General

  • Target

    WaveInstaller (1).exe

  • Size

    1.5MB

  • Sample

    240629-gf53gasbqa

  • MD5

    b075f4320e46d0d5e78a649e8ee011cc

  • SHA1

    b0dd50171323f0f83dbea0340e9ed8cf44bea38e

  • SHA256

    8581823244a50bbed9709d09f3eba29dd9989681d96bff2b6c19245053069feb

  • SHA512

    e08024b5fa50dc344ca18413a6c21e0f20490c22c90c565d6f663014f1673643da1d5d748e0cefca8a7cbae91a62470289803ad588d3aa5cf3dc6292d7393d47

  • SSDEEP

    24576:VviinbT3ipyqwPx4x3RyFoBkkAd04wJAAh/jV1gJcPNZI6fntX3HOt2pq081ind2:MinbT3ipTD0anywJAaD/3U2pqjindT

Malware Config

Targets

    • Target

      WaveInstaller (1).exe

    • Size

      1.5MB

    • MD5

      b075f4320e46d0d5e78a649e8ee011cc

    • SHA1

      b0dd50171323f0f83dbea0340e9ed8cf44bea38e

    • SHA256

      8581823244a50bbed9709d09f3eba29dd9989681d96bff2b6c19245053069feb

    • SHA512

      e08024b5fa50dc344ca18413a6c21e0f20490c22c90c565d6f663014f1673643da1d5d748e0cefca8a7cbae91a62470289803ad588d3aa5cf3dc6292d7393d47

    • SSDEEP

      24576:VviinbT3ipyqwPx4x3RyFoBkkAd04wJAAh/jV1gJcPNZI6fntX3HOt2pq081ind2:MinbT3ipTD0anywJAaD/3U2pqjindT

    • Boot or Logon Autostart Execution: Active Setup

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

    • Downloads MZ/PE file

    • Event Triggered Execution: Image File Execution Options Injection

    • Checks computer location settings

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

    • Event Triggered Execution: Component Object Model Hijacking

      Adversaries may establish persistence by executing malicious content triggered by hijacked references to Component Object Model (COM) objects.

    • Executes dropped EXE

    • Loads dropped DLL

    • Adds Run key to start application

    • Checks for any installed AV software in registry

    • Checks installed software on the system

      Looks up Uninstall key entries in the registry to enumerate software on the system.

    • Enumerates connected drives

      Attempts to read the root path of hard drives other than the default C: drive.

    • Installs/modifies Browser Helper Object

      BHOs are DLL modules which act as plugins for Internet Explorer.

    • Legitimate hosting services abused for malware hosting/C2

    • Checks system information in the registry

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

    • Drops file in System32 directory

    • Suspicious use of NtCreateThreadExHideFromDebugger

    • Suspicious use of NtSetInformationThreadHideFromDebugger

MITRE ATT&CK Matrix ATT&CK v13

Persistence

Boot or Logon Autostart Execution

2
T1547

Registry Run Keys / Startup Folder

1
T1547.001

Active Setup

1
T1547.014

Event Triggered Execution

2
T1546

Image File Execution Options Injection

1
T1546.012

Component Object Model Hijacking

1
T1546.015

Browser Extensions

1
T1176

Privilege Escalation

Boot or Logon Autostart Execution

2
T1547

Registry Run Keys / Startup Folder

1
T1547.001

Active Setup

1
T1547.014

Event Triggered Execution

2
T1546

Image File Execution Options Injection

1
T1546.012

Component Object Model Hijacking

1
T1546.015

Defense Evasion

Modify Registry

5
T1112

Discovery

Query Registry

6
T1012

System Information Discovery

5
T1082

Software Discovery

1
T1518

Security Software Discovery

1
T1518.001

Peripheral Device Discovery

1
T1120

Command and Control

Web Service

1
T1102

Tasks