Overview

overview

10

Static

static

7

b3e6f48349...18.exe

windows7-x64

10

b3e6f48349...18.exe

windows10-2004-x64

10

Analysis

  • max time kernel
    150s
  • max time network
    138s
  • platform
    windows7_x64
  • resource
    win7-20240705-en
  • resource tags

    arch:x64arch:x86image:win7-20240705-enlocale:en-usos:windows7-x64system
  • submitted
    21/08/2024, 14:51

Sharing

Copy URL
Twitter E-mail
Report Analysis Logs

General

  • Target

    b3e6f4834937ca31247921585024238d_JaffaCakes118.exe

  • Size

    254KB

  • MD5

    b3e6f4834937ca31247921585024238d

  • SHA1

    215b0c52c958583519da4499bac9b8826db78b3b

  • SHA256

    4cbc247ffbfb8a00d73f40e6c47ad32b434f6d2f958baae82bec0420ef9cd219

  • SHA512

    db633bce52af99bae8398fd6c8dcdb47c6353aaf2004589ddb21e5a7c37c47d15272f032b48eec8e0e525533f5ab13c52ee1e8a05c1ff8786f5be79ae986d9f2

  • SSDEEP

    3072:KyqgStX49L8zdnbbBFfHBbDu1oNBP33EC8j26A3SdeBWz5soutLNs0:DYo9L8zdnbbBFfxQ+oSJs0

Score
10/10
defense_evasiondiscoveryevasionpersistencespywarestealertrojanupx

Malware Config

Signatures

  • Modifies firewall policy service 3 TTPs 14 IoCs
    evasion
  • Modifies security service 2 TTPs 1 IoCs
    evasion
  • Modifies visibility of file extensions in Explorer 2 TTPs 1 IoCs
    evasion
  • Modifies visiblity of hidden/system files in Explorer 2 TTPs 1 IoCs
    evasion
  • UAC bypass 3 TTPs 3 IoCs
    evasiontrojan
  • Windows security bypass 2 TTPs 4 IoCs
    evasiontrojan
  • Disables RegEdit via registry modification 1 IoCs
    evasion
  • Disables Task Manager via registry modification
    evasion
  • Drops file in Drivers directory 1 IoCs
  • Event Triggered Execution: Image File Execution Options Injection 1 TTPs 64 IoCs
    persistence
  • Executes dropped EXE 2 IoCs
  • Loads dropped DLL 2 IoCs
  • Reads user/profile data of web browsers 2 TTPs

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

    spywarestealer
  • UPX packed file 9 IoCs

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

    upx
  • Windows security modification 2 TTPs 15 IoCs
    evasiontrojan
  • Adds Run key to start application 2 TTPs 2 IoCs
    persistence
  • Checks whether UAC is enabled 1 TTPs 1 IoCs
    evasiontrojan
  • Indicator Removal: Clear Persistence 1 TTPs 42 IoCs

    remove IFEO.

    defense_evasion
  • Suspicious use of SetThreadContext 1 IoCs
  • Enumerates physical storage devices 1 TTPs

    Attempts to interact with connected storage/optical drive(s).

  • System Location Discovery: System Language Discovery 1 TTPs 3 IoCs

    Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

    discovery
  • Modifies Control Panel 2 IoCs
    evasion
  • Modifies Internet Explorer settings 1 TTPs 14 IoCs
    adwarespyware
  • Modifies Internet Explorer start page 1 TTPs 2 IoCs
    stealer
  • Modifies registry class 24 IoCs
  • Suspicious behavior: EnumeratesProcesses 64 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of SetWindowsHookEx 5 IoCs
  • Suspicious use of WriteProcessMemory 13 IoCs
  • System policy modification 1 TTPs 4 IoCs
    evasion

