General

  • Target

    95c729597254d7d13131a1d787ee8672.bin

  • Size

    98KB

  • Sample

    231105-c49ckshg4y

  • MD5

    35b9ccd03c771b3f14d7233e16aeb48d

  • SHA1

    68ae4cc115cde31261e3b7bba90787b536a050a0

  • SHA256

    10f7569d170015cfddf59a775fa5dfc4108a83544902028a4e89ca740fd889a0

  • SHA512

    3d207254f0fe49b908b3d87a5881c3015c5e5ef25f2874fb2744513a5b9044927fc17b4269c98731fcb03fb63a4f4ff68e6ff9b76a7862939e7d31c341869caa

  • SSDEEP

    3072:qxksO3DpogXpn2MsqP7Hk16s5N7m9NPROmFC:qLy5ntsIUCsmE

Malware Config

Extracted

Family

oski

C2

9enternecera.ru.com/os/

Targets

    • Target

      078e034c9471d383cda140f060f9ff26960d0674cfc9d0c05d0c704dbe5cf9ab.exe

    • Size

      200KB

    • MD5

      95c729597254d7d13131a1d787ee8672

    • SHA1

      d44dd5beba366c2dd917ca0ed0ba5ff109d765c7

    • SHA256

      078e034c9471d383cda140f060f9ff26960d0674cfc9d0c05d0c704dbe5cf9ab

    • SHA512

      aa12e5ec478a25adf150da2f48aefe690716549f2d5a075e3d2e469ff626c8377e0a7bd4c6918b8e60bbe7be0a7428bf52fde71e3b7a66b3a88a24dffa3717ce

    • SSDEEP

      3072:WfUomEuYm98dlSq7gt5q7Dx+XgS6aCEwhOfUbCalNT2pbB3fIF1Xi6FLPo3c:WfUauY68uSWCx+XA7mg2pN01Ljo3c

    • Oski

      Oski is an infostealer targeting browser data, crypto wallets.

    • Downloads MZ/PE file

    • Checks computer location settings

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

    • Loads dropped DLL

    • Reads user/profile data of web browsers

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

    • Accesses cryptocurrency files/wallets, possible credential harvesting

    • Checks installed software on the system

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

MITRE ATT&CK Enterprise v15

Tasks