Overview

overview

10

Static

static

3a60c7303e...96.exe

windows7_x64

10

3a60c7303e...96.exe

windows10-2004_x64

10

Analysis

  • max time kernel
    188s
  • max time network
    194s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20220414-en
  • submitted
    25-06-2022 04:11

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General

  • Target

    3a60c7303e66283c4535a0c85a8bd754aafdfddb7753d5afc182dbd4f3af8196.exe

  • Size

    229KB

  • MD5

    c9ab19e59a63d2c1923400cd76791526

  • SHA1

    bb66f2e13660565cd91e7e72ad181a90ca477331

  • SHA256

    3a60c7303e66283c4535a0c85a8bd754aafdfddb7753d5afc182dbd4f3af8196

  • SHA512

    de03a0ade42c8edf0daa41f9b5bf77ec31677b712e864639fa89f3410558abd678090c9e35d47a9ba9d4c7c18bb67fffbdcda28b07a9a695f13d287f0ae23783

Score
10/10
smokeloaderbackdoorpersistencesuricatatrojan

Malware Config

Extracted

Family

smokeloader

Version

2017

C2

http://bbank.bit/

http://abank.bit/

Signatures

  • SmokeLoader

    Modular backdoor trojan in use since 2014.

    trojanbackdoorsmokeloader
  • suricata: ET MALWARE Sharik/Smoke Loader Java Connectivity Check

    suricata: ET MALWARE Sharik/Smoke Loader Java Connectivity Check

    suricata
  • Adds policy Run key to start application 2 TTPs 2 IoCs
    persistence
  • Unexpected DNS network traffic destination 3 IoCs

    Network traffic to other servers than the configured DNS servers was detected on the DNS port.

  • Maps connected drives based on registry 3 TTPs 2 IoCs

    Disk information is often read in order to detect sandboxing environments.

  • Suspicious behavior: EnumeratesProcesses 64 IoCs
  • Suspicious behavior: MapViewOfSection 2 IoCs
  • Suspicious use of WriteProcessMemory 5 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\3a60c7303e66283c4535a0c85a8bd754aafdfddb7753d5afc182dbd4f3af8196.exe
    "C:\Users\Admin\AppData\Local\Temp\3a60c7303e66283c4535a0c85a8bd754aafdfddb7753d5afc182dbd4f3af8196.exe"
    1⤵
    • Maps connected drives based on registry
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious behavior: MapViewOfSection
    • Suspicious use of WriteProcessMemory
    PID:4448
    • C:\Windows\splwow64.exe
      C:\Windows\splwow64.exe 12288
      2⤵
        PID:2136
      • C:\Windows\SysWOW64\explorer.exe
        explorer.exe
        2⤵
        • Adds policy Run key to start application
        PID:808

    Network

    MITRE ATT&CK Matrix ATT&CK v6

    Initial Access

    Execution

    Persistence

    Registry Run Keys / Startup Folder

    1
    T1060

    Privilege Escalation

    Defense Evasion

    Modify Registry

    1
    T1112

    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

    • memory/808-134-0x0000000000000000-mapping.dmp
      Download
    • memory/808-136-0x0000000000480000-0x000000000048A000-memory.dmp
      Filesize

      40KB

      Download
    • memory/808-135-0x0000000000F40000-0x0000000001373000-memory.dmp
      Filesize

      4.2MB

      Download
    • memory/2136-130-0x0000000000000000-mapping.dmp
      Download
    • memory/4448-131-0x00000000028E0000-0x0000000002908000-memory.dmp
      Filesize

      160KB

      Download
    • memory/4448-132-0x0000000000400000-0x0000000000445000-memory.dmp
      Filesize

      276KB

      Download
    • memory/4448-133-0x0000000002460000-0x000000000246A000-memory.dmp
      Filesize

      40KB

      Download
    • memory/4448-137-0x0000000002460000-0x000000000246A000-memory.dmp
      Filesize

      40KB

      Download