Overview

overview

10

Static

static

1

setup.exe

windows7-x64

10

setup.exe

windows10-2004-x64

10

Analysis

  • max time kernel
    150s
  • max time network
    153s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20230220-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20230220-enlocale:en-usos:windows10-2004-x64system
  • submitted
    16/04/2023, 00:38 UTC

Sharing

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Report Analysis Logs

General

  • Target

    setup.exe

  • Size

    351KB

  • MD5

    ea007e374c956f9e79f371c972dee903

  • SHA1

    d77bacb293f273bb1bb26f5c741df56fe8edf692

  • SHA256

    7ce2b0a650ffc873553fefc362662af8e8bd1fb924f91c5c7b535e51e39e4898

  • SHA512

    1bfbe9057017b2bfca503818d7f98eb65ebff9959e704a2f2ba8c52588588f51731ae2032af0f2b4dbd7733b9d2c94098e5331fe559f77f897f1ae2f82c1df1b

  • SSDEEP

    3072:OBN5CO1YQcbaseoZyfxAcSYXKh2Nr0ezQra1eICGZx66oUr0ppNA0DAWpfB5cFAP:yNWQ636fZT3Uw6ze0pAXWpESwe4

Score
10/10
smokeloaderpu10backdoortrojan

Malware Config

Extracted

Family

smokeloader

Botnet

pu10

Extracted

Family

smokeloader

Version

2020

C2

http://host-file-host6.com/

http://host-host-file8.com/
rc4.i32
1
0x33f8f0d2
rc4.i32
1
0xaa0488bb

Signatures

  • SmokeLoader

    Modular backdoor trojan in use since 2014.

    trojanbackdoorsmokeloader
  • Executes dropped EXE 2 IoCs
  • Suspicious use of SetThreadContext 2 IoCs
  • Checks SCSI registry key(s) 3 TTPs 6 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 2 IoCs
  • Suspicious use of AdjustPrivilegeToken 2 IoCs
  • Suspicious use of WriteProcessMemory 12 IoCs
  • Uses Task Scheduler COM API 1 TTPs

    The Task Scheduler COM API can be used to schedule applications to run on boot or at set times.

    persistence

Processes

  • C:\Users\Admin\AppData\Local\Temp\setup.exe
    "C:\Users\Admin\AppData\Local\Temp\setup.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious use of WriteProcessMemory
    PID:4484
    • C:\Users\Admin\AppData\Local\Temp\setup.exe
      "C:\Users\Admin\AppData\Local\Temp\setup.exe"
      2⤵
      • Checks SCSI registry key(s)
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious behavior: MapViewOfSection
      PID:1948
  • C:\Users\Admin\AppData\Roaming\hdhtdfc
    C:\Users\Admin\AppData\Roaming\hdhtdfc
    1⤵
    • Executes dropped EXE
    • Suspicious use of SetThreadContext
    • Suspicious use of WriteProcessMemory
    PID:4400
    • C:\Users\Admin\AppData\Roaming\hdhtdfc
      C:\Users\Admin\AppData\Roaming\hdhtdfc
      2⤵
      • Executes dropped EXE
      • Checks SCSI registry key(s)
      • Suspicious behavior: MapViewOfSection
      PID:1600

