Overview

overview

10

Static

static

pax. ü 00163-2021.js

windows7_x64

10

pax. ü 00163-2021.js

windows10_x64

10

Analysis

  • max time kernel
    153s
  • max time network
    124s
  • platform
    windows7_x64
  • resource
    win7v20210408
  • submitted
    20-04-2021 12:22

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General

  • Target

    pax. ü 00163-2021.js

  • Size

    66KB

  • MD5

    0819eda4c8a833cb2ffd5c4f2a297fdc

  • SHA1

    8b64c307ac3ae0e55ebc879528188257f16d2c80

  • SHA256

    caabe0aa3bf3d3ffb2e90fde81869aeed004bf6f9f5182e43069e648f44df4a0

  • SHA512

    270c3dec904d5f8eb1bbaeb9b5c497076953f39e154adf24daf18f36095bd3d59056717ee7e5dab2d0b10dbe67ddcec6db7a0e6357720ce3f1100652e3db5866

Score
10/10
smokeloaderbackdoortrojan

Malware Config

Extracted

Family

smokeloader

Version

2020

C2

http://smbproperty.ru/

http://gmbshop.ru/

http://baksproperty.gov.ug/

http://magistralpsw.ru/

http://mpmanagertzz.ru/

http://powerglasspot.ru/

http://autopartswarehouses.ru/

http://memoloves.ru/

http://alfavanilin.ru/
rc4.i32
rc4.i32

Signatures

  • SmokeLoader

    Modular backdoor trojan in use since 2014.

    trojanbackdoorsmokeloader
  • Blocklisted process makes network request 1 IoCs
  • Downloads MZ/PE file
  • Executes dropped EXE 1 IoCs
  • Loads dropped DLL 1 IoCs
  • Enumerates physical storage devices 1 TTPs

    Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.

  • 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
  • Suspicious use of WriteProcessMemory 4 IoCs

Processes

  • C:\Windows\system32\wscript.exe
    wscript.exe "C:\Users\Admin\AppData\Local\Temp\pax. ü 00163-2021.js"
    1⤵
    • Blocklisted process makes network request
    • Suspicious use of WriteProcessMemory
    PID:1684
    • C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Templates\713631.dat
      C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Templates\713631.dat
      2⤵
      • Executes dropped EXE
      • Loads dropped DLL
      • Checks SCSI registry key(s)
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious behavior: MapViewOfSection
      PID:884

Network

MITRE ATT&CK Matrix ATT&CK v6

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

System Information Discovery

2
T1082

Query Registry

1
T1012

Peripheral Device Discovery

1
T1120

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

Replay Monitor

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Downloads

  • C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Templates\713631.dat
    MD5

    c78d424eba64076d3af57b29b7602d25

    SHA1

    c0a75b1e6c61f81f57d810b2cf74599038b51350

    SHA256

    5d82b4f16469d125e3615431b1ccdbbf2decc388e1e3b417d2c0e12e0cca78f6

    SHA512

    281fe544504c2f90c7938c2fd21c4ddfd95046f287e36cc5070a0504bd926ac04b728490317ddca93ebef705499efacda3c79b1e9873215a177238aeda2f2bdc

    Download Submit
  • C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Templates\713631.dat
    MD5

    c78d424eba64076d3af57b29b7602d25

    SHA1

    c0a75b1e6c61f81f57d810b2cf74599038b51350

    SHA256

    5d82b4f16469d125e3615431b1ccdbbf2decc388e1e3b417d2c0e12e0cca78f6

    SHA512

    281fe544504c2f90c7938c2fd21c4ddfd95046f287e36cc5070a0504bd926ac04b728490317ddca93ebef705499efacda3c79b1e9873215a177238aeda2f2bdc

    Download Submit
  • \Users\Admin\AppData\Local\Temp\9419.tmp
    MD5

    d124f55b9393c976963407dff51ffa79

    SHA1

    2c7bbedd79791bfb866898c85b504186db610b5d

    SHA256

    ea1e16247c848c8c171c4cd1fa17bc5a018a1fcb0c0dac25009066b6667b8eef

    SHA512

    278fe3a4b1fbbe700e4f4483b610133e975e36e101455661d5197bd892a68839b9d555499040d200c92aefa9e3819380e395c0cd85d5fc845c6364d128a8cf06

    Download Submit
  • memory/884-60-0x0000000000000000-mapping.dmp
    Download
  • memory/884-62-0x0000000075B31000-0x0000000075B33000-memory.dmp
    Filesize

    8KB

    Download
  • memory/884-63-0x0000000000220000-0x000000000022A000-memory.dmp
    Filesize

    40KB

    Download
  • memory/884-64-0x0000000000400000-0x0000000000835000-memory.dmp
    Filesize

    4.2MB

    Download
  • memory/1228-66-0x0000000002A10000-0x0000000002A26000-memory.dmp
    Filesize

    88KB

    Download