Analysis

  • max time kernel
    150s
  • max time network
    122s
  • platform
    windows7_x64
  • resource
    win7-20231215-en
  • resource tags

    arch:x64arch:x86image:win7-20231215-enlocale:en-usos:windows7-x64system
  • submitted
    20-02-2024 17:39

General

  • Target

    268bb534e403c39232c77c9eda53a7dd703153784b6a3d0e6e29a48f514b5dab.exe

  • Size

    131KB

  • MD5

    5172685c2a54b119783e66b607ce16ae

  • SHA1

    21d4f2576999da791d1c3838635e9fc85b144f30

  • SHA256

    268bb534e403c39232c77c9eda53a7dd703153784b6a3d0e6e29a48f514b5dab

  • SHA512

    33c10fe1cac30fc696184f896676ac8f108c06fbacecb0fd7bb2336724f131f2e783eb669d6f081fa9b537ec68c4067f84558a860e1fea97a98eaba6bbd9f535

  • SSDEEP

    1536:s8HWbljHeXnq7Tn7BcdXaG95AjDcuJNxgVlpXwezWenTNU2JNJqPSs/GovcTQnDU:sKYlj+X4c18PJzqlfzWaDLqL7EKS9

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 WriteProcessMemory 4 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\268bb534e403c39232c77c9eda53a7dd703153784b6a3d0e6e29a48f514b5dab.exe
    "C:\Users\Admin\AppData\Local\Temp\268bb534e403c39232c77c9eda53a7dd703153784b6a3d0e6e29a48f514b5dab.exe"
    1⤵
    • Checks SCSI registry key(s)
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious behavior: MapViewOfSection
    PID:2500
  • C:\Windows\system32\taskeng.exe
    taskeng.exe {00FBD4E8-F16E-4B9E-B59D-3256D823FA1F} S-1-5-21-928733405-3780110381-2966456290-1000:VTILVGXH\Admin:Interactive:[1]
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:2996
    • C:\Users\Admin\AppData\Roaming\fbgfjev
      C:\Users\Admin\AppData\Roaming\fbgfjev
      2⤵
      • Executes dropped EXE
      • Checks SCSI registry key(s)
      • Suspicious behavior: MapViewOfSection
      PID:2928

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

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

    Filesize

    131KB

    MD5

    5172685c2a54b119783e66b607ce16ae

    SHA1

    21d4f2576999da791d1c3838635e9fc85b144f30

    SHA256

    268bb534e403c39232c77c9eda53a7dd703153784b6a3d0e6e29a48f514b5dab

    SHA512

    33c10fe1cac30fc696184f896676ac8f108c06fbacecb0fd7bb2336724f131f2e783eb669d6f081fa9b537ec68c4067f84558a860e1fea97a98eaba6bbd9f535

  • memory/1232-4-0x0000000002AA0000-0x0000000002AB6000-memory.dmp

    Filesize

    88KB

  • memory/1232-16-0x0000000003E00000-0x0000000003E16000-memory.dmp

    Filesize

    88KB

  • memory/2500-1-0x0000000000980000-0x0000000000A80000-memory.dmp

    Filesize

    1024KB

  • memory/2500-2-0x0000000000220000-0x000000000022B000-memory.dmp

    Filesize

    44KB

  • memory/2500-3-0x0000000000400000-0x0000000000817000-memory.dmp

    Filesize

    4.1MB

  • memory/2500-5-0x0000000000400000-0x0000000000817000-memory.dmp

    Filesize

    4.1MB

  • memory/2928-14-0x00000000008C0000-0x00000000009C0000-memory.dmp

    Filesize

    1024KB

  • memory/2928-15-0x0000000000400000-0x0000000000817000-memory.dmp

    Filesize

    4.1MB

  • memory/2928-19-0x0000000000400000-0x0000000000817000-memory.dmp

    Filesize

    4.1MB