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Analysis

  • max time kernel
    150s
  • max time network
    30s
  • platform
    windows7_x64
  • resource
    win7-20230220-en
  • resource tags

    arch:x64arch:x86image:win7-20230220-enlocale:en-usos:windows7-x64system
  • submitted
    18/05/2023, 14:12

General

  • Target

    startup.dll.exe

  • Size

    216KB

  • MD5

    33d60a6162d7c6c1f48f96c770ba8dc3

  • SHA1

    6e9e1c3f7d570756e51a95d1add013a70340fd19

  • SHA256

    cfbcaceb818ccb9659325848991f7825d682e790abecc15cf6418d3577f1f0c5

  • SHA512

    ac9b80376166ceea1a612ccecab67ddb0b220003099efeaebcddae7bf96001118611b05263be32ca1cd581765fae920bd7ceae256ea7380cab39e967d5cf7c44

  • SSDEEP

    3072:8wo8lMoohg9X4FmOpS3Td4pDwhDOXG9X7ZOqzm0mDrj0RtP5y:Flp9IFLpSd4pKOsX7ZOwmVDERS

Malware Config

Extracted

Family

smokeloader

Botnet

sprg

Extracted

Family

smokeloader

Version

2022

C2

http://hoh0aeghwugh2gie.com/

http://hie7doodohpae4na.com/

http://aek0aicifaloh1yo.com/

http://yic0oosaeiy7ahng.com/

http://wa5zu7sekai8xeih.com/

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\startup.dll.exe
    "C:\Users\Admin\AppData\Local\Temp\startup.dll.exe"
    1⤵
    • Checks SCSI registry key(s)
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious behavior: MapViewOfSection
    PID:284

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

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Downloads

  • memory/284-55-0x0000000000230000-0x0000000000239000-memory.dmp

    Filesize

    36KB

  • memory/284-57-0x0000000000400000-0x0000000002B91000-memory.dmp

    Filesize

    39.6MB

  • memory/1336-56-0x0000000002230000-0x0000000002246000-memory.dmp

    Filesize

    88KB

  • memory/1336-60-0x000007FF15510000-0x000007FF1551A000-memory.dmp

    Filesize

    40KB