Network

  • flag-us
    DNS
    164.2.77.40.in-addr.arpa
    Remote address:
    8.8.8.8:53
    Request
    164.2.77.40.in-addr.arpa
    IN PTR
    Response
  • flag-us
    DNS
    164.113.223.173.in-addr.arpa
    Remote address:
    8.8.8.8:53
    Request
    164.113.223.173.in-addr.arpa
    IN PTR
    Response
    164.113.223.173.in-addr.arpa
    IN PTR
    a173-223-113-164deploystaticakamaitechnologiescom
  • flag-us
    DNS
    95.221.229.192.in-addr.arpa
    Remote address:
    8.8.8.8:53
    Request
    95.221.229.192.in-addr.arpa
    IN PTR
    Response
  • flag-us
    DNS
    149.220.183.52.in-addr.arpa
    Remote address:
    8.8.8.8:53
    Request
    149.220.183.52.in-addr.arpa
    IN PTR
    Response
  • flag-us
    DNS
    250.108.137.52.in-addr.arpa
    Remote address:
    8.8.8.8:53
    Request
    250.108.137.52.in-addr.arpa
    IN PTR
    Response
  • flag-us
    DNS
    58.55.71.13.in-addr.arpa
    Remote address:
    8.8.8.8:53
    Request
    58.55.71.13.in-addr.arpa
    IN PTR
    Response
  • flag-us
    DNS
    50.23.12.20.in-addr.arpa
    Remote address:
    8.8.8.8:53
    Request
    50.23.12.20.in-addr.arpa
    IN PTR
    Response
  • flag-us
    DNS
    2.36.159.162.in-addr.arpa
    Remote address:
    8.8.8.8:53
    Request
    2.36.159.162.in-addr.arpa
    IN PTR
    Response
  • flag-us
    DNS
    50.23.12.20.in-addr.arpa
    Remote address:
    8.8.8.8:53
    Request
    50.23.12.20.in-addr.arpa
    IN PTR
    Response
  • flag-us
    DNS
    157.123.68.40.in-addr.arpa
    Remote address:
    8.8.8.8:53
    Request
    157.123.68.40.in-addr.arpa
    IN PTR
    Response
  • flag-us
    DNS
    host-file-host6.com
    Remote address:
    8.8.8.8:53
    Request
    host-file-host6.com
    IN A
    Response
    host-file-host6.com
    IN A
    176.124.192.55
  • flag-ru
    POST
    http://host-file-host6.com/
    Remote address:
    176.124.192.55:80
    Request
    POST / HTTP/1.1
    Connection: Keep-Alive
    Content-Type: application/x-www-form-urlencoded
    Accept: */*
    Referer: http://dolyymkb.org/
    User-Agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64; Trident/7.0; rv:11.0) like Gecko
    Content-Length: 205
    Host: host-file-host6.com
    Response
    HTTP/1.1 200 OK
    Server: nginx/1.20.2
    Date: Sun, 16 Apr 2023 00:38:30 GMT
    Content-Type: text/html; charset=UTF-8
    Transfer-Encoding: chunked
    Connection: close
  • flag-us
    DNS
    254.136.241.8.in-addr.arpa
    Remote address:
    8.8.8.8:53
    Request
    254.136.241.8.in-addr.arpa
    IN PTR
    Response
  • flag-us
    DNS
    host-host-file8.com
    Remote address:
    8.8.8.8:53
    Request
    host-host-file8.com
    IN A
    Response
  • flag-us
    DNS
    host-host-file8.com
    Remote address:
    8.8.8.8:53
    Request
    host-host-file8.com
    IN A
    Response
  • flag-us
    DNS
    host-host-file8.com
    Remote address:
    8.8.8.8:53
    Request
    host-host-file8.com
    IN A
    Response
  • flag-us
    DNS
    host-host-file8.com
    Remote address:
    8.8.8.8:53
    Request
    host-host-file8.com
    IN A
    Response
  • flag-us
    DNS
    55.192.124.176.in-addr.arpa
    Remote address:
    8.8.8.8:53
