Resubmissions

06-08-2022 17:40

220806-v8vdbshbgk 8

General

  • Target

    DriverPack-17-Online.exe

  • Size

    8.6MB

  • Sample

    220806-v8vdbshbgk

  • MD5

    b2bd71bc2ca60dc56ce7a249fff69c42

  • SHA1

    6b8d4ec65300d9147105d1b72a4731ce68afb9fa

  • SHA256

    4f99a508b9a1ee927425cb60dabbef9262afff15f36b8bed21eb02771955a95b

  • SHA512

    ce28dad8b6ddf721aa3c894ed78b1da64714ffd39156dbaf79a717065e7f3ec7f1d89d65281a782d32003b9f2db7a059f264d6d8f4173db730f2d1843648cc1d

Malware Config

Targets

    • Target

      DriverPack-17-Online.exe

    • Size

      8.6MB

    • MD5

      b2bd71bc2ca60dc56ce7a249fff69c42

    • SHA1

      6b8d4ec65300d9147105d1b72a4731ce68afb9fa

    • SHA256

      4f99a508b9a1ee927425cb60dabbef9262afff15f36b8bed21eb02771955a95b

    • SHA512

      ce28dad8b6ddf721aa3c894ed78b1da64714ffd39156dbaf79a717065e7f3ec7f1d89d65281a782d32003b9f2db7a059f264d6d8f4173db730f2d1843648cc1d

    • Blocklisted process makes network request

    • Downloads MZ/PE file

    • Executes dropped EXE

    • Modifies Installed Components in the registry

    • Modifies Windows Firewall

    • Registers COM server for autorun

    • UPX packed file

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

    • Checks computer location settings

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

    • 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

    • 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.

    • Drops desktop.ini file(s)

    • Enumerates connected drives

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

    • Detected potential entity reuse from brand google.

    • Drops file in System32 directory

MITRE ATT&CK Matrix ATT&CK v6

Persistence

Registry Run Keys / Startup Folder

3
T1060

Modify Existing Service

1
T1031

Defense Evasion

Modify Registry

4
T1112

Install Root Certificate

1
T1130

Credential Access

Credentials in Files

1
T1081

Discovery

Query Registry

5
T1012

System Information Discovery

5
T1082

Security Software Discovery

1
T1063

Peripheral Device Discovery

2
T1120

Collection

Data from Local System

1
T1005

Tasks