Analysis

  • max time kernel
    150s
  • max time network
    117s
  • platform
    windows7_x64
  • resource
    win7-20240215-en
  • resource tags

    arch:x64arch:x86image:win7-20240215-enlocale:en-usos:windows7-x64system
  • submitted
    17-04-2024 08:27

General

  • Target

    52c33f70e6960ef4aa8054260d938452d91c49024f4ce042ab00c2387e7fd7f5.exe

  • Size

    237KB

  • MD5

    3fd46ed8c0b43edb6a73e27a46a66b69

  • SHA1

    4b758854b2fd8b92268efe79ec2cb5cd8288f824

  • SHA256

    52c33f70e6960ef4aa8054260d938452d91c49024f4ce042ab00c2387e7fd7f5

  • SHA512

    8dc022f5e90850a4d72fbbdb9df1ca40c0b8da84ad7186dcdcefa861eeb90b5cab731e566976c887e7e3242d8c7042458e88c24d202d4ef107a4fa0874aa6b25

  • SSDEEP

    3072:F7P4LTLgXI1gEFdBTIrDYXEfW4VSpbpD9/c55RGJeONDZuUt5cUQ:FT4LHgXI51IrDYcvVS3pI40ON1

Malware Config

Extracted

Family

smokeloader

Botnet

pub3

Extracted

Family

smokeloader

Version

2022

C2

http://nidoe.org/tmp/index.php

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

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

http://talesofpirates.net/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
  • 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\52c33f70e6960ef4aa8054260d938452d91c49024f4ce042ab00c2387e7fd7f5.exe
    "C:\Users\Admin\AppData\Local\Temp\52c33f70e6960ef4aa8054260d938452d91c49024f4ce042ab00c2387e7fd7f5.exe"
    1⤵
    • Checks SCSI registry key(s)
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious behavior: MapViewOfSection
    PID:2416
  • C:\Windows\system32\taskeng.exe
    taskeng.exe {DFFD8C2C-435F-4D95-9A76-6779D817BA66} S-1-5-21-2248906074-2862704502-246302768-1000:GHPZRGFC\Admin:Interactive:[1]
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:2952
    • C:\Users\Admin\AppData\Roaming\dajicga
      C:\Users\Admin\AppData\Roaming\dajicga
      2⤵
      • Executes dropped EXE
      • Checks SCSI registry key(s)
      • Suspicious behavior: MapViewOfSection
      PID:1548

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

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

    Filesize

    237KB

    MD5

    3fd46ed8c0b43edb6a73e27a46a66b69

    SHA1

    4b758854b2fd8b92268efe79ec2cb5cd8288f824

    SHA256

    52c33f70e6960ef4aa8054260d938452d91c49024f4ce042ab00c2387e7fd7f5

    SHA512

    8dc022f5e90850a4d72fbbdb9df1ca40c0b8da84ad7186dcdcefa861eeb90b5cab731e566976c887e7e3242d8c7042458e88c24d202d4ef107a4fa0874aa6b25

  • memory/1200-4-0x0000000002DA0000-0x0000000002DB6000-memory.dmp

    Filesize

    88KB

  • memory/1200-16-0x0000000002ED0000-0x0000000002EE6000-memory.dmp

    Filesize

    88KB

  • memory/1548-14-0x00000000002F0000-0x00000000003F0000-memory.dmp

    Filesize

    1024KB

  • memory/1548-15-0x0000000000400000-0x0000000002C1E000-memory.dmp

    Filesize

    40.1MB

  • memory/1548-17-0x0000000000400000-0x0000000002C1E000-memory.dmp

    Filesize

    40.1MB

  • memory/2416-1-0x0000000002D90000-0x0000000002E90000-memory.dmp

    Filesize

    1024KB

  • memory/2416-2-0x0000000000230000-0x000000000023B000-memory.dmp

    Filesize

    44KB

  • memory/2416-3-0x0000000000400000-0x0000000002C1E000-memory.dmp

    Filesize

    40.1MB

  • memory/2416-5-0x0000000000400000-0x0000000002C1E000-memory.dmp

    Filesize

    40.1MB