Analysis

  • max time kernel
    152s
  • max time network
    125s
  • platform
    windows7_x64
  • resource
    win7-20230831-en
  • resource tags

    arch:x64arch:x86image:win7-20230831-enlocale:en-usos:windows7-x64system
  • submitted
    15/09/2023, 17:43

General

  • Target

    SecuriteInfo.com.Win32.PWSX-gen.10092.15060.exe

  • Size

    268KB

  • MD5

    ec3bd9d34fd06a8e83cb2a003e59a0eb

  • SHA1

    097a9f9fa54e0e6deefb394c5d8fbf2f3b94b7a7

  • SHA256

    06f3c31343921c5f63bc0803569db1a31f0ecdf6029f167dcc234754eabacc9b

  • SHA512

    4a07bebf79d47a817de90f4c58cd7488da55d56308c53a681eb8e87a99f1cc1c137162393baba598f4c871942ccd32b03c5e167afcb167783222c97899fb5aa4

  • SSDEEP

    6144:/2LuX8E/d2ltBWWIQ8CK95boCsh+eY24b:/LP/dwmWIQzKfoCaC

Malware Config

Extracted

Family

smokeloader

Botnet

pub1

Extracted

Family

smokeloader

Version

2022

C2

http://gudintas.at/tmp/

http://pik96.ru/tmp/

http://rosatiauto.com/tmp/

http://kingpirate.ru/tmp/

rc4.i32
rc4.i32

Signatures

  • SmokeLoader

    Modular backdoor trojan in use since 2014.

  • Downloads MZ/PE file
  • Deletes itself 1 IoCs
  • Executes dropped EXE 1 IoCs
  • Checks SCSI registry key(s) 3 TTPs 3 IoCs

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

  • Suspicious behavior: EnumeratesProcesses 64 IoCs
  • Suspicious behavior: GetForegroundWindowSpam 1 IoCs
  • Suspicious behavior: MapViewOfSection 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of WriteProcessMemory 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\SecuriteInfo.com.Win32.PWSX-gen.10092.15060.exe
    "C:\Users\Admin\AppData\Local\Temp\SecuriteInfo.com.Win32.PWSX-gen.10092.15060.exe"
    1⤵
    • Checks SCSI registry key(s)
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious behavior: MapViewOfSection
    PID:1544
  • C:\Users\Admin\AppData\Local\Temp\2665.exe
    C:\Users\Admin\AppData\Local\Temp\2665.exe
    1⤵
    • Executes dropped EXE
    • Suspicious use of AdjustPrivilegeToken
    PID:2492

Network

        MITRE ATT&CK Enterprise v15

        Replay Monitor

        Loading Replay Monitor...

        Downloads

        • C:\Users\Admin\AppData\Local\Temp\2665.exe

          Filesize

          505KB

          MD5

          3082e7832f7a31397990d4d3ae4c75c9

          SHA1

          769b150e219c7e8d7221f7a0f0ba6ef617fd036d

          SHA256

          716f6379cc32afb03ef2639b14e32b4df5538b99b84dafe355b39f8934e7c740

          SHA512

          8e371f4b075070daf8efb449ab87d923eb4d3cad74d7c9c3d3cef76f43f268c0e4aabe6fa1f801e20ac49e25f9bac70338044fbe9bd408883429ca34fb98ade4

        • C:\Users\Admin\AppData\Local\Temp\2665.exe

          Filesize

          505KB

          MD5

          3082e7832f7a31397990d4d3ae4c75c9

          SHA1

          769b150e219c7e8d7221f7a0f0ba6ef617fd036d

          SHA256

          716f6379cc32afb03ef2639b14e32b4df5538b99b84dafe355b39f8934e7c740

          SHA512

          8e371f4b075070daf8efb449ab87d923eb4d3cad74d7c9c3d3cef76f43f268c0e4aabe6fa1f801e20ac49e25f9bac70338044fbe9bd408883429ca34fb98ade4

        • C:\Users\Admin\AppData\Local\Temp\2665.exe

          Filesize

          505KB

          MD5

          3082e7832f7a31397990d4d3ae4c75c9

          SHA1

          769b150e219c7e8d7221f7a0f0ba6ef617fd036d

          SHA256

          716f6379cc32afb03ef2639b14e32b4df5538b99b84dafe355b39f8934e7c740

          SHA512

          8e371f4b075070daf8efb449ab87d923eb4d3cad74d7c9c3d3cef76f43f268c0e4aabe6fa1f801e20ac49e25f9bac70338044fbe9bd408883429ca34fb98ade4

        • memory/1368-4-0x00000000027A0000-0x00000000027B6000-memory.dmp

          Filesize

          88KB

        • memory/1544-6-0x0000000000220000-0x0000000000229000-memory.dmp

          Filesize

          36KB

        • memory/1544-5-0x0000000000400000-0x0000000000711000-memory.dmp

          Filesize

          3.1MB

        • memory/1544-1-0x0000000000820000-0x0000000000920000-memory.dmp

          Filesize

          1024KB

        • memory/1544-3-0x0000000000400000-0x0000000000711000-memory.dmp

          Filesize

          3.1MB

        • memory/1544-2-0x0000000000220000-0x0000000000229000-memory.dmp

          Filesize

          36KB

        • memory/2492-19-0x00000000010D0000-0x0000000001152000-memory.dmp

          Filesize

          520KB

        • memory/2492-20-0x00000000745A0000-0x0000000074C8E000-memory.dmp

          Filesize

          6.9MB

        • memory/2492-21-0x0000000004F10000-0x0000000004F50000-memory.dmp

          Filesize

          256KB

        • memory/2492-22-0x00000000745A0000-0x0000000074C8E000-memory.dmp

          Filesize

          6.9MB