Overview

overview

10

Static

static

3

4a6d923f2f...18.exe

windows7-x64

10

4a6d923f2f...18.exe

windows10-2004-x64

10

Analysis

  • max time kernel
    150s
  • max time network
    133s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240226-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240226-enlocale:en-usos:windows10-2004-x64system
  • submitted
    31-03-2024 02:12

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General

  • Target

    4a6d923f2f8f1efcfcb99ef933180483_JaffaCakes118.exe

  • Size

    311KB

  • MD5

    4a6d923f2f8f1efcfcb99ef933180483

  • SHA1

    e84d55aacbf51e6424dc683ee762a2975151b018

  • SHA256

    b9d681493294ae866c60e0057bb4e9603edc4456c3a2006bf7646a2fa12116fa

  • SHA512

    324d4ca02cbb2d61fa4a973f6ad85e482d23861e70d7c9538b65bc327e7fd663ff9c02208d058db4aca1b5be88100def820c6dcea6998c1bbb5822dcbdd3d5ba

  • SSDEEP

    6144:IszqpXHHe9Dc/QA1ifvNYGXp1ObZOjOrgqQ3vdq:RzqhHd/QqifFTp1O0CrgqQfA

Score
10/10
smokeloaderbackdoortrojan

Malware Config

Extracted

Family

smokeloader

Version

2020

C2

http://honawey7.xyz/

http://wijibui0.xyz/

http://hefahei6.xyz/

http://pipevai4.xyz/

http://nalirou7.xyz/

http://xacokuo8.xyz/

http://hajezey1.xyz/

http://gejajoo7.xyz/

http://sysaheu9.xyz/

http://rixoxeu9.xyz/
rc4.i32
rc4.i32

Signatures

  • SmokeLoader

    Modular backdoor trojan in use since 2014.

    trojanbackdoorsmokeloader
  • Deletes itself 1 IoCs
  • Suspicious use of SetThreadContext 1 IoCs
  • 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: MapViewOfSection 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 2 IoCs
  • Suspicious use of UnmapMainImage 1 IoCs
  • Suspicious use of WriteProcessMemory 6 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\4a6d923f2f8f1efcfcb99ef933180483_JaffaCakes118.exe
    "C:\Users\Admin\AppData\Local\Temp\4a6d923f2f8f1efcfcb99ef933180483_JaffaCakes118.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious use of WriteProcessMemory
    PID:2152
    • C:\Users\Admin\AppData\Local\Temp\4a6d923f2f8f1efcfcb99ef933180483_JaffaCakes118.exe
      "C:\Users\Admin\AppData\Local\Temp\4a6d923f2f8f1efcfcb99ef933180483_JaffaCakes118.exe"
      2⤵
      • Checks SCSI registry key(s)
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious behavior: MapViewOfSection
      PID:4892
      • C:\Windows\SysWOW64\WerFault.exe
        C:\Windows\SysWOW64\WerFault.exe -u -p 4892 -s 328
        3⤵
        • Program crash
        PID:8
  • C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 4892 -ip 4892
    1⤵
      PID:4548

    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

    Loading Replay Monitor...

    Downloads

    • memory/2152-1-0x00000000018C0000-0x00000000019C0000-memory.dmp
      Filesize

      1024KB

      Download
    • memory/2152-2-0x0000000001850000-0x0000000001859000-memory.dmp
      Filesize

      36KB

      Download
    • memory/3408-6-0x0000000002230000-0x0000000002246000-memory.dmp
      Filesize

      88KB

      Download
    • memory/4892-3-0x0000000000400000-0x0000000000409000-memory.dmp
      Filesize

      36KB

      Download
    • memory/4892-4-0x0000000000400000-0x0000000000409000-memory.dmp
      Filesize

      36KB

      Download
    • memory/4892-5-0x0000000000400000-0x0000000000409000-memory.dmp
      Filesize

      36KB

      Download
    • memory/4892-9-0x0000000000410000-0x00000000004D9000-memory.dmp
      Filesize

      804KB

      Download
    • memory/4892-10-0x0000000000400000-0x0000000000409000-memory.dmp
      Filesize

      36KB

      Download