Overview

overview

10

Static

static

3

f39faafbb1...18.exe

windows7-x64

10

f39faafbb1...18.exe

windows10-2004-x64

10

Sharing

Copy URL
Twitter E-mail

General

  • Target

    f39faafbb1da36fab9a5682550d36926_JaffaCakes118

  • Size

    646KB

  • Sample

    241215-mrd11stlan

  • MD5

    f39faafbb1da36fab9a5682550d36926

  • SHA1

    6cca16af9aa9ffb6ffac8eb0df35b21847f8da6a

  • SHA256

    4e307ed1132b7102cefd17dee8f29d5329d84f932001af35214515de7942b4f3

  • SHA512

    232beab7ec854651ee56510f4e7dc954bbd4343dc6d7865a0aed04472e91d1281c293ab83a903b52e22db89d8bf01fc69e95cc06636cc4a231cc4e04e6d73000

  • SSDEEP

    12288:k/dr9yql7Xi+mO0FKUDTtMi1NzW/DaRMvNXx265syu4MrZ:kl8qNSyUdMONUzeosyu4M

Score
10/10
cycbotbackdoordiscoveryevasionpersistenceratspywarestealerupx

Malware Config

Targets

    • Target

      f39faafbb1da36fab9a5682550d36926_JaffaCakes118

    • Size

      646KB

    • MD5

      f39faafbb1da36fab9a5682550d36926

    • SHA1

      6cca16af9aa9ffb6ffac8eb0df35b21847f8da6a

    • SHA256

      4e307ed1132b7102cefd17dee8f29d5329d84f932001af35214515de7942b4f3

    • SHA512

      232beab7ec854651ee56510f4e7dc954bbd4343dc6d7865a0aed04472e91d1281c293ab83a903b52e22db89d8bf01fc69e95cc06636cc4a231cc4e04e6d73000

    • SSDEEP

      12288:k/dr9yql7Xi+mO0FKUDTtMi1NzW/DaRMvNXx265syu4MrZ:kl8qNSyUdMONUzeosyu4M

    Score
    10/10
    cycbotbackdoordiscoveryevasionpersistenceratspywarestealerupx

    • Cycbot

      Cycbot is a backdoor and trojan written in C++..

      backdoorratcycbot

    • Cycbot family

      cycbot

    • Detects Cycbot payload

      Cycbot is a backdoor and trojan written in C++.

    • Modifies security service

      evasion

    • Modifies visiblity of hidden/system files in Explorer

      evasion

    • Boot or Logon Autostart Execution: Active Setup

      Adversaries may achieve persistence by adding a Registry key to the Active Setup of the local machine.

      persistence

    • Disables taskbar notifications via registry modification

      evasion

    • Checks computer location settings

      Looks up country code configured in the registry, likely geofence.

    • Deletes itself

    • Executes dropped EXE

    • Loads dropped DLL

    • Reads user/profile data of web browsers

      Infostealers often target stored browser data, which can include saved credentials etc.

      spywarestealer

    • Adds Run key to start application

      persistence

    • Drops desktop.ini file(s)

    • Enumerates processes with tasklist

      discovery

    • Suspicious use of SetThreadContext

    • UPX packed file

      Detects executables packed with UPX/modified UPX open source packer.

      upx
    behavioral1behavioral2

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Boot or Logon Autostart Execution

2
T1547

Active Setup

1
T1547.014

Registry Run Keys / Startup Folder

1
T1547.001

Create or Modify System Process

1
T1543

Windows Service

1
T1543.003

Privilege Escalation

Boot or Logon Autostart Execution

2
T1547

Active Setup

1
T1547.014

Registry Run Keys / Startup Folder

1
T1547.001

Create or Modify System Process

1
T1543

Windows Service

1
T1543.003

Defense Evasion

Hide Artifacts

1
T1564

Hidden Files and Directories

1
T1564.001

Modify Registry

5
T1112

Credential Access

Credentials from Password Stores

1
T1555

Credentials from Web Browsers

1
T1555.003

Unsecured Credentials

1
T1552

Credentials In Files

1
T1552.001

Discovery

Process Discovery

1
T1057

Query Registry

2
T1012

System Information Discovery

2
T1082

System Location Discovery

1
T1614

System Language Discovery

1
T1614.001

Lateral Movement

Collection

Data from Local System

1
T1005

Command and Control

Exfiltration

Impact

Tasks