Overview

overview

10

Static

static

ytrqk.exe

windows7_x64

10

ytrqk.exe

windows10_x64

10

Analysis

  • max time kernel
    150s
  • max time network
    122s
  • platform
    windows7_x64
  • resource
    win7v20201028
  • submitted
    07-03-2021 06:20

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General

  • Target

    ytrqk.exe

  • Size

    159KB

  • MD5

    d0c53c25e4814001be39bd8e1d19e1f2

  • SHA1

    98b1664f88fabb2299d136bff11377920b1cc096

  • SHA256

    070a94ee0cd9ac1b1ed467353f5731e09cab136315447c04f53bc52d4fe3f8cc

  • SHA512

    261fd9844a9319ecad240f063b6c752f1c277ae1c53edc9a287999f84adb70a8caa233167380c74917eeb9d33812472c9733133110222f283d9e459307fae067

Score
10/10
smokeloaderbackdoortrojan

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.

    trojanbackdoorsmokeloader
  • 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 64 IoCs
  • Suspicious behavior: MapViewOfSection 1 IoCs
  • Suspicious use of FindShellTrayWindow 4 IoCs
  • Suspicious use of SendNotifyMessage 4 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\ytrqk.exe
    "C:\Users\Admin\AppData\Local\Temp\ytrqk.exe"
    1⤵
    • Loads dropped DLL
    • Checks SCSI registry key(s)
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious behavior: MapViewOfSection
    PID:2028

Network

MITRE ATT&CK Matrix ATT&CK v6

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

Query Registry

1
T1012

Peripheral Device Discovery

1
T1120

System Information Discovery

1
T1082

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

Replay Monitor

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Downloads

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

    d124f55b9393c976963407dff51ffa79

    SHA1

    2c7bbedd79791bfb866898c85b504186db610b5d

    SHA256

    ea1e16247c848c8c171c4cd1fa17bc5a018a1fcb0c0dac25009066b6667b8eef

    SHA512

    278fe3a4b1fbbe700e4f4483b610133e975e36e101455661d5197bd892a68839b9d555499040d200c92aefa9e3819380e395c0cd85d5fc845c6364d128a8cf06

    Download Submit
  • memory/1252-7-0x0000000002B40000-0x0000000002B56000-memory.dmp
    Filesize

    88KB

    Download
  • memory/2028-2-0x0000000003120000-0x0000000003131000-memory.dmp
    Filesize

    68KB

    Download
  • memory/2028-3-0x0000000075C31000-0x0000000075C33000-memory.dmp
    Filesize

    8KB

    Download
  • memory/2028-5-0x0000000000020000-0x000000000002A000-memory.dmp
    Filesize

    40KB

    Download
  • memory/2028-6-0x0000000000400000-0x000000000040A000-memory.dmp
    Filesize

    40KB

    Download