    Request
    55.192.124.176.in-addr.arpa
    IN PTR
    Response
  • flag-us
    DNS
    42.220.44.20.in-addr.arpa
    Remote address:
    8.8.8.8:53
    Request
    42.220.44.20.in-addr.arpa
    IN PTR
    Response
  • flag-us
    DNS
    171.39.242.20.in-addr.arpa
    Remote address:
    8.8.8.8:53
    Request
    171.39.242.20.in-addr.arpa
    IN PTR
    Response
  • flag-us
    DNS
    183.59.114.20.in-addr.arpa
    Remote address:
    8.8.8.8:53
    Request
    183.59.114.20.in-addr.arpa
    IN PTR
    Response
  • flag-us
    DNS
    71.31.126.40.in-addr.arpa
    Remote address:
    8.8.8.8:53
    Request
    71.31.126.40.in-addr.arpa
    IN PTR
    Response
  • flag-us
    DNS
    55.37.195.20.in-addr.arpa
    Remote address:
    8.8.8.8:53
    Request
    55.37.195.20.in-addr.arpa
    IN PTR
    Response
  • flag-us
    DNS
    99.113.223.173.in-addr.arpa
    Remote address:
    8.8.8.8:53
    Request
    99.113.223.173.in-addr.arpa
    IN PTR
    Response
    99.113.223.173.in-addr.arpa
    IN PTR
    a173-223-113-99deploystaticakamaitechnologiescom
  • flag-us
    DNS
    119.110.54.20.in-addr.arpa
    Remote address:
    8.8.8.8:53
    Request
    119.110.54.20.in-addr.arpa
    IN PTR
    Response
  • flag-us
    DNS
    250.255.255.239.in-addr.arpa
    Remote address:
    8.8.8.8:53
    Request
    250.255.255.239.in-addr.arpa
    IN PTR
    Response
  • flag-us
    DNS
    126.168.241.8.in-addr.arpa
    Remote address:
    8.8.8.8:53
    Request
    126.168.241.8.in-addr.arpa
    IN PTR
    Response
  • flag-us
    DNS
    126.153.241.8.in-addr.arpa
    Remote address:
    8.8.8.8:53
    Request
    126.153.241.8.in-addr.arpa
    IN PTR
    Response
  • flag-us
    DNS
    1.208.79.178.in-addr.arpa
    Remote address:
    8.8.8.8:53
    Request
    1.208.79.178.in-addr.arpa
    IN PTR
    Response
    1.208.79.178.in-addr.arpa
    IN PTR
    https-178-79-208-1amsllnwnet
  • flag-us
    DNS
    240.232.18.117.in-addr.arpa
    Remote address:
    8.8.8.8:53
    Request
    240.232.18.117.in-addr.arpa
    IN PTR
    Response
  • flag-us
    DNS
    254.128.241.8.in-addr.arpa
    Remote address:
    8.8.8.8:53
    Request
    254.128.241.8.in-addr.arpa
    IN PTR
    Response
  • flag-us
    DNS
    45.8.109.52.in-addr.arpa
    Remote address:
    8.8.8.8:53
    Request
    45.8.109.52.in-addr.arpa
    IN PTR
    Response
  • flag-us
    DNS
    32.134.221.88.in-addr.arpa
    Remote address:
    8.8.8.8:53
    Request
    32.134.221.88.in-addr.arpa
    IN PTR
    Response
    32.134.221.88.in-addr.arpa
    IN PTR
    a88-221-134-32deploystaticakamaitechnologiescom
  • flag-us
    DNS
    1.202.248.87.in-addr.arpa
    Remote address:
    8.8.8.8:53
    Request
    1.202.248.87.in-addr.arpa
    IN PTR
    Response
    1.202.248.87.in-addr.arpa
    IN PTR
    https-87-248-202-1amsllnwnet
  • flag-us
    DNS
    240.232.229.192.in-addr.arpa
    Remote address:
    8.8.8.8:53
    Request
    240.232.229.192.in-addr.arpa
    IN PTR
    Response
  • 40.77.2.164:443
    276 B
     6
  • 52.152.110.14:443
    208 B
     4
  • 52.152.110.14:443
    260 B
     5
  • 176.124.192.55:80
    http://host-file-host6.com/
    http
    747 B
     402 B
     6
    5

