9c60eb8dabc24b04eaf99c3c613f6d5c1a19b41

  • SHA256

    f2bae4d8912682525ecd787fb921c3b57d8672c44ea73eb23c0ab278cf1fb939

  • SHA512

    19de586b1ec80cabd40d78e02e7cd8f5d868c9a907433dc9b6fb16747157d4a613d17cad43e249841cb841b0838bd33cf15eb413d8510f62975ef6c0b24ff2e3

  • SSDEEP

    6144:kn9+9wPbNTK0Q/fvzKZ62jY/776KOWu/GduR9swnApRTv+:k9RTG/fvyLj472KOv/GduzsJpRq

Malware Config

Extracted

Family

mylobot

C2

eakalra.ru:1281

op17.ru:6006

ad21822.ru:8742

urtuifc.ru:1692

nmernrh.ru:4163

bjbhtsc.ru:6239

jmbfgpn.ru:1344

hoebfle.ru:9593

okllxlr.ru:8335

klqzrze.ru:6999

xwstyrt.ru:8627

qgfhmmm.ru:1886

ygdgryq.ru:5843

unsyisl.ru:7365

snzglco.ru:3268

fchbwme.ru:7533

iqaagar.ru:2919

flkpuod.ru:5796

zuenhrs.ru:9439

lqejyjg.ru:4627

Signatures

  • Mylobot

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

  • Deletes itself 1 IoCs
  • Adds Run key to start application 2 TTPs 1 IoCs
  • Suspicious use of SetThreadContext 1 IoCs
  • Modifies registry class 3 IoCs
  • Suspicious behavior: EnumeratesProcesses 4 IoCs
  • Suspicious behavior: MapViewOfSection 1 IoCs
  • Suspicious use of WriteProcessMemory 23 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\e50efdaa.exe
    "C:\Users\Admin\AppData\Local\Temp\e50efdaa.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious use of WriteProcessMemory
    PID:2756
    • C:\Users\Admin\AppData\Local\Temp\e50efdaa.exe
      "C:\Users\Admin\AppData\Local\Temp\e50efdaa.exe"
      2⤵
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious behavior: MapViewOfSection
      • Suspicious use of WriteProcessMemory
      PID:2640
      • C:\Windows\SysWOW64\svchost.exe
        "C:\Windows\system32\svchost.exe"
        3⤵
        • Deletes itself
        • Adds Run key to start application
        • Modifies registry class
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of WriteProcessMemory
        PID:2652
        • C:\Windows\SysWOW64\notepad.exe
          "C:\Windows\system32\notepad.exe"
          4⤵
            PID:2356

    Network

    MITRE ATT&CK Enterprise v15

    Replay Monitor

    Loading Replay Monitor...

    Downloads

    • C:\ProgramData\{D2EBA64F-C971-BF11-4F0F-7563AA6CCBC0}\7f5476d0.exe

      Filesize

      312KB

      MD5

      bfef91bacc33b5424ea2a40245fd9039

      SHA1

      a9c60eb8dabc24b04eaf99c3c613f6d5c1a19b41

      SHA256

      f2bae4d8912682525ecd787fb921c3b57d8672c44ea73eb23c0ab278cf1fb939

      SHA512

      19de586b1ec80cabd40d78e02e7cd8f5d868c9a907433dc9b6fb16747157d4a613d17cad43e249841cb841b0838bd33cf15eb413d8510f62975ef6c0b24ff2e3

    • memory/2356-38-0x0000000000080000-0x0000000000081000-memory.dmp

      Filesize

      4KB

    • memory/2640-31-0x0000000000400000-0x0000000000435000-memory.dmp

      Filesize

      212KB

    • memory/2640-1-0x0000000000400000-0x0000000000435000-memory.dmp

      Filesize

      212KB

    • memory/2640-7-0x0000000000400000-0x0000000000435000-memory.dmp

      Filesize

      212KB

    • memory/2640-15-0x0000000000400000-0x0000000000435000-memory.dmp

      Filesize

      212KB

    • memory/2640-16-0x0000000000400000-0x0000000000435000-memory.dmp

      Filesize

      212KB

    • memory/2640-13-0x0000000000400000-0x0000000000435000-memory.dmp

      Filesize

      212KB

    • memory/2640-9-0x0000000000400000-0x0000000000435000-memory.dmp

      Filesize

      212KB

    • memory/2640-5-0x0000000000400000-0x0000000000435000-memory.dmp

      Filesize

      212KB

    • memory/2640-3-0x0000000000400000-0x0000000000435000-memory.dmp

      Filesize

      212KB

    • memory/2640-11-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

      Filesize

      4KB

    • memory/2652-19-0x0000000000130000-0x0000000000165000-memory.dmp

      Filesize

      212KB

    • memory/2652-29-0x0000000000130000-0x0000000000165000-memory.dmp

      Filesize

      212KB

    • memory/2652-23-0x0000000000130000-0x0000000000165000-memory.dmp

      Filesize

      212KB

    • memory/2652-22-0x0000000000130000-0x0000000000165000-memory.dmp

      Filesize

      212KB

    • memory/2652-21-0x0000000000130000-0x0000000000165000-memory.dmp

      Filesize

      212KB

    • memory/2652-20-0x0000000000130000-0x0000000000165000-memory.dmp

      Filesize

      212KB

    • memory/2652-33-0x0000000000130000-0x0000000000165000-memory.dmp

      Filesize

      212KB

    • memory/2652-18-0x0000000000130000-0x0000000000165000-memory.dmp

      Filesize

      212KB

    • memory/2652-40-0x0000000000130000-0x0000000000165000-memory.dmp

      Filesize

      212KB

    • memory/2652-17-0x0000000000080000-0x00000000000CF000-memory.dmp

      Filesize

      316KB

    • memory/2756-0-0x0000000000020000-0x0000000000021000-memory.dmp

      Filesize

      4KB

    • memory/2756-28-0x0000000000030000-0x0000000000031000-memory.dmp

      Filesize

      4KB

    • memory/2756-25-0x0000000000350000-0x0000000000351000-memory.dmp

      Filesize

      4KB