Resubmissions

28-04-2024 01:27

240428-bvc3cadd3s 7

28-04-2024 01:09

240428-bhwc6ach9t 7

General

  • Target

    Anti-Recoil.exe

  • Size

    84.6MB

  • Sample

    240428-bvc3cadd3s

  • MD5

    6d4dc98940002c694f8727f8474bab9d

  • SHA1

    7b170a62eb2b581ece5e9f27d9d8fc81279c78b1

  • SHA256

    11566aca2f970cb3316718bd5e2c04ece556ed79bf3939d4f1be5d3992ffed11

  • SHA512

    e4db88b1dce292c87eff195f6f4d7cbe19f1186c57c294be2f33dc3956dcbaba50239fb0c551aff026616e01210aa6411e08cbb882b9494b97d8733545ad5184

  • SSDEEP

    1572864:+24gPXMo8DT3nbHnQ4pWC3EDpwZOmOKYEur4pB+LP4kc+DPObqxKu8x+wK7:/4AcdvLVpW+EDpwZB+HrQQL4kvEi8cwS

Malware Config

Targets

    • Target

      Anti-Recoil.exe

    • Size

      84.6MB

    • MD5

      6d4dc98940002c694f8727f8474bab9d

    • SHA1

      7b170a62eb2b581ece5e9f27d9d8fc81279c78b1

    • SHA256

      11566aca2f970cb3316718bd5e2c04ece556ed79bf3939d4f1be5d3992ffed11

    • SHA512

      e4db88b1dce292c87eff195f6f4d7cbe19f1186c57c294be2f33dc3956dcbaba50239fb0c551aff026616e01210aa6411e08cbb882b9494b97d8733545ad5184

    • SSDEEP

      1572864:+24gPXMo8DT3nbHnQ4pWC3EDpwZOmOKYEur4pB+LP4kc+DPObqxKu8x+wK7:/4AcdvLVpW+EDpwZB+HrQQL4kvEi8cwS

    • Checks computer location settings

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

    • Drops startup file

    • 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.

    • Adds Run key to start application

    • Legitimate hosting services abused for malware hosting/C2

    • Looks up external IP address via web service

      Uses a legitimate IP lookup service to find the infected system's external IP.

    • Drops autorun.inf file

      Malware can abuse Windows Autorun to spread further via attached volumes.

    • Drops file in System32 directory

MITRE ATT&CK Matrix ATT&CK v13

Initial Access

Replication Through Removable Media

1
T1091

Execution

Scheduled Task/Job

1
T1053

Persistence

Boot or Logon Autostart Execution

1
T1547

Registry Run Keys / Startup Folder

1
T1547.001

Scheduled Task/Job

1
T1053

Privilege Escalation

Boot or Logon Autostart Execution

1
T1547

Registry Run Keys / Startup Folder

1
T1547.001

Scheduled Task/Job

1
T1053

Defense Evasion

Modify Registry

1
T1112

Hide Artifacts

1
T1564

Hidden Files and Directories

1
T1564.001

Credential Access

Unsecured Credentials

1
T1552

Credentials In Files

1
T1552.001

Discovery

Query Registry

3
T1012

System Information Discovery

4
T1082

Process Discovery

1
T1057

Lateral Movement

Replication Through Removable Media

1
T1091

Collection

Data from Local System

1
T1005

Command and Control

Web Service

1
T1102

Tasks