Overview

overview

10

Static

static

7

b5e45f4952...18.exe

windows7-x64

10

b5e45f4952...18.exe

windows10-2004-x64

10

Analysis

  • max time kernel
    149s
  • max time network
    150s
  • platform
    windows7_x64
  • resource
    win7-20240704-en
  • resource tags

    arch:x64arch:x86image:win7-20240704-enlocale:en-usos:windows7-x64system
  • submitted
    22/08/2024, 01:51

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General

  • Target

    b5e45f49529c4acc54ade661eef50523_JaffaCakes118.exe

  • Size

    64KB

  • MD5

    b5e45f49529c4acc54ade661eef50523

  • SHA1

    0aeef06d6566f27e62bc48d5fb35655077f9936b

  • SHA256

    29e3b590522cfd043b37888b4ec46e88742c35c9b78bae16347059889eb77c43

  • SHA512

    c26ea7f8e29ec63610c5daad2838a3ec88a1cbffedcc9cbd6e6a00898fa749415dd21239837612a3b9f77b933d486cc0434dcff650f15d9904461e35b0938169

  • SSDEEP

    1536:0HvW5buT+OW2/UfB56XsrNPnuYFIC3vcVJtojMevsnouy8rZ:svABPQYB56X8mmJfcVQZEoutV

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 26 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\b5e45f49529c4acc54ade661eef50523_JaffaCakes118.exe
    "C:\Users\Admin\AppData\Local\Temp\b5e45f49529c4acc54ade661eef50523_JaffaCakes118.exe"
    1⤵
    • Loads dropped DLL
    • System Location Discovery: System Language Discovery
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:2384
    • 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:2060
      • 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:2844

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

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Downloads

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

    64KB

    MD5

    b5e45f49529c4acc54ade661eef50523

    SHA1

    0aeef06d6566f27e62bc48d5fb35655077f9936b

    SHA256

    29e3b590522cfd043b37888b4ec46e88742c35c9b78bae16347059889eb77c43

    SHA512

    c26ea7f8e29ec63610c5daad2838a3ec88a1cbffedcc9cbd6e6a00898fa749415dd21239837612a3b9f77b933d486cc0434dcff650f15d9904461e35b0938169

    Download Submit

  • memory/2060-48-0x0000000000400000-0x0000000000451000-memory.dmp

    Filesize

    324KB

    Download

  • memory/2060-16-0x0000000000400000-0x0000000000451000-memory.dmp

    Filesize

    324KB

    Download

  • memory/2060-73-0x0000000000400000-0x0000000000451000-memory.dmp

    Filesize

    324KB

    Download

  • memory/2060-69-0x0000000000400000-0x0000000000451000-memory.dmp

    Filesize

    324KB

    Download

  • memory/2060-63-0x0000000000400000-0x0000000000451000-memory.dmp

    Filesize

    324KB

    Download

  • memory/2060-57-0x0000000000400000-0x0000000000451000-memory.dmp

    Filesize

    324KB

    Download

  • memory/2384-15-0x0000000000400000-0x0000000000451000-memory.dmp

    Filesize

    324KB

    Download

  • memory/2384-12-0x0000000002940000-0x0000000002991000-memory.dmp

    Filesize

    324KB

    Download

  • memory/2384-0-0x0000000000400000-0x0000000000451000-memory.dmp

    Filesize

    324KB

    Download

  • memory/2844-25-0x0000000000400000-0x0000000000426000-memory.dmp

    Filesize

    152KB

    Download

  • memory/2844-58-0x0000000000400000-0x0000000000426000-memory.dmp

    Filesize

    152KB

    Download

  • memory/2844-47-0x00000000049B0000-0x00000000049C3000-memory.dmp

    Filesize

    76KB

    Download

  • memory/2844-50-0x0000000000400000-0x0000000000426000-memory.dmp

    Filesize

    152KB

    Download

  • memory/2844-51-0x0000000000400000-0x0000000000426000-memory.dmp

    Filesize

    152KB

    Download

  • memory/2844-52-0x0000000000400000-0x0000000000426000-memory.dmp

    Filesize

    152KB

    Download

  • memory/2844-54-0x0000000000400000-0x0000000000426000-memory.dmp

    Filesize

    152KB

    Download

  • memory/2844-56-0x0000000000400000-0x0000000000426000-memory.dmp

    Filesize

    152KB

    Download

  • memory/2844-46-0x0000000004960000-0x00000000049AC000-memory.dmp

    Filesize

    304KB

    Download

  • memory/2844-45-0x0000000004820000-0x0000000004955000-memory.dmp

    Filesize

    1.2MB

    Download

  • memory/2844-62-0x0000000000400000-0x0000000000426000-memory.dmp

    Filesize

    152KB

    Download

  • memory/2844-26-0x0000000000400000-0x0000000000426000-memory.dmp

    Filesize

    152KB

    Download

  • memory/2844-66-0x0000000000400000-0x0000000000426000-memory.dmp

    Filesize

    152KB

    Download

  • memory/2844-68-0x0000000000400000-0x0000000000426000-memory.dmp

    Filesize

    152KB

    Download

  • memory/2844-24-0x0000000000400000-0x0000000000426000-memory.dmp

    Filesize

    152KB

    Download

  • memory/2844-70-0x0000000000400000-0x0000000000426000-memory.dmp

    Filesize

    152KB

    Download

  • memory/2844-72-0x0000000000400000-0x0000000000426000-memory.dmp

    Filesize

    152KB

    Download

  • memory/2844-20-0x0000000000400000-0x0000000000426000-memory.dmp

    Filesize

    152KB

    Download

  • memory/2844-74-0x0000000000400000-0x0000000000426000-memory.dmp

    Filesize

    152KB

    Download

  • memory/2844-76-0x0000000000400000-0x0000000000426000-memory.dmp

    Filesize

    152KB

    Download