General

  • Target

    7b1eec8067b553c98eea1f8526b90669_JaffaCakes118

  • Size

    61KB

  • Sample

    241028-3rva1axqhs

  • MD5

    7b1eec8067b553c98eea1f8526b90669

  • SHA1

    fe5f38cf34cc91e2d4c2fc07a0d9247c6f596bc5

  • SHA256

    fc9f3d976100c2cb339c25ec6ff62227f482a97dad0056a0ddc5b52491e98a82

  • SHA512

    c031921ffea5dfa0210650c633996e6e07ef088d2c41f83a119ae5fcaff9e7a639320e8e4cd2050042835186f3c12fe321be3fbfcc30f6af05d0b60373c9120b

  • SSDEEP

    1536:U17SrsJ9yZDZF784R8qXocXlEXSdwocy/XEWfm/syjG9CpipuIpcNU:U1ersXyR868cXWeciXEWfd59CIpdph

Malware Config

Extracted

Family

tofsee

C2

185.4.227.76

188.165.132.183

rgtryhbgddtyh.biz

wertdghbyrukl.ch

Targets

    • Target

      7777.bat

    • Size

      184B

    • MD5

      0a189696791314d2c06e9845ce37322c

    • SHA1

      2e904862da7a484b399be314269913f878fd856c

    • SHA256

      bdf4e2f639a995cac116e129771fe1b77f2b86d4b243b76da12824607520e557

    • SHA512

      f89e087e87406fcb1d4577fd72697526f4ded5573c09f17400b0b55cc23db50fe8df2009a767ea9cc628181dd044d1033d66d0ca0ab764acd9d79c323fc2fdb4

    Score
    7/10
    • Deletes itself

    • Target

      msdlm32.exe

    • Size

      83KB

    • MD5

      4020fbcc7c19e735fafa725bcd3ea2c5

    • SHA1

      bec43452d9f0d61192bc3851b012cef31882ca02

    • SHA256

      85619645a77454990bb4e730dc87ccd630a4e01f04a10595278ac5c115effac9

    • SHA512

      7bd6570d5bc4edfdc7e8cf2880707a84ac3d61f83090b529305520d0871181f060d539c587ffb981180de84d448cebc9e0e3cc1c96cda920f69d9952ccd1622c

    • SSDEEP

      1536:P2EsPRwdL8AlXUBWCDTsG0QGcn4Z6v/Ea6oVaodgyl744BDK:OMNlfGd0QGbZgEaTVVdgylM4BDK

    • Tofsee

      Backdoor/botnet which carries out malicious activities based on commands from a C2 server.

    • Tofsee family

    • Checks computer location settings

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

    • Deletes itself

    • Executes dropped EXE

    • Loads dropped DLL

    • Adds Run key to start application

    • Suspicious use of SetThreadContext

MITRE ATT&CK Enterprise v15

Tasks