Analysis

  • max time kernel
    147s
  • max time network
    126s
  • platform
    windows7_x64
  • resource
    win7-20231215-en
  • resource tags

    arch:x64arch:x86image:win7-20231215-enlocale:en-usos:windows7-x64system
  • submitted
    22-12-2023 14:10

General

  • Target

    b91edd023f06387648f27387b0235c2e.exe

  • Size

    308KB

  • MD5

    b91edd023f06387648f27387b0235c2e

  • SHA1

    2b575f897e058ed5d0d20696932a52d9dcb93f8a

  • SHA256

    28aaa4324d6c66af5cc4dbc4ed5cc57e0eaeea0c2138ce19f74541548f39150a

  • SHA512

    d893652b29b9c430d34bc6ebc2fb727d46226c63d2bbc96f9b4f20a7f3cfb743e06cb56912c2705c6058c2476dbb9109b5f9e3cddcf839dd0c681d6c1844a518

  • SSDEEP

    6144:I+DwapcVPStGWs/LW82p2uxd/Mj2R3B7CyUOxzS0ieRh:PDwap+PVWme2m/MjxMqeR

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++.

  • Deletes itself 1 IoCs
  • Adds Run key to start application 2 TTPs 1 IoCs
  • Modifies registry class 3 IoCs
  • Suspicious behavior: EnumeratesProcesses 3 IoCs
  • Suspicious behavior: MapViewOfSection 1 IoCs
  • Suspicious use of WriteProcessMemory 12 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\b91edd023f06387648f27387b0235c2e.exe
    "C:\Users\Admin\AppData\Local\Temp\b91edd023f06387648f27387b0235c2e.exe"
    1⤵
    • Adds Run key to start application
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious behavior: MapViewOfSection
    • Suspicious use of WriteProcessMemory
    PID:1488
    • C:\Windows\SysWOW64\svchost.exe
      "C:\Windows\system32\svchost.exe"
      2⤵
      • Deletes itself
      • Modifies registry class
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of WriteProcessMemory
      PID:2344
      • C:\Windows\SysWOW64\notepad.exe
        "C:\Windows\system32\notepad.exe"
        3⤵
          PID:2676

    Network

    MITRE ATT&CK Enterprise v15

    Replay Monitor

    Loading Replay Monitor...

    Downloads

    • memory/1488-12-0x0000000000400000-0x000000000046C000-memory.dmp

      Filesize

      432KB

    • memory/1488-1-0x00000000002B0000-0x00000000002B1000-memory.dmp

      Filesize

      4KB

    • memory/1488-0-0x0000000000270000-0x00000000002A2000-memory.dmp

      Filesize

      200KB

    • memory/1488-2-0x0000000000400000-0x000000000046C000-memory.dmp

      Filesize

      432KB

    • memory/2344-10-0x00000000000D0000-0x00000000000FB000-memory.dmp

      Filesize

      172KB

    • memory/2344-20-0x00000000000D0000-0x00000000000FB000-memory.dmp

      Filesize

      172KB

    • memory/2344-11-0x00000000000D0000-0x00000000000FB000-memory.dmp

      Filesize

      172KB

    • memory/2344-5-0x0000000000080000-0x00000000000CD000-memory.dmp

      Filesize

      308KB

    • memory/2344-9-0x00000000000D0000-0x00000000000FB000-memory.dmp

      Filesize

      172KB

    • memory/2344-8-0x00000000000D0000-0x00000000000FB000-memory.dmp

      Filesize

      172KB

    • memory/2344-6-0x00000000000D0000-0x00000000000FB000-memory.dmp

      Filesize

      172KB

    • memory/2344-7-0x00000000000D0000-0x00000000000FB000-memory.dmp

      Filesize

      172KB

    • memory/2676-15-0x0000000000090000-0x0000000000091000-memory.dmp

      Filesize

      4KB

    • memory/2676-19-0x0000000000080000-0x0000000000081000-memory.dmp

      Filesize

      4KB