Analysis

  • max time kernel
    150s
  • max time network
    112s
  • platform
    windows10_x64
  • resource
    win10v20201028
  • submitted
    02-01-2021 09:37

General

  • Target

    quoo5.dll.exe

  • Size

    251KB

  • MD5

    23627e96f5260b8e1d8fdc3da9250126

  • SHA1

    d68f46e0f9154972b5a0f1dae8e4380a8d227527

  • SHA256

    fed230e1f92000a5860c06228346b7925d8cce2ac1ebc1048ed5c26576c830f7

  • SHA512

    395afa4073a58f2644cb10923e7ed9cb5098ab44f8c4bb5efb3bf4c70f4b5f132511ada4d659667d64a743e18a3751082ce84b85de61566987859f2d29348398

Malware Config

Extracted

Family

smokeloader

Version

2020

C2

http://etasuklavish.today/

http://mragyzmachnobesdi.today/

http://kimchinikuzims.today/

http://slacvostinrius.today/

http://straponuliusyn.today/

http://grammmdinss.today/

http://viprasputinsd.chimkent.su/

http://lupadypa.dagestan.su/

http://stoknolimchin.exnet.su/

http://musaroprovadnikov.live/

http://teemforyourexprensiti.life/

http://stolkgolmishutich.termez.su/

http://roompampamgandish.wtf/

rc4.i32
rc4.i32

Signatures

  • SmokeLoader

    Modular backdoor trojan in use since 2014.

  • Deletes itself 1 IoCs
  • Loads dropped DLL 1 IoCs
  • Checks SCSI registry key(s) 3 TTPs 3 IoCs

    SCSI information is often read in order to detect sandboxing environments.

  • Suspicious behavior: EnumeratesProcesses 2608 IoCs
  • Suspicious behavior: MapViewOfSection 1 IoCs
  • Suspicious use of UnmapMainImage 1 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\quoo5.dll.exe
    "C:\Users\Admin\AppData\Local\Temp\quoo5.dll.exe"
    1⤵
    • Loads dropped DLL
    • Checks SCSI registry key(s)
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious behavior: MapViewOfSection
    PID:728

Network

MITRE ATT&CK Matrix ATT&CK v6

Discovery

Query Registry

1
T1012

Peripheral Device Discovery

1
T1120

System Information Discovery

1
T1082

Replay Monitor

Loading Replay Monitor...

Downloads

  • \Users\Admin\AppData\Local\Temp\2F6.tmp
    MD5

    50741b3f2d7debf5d2bed63d88404029

    SHA1

    56210388a627b926162b36967045be06ffb1aad3

    SHA256

    f2f8732ae464738372ff274b7e481366cecdd2337210d4a3cbcd089c958a730c

    SHA512

    fac6bfe35b1ee08b3d42d330516a260d9cdb4a90bbb0491411a583029b92a59d20af3552372ea8fb3f59442b3945bf524ef284127f397ae7179467080be8e9b3

  • memory/728-2-0x0000000005461000-0x0000000005462000-memory.dmp
    Filesize

    4KB

  • memory/728-3-0x0000000005550000-0x0000000005551000-memory.dmp
    Filesize

    4KB

  • memory/2968-5-0x0000000000640000-0x0000000000656000-memory.dmp
    Filesize

    88KB