General

  • Target

    Viber(Compatibility Mode).lnk

  • Size

    994B

  • Sample

    240428-sv8mpaba9t

  • MD5

    ee06100029d5358159a116943017603a

  • SHA1

    814e73c3ab473abbb7bdc478e9ef7222daa949eb

  • SHA256

    3028bf0c6ae5b359851ca5899945c44262f901320b776b4794850553a8182b6c

  • SHA512

    959580d96968510ec5082d7067ba016200c2f792e664b0eb67c552e55fd19a8f4c3ec7e705f33f2c30462c961c67fb36224e20b1b410d131279ad5524f8b62e8

Malware Config

Targets

    • Target

      Viber(Compatibility Mode).lnk

    • Size

      994B

    • MD5

      ee06100029d5358159a116943017603a

    • SHA1

      814e73c3ab473abbb7bdc478e9ef7222daa949eb

    • SHA256

      3028bf0c6ae5b359851ca5899945c44262f901320b776b4794850553a8182b6c

    • SHA512

      959580d96968510ec5082d7067ba016200c2f792e664b0eb67c552e55fd19a8f4c3ec7e705f33f2c30462c961c67fb36224e20b1b410d131279ad5524f8b62e8

    • Downloads MZ/PE file

    • Modifies Installed Components in the registry

    • 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.

    • Windows security modification

    • Adds Run key to start application

    • 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.

    • 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.

MITRE ATT&CK Matrix ATT&CK v13

Persistence

Boot or Logon Autostart Execution

2
T1547

Registry Run Keys / Startup Folder

2
T1547.001

Privilege Escalation

Boot or Logon Autostart Execution

2
T1547

Registry Run Keys / Startup Folder

2
T1547.001

Defense Evasion

Modify Registry

5
T1112

Impair Defenses

1
T1562

Disable or Modify Tools

1
T1562.001

Subvert Trust Controls

1
T1553

Install Root Certificate

1
T1553.004

Credential Access

Unsecured Credentials

1
T1552

Credentials In Files

1
T1552.001

Discovery

Query Registry

4
T1012

Peripheral Device Discovery

1
T1120

System Information Discovery

3
T1082

Collection

Data from Local System

1
T1005

Command and Control

Web Service

1
T1102

Tasks