Analysis

  • max time kernel
    300s
  • max time network
    123s
  • platform
    windows7_x64
  • resource
    win7-20240221-en
  • resource tags

    arch:x64arch:x86image:win7-20240221-enlocale:en-usos:windows7-x64system
  • submitted
    15-04-2024 04:57

General

  • Target

    a28767af8137e72d25d10ecf309db3e2a6500b53e65930fb801a5eeb08970e7d.exe

  • Size

    296KB

  • MD5

    149fd2af87560517461896494348b0b5

  • SHA1

    46236249a25cb2e763b7ef51183f816888fcd5b3

  • SHA256

    a28767af8137e72d25d10ecf309db3e2a6500b53e65930fb801a5eeb08970e7d

  • SHA512

    65f92c1d1d09084b5a17fa5860fab8187042df1ac07742d8acd814dbf7d6a8dcabc7eb979fafc22d282c7ed90675f6db18b8da94c5aff80b90193e475b9de86e

  • SSDEEP

    3072:FseCPxLfW0ZwuKTLnDTL52XVMQ6BHVgXCjnoXnP5ZgSoz5iuj87:FEPxLFwXLHQXVB6BHVeMUnPRuj

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 AdjustPrivilegeToken 1 IoCs
  • Suspicious use of WriteProcessMemory 4 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\a28767af8137e72d25d10ecf309db3e2a6500b53e65930fb801a5eeb08970e7d.exe
    "C:\Users\Admin\AppData\Local\Temp\a28767af8137e72d25d10ecf309db3e2a6500b53e65930fb801a5eeb08970e7d.exe"
    1⤵
    • Checks SCSI registry key(s)
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious behavior: MapViewOfSection
    PID:2872
  • C:\Windows\system32\taskeng.exe
    taskeng.exe {057A104F-F319-4C0C-9664-CD3BA8DC1DD6} S-1-5-21-330940541-141609230-1670313778-1000:KXIPPCKF\Admin:Interactive:[1]
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:1972
    • C:\Users\Admin\AppData\Roaming\tvrfedj
      C:\Users\Admin\AppData\Roaming\tvrfedj
      2⤵
      • Executes dropped EXE
      • Checks SCSI registry key(s)
      • Suspicious behavior: MapViewOfSection
      PID:1932

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

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

    Filesize

    296KB

    MD5

    149fd2af87560517461896494348b0b5

    SHA1

    46236249a25cb2e763b7ef51183f816888fcd5b3

    SHA256

    a28767af8137e72d25d10ecf309db3e2a6500b53e65930fb801a5eeb08970e7d

    SHA512

    65f92c1d1d09084b5a17fa5860fab8187042df1ac07742d8acd814dbf7d6a8dcabc7eb979fafc22d282c7ed90675f6db18b8da94c5aff80b90193e475b9de86e

  • memory/1256-4-0x0000000002130000-0x0000000002146000-memory.dmp

    Filesize

    88KB

  • memory/1256-16-0x0000000002690000-0x00000000026A6000-memory.dmp

    Filesize

    88KB

  • memory/1932-14-0x0000000002D40000-0x0000000002E40000-memory.dmp

    Filesize

    1024KB

  • memory/1932-15-0x0000000000400000-0x0000000002C2D000-memory.dmp

    Filesize

    40.2MB

  • memory/1932-17-0x0000000000400000-0x0000000002C2D000-memory.dmp

    Filesize

    40.2MB

  • memory/2872-1-0x0000000000290000-0x0000000000390000-memory.dmp

    Filesize

    1024KB

  • memory/2872-2-0x0000000000400000-0x0000000002C2D000-memory.dmp

    Filesize

    40.2MB

  • memory/2872-3-0x00000000001B0000-0x00000000001BB000-memory.dmp

    Filesize

    44KB

  • memory/2872-5-0x0000000000400000-0x0000000002C2D000-memory.dmp

    Filesize

    40.2MB