Analysis

  • max time kernel
    146s
  • max time network
    150s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20230220-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20230220-enlocale:en-usos:windows10-2004-x64system
  • submitted
    13/06/2023, 06:11

General

  • Target

    3c94204e.exe

  • Size

    250KB

  • MD5

    5c55fc257423acd1ae6382d88b1ee306

  • SHA1

    153a3104fe52062844fed64c7a033d8378f7977f

  • SHA256

    1ec36fc1bb6bce36dd3a82304be237919ede3e6b790b7a248c340042353b5bc0

  • SHA512

    7cf5957892d1abf775284441dae7e2b4db23fe38e047c48ae9a2994c6b582a587fa83312e321c393f504b1bdfced8b6c34c7ca4098f51c7da4081be6c030f8c6

  • SSDEEP

    6144:whUsNSTyEDB1H9ys2rf2y5WhnLe4V6O3OS2:whUsOvDBhwBXWhnpl3S

Malware Config

Extracted

Family

mylobot

C2

eakalra.ru:1281

op17.ru:6006

zgclgdb.ru:8518

yekfhsh.ru:7372

fasefja.ru:3410

hpifnad.ru:3721

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 2 IoCs
  • Suspicious use of SetThreadContext 1 IoCs
  • Checks SCSI registry key(s) 3 TTPs 2 IoCs

    SCSI information is often read in order to detect sandboxing environments.

  • Modifies registry class 3 IoCs
  • Suspicious behavior: EnumeratesProcesses 6 IoCs
  • Suspicious behavior: MapViewOfSection 1 IoCs
  • Suspicious use of WriteProcessMemory 20 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\3c94204e.exe
    "C:\Users\Admin\AppData\Local\Temp\3c94204e.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious use of WriteProcessMemory
    PID:2372
    • C:\Users\Admin\AppData\Local\Temp\3c94204e.exe
      "C:\Users\Admin\AppData\Local\Temp\3c94204e.exe"
      2⤵
      • Checks SCSI registry key(s)
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious behavior: MapViewOfSection
      • Suspicious use of WriteProcessMemory
      PID:1864
      • 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:4768
        • C:\Windows\SysWOW64\notepad.exe
          "C:\Windows\system32\notepad.exe"
          4⤵
            PID:4332

    Network

    MITRE ATT&CK Enterprise v6

    Replay Monitor

    Loading Replay Monitor...

    Downloads

    • C:\ProgramData\{CD26B3B2-D81F-93C5-9509-2E32108DFA08}\6099632d.exe

      Filesize

      250KB

      MD5

      5c55fc257423acd1ae6382d88b1ee306

      SHA1

      153a3104fe52062844fed64c7a033d8378f7977f

      SHA256

      1ec36fc1bb6bce36dd3a82304be237919ede3e6b790b7a248c340042353b5bc0

      SHA512

      7cf5957892d1abf775284441dae7e2b4db23fe38e047c48ae9a2994c6b582a587fa83312e321c393f504b1bdfced8b6c34c7ca4098f51c7da4081be6c030f8c6

    • memory/1864-143-0x0000000000400000-0x000000000042B000-memory.dmp

      Filesize

      172KB

    • memory/1864-134-0x0000000000400000-0x000000000042B000-memory.dmp

      Filesize

      172KB

    • memory/1864-135-0x0000000000400000-0x000000000042B000-memory.dmp

      Filesize

      172KB

    • memory/1864-136-0x0000000000400000-0x000000000042B000-memory.dmp

      Filesize

      172KB

    • memory/2372-133-0x0000000000580000-0x0000000000581000-memory.dmp

      Filesize

      4KB

    • memory/2372-142-0x00000000047B0000-0x00000000047B1000-memory.dmp

      Filesize

      4KB

    • memory/4332-147-0x0000000000980000-0x0000000000981000-memory.dmp

      Filesize

      4KB

    • memory/4768-140-0x0000000000860000-0x000000000088B000-memory.dmp

      Filesize

      172KB

    • memory/4768-144-0x0000000000860000-0x000000000088B000-memory.dmp

      Filesize

      172KB

    • memory/4768-138-0x0000000000860000-0x000000000088B000-memory.dmp

      Filesize

      172KB

    • memory/4768-137-0x0000000000860000-0x000000000088B000-memory.dmp

      Filesize

      172KB

    • memory/4768-141-0x0000000000860000-0x000000000088B000-memory.dmp

      Filesize

      172KB

    • memory/4768-148-0x0000000000860000-0x000000000088B000-memory.dmp

      Filesize

      172KB

    • memory/4768-139-0x0000000000860000-0x000000000088B000-memory.dmp

      Filesize

      172KB