Analysis

  • max time kernel
    146s
  • max time network
    131s
  • platform
    windows7_x64
  • resource
    win7-20240903-en
  • resource tags

    arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
  • submitted
    06/03/2025, 09:08

General

  • Target

    53b21cdea112910771ad7f56ed59d2cd793df60fdc18192649159efc88868aec.exe

  • Size

    576KB

  • MD5

    3ce8c08985645fbacc3b7e197ebe0a4a

  • SHA1

    4e10c27c4f43db72320ec35e9a774270bdc6fe40

  • SHA256

    53b21cdea112910771ad7f56ed59d2cd793df60fdc18192649159efc88868aec

  • SHA512

    8bcc3ce63a1df20681b9d2d7d996c63f2ba2683d7d8d37eb3b52b37600379a76725540dccadbe6c81fcd101d4e54d4062c4e80da0d0987c55ef760f9dffc2ebd

  • SSDEEP

    12288:HPbTE1rkt826L4xd1EiEt6empQ+uK+1faH7nCYNFbdmmIO1ZUsCjW79u:HP818EiYTmpqCHNbvIODnCjW78

Malware Config

Extracted

Family

mylobot

C2

pqrqtaz.ru:9879

pickcas.ru:6464

quwkbin.ru:3496

rkbupij.ru:6653

pcqmayq.ru:3629

mmuliwe.ru:3541

stoizji.ru:5189

sfdfrhh.ru:3511

ynciazz.ru:4127

mkglhnw.ru:1946

njeeili.ru:9987

dldzeoo.ru:7525

tkbiqjq.ru:5145

uenosbl.ru:2935

faayshc.ru:9865

nttfazc.ru:6761

nfwsyog.ru:7172

uyfusxm.ru:7372

hxkclwx.ru:1294

zgoysam.ru:2338

Signatures

  • Mylobot

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

  • Mylobot family
  • Deletes itself 1 IoCs
  • Adds Run key to start application 2 TTPs 1 IoCs
  • Suspicious use of SetThreadContext 1 IoCs
  • System Location Discovery: System Language Discovery 1 TTPs 4 IoCs

    Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

  • 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\53b21cdea112910771ad7f56ed59d2cd793df60fdc18192649159efc88868aec.exe
    "C:\Users\Admin\AppData\Local\Temp\53b21cdea112910771ad7f56ed59d2cd793df60fdc18192649159efc88868aec.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:2908
    • C:\Users\Admin\AppData\Local\Temp\53b21cdea112910771ad7f56ed59d2cd793df60fdc18192649159efc88868aec.exe
      "C:\Users\Admin\AppData\Local\Temp\53b21cdea112910771ad7f56ed59d2cd793df60fdc18192649159efc88868aec.exe"
      2⤵
      • System Location Discovery: System Language Discovery
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious behavior: MapViewOfSection
      • Suspicious use of WriteProcessMemory
      PID:2368
      • C:\Windows\SysWOW64\svchost.exe
        "C:\Windows\system32\svchost.exe"
        3⤵
        • Deletes itself
        • Adds Run key to start application
        • System Location Discovery: System Language Discovery
        • Modifies registry class
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of WriteProcessMemory
        PID:2428
        • C:\Windows\SysWOW64\notepad.exe
          "C:\Windows\system32\notepad.exe"
          4⤵
          • System Location Discovery: System Language Discovery
          PID:2612
  • C:\Windows\explorer.exe
    "C:\Windows\explorer.exe"
    1⤵
      PID:2552

    Network

    MITRE ATT&CK Enterprise v15

    Replay Monitor

    Loading Replay Monitor...

    Downloads

    • C:\ProgramData\{2994077D-D872-F582-FD66-440E236A38C8}\842bd7e2.exe

      Filesize

      576KB

      MD5

      3ce8c08985645fbacc3b7e197ebe0a4a

      SHA1

      4e10c27c4f43db72320ec35e9a774270bdc6fe40

      SHA256

      53b21cdea112910771ad7f56ed59d2cd793df60fdc18192649159efc88868aec

      SHA512

      8bcc3ce63a1df20681b9d2d7d996c63f2ba2683d7d8d37eb3b52b37600379a76725540dccadbe6c81fcd101d4e54d4062c4e80da0d0987c55ef760f9dffc2ebd

    • memory/2368-31-0x0000000000400000-0x0000000000436000-memory.dmp

      Filesize

      216KB

    • memory/2368-1-0x0000000000400000-0x0000000000436000-memory.dmp

      Filesize

      216KB

    • memory/2368-3-0x0000000000400000-0x0000000000436000-memory.dmp

      Filesize

      216KB

    • memory/2368-13-0x0000000000400000-0x0000000000436000-memory.dmp

      Filesize

      216KB

    • memory/2368-11-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

      Filesize

      4KB

    • memory/2368-9-0x0000000000400000-0x0000000000436000-memory.dmp

      Filesize

      216KB

    • memory/2368-7-0x0000000000400000-0x0000000000436000-memory.dmp

      Filesize

      216KB

    • memory/2368-5-0x0000000000400000-0x0000000000436000-memory.dmp

      Filesize

      216KB

    • memory/2368-15-0x0000000000400000-0x0000000000436000-memory.dmp

      Filesize

      216KB

    • memory/2428-17-0x0000000000180000-0x00000000001B6000-memory.dmp

      Filesize

      216KB

    • memory/2428-18-0x0000000000180000-0x00000000001B6000-memory.dmp

      Filesize

      216KB

    • memory/2428-29-0x0000000000180000-0x00000000001B6000-memory.dmp

      Filesize

      216KB

    • memory/2428-22-0x0000000000180000-0x00000000001B6000-memory.dmp

      Filesize

      216KB

    • memory/2428-21-0x0000000000180000-0x00000000001B6000-memory.dmp

      Filesize

      216KB

    • memory/2428-20-0x0000000000180000-0x00000000001B6000-memory.dmp

      Filesize

      216KB

    • memory/2428-19-0x0000000000180000-0x00000000001B6000-memory.dmp

      Filesize

      216KB

    • memory/2428-38-0x0000000000180000-0x00000000001B6000-memory.dmp

      Filesize

      216KB

    • memory/2428-16-0x00000000000F0000-0x0000000000180000-memory.dmp

      Filesize

      576KB

    • memory/2612-37-0x0000000000080000-0x0000000000081000-memory.dmp

      Filesize

      4KB

    • memory/2908-0-0x0000000000020000-0x0000000000021000-memory.dmp

      Filesize

      4KB

    • memory/2908-28-0x0000000000030000-0x0000000000031000-memory.dmp

      Filesize

      4KB

    • memory/2908-24-0x00000000001C0000-0x00000000001C1000-memory.dmp

      Filesize

      4KB