Processes

  • C:\Users\Admin\AppData\Local\Temp\b3e6f4834937ca31247921585024238d_JaffaCakes118.exe
    "C:\Users\Admin\AppData\Local\Temp\b3e6f4834937ca31247921585024238d_JaffaCakes118.exe"
    1⤵
    • Loads dropped DLL
    • System Location Discovery: System Language Discovery
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:2372
    • C:\Users\Admin\E696D64614\winlogon.exe
      "C:\Users\Admin\E696D64614\winlogon.exe"
      2⤵
      • Executes dropped EXE
      • Suspicious use of SetThreadContext
      • System Location Discovery: System Language Discovery
      • Suspicious use of SetWindowsHookEx
      • Suspicious use of WriteProcessMemory
      PID:2792
      • C:\Users\Admin\E696D64614\winlogon.exe
        "C:\Users\Admin\E696D64614\winlogon.exe"
        3⤵
        • Modifies firewall policy service
        • Modifies security service
        • Modifies visibility of file extensions in Explorer
        • Modifies visiblity of hidden/system files in Explorer
        • UAC bypass
        • Windows security bypass
        • Disables RegEdit via registry modification
        • Drops file in Drivers directory
        • Event Triggered Execution: Image File Execution Options Injection
        • Executes dropped EXE
        • Windows security modification
        • Adds Run key to start application
        • Checks whether UAC is enabled
        • Indicator Removal: Clear Persistence
        • System Location Discovery: System Language Discovery
        • Modifies Control Panel
        • Modifies Internet Explorer settings
        • Modifies Internet Explorer start page
        • Modifies registry class
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of AdjustPrivilegeToken
        • Suspicious use of SetWindowsHookEx
        • System policy modification
        PID:2740

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Boot or Logon Autostart Execution

1
T1547

Registry Run Keys / Startup Folder

1
T1547.001

Create or Modify System Process

2
T1543

Windows Service

2
T1543.003

Event Triggered Execution

1
T1546

Image File Execution Options Injection

1
T1546.012

Privilege Escalation

Abuse Elevation Control Mechanism

1
T1548

Bypass User Account Control

1
T1548.002

Boot or Logon Autostart Execution

1
T1547

Registry Run Keys / Startup Folder

1
T1547.001

Create or Modify System Process

2
T1543

Windows Service

2
T1543.003

Event Triggered Execution

1
T1546

Image File Execution Options Injection

1
T1546.012

Defense Evasion

Abuse Elevation Control Mechanism

1
T1548

Bypass User Account Control

1
T1548.002

Hide Artifacts

2
T1564

Hidden Files and Directories

2
T1564.001

Impair Defenses

4
T1562

Disable or Modify System Firewall

1
T1562.004

Disable or Modify Tools

3
T1562.001

Indicator Removal

1
T1070

Clear Persistence

1
T1070.009

Modify Registry

11
T1112

Credential Access

Unsecured Credentials

1
T1552

Credentials In Files

1
T1552.001

Discovery

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

Replay Monitor

Loading Replay Monitor...

Downloads

  • \Users\Admin\E696D64614\winlogon.exe
    Filesize

    254KB

    MD5

    b3e6f4834937ca31247921585024238d

    SHA1

    215b0c52c958583519da4499bac9b8826db78b3b

    SHA256

    4cbc247ffbfb8a00d73f40e6c47ad32b434f6d2f958baae82bec0420ef9cd219

    SHA512

    db633bce52af99bae8398fd6c8dcdb47c6353aaf2004589ddb21e5a7c37c47d15272f032b48eec8e0e525533f5ab13c52ee1e8a05c1ff8786f5be79ae986d9f2

    Download Submit

  • memory/2372-0-0x0000000000400000-0x0000000000441000-memory.dmp

    Filesize

    260KB

    Download

  • memory/2372-13-0x0000000000400000-0x0000000000441000-memory.dmp

    Filesize

    260KB

    Download

  • memory/2740-17-0x0000000000400000-0x0000000000425000-memory.dmp

    Filesize

    148KB

    Download

  • memory/2740-20-0x0000000000400000-0x0000000000425000-memory.dmp

    Filesize

    148KB

    Download

  • memory/2740-21-0x0000000000400000-0x0000000000425000-memory.dmp

    Filesize

    148KB

    Download

  • memory/2740-22-0x0000000000400000-0x0000000000425000-memory.dmp

    Filesize

    148KB

    Download

  • memory/2740-41-0x0000000000400000-0x0000000000425000-memory.dmp

    Filesize

    148KB

    Download

  • memory/2792-40-0x0000000000400000-0x0000000000441000-memory.dmp

    Filesize

    260KB

    Download