Overview

overview

10

Static

static

3

efc4a99e2e...18.exe

windows7-x64

10

efc4a99e2e...18.exe

windows10-2004-x64

10

Analysis

  • max time kernel
    152s
  • max time network
    151s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240226-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240226-enlocale:en-usos:windows10-2004-x64system
  • submitted
    14-04-2024 23:32

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General

  • Target

    efc4a99e2e08a0ee43f05a0035014dd0_JaffaCakes118.exe

  • Size

    330KB

  • MD5

    efc4a99e2e08a0ee43f05a0035014dd0

  • SHA1

    02425eb096c5662a17281074e7369b19bac9602c

  • SHA256

    5606d6363b9d8dec0cf41209c6327223e2bb7ce9ab54d8dfa7f61c105ffe68cf

  • SHA512

    740aa4a0dd4668275e8c88efcb251f10a6a15ce0bcb364dc08ed293ecbdd79a89e6eb07259d51f83357a2dc7c47bc95014686805cd5b695d7872793a4abf7f9b

  • SSDEEP

    6144:5OjsuVfy7rVKlDjHt22fQhmPWo4aW1H5rFBX2DcyJVxjrAqHJJT:lify/4DjN2Xhmei4Hd3scmJMKJJ

Score
10/10
smokeloaderpub2backdoortrojan

Malware Config

Extracted

Family

smokeloader

Botnet

pub2

Extracted

Family

smokeloader

Version

2020

C2

http://conceitosseg.com/upload/

http://integrasidata.com/upload/

http://ozentekstil.com/upload/

http://finbelportal.com/upload/

http://telanganadigital.com/upload/
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
  • 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\efc4a99e2e08a0ee43f05a0035014dd0_JaffaCakes118.exe
    "C:\Users\Admin\AppData\Local\Temp\efc4a99e2e08a0ee43f05a0035014dd0_JaffaCakes118.exe"
    1⤵
    • Loads dropped DLL
    • Checks SCSI registry key(s)
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious behavior: MapViewOfSection
    PID:3544
  • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
    "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=utility --utility-sub-type=asset_store.mojom.AssetStoreService --lang=en-US --service-sandbox-type=asset_store_service --no-appcompat-clear --mojo-platform-channel-handle=3868 --field-trial-handle=2280,i,1836084024518340990,18250262151825427757,262144 --variations-seed-version /prefetch:8
    1⤵
      PID:4988

    Network

    MITRE ATT&CK Matrix ATT&CK v13

    Initial Access

    Execution

    Persistence

    Privilege Escalation

    Defense Evasion

    Credential Access

    Discovery

    Query Registry

    2
    T1012

    Peripheral Device Discovery

    1
    T1120

    System Information Discovery

    1
    T1082

    Lateral Movement

    Collection

    Exfiltration

    Command and Control

    Impact

    Resource Development

    Reconnaissance

    Replay Monitor

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    Downloads

    • C:\Users\Admin\AppData\Local\Temp\CC4F.tmp
      Filesize

      1.6MB

      MD5

      4f3387277ccbd6d1f21ac5c07fe4ca68

      SHA1

      e16506f662dc92023bf82def1d621497c8ab5890

      SHA256

      767a3fc4a7a6818cdc3f0b99aaa95db694f6bcde719d2057a88b3d4df3d74fac

      SHA512

      9da199ac69e3c0d4e0c6307e0ab8178f12cc25cb2f14c3511f6b64e6e60a925c860f3263cb38353a97b55a71ef4d27f8cb7fa3cfc08e7c1a349fd8d209dfa219

      Download Submit
    • memory/3196-8-0x0000000002F30000-0x0000000002F45000-memory.dmp
      Filesize

      84KB

      Download
    • memory/3544-1-0x00000000006A0000-0x00000000007A0000-memory.dmp
      Filesize

      1024KB

      Download
    • memory/3544-2-0x0000000000610000-0x0000000000619000-memory.dmp
      Filesize

      36KB

      Download
    • memory/3544-3-0x0000000000400000-0x000000000046E000-memory.dmp
      Filesize

      440KB

      Download
    • memory/3544-9-0x0000000000400000-0x000000000046E000-memory.dmp
      Filesize

      440KB

      Download
    • memory/3544-12-0x0000000000610000-0x0000000000619000-memory.dmp
      Filesize

      36KB

      Download