Analysis

  • max time kernel
    151s
  • max time network
    151s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240226-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240226-enlocale:en-usos:windows10-2004-x64system
  • submitted
    21-03-2024 09:03

General

  • Target

    5ea9a3af-d9c3-dcd1-bf0c-a770fb454f51.exe

  • Size

    261KB

  • MD5

    e381028b496c601a9e0024d3a10b8d0e

  • SHA1

    bc28c3e44f65bec3e9fc0e3112027a9ade6969c6

  • SHA256

    382e891853d6e7cc04ad6c569b64b2d6ef09d2b07740e15282708b322c3a2a6c

  • SHA512

    7c90bcd7a136288e9ecd819e87a857009ca5802e0a0e9aff034cdb1ea7c23688dbc0ed074fa2e9dc7cf9ddabc9bc3fdd935e97e08665cdaf3bc0695d919fbe3b

  • SSDEEP

    6144:0eBlISBwLaYlW8n0WkmpTKLCldp47wifieoajIOi1Ab:DB/eLXlW8n1ZKOLdUn4A

Malware Config

Extracted

Family

mylobot

C2

eakalra.ru:1281

op17.ru:6006

ashfkwu.ru:9821

pomplus.ru:7372

fasefja.ru:3410

hpifnad.ru:3721

benkofx.ru:3333

fpzskbx.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
  • 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\5ea9a3af-d9c3-dcd1-bf0c-a770fb454f51.exe
    "C:\Users\Admin\AppData\Local\Temp\5ea9a3af-d9c3-dcd1-bf0c-a770fb454f51.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious use of WriteProcessMemory
    PID:4432
    • C:\Users\Admin\AppData\Local\Temp\5ea9a3af-d9c3-dcd1-bf0c-a770fb454f51.exe
      "C:\Users\Admin\AppData\Local\Temp\5ea9a3af-d9c3-dcd1-bf0c-a770fb454f51.exe"
      2⤵
      • Checks SCSI registry key(s)
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious behavior: MapViewOfSection
      • Suspicious use of WriteProcessMemory
      PID:4248
      • 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:3472
        • C:\Windows\SysWOW64\notepad.exe
          "C:\Windows\system32\notepad.exe"
          4⤵
            PID:4428
    • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
      "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=utility --utility-sub-type=asset_store.mojom.AssetStoreService --lang=en-US --service-sandbox-type=asset_store_service --no-appcompat-clear --mojo-platform-channel-handle=1408 --field-trial-handle=2280,i,4114443225282860369,4764091921472631035,262144 --variations-seed-version /prefetch:8
      1⤵
        PID:3216

      Network

      MITRE ATT&CK Enterprise v15

      Replay Monitor

      Loading Replay Monitor...

      Downloads

      • C:\ProgramData\{B679B69E-4460-1114-AB7A-0E47D486BCDD}\1bc66601.exe

        Filesize

        261KB

        MD5

        e381028b496c601a9e0024d3a10b8d0e

        SHA1

        bc28c3e44f65bec3e9fc0e3112027a9ade6969c6

        SHA256

        382e891853d6e7cc04ad6c569b64b2d6ef09d2b07740e15282708b322c3a2a6c

        SHA512

        7c90bcd7a136288e9ecd819e87a857009ca5802e0a0e9aff034cdb1ea7c23688dbc0ed074fa2e9dc7cf9ddabc9bc3fdd935e97e08665cdaf3bc0695d919fbe3b

      • memory/3472-12-0x0000000000720000-0x000000000074C000-memory.dmp

        Filesize

        176KB

      • memory/3472-5-0x0000000000720000-0x000000000074C000-memory.dmp

        Filesize

        176KB

      • memory/3472-10-0x0000000000720000-0x000000000074C000-memory.dmp

        Filesize

        176KB

      • memory/3472-19-0x0000000000720000-0x000000000074C000-memory.dmp

        Filesize

        176KB

      • memory/3472-9-0x0000000000720000-0x000000000074C000-memory.dmp

        Filesize

        176KB

      • memory/3472-6-0x0000000000720000-0x000000000074C000-memory.dmp

        Filesize

        176KB

      • memory/3472-7-0x0000000000720000-0x000000000074C000-memory.dmp

        Filesize

        176KB

      • memory/3472-16-0x0000000000720000-0x000000000074C000-memory.dmp

        Filesize

        176KB

      • memory/3472-8-0x0000000000720000-0x000000000074C000-memory.dmp

        Filesize

        176KB

      • memory/4248-2-0x0000000000400000-0x000000000042C000-memory.dmp

        Filesize

        176KB

      • memory/4248-3-0x0000000000400000-0x000000000042C000-memory.dmp

        Filesize

        176KB

      • memory/4248-13-0x0000000000400000-0x000000000042C000-memory.dmp

        Filesize

        176KB

      • memory/4248-4-0x0000000000400000-0x000000000042C000-memory.dmp

        Filesize

        176KB

      • memory/4248-1-0x0000000000400000-0x000000000042C000-memory.dmp

        Filesize

        176KB

      • memory/4428-17-0x0000000000570000-0x0000000000571000-memory.dmp

        Filesize

        4KB

      • memory/4432-0-0x0000000000520000-0x0000000000521000-memory.dmp

        Filesize

        4KB

      • memory/4432-11-0x00000000006C0000-0x00000000006C1000-memory.dmp

        Filesize

        4KB