General

  • Target

    ChromeInstaller.exe

  • Size

    4.5MB

  • Sample

    230624-ml8y7sba49

  • MD5

    29ffad5f4e22f3e296f4c579ce303902

  • SHA1

    8a037d37c7238c6d9408fd99d50105b1cdb73f7f

  • SHA256

    e34c196497e534f46dd5f2749af66e2d46e46fd8d78b71badfbe2363d27e8030

  • SHA512

    36373e64e58192d49c831b23ee83f3a38a2d2d4da69f15fd6ec7dff2c4a9ebb5e03a7f05ef0e57ceb0f4176d97774269859a560500d21359f924bf3beb69f227

  • SSDEEP

    98304:Sqc9m0rDSR0YljHQDiC5vgS6yi+wlS67j9:jcE0rDSljwuCZD6yTUj

Malware Config

Targets

    • Target

      ChromeInstaller.exe

    • Size

      4.5MB

    • MD5

      29ffad5f4e22f3e296f4c579ce303902

    • SHA1

      8a037d37c7238c6d9408fd99d50105b1cdb73f7f

    • SHA256

      e34c196497e534f46dd5f2749af66e2d46e46fd8d78b71badfbe2363d27e8030

    • SHA512

      36373e64e58192d49c831b23ee83f3a38a2d2d4da69f15fd6ec7dff2c4a9ebb5e03a7f05ef0e57ceb0f4176d97774269859a560500d21359f924bf3beb69f227

    • SSDEEP

      98304:Sqc9m0rDSR0YljHQDiC5vgS6yi+wlS67j9:jcE0rDSljwuCZD6yTUj

    • Checks computer location settings

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

    • 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.

    • Unexpected DNS network traffic destination

      Network traffic to other servers than the configured DNS servers was detected on the DNS port.

    • Checks installed software on the system

      Looks up Uninstall key entries in the registry to enumerate software on the system.

    • Maps connected drives based on registry

      Disk information is often read in order to detect sandboxing environments.

MITRE ATT&CK Matrix ATT&CK v6

Defense Evasion

Install Root Certificate

1
T1130

Modify Registry

1
T1112

Credential Access

Credentials in Files

1
T1081

Discovery

Query Registry

3
T1012

System Information Discovery

3
T1082

Peripheral Device Discovery

1
T1120

Collection

Data from Local System

1
T1005

Tasks