    HTTP Request

    POST http://host-file-host6.com/

    HTTP Response

    200
  • 20.50.201.200:443
    322 B
     7
  • 8.238.21.126:80
    322 B
     7
  • 93.184.220.29:80
    322 B
     7
  • 8.238.21.126:80
    322 B
     7
  • 8.238.21.126:80
    322 B
     7
  • 8.8.8.8:53
    164.2.77.40.in-addr.arpa
    dns
    70 B
     144 B
     1
    1

    DNS Request

    164.2.77.40.in-addr.arpa

  • 8.8.8.8:53
    164.113.223.173.in-addr.arpa
    dns
    74 B
     141 B
     1
    1

    DNS Request

    164.113.223.173.in-addr.arpa

  • 8.8.8.8:53
    95.221.229.192.in-addr.arpa
    dns
    73 B
     144 B
     1
    1

    DNS Request

    95.221.229.192.in-addr.arpa

  • 8.8.8.8:53
    149.220.183.52.in-addr.arpa
    dns
    73 B
     147 B
     1
    1

    DNS Request

    149.220.183.52.in-addr.arpa

  • 8.8.8.8:53
    250.108.137.52.in-addr.arpa
    dns
    73 B
     147 B
     1
    1

    DNS Request

    250.108.137.52.in-addr.arpa

  • 8.8.8.8:53
    58.55.71.13.in-addr.arpa
    dns
    70 B
     144 B
     1
    1

    DNS Request

    58.55.71.13.in-addr.arpa

  • 8.8.8.8:53
    50.23.12.20.in-addr.arpa
    dns
    70 B
     156 B
     1
    1

    DNS Request

    50.23.12.20.in-addr.arpa

  • 8.8.8.8:53
    2.36.159.162.in-addr.arpa
    dns
    71 B
     133 B
     1
    1

    DNS Request

    2.36.159.162.in-addr.arpa

  • 8.8.8.8:53
    50.23.12.20.in-addr.arpa
    dns
    70 B
     156 B
     1
    1

    DNS Request

    50.23.12.20.in-addr.arpa

  • 8.8.8.8:53
    157.123.68.40.in-addr.arpa
    dns
    72 B
     146 B
     1
    1

    DNS Request

    157.123.68.40.in-addr.arpa

  • 8.8.8.8:53
    host-file-host6.com
    dns
    65 B
     81 B
     1
    1

    DNS Request

    host-file-host6.com

    DNS Response

    176.124.192.55

  • 8.8.8.8:53
    254.136.241.8.in-addr.arpa
    dns
    72 B
     126 B
     1
    1

    DNS Request

    254.136.241.8.in-addr.arpa

  • 8.8.8.8:53
    host-host-file8.com
    dns
    260 B
     260 B
     4
    4

    DNS Request

    host-host-file8.com

    DNS Request

    host-host-file8.com

    DNS Request

    host-host-file8.com

    DNS Request

    host-host-file8.com

  • 8.8.8.8:53
    55.192.124.176.in-addr.arpa
    dns
    73 B
     133 B
     1
    1

    DNS Request

    55.192.124.176.in-addr.arpa

  • 8.8.8.8:53
    42.220.44.20.in-addr.arpa
    dns
    71 B
     157 B
     1
    1

    DNS Request

    42.220.44.20.in-addr.arpa

  • 8.8.8.8:53
    171.39.242.20.in-addr.arpa
    dns
    72 B
     158 B
     1
    1

    DNS Request

    171.39.242.20.in-addr.arpa

  • 8.8.8.8:53
    183.59.114.20.in-addr.arpa
    dns
    72 B
     158 B
     1
    1

    DNS Request

    183.59.114.20.in-addr.arpa

  • 8.8.8.8:53
    71.31.126.40.in-addr.arpa
    dns
    71 B
     157 B
     1
    1

    DNS Request

    71.31.126.40.in-addr.arpa

  • 8.8.8.8:53
    55.37.195.20.in-addr.arpa
    dns
    71 B
     157 B
     1
    1

    DNS Request

    55.37.195.20.in-addr.arpa

  • 8.8.8.8:53
    99.113.223.173.in-addr.arpa
    dns
    73 B
     139 B
     1
    1

    DNS Request

    99.113.223.173.in-addr.arpa

  • 8.8.8.8:53
    119.110.54.20.in-addr.arpa
    dns
    72 B
     158 B
     1
    1

    DNS Request

    119.110.54.20.in-addr.arpa

  • 8.8.8.8:53
    250.255.255.239.in-addr.arpa
    dns
    74 B
     131 B
     1
    1

    DNS Request

    250.255.255.239.in-addr.arpa

  • 8.8.8.8:53
    126.168.241.8.in-addr.arpa
    dns
    72 B
     126 B
     1
    1

    DNS Request

    126.168.241.8.in-addr.arpa

  • 8.8.8.8:53
    126.153.241.8.in-addr.arpa
    dns
    72 B
     126 B
     1
    1

    DNS Request

    126.153.241.8.in-addr.arpa

  • 8.8.8.8:53
    1.208.79.178.in-addr.arpa
    dns
    71 B
     116 B
     1
    1

