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Analysis

  • max time kernel
    150s
  • max time network
    34s
  • platform
    windows7_x64
  • resource
    win7-20230621-de
  • resource tags

    arch:x64arch:x86image:win7-20230621-delocale:de-deos:windows7-x64systemwindows
  • submitted
    27/06/2023, 11:59

General

  • Target

    KSMIXTWO.exe

  • Size

    218KB

  • MD5

    3fb539ea9dbcfdfac4ecd7376922d5b0

  • SHA1

    9664662e481b5f2422734debd157767d37faea52

  • SHA256

    cc972f18e2f649cb4c8de3d5dea102616cc95ec23ff1301d7d0d35beab7bd0bc

  • SHA512

    2b35491130180c852e6d80d073dd00fa45c7fbf42ef42e03c3497fda04c3bddba74d021cd58d5bd0c3bbeaa93e299ddf2a456d4743bc53e371f0aa5ef0404730

  • SSDEEP

    3072:xk2bU28gD+vM/59zVPIqtn8say5UOHVyk+XWDbaJ8tBRfaAsf7P5BSc:xjbagKIzVAoZayzHtnaJ83RfaDf7vSc

Malware Config

Extracted

Family

smokeloader

Botnet

pub4

Extracted

Family

smokeloader

Version

2022

C2

http://aapu.at/tmp/

http://poudineh.com/tmp/

http://firsttrusteedrx.ru/tmp/

http://kingpirate.ru/tmp/

rc4.i32
rc4.i32

Signatures

  • SmokeLoader

    Modular backdoor trojan in use since 2014.

  • 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

Processes

  • C:\Users\Admin\AppData\Local\Temp\KSMIXTWO.exe
    "C:\Users\Admin\AppData\Local\Temp\KSMIXTWO.exe"
    1⤵
    • Checks SCSI registry key(s)
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious behavior: MapViewOfSection
    PID:1292

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

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Downloads

  • memory/1148-56-0x0000000002A80000-0x0000000002A96000-memory.dmp

    Filesize

    88KB

  • memory/1148-60-0x000007FEB25E0000-0x000007FEB25EA000-memory.dmp

    Filesize

    40KB

  • memory/1292-55-0x0000000000220000-0x0000000000229000-memory.dmp

    Filesize

    36KB

  • memory/1292-57-0x0000000000400000-0x00000000004A6000-memory.dmp

    Filesize

    664KB