General

  • Target

    c1ffe666a1dfdb35dc3c5d4297025d19

  • Size

    368KB

  • Sample

    240312-avcadach44

  • MD5

    c1ffe666a1dfdb35dc3c5d4297025d19

  • SHA1

    47ccdd6630e0ca19c2da66d7afe79f8f85a60b5d

  • SHA256

    403e90d62f1c2185fd1a93cb8d25036eee7685e57d2dd652456cffd12d9ae7e0

  • SHA512

    18a05d479674d54bb9d1439c7ace24e24caf32ef750c85cefd66b94039d33c4f1c7cd46cbf26f5310e316b35fec1e4e358af51f2fbde5d74451e831bf2acdf36

  • SSDEEP

    6144:DRAuog7deUAjpXZii1urqy4FVRO4lqaGClZFpRQwg5iwatmzZ/pPQ0:bZCpkuS4FV9l0Cl7nxgtzZBQ0

Malware Config

Targets

    • Target

      c1ffe666a1dfdb35dc3c5d4297025d19

    • Size

      368KB

    • MD5

      c1ffe666a1dfdb35dc3c5d4297025d19

    • SHA1

      47ccdd6630e0ca19c2da66d7afe79f8f85a60b5d

    • SHA256

      403e90d62f1c2185fd1a93cb8d25036eee7685e57d2dd652456cffd12d9ae7e0

    • SHA512

      18a05d479674d54bb9d1439c7ace24e24caf32ef750c85cefd66b94039d33c4f1c7cd46cbf26f5310e316b35fec1e4e358af51f2fbde5d74451e831bf2acdf36

    • SSDEEP

      6144:DRAuog7deUAjpXZii1urqy4FVRO4lqaGClZFpRQwg5iwatmzZ/pPQ0:bZCpkuS4FV9l0Cl7nxgtzZBQ0

    • ISR Stealer

      ISR Stealer is a modified version of Hackhound Stealer written in visual basic.

    • ISR Stealer payload

    • Checks computer location settings

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

    • Executes dropped EXE

    • Loads dropped DLL

    • Reads data files stored by FTP clients

      Tries to access configuration files associated with programs like FileZilla.

    • Reads user/profile data of web browsers

      Infostealers often target stored browser data, which can include saved credentials etc.

    • Suspicious use of SetThreadContext

MITRE ATT&CK Matrix ATT&CK v13

Defense Evasion

Subvert Trust Controls

1
T1553

Install Root Certificate

1
T1553.004

Modify Registry

1
T1112

Credential Access

Unsecured Credentials

2
T1552

Credentials In Files

2
T1552.001

Discovery

Query Registry

1
T1012

System Information Discovery

2
T1082

Collection

Data from Local System

2
T1005

Tasks