Analysis

  • max time kernel
    54s
  • max time network
    55s
  • platform
    windows7_x64
  • resource
    win7-20240729-en
  • resource tags

    arch:x64arch:x86image:win7-20240729-enlocale:en-usos:windows7-x64system
  • submitted
    18-10-2024 06:07

General

  • Target

    55de04a0c8bb1e49015b62988c835b9a_JaffaCakes118.exe

  • Size

    693KB

  • MD5

    55de04a0c8bb1e49015b62988c835b9a

  • SHA1

    6a91271deff3f90359e95cafb722f1d9db7f80f3

  • SHA256

    3114d9a19def58cc62a9b5dbe78360e64772b46e1815c974f318cafb99eedc98

  • SHA512

    f723a33d5e2ba14c45aa30b83887d2f9690266a736f3201cebcdc986b7d4f7a97458f05bbe4eb74e363f964bcb66dad230bc195328493cc387f4733d22f7b11a

  • SSDEEP

    12288:ity5w2s0BhP2PFro43nQMmo4RRNc0g+W2rQeQlAMPGII1RMXF93SVRvVNQxXU:i0TscQPFc8HTWK0g+W2rSGmfCVVVNQxk

Malware Config

Extracted

Family

vidar

Version

39.9

Botnet

921

C2

https://prophefliloc.tumblr.com/

Attributes
  • profile_id

    921

Signatures

  • Vidar

    Vidar is an infostealer based on Arkei stealer.

  • Vidar Stealer 4 IoCs
  • Reads user/profile data of web browsers 3 TTPs

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

  • Accesses 2FA software files, possible credential harvesting 2 TTPs
  • Checks installed software on the system 1 TTPs

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

  • Suspicious use of SetThreadContext 1 IoCs
  • Browser Information Discovery 1 TTPs

    Enumerate browser information.

  • System Location Discovery: System Language Discovery 1 TTPs 2 IoCs

    Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

  • Checks processor information in registry 2 TTPs 2 IoCs

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

  • Modifies system certificate store 2 TTPs 3 IoCs
  • Suspicious behavior: EnumeratesProcesses 4 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of WriteProcessMemory 21 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\55de04a0c8bb1e49015b62988c835b9a_JaffaCakes118.exe
    "C:\Users\Admin\AppData\Local\Temp\55de04a0c8bb1e49015b62988c835b9a_JaffaCakes118.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • System Location Discovery: System Language Discovery
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:2268
    • C:\Users\Admin\AppData\Local\Temp\55de04a0c8bb1e49015b62988c835b9a_JaffaCakes118.exe
      C:\Users\Admin\AppData\Local\Temp\55de04a0c8bb1e49015b62988c835b9a_JaffaCakes118.exe
      2⤵
        PID:2856
      • C:\Users\Admin\AppData\Local\Temp\55de04a0c8bb1e49015b62988c835b9a_JaffaCakes118.exe
        C:\Users\Admin\AppData\Local\Temp\55de04a0c8bb1e49015b62988c835b9a_JaffaCakes118.exe
        2⤵
          PID:2872
        • C:\Users\Admin\AppData\Local\Temp\55de04a0c8bb1e49015b62988c835b9a_JaffaCakes118.exe
          C:\Users\Admin\AppData\Local\Temp\55de04a0c8bb1e49015b62988c835b9a_JaffaCakes118.exe
          2⤵
            PID:2876
          • C:\Users\Admin\AppData\Local\Temp\55de04a0c8bb1e49015b62988c835b9a_JaffaCakes118.exe
            C:\Users\Admin\AppData\Local\Temp\55de04a0c8bb1e49015b62988c835b9a_JaffaCakes118.exe
            2⤵
            • System Location Discovery: System Language Discovery
            • Checks processor information in registry
            • Modifies system certificate store
            • Suspicious behavior: EnumeratesProcesses
            PID:2892

        Network

        MITRE ATT&CK Enterprise v15

        Replay Monitor

        Loading Replay Monitor...

        Downloads

        • C:\ProgramData\softokn3.dll

          Filesize

          275B

          MD5

          a378c450e6ad9f1e0356ed46da190990

          SHA1

          d457a2c162391d2ea30ec2dc62c8fb3b973f6a66

          SHA256

          b745b0c0db87a89de5e542e9ae0a06f585793ac3f4240bff3524e7dbdba79978

          SHA512

          e6cdc8f570af97e48b1d8968730db0afc46f9dd6ad7366a936a5518801debb61c86cc61526e5e26e7ad3b3daeb76a19b32d7c0da33140597f6d19163683c12b5

        • C:\Users\Admin\AppData\Local\Temp\Cab5821.tmp

          Filesize

          70KB

          MD5

          49aebf8cbd62d92ac215b2923fb1b9f5

          SHA1

          1723be06719828dda65ad804298d0431f6aff976

          SHA256

          b33efcb95235b98b48508e019afa4b7655e80cf071defabd8b2123fc8b29307f

          SHA512

          bf86116b015fb56709516d686e168e7c9c68365136231cc51d0b6542ae95323a71d2c7acec84aad7dcecc2e410843f6d82a0a6d51b9acfc721a9c84fdd877b5b

        • C:\Users\Admin\AppData\Local\Temp\Tar5833.tmp

          Filesize

          181KB

          MD5

          4ea6026cf93ec6338144661bf1202cd1

          SHA1

          a1dec9044f750ad887935a01430bf49322fbdcb7

          SHA256

          8efbc21559ef8b1bcf526800d8070baad42474ce7198e26fa771dbb41a76b1d8

          SHA512

          6c7e0980e39aacf4c3689802353f464a08cd17753bd210ee997e5f2a455deb4f287a9ef74d84579dbde49bc96213cd2b8b247723919c412ea980aa6e6bfe218b

        • memory/2268-10-0x00000000740C0000-0x00000000747AE000-memory.dmp

          Filesize

          6.9MB

        • memory/2268-4-0x00000000740C0000-0x00000000747AE000-memory.dmp

          Filesize

          6.9MB

        • memory/2268-5-0x00000000040B0000-0x00000000040D6000-memory.dmp

          Filesize

          152KB

        • memory/2268-0-0x00000000740CE000-0x00000000740CF000-memory.dmp

          Filesize

          4KB

        • memory/2268-3-0x00000000740CE000-0x00000000740CF000-memory.dmp

          Filesize

          4KB

        • memory/2268-2-0x00000000740C0000-0x00000000747AE000-memory.dmp

          Filesize

          6.9MB

        • memory/2268-1-0x00000000002C0000-0x0000000000370000-memory.dmp

          Filesize

          704KB

        • memory/2892-6-0x0000000000400000-0x00000000004A1000-memory.dmp

          Filesize

          644KB

        • memory/2892-8-0x0000000000400000-0x00000000004A1000-memory.dmp

          Filesize

          644KB

        • memory/2892-9-0x0000000000400000-0x00000000004A1000-memory.dmp

          Filesize

          644KB

        • memory/2892-86-0x0000000000400000-0x00000000004A1000-memory.dmp

          Filesize

          644KB