    DNS Request

    1.208.79.178.in-addr.arpa

  • 8.8.8.8:53
    240.232.18.117.in-addr.arpa
    dns
    73 B
     144 B
     1
    1

    DNS Request

    240.232.18.117.in-addr.arpa

  • 8.8.8.8:53
    254.128.241.8.in-addr.arpa
    dns
    72 B
     126 B
     1
    1

    DNS Request

    254.128.241.8.in-addr.arpa

  • 8.8.8.8:53
    45.8.109.52.in-addr.arpa
    dns
    70 B
     144 B
     1
    1

    DNS Request

    45.8.109.52.in-addr.arpa

  • 8.8.8.8:53
    32.134.221.88.in-addr.arpa
    dns
    72 B
     137 B
     1
    1

    DNS Request

    32.134.221.88.in-addr.arpa

  • 8.8.8.8:53
    1.202.248.87.in-addr.arpa
    dns
    71 B
     116 B
     1
    1

    DNS Request

    1.202.248.87.in-addr.arpa

  • 8.8.8.8:53
    240.232.229.192.in-addr.arpa
    dns
    74 B
     145 B
     1
    1

    DNS Request

    240.232.229.192.in-addr.arpa

MITRE ATT&CK Enterprise v6

Replay Monitor

Loading Replay Monitor...

Downloads

  • C:\Users\Admin\AppData\Roaming\hdhtdfc
    Filesize

    351KB

    MD5

    ea007e374c956f9e79f371c972dee903

    SHA1

    d77bacb293f273bb1bb26f5c741df56fe8edf692

    SHA256

    7ce2b0a650ffc873553fefc362662af8e8bd1fb924f91c5c7b535e51e39e4898

    SHA512

    1bfbe9057017b2bfca503818d7f98eb65ebff9959e704a2f2ba8c52588588f51731ae2032af0f2b4dbd7733b9d2c94098e5331fe559f77f897f1ae2f82c1df1b

    Download Submit

  • C:\Users\Admin\AppData\Roaming\hdhtdfc
    Filesize

    351KB

    MD5

    ea007e374c956f9e79f371c972dee903

    SHA1

    d77bacb293f273bb1bb26f5c741df56fe8edf692

    SHA256

    7ce2b0a650ffc873553fefc362662af8e8bd1fb924f91c5c7b535e51e39e4898

    SHA512

    1bfbe9057017b2bfca503818d7f98eb65ebff9959e704a2f2ba8c52588588f51731ae2032af0f2b4dbd7733b9d2c94098e5331fe559f77f897f1ae2f82c1df1b

    Download Submit

  • C:\Users\Admin\AppData\Roaming\hdhtdfc
    Filesize

    351KB

    MD5

    ea007e374c956f9e79f371c972dee903

    SHA1

    d77bacb293f273bb1bb26f5c741df56fe8edf692

    SHA256

    7ce2b0a650ffc873553fefc362662af8e8bd1fb924f91c5c7b535e51e39e4898

    SHA512

    1bfbe9057017b2bfca503818d7f98eb65ebff9959e704a2f2ba8c52588588f51731ae2032af0f2b4dbd7733b9d2c94098e5331fe559f77f897f1ae2f82c1df1b

    Download Submit

  • memory/1600-149-0x0000000000400000-0x0000000000409000-memory.dmp

    Filesize

    36KB

    Download

  • memory/1600-153-0x0000000000400000-0x0000000000409000-memory.dmp

    Filesize

    36KB

    Download

  • memory/1948-134-0x0000000000400000-0x0000000000409000-memory.dmp

    Filesize

    36KB

    Download

  • memory/1948-136-0x0000000000400000-0x0000000000409000-memory.dmp

    Filesize

    36KB

    Download

  • memory/1948-138-0x0000000000400000-0x0000000000409000-memory.dmp

    Filesize

    36KB

    Download

  • memory/3112-137-0x0000000000CF0000-0x0000000000D06000-memory.dmp

    Filesize

    88KB

    Download

  • memory/3112-150-0x00000000026D0000-0x00000000026E6000-memory.dmp

    Filesize

    88KB

    Download

  • memory/4484-135-0x00000000001F0000-0x00000000001F9000-memory.dmp

    Filesize

    36KB

    Download

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