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
    150s
  • max time network
    111s
  • platform
    windows10_x64
  • resource
    win10v20210410
  • 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
  • Suspicious use of NtCreateProcessExOtherParentProcess 1 IoCs
  • Blocklisted process makes network request 1 IoCs
  • Downloads MZ/PE file
  • Executes dropped EXE 2 IoCs
  • Loads dropped DLL 1 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • Program crash 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: GetForegroundWindowSpam 1 IoCs
  • Suspicious behavior: MapViewOfSection 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 13 IoCs
  • Suspicious use of UnmapMainImage 1 IoCs
  • Suspicious use of WriteProcessMemory 3 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:1824
    • C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Templates\601490.dat
      C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Templates\601490.dat
      2⤵
      • Executes dropped EXE
      • Loads dropped DLL
      • Checks SCSI registry key(s)
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious behavior: MapViewOfSection
      PID:2168
  • C:\Users\Admin\AppData\Roaming\vdshvar
    C:\Users\Admin\AppData\Roaming\vdshvar
    1⤵
    • Executes dropped EXE
    PID:4068
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 4068 -s 248
      2⤵
      • Suspicious use of NtCreateProcessExOtherParentProcess
      • Program crash
      • Suspicious use of AdjustPrivilegeToken
      PID:3948

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\Local\Temp\9419.tmp
    MD5

    50741b3f2d7debf5d2bed63d88404029

    SHA1

    56210388a627b926162b36967045be06ffb1aad3

    SHA256

    f2f8732ae464738372ff274b7e481366cecdd2337210d4a3cbcd089c958a730c

    SHA512

    fac6bfe35b1ee08b3d42d330516a260d9cdb4a90bbb0491411a583029b92a59d20af3552372ea8fb3f59442b3945bf524ef284127f397ae7179467080be8e9b3

    Download Submit
  • C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Templates\601490.dat
    MD5

    c78d424eba64076d3af57b29b7602d25

    SHA1

    c0a75b1e6c61f81f57d810b2cf74599038b51350

    SHA256

    5d82b4f16469d125e3615431b1ccdbbf2decc388e1e3b417d2c0e12e0cca78f6

    SHA512

    281fe544504c2f90c7938c2fd21c4ddfd95046f287e36cc5070a0504bd926ac04b728490317ddca93ebef705499efacda3c79b1e9873215a177238aeda2f2bdc

    Download Submit
  • C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Templates\601490.dat
    MD5

    c78d424eba64076d3af57b29b7602d25

    SHA1

    c0a75b1e6c61f81f57d810b2cf74599038b51350

    SHA256

    5d82b4f16469d125e3615431b1ccdbbf2decc388e1e3b417d2c0e12e0cca78f6

    SHA512

    281fe544504c2f90c7938c2fd21c4ddfd95046f287e36cc5070a0504bd926ac04b728490317ddca93ebef705499efacda3c79b1e9873215a177238aeda2f2bdc

    Download Submit
  • C:\Users\Admin\AppData\Roaming\vdshvar
    MD5

    c78d424eba64076d3af57b29b7602d25

    SHA1

    c0a75b1e6c61f81f57d810b2cf74599038b51350

    SHA256

    5d82b4f16469d125e3615431b1ccdbbf2decc388e1e3b417d2c0e12e0cca78f6

    SHA512

    281fe544504c2f90c7938c2fd21c4ddfd95046f287e36cc5070a0504bd926ac04b728490317ddca93ebef705499efacda3c79b1e9873215a177238aeda2f2bdc

    Download Submit
  • C:\Users\Admin\AppData\Roaming\vdshvar
    MD5

    c78d424eba64076d3af57b29b7602d25

    SHA1

    c0a75b1e6c61f81f57d810b2cf74599038b51350

    SHA256

    5d82b4f16469d125e3615431b1ccdbbf2decc388e1e3b417d2c0e12e0cca78f6

    SHA512

    281fe544504c2f90c7938c2fd21c4ddfd95046f287e36cc5070a0504bd926ac04b728490317ddca93ebef705499efacda3c79b1e9873215a177238aeda2f2bdc

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

    50741b3f2d7debf5d2bed63d88404029

    SHA1

    56210388a627b926162b36967045be06ffb1aad3

    SHA256

    f2f8732ae464738372ff274b7e481366cecdd2337210d4a3cbcd089c958a730c

    SHA512

    fac6bfe35b1ee08b3d42d330516a260d9cdb4a90bbb0491411a583029b92a59d20af3552372ea8fb3f59442b3945bf524ef284127f397ae7179467080be8e9b3

    Download Submit
  • memory/1392-120-0x0000000000B30000-0x0000000000B46000-memory.dmp
    Filesize

    88KB

    Download
  • memory/2168-114-0x0000000000000000-mapping.dmp
    Download
  • memory/2168-119-0x0000000000400000-0x0000000000835000-memory.dmp
    Filesize

    4.2MB

    Download
  • memory/2168-118-0x00000000009A0000-0x00000000009AA000-memory.dmp
    Filesize

    40KB

    Download
  • memory/4068-124-0x0000000000840000-0x00000000008EE000-memory.dmp
    Filesize

    696KB

    Download
  • memory/4068-125-0x0000000000400000-0x0000000000835000-memory.dmp
    Filesize

    4.2MB

    Download