General

  • Target

    2024-05-24_3ed11020ec1280c52e117cc8825bd657_bkransomware

  • Size

    214KB

  • Sample

    240524-11wjbada76

  • MD5

    3ed11020ec1280c52e117cc8825bd657

  • SHA1

    a1e990e446a1577fecc78f538c4f761595ce0f9b

  • SHA256

    e4cca1e18fcf1fa19bf4b94de5009623d79fa6f95b69d7793b75a3bb48736d0b

  • SHA512

    c6799f462be85c142673257b61e5f229657fb69c13169c15754a8f3c0e1942674cc00ccf99af7148a94269d556b10deb2bcd93e3a07cb486bfe4879653c8234a

  • SSDEEP

    3072:ZRpAyazIliazTeQR3FIqsh7en+auokyjlOzryoei3ls5PEUDQ9h83fKXy7A:xZ8azqJqshC+gh2yi3ls5sUDQ9h8CXyM

Malware Config

Targets

    • Target

      2024-05-24_3ed11020ec1280c52e117cc8825bd657_bkransomware

    • Size

      214KB

    • MD5

      3ed11020ec1280c52e117cc8825bd657

    • SHA1

      a1e990e446a1577fecc78f538c4f761595ce0f9b

    • SHA256

      e4cca1e18fcf1fa19bf4b94de5009623d79fa6f95b69d7793b75a3bb48736d0b

    • SHA512

      c6799f462be85c142673257b61e5f229657fb69c13169c15754a8f3c0e1942674cc00ccf99af7148a94269d556b10deb2bcd93e3a07cb486bfe4879653c8234a

    • SSDEEP

      3072:ZRpAyazIliazTeQR3FIqsh7en+auokyjlOzryoei3ls5PEUDQ9h83fKXy7A:xZ8azqJqshC+gh2yi3ls5sUDQ9h8CXyM

    • 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.

    • Adds Run key to start application

MITRE ATT&CK Matrix ATT&CK v13

Persistence

Boot or Logon Autostart Execution

1
T1547

Registry Run Keys / Startup Folder

1
T1547.001

Privilege Escalation

Boot or Logon Autostart Execution

1
T1547

Registry Run Keys / Startup Folder

1
T1547.001

Defense Evasion

Modify Registry

1
T1112

Credential Access

Unsecured Credentials

1
T1552

Credentials In Files

1
T1552.001

Collection

Data from Local System

1
T1005

Tasks