Analysis

  • max time kernel
    150s
  • 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
    11-03-2024 11:38

General

  • Target

    c07ff6064acad9f4b013abdb9b6dc6f7.exe

  • Size

    195KB

  • MD5

    c07ff6064acad9f4b013abdb9b6dc6f7

  • SHA1

    ed496c387901438568eae1f63c48fcf998b56a48

  • SHA256

    5830dd917dbc7f34d6dc09b77052b0818ae91bae68e71d4843d2e5504e44f19d

  • SHA512

    ca0b6b7c7f5a20b56d1dca11f81a100e0b15fb8df3f7cc1f3e28d99836873889d407ed4155d663c3139b3ecf7ce7c195a512c5035219b5b52e5247cc47ab7431

  • SSDEEP

    3072:HzdQKR8K5ZTy+4yKVNQBNmyRtRQuKT0yB3AD7tf:HzGKLl4b4MlYDh

Malware Config

Extracted

Family

smokeloader

Botnet

pub1

Extracted

Family

smokeloader

Version

2020

C2

http://aucmoney.com/upload/

http://thegymmum.com/upload/

http://atvcampingtrips.com/upload/

http://kuapakualaman.com/upload/

http://renatazarazua.com/upload/

http://nasufmutlu.com/upload/

rc4.i32
rc4.i32

Signatures

  • SmokeLoader

    Modular backdoor trojan in use since 2014.

  • Deletes itself 1 IoCs
  • Executes dropped EXE 1 IoCs
  • Program crash 2 IoCs
  • Checks SCSI registry key(s) 3 TTPs 6 IoCs

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

  • Modifies registry class 2 IoCs
  • Suspicious behavior: EnumeratesProcesses 64 IoCs
  • Suspicious behavior: MapViewOfSection 2 IoCs
  • Suspicious use of AdjustPrivilegeToken 4 IoCs
  • Uses Task Scheduler COM API 1 TTPs

    The Task Scheduler COM API can be used to schedule applications to run on boot or at set times.

Processes

  • C:\Users\Admin\AppData\Local\Temp\c07ff6064acad9f4b013abdb9b6dc6f7.exe
    "C:\Users\Admin\AppData\Local\Temp\c07ff6064acad9f4b013abdb9b6dc6f7.exe"
    1⤵
    • Checks SCSI registry key(s)
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious behavior: MapViewOfSection
    PID:1776
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 1776 -s 368
      2⤵
      • Program crash
      PID:1284
  • C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -pss -s 456 -p 1776 -ip 1776
    1⤵
      PID:1012
    • C:\Users\Admin\AppData\Roaming\awgvtsd
      C:\Users\Admin\AppData\Roaming\awgvtsd
      1⤵
      • Executes dropped EXE
      • Checks SCSI registry key(s)
      • Suspicious behavior: MapViewOfSection
      PID:4560
      • C:\Windows\SysWOW64\WerFault.exe
        C:\Windows\SysWOW64\WerFault.exe -u -p 4560 -s 368
        2⤵
        • Program crash
        PID:4048
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -pss -s 384 -p 4560 -ip 4560
      1⤵
        PID:2348

      Network

      MITRE ATT&CK Enterprise v15

      Replay Monitor

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      Downloads

      • C:\Users\Admin\AppData\Roaming\awgvtsd

        Filesize

        195KB

        MD5

        c07ff6064acad9f4b013abdb9b6dc6f7

        SHA1

        ed496c387901438568eae1f63c48fcf998b56a48

        SHA256

        5830dd917dbc7f34d6dc09b77052b0818ae91bae68e71d4843d2e5504e44f19d

        SHA512

        ca0b6b7c7f5a20b56d1dca11f81a100e0b15fb8df3f7cc1f3e28d99836873889d407ed4155d663c3139b3ecf7ce7c195a512c5035219b5b52e5247cc47ab7431

      • memory/1776-1-0x0000000002EF0000-0x0000000002FF0000-memory.dmp

        Filesize

        1024KB

      • memory/1776-2-0x0000000002ED0000-0x0000000002ED9000-memory.dmp

        Filesize

        36KB

      • memory/1776-3-0x0000000000400000-0x0000000002CBF000-memory.dmp

        Filesize

        40.7MB

      • memory/1776-7-0x0000000000400000-0x0000000002CBF000-memory.dmp

        Filesize

        40.7MB

      • memory/3536-4-0x0000000002B40000-0x0000000002B56000-memory.dmp

        Filesize

        88KB

      • memory/3536-16-0x0000000000C40000-0x0000000000C56000-memory.dmp

        Filesize

        88KB

      • memory/4560-14-0x0000000002E40000-0x0000000002F40000-memory.dmp

        Filesize

        1024KB

      • memory/4560-15-0x0000000000400000-0x0000000002CBF000-memory.dmp

        Filesize

        40.7MB

      • memory/4560-19-0x0000000000400000-0x0000000002CBF000-memory.dmp

        Filesize

        40.7MB