General

  • Target

    a07ef7ef6464a773bfce163273cc770c726da9307661cb826c8fe3a566b2fe7e

  • Size

    6.1MB

  • Sample

    230302-13gsyaef3z

  • MD5

    00a1a71e26b6b9e3528e6f1d80daff4b

  • SHA1

    111e896d9001fc78774cabde3826d5078ccbd1fd

  • SHA256

    a07ef7ef6464a773bfce163273cc770c726da9307661cb826c8fe3a566b2fe7e

  • SHA512

    1b5ea6d0f6409b1b4cfba74c0a680c2f67f325b0489388d165449aacac1df4abe54133b1c49db3ad1cf93a2b48bb24d1efb33b49657e2c796f6b0f87df3a90cd

  • SSDEEP

    98304:7a+MxCnvmQN5Q2J80fAO8mDcn2BlJPD8Nzl2QT8ORaw8GFvuztr2cwrihUkTNYyK:/315Q+Rt8Unt8NuTwJ+KfOUkTe

Malware Config

Targets

    • Target

      a07ef7ef6464a773bfce163273cc770c726da9307661cb826c8fe3a566b2fe7e

    • Size

      6.1MB

    • MD5

      00a1a71e26b6b9e3528e6f1d80daff4b

    • SHA1

      111e896d9001fc78774cabde3826d5078ccbd1fd

    • SHA256

      a07ef7ef6464a773bfce163273cc770c726da9307661cb826c8fe3a566b2fe7e

    • SHA512

      1b5ea6d0f6409b1b4cfba74c0a680c2f67f325b0489388d165449aacac1df4abe54133b1c49db3ad1cf93a2b48bb24d1efb33b49657e2c796f6b0f87df3a90cd

    • SSDEEP

      98304:7a+MxCnvmQN5Q2J80fAO8mDcn2BlJPD8Nzl2QT8ORaw8GFvuztr2cwrihUkTNYyK:/315Q+Rt8Unt8NuTwJ+KfOUkTe

    • UAC bypass

    • Drops file in Drivers directory

    • Checks computer location settings

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

    • Deletes itself

    • 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.

    • UPX packed file

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

    • Adds Run key to start application

    • Checks whether UAC is enabled

    • Drops desktop.ini file(s)

    • 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.

    • AutoIT Executable

      AutoIT scripts compiled to PE executables.

MITRE ATT&CK Matrix ATT&CK v6

Persistence

Registry Run Keys / Startup Folder

1
T1060

Browser Extensions

1
T1176

Privilege Escalation

Bypass User Account Control

1
T1088

Defense Evasion

Bypass User Account Control

1
T1088

Disabling Security Tools

1
T1089

Modify Registry

6
T1112

Credential Access

Credentials in Files

1
T1081

Discovery

Query Registry

3
T1012

System Information Discovery

5
T1082

Peripheral Device Discovery

1
T1120

Remote System Discovery

1
T1018

Collection

Data from Local System

1
T1005

Tasks