Analysis

  • max time kernel
    300s
  • max time network
    123s
  • platform
    windows7_x64
  • resource
    win7-20231215-en
  • resource tags

    arch:x64arch:x86image:win7-20231215-enlocale:en-usos:windows7-x64system
  • submitted
    21-02-2024 04:58

General

  • Target

    92b95597a7dde38ab3c182a7df8f27b8193370755b3f453a71b50fa670afcf8d.exe

  • Size

    140KB

  • MD5

    fcb0fb8bba03aa7272d74cf4fa222889

  • SHA1

    15ebe4683e9dca78d430a0b3e0ea2e824d947d70

  • SHA256

    92b95597a7dde38ab3c182a7df8f27b8193370755b3f453a71b50fa670afcf8d

  • SHA512

    0bebaa1ffad0fa62b99e3aea8e853d3fbe8c02af15661524db2bb2df0639343ae7d124e2464f098f0472cd1a65ee3bb0b54703b34703b17453c59550300fcfca

  • SSDEEP

    3072:yvBSZHsPMUKdL6tf6eT2UNGNquenY7+P:yvGMPMhF6t2nOn

Malware Config

Extracted

Family

smokeloader

Botnet

pub3

Extracted

Family

smokeloader

Version

2022

C2

http://sjyey.com/tmp/index.php

http://babonwo.ru/tmp/index.php

http://mth.com.ua/tmp/index.php

http://piratia.pw/tmp/index.php

http://go-piratia.ru/tmp/index.php

rc4.i32
rc4.i32

Signatures

  • SmokeLoader

    Modular backdoor trojan in use since 2014.

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

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

  • Suspicious behavior: EnumeratesProcesses 64 IoCs
  • Suspicious behavior: MapViewOfSection 2 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of WriteProcessMemory 4 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\92b95597a7dde38ab3c182a7df8f27b8193370755b3f453a71b50fa670afcf8d.exe
    "C:\Users\Admin\AppData\Local\Temp\92b95597a7dde38ab3c182a7df8f27b8193370755b3f453a71b50fa670afcf8d.exe"
    1⤵
    • Checks SCSI registry key(s)
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious behavior: MapViewOfSection
    PID:624
  • C:\Windows\system32\taskeng.exe
    taskeng.exe {3FD893B9-8A7F-4C57-8355-E3B7805E5C98} S-1-5-21-1603059206-2004189698-4139800220-1000:AILVMYUM\Admin:Interactive:[1]
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:1580
    • C:\Users\Admin\AppData\Roaming\dftecgt
      C:\Users\Admin\AppData\Roaming\dftecgt
      2⤵
      • Executes dropped EXE
      • Checks SCSI registry key(s)
      • Suspicious behavior: MapViewOfSection
      PID:2904

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

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

    Filesize

    140KB

    MD5

    fcb0fb8bba03aa7272d74cf4fa222889

    SHA1

    15ebe4683e9dca78d430a0b3e0ea2e824d947d70

    SHA256

    92b95597a7dde38ab3c182a7df8f27b8193370755b3f453a71b50fa670afcf8d

    SHA512

    0bebaa1ffad0fa62b99e3aea8e853d3fbe8c02af15661524db2bb2df0639343ae7d124e2464f098f0472cd1a65ee3bb0b54703b34703b17453c59550300fcfca

  • memory/624-1-0x00000000002B0000-0x00000000003B0000-memory.dmp

    Filesize

    1024KB

  • memory/624-2-0x00000000001C0000-0x00000000001CB000-memory.dmp

    Filesize

    44KB

  • memory/624-3-0x0000000000400000-0x0000000000818000-memory.dmp

    Filesize

    4.1MB

  • memory/624-5-0x0000000000400000-0x0000000000818000-memory.dmp

    Filesize

    4.1MB

  • memory/1380-4-0x0000000002560000-0x0000000002576000-memory.dmp

    Filesize

    88KB

  • memory/1380-16-0x0000000003B30000-0x0000000003B46000-memory.dmp

    Filesize

    88KB

  • memory/2904-14-0x0000000000950000-0x0000000000A50000-memory.dmp

    Filesize

    1024KB

  • memory/2904-15-0x0000000000400000-0x0000000000818000-memory.dmp

    Filesize

    4.1MB

  • memory/2904-19-0x0000000000400000-0x0000000000818000-memory.dmp

    Filesize

    4.1MB