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Analysis

  • max time kernel
    141s
  • max time network
    128s
  • platform
    windows7_x64
  • resource
    win7-20240903-en
  • resource tags

    arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
  • submitted
    14/09/2024, 02:48

General

  • Target

    df5a0b3f4658475b01da80b3ed01079e_JaffaCakes118.exe

  • Size

    43KB

  • MD5

    df5a0b3f4658475b01da80b3ed01079e

  • SHA1

    72919dd0ccfc8179c93217802144123fcde7576d

  • SHA256

    a032d6ffa4690a208d6540ee597937d8fb1d217313f55a0054aef42567ff5d0e

  • SHA512

    b15ccf8585d7b72bdd30f0870c6fe8cc446d8e022246db44d904c060534642deaed21331be1b919819eb0013231373125cba72a5b4c9c6c7b0145b7a43322b9a

  • SSDEEP

    768:eyX3LKew369lp2z3Sd4baFXLjwP/Tgj93b8NIoYkAjywAnGbFq7mW8qYRIqMS:egKcR4mjD9r828AjQGbFflqYlT

Malware Config

Signatures

  • Executes dropped EXE 2 IoCs
  • Loads dropped DLL 1 IoCs
  • Reads user/profile data of web browsers 2 TTPs

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

  • UPX packed file 6 IoCs

    Detects executables packed with UPX/modified UPX open source packer.

  • Adds Run key to start application 2 TTPs 2 IoCs
  • Drops file in Windows directory 2 IoCs
  • 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.

  • Modifies system certificate store 2 TTPs 8 IoCs
  • Suspicious use of AdjustPrivilegeToken 2 IoCs
  • Suspicious use of WriteProcessMemory 8 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\df5a0b3f4658475b01da80b3ed01079e_JaffaCakes118.exe
    "C:\Users\Admin\AppData\Local\Temp\df5a0b3f4658475b01da80b3ed01079e_JaffaCakes118.exe"
    1⤵
    • Loads dropped DLL
    • Adds Run key to start application
    • Drops file in Windows directory
    • System Location Discovery: System Language Discovery
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:2108
    • C:\Users\Admin\AppData\Local\Temp\MY1e0pGh8kWn8Fq.exe
      C:\Users\Admin\AppData\Local\Temp\MY1e0pGh8kWn8Fq.exe
      2⤵
      • Executes dropped EXE
      • System Location Discovery: System Language Discovery
      • Modifies system certificate store
      PID:2992
    • C:\Windows\CTS.exe
      "C:\Windows\CTS.exe"
      2⤵
      • Executes dropped EXE
      • Adds Run key to start application
      • Drops file in Windows directory
      • Suspicious use of AdjustPrivilegeToken
      PID:1044

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\Users\Admin\AppData\Local\Temp\Cab8B7F.tmp

    Filesize

    70KB

    MD5

    49aebf8cbd62d92ac215b2923fb1b9f5

    SHA1

    1723be06719828dda65ad804298d0431f6aff976

    SHA256

    b33efcb95235b98b48508e019afa4b7655e80cf071defabd8b2123fc8b29307f

    SHA512

    bf86116b015fb56709516d686e168e7c9c68365136231cc51d0b6542ae95323a71d2c7acec84aad7dcecc2e410843f6d82a0a6d51b9acfc721a9c84fdd877b5b

  • C:\Users\Admin\AppData\Local\Temp\Tar8BFF.tmp

    Filesize

    181KB

    MD5

    4ea6026cf93ec6338144661bf1202cd1

    SHA1

    a1dec9044f750ad887935a01430bf49322fbdcb7

    SHA256

    8efbc21559ef8b1bcf526800d8070baad42474ce7198e26fa771dbb41a76b1d8

    SHA512

    6c7e0980e39aacf4c3689802353f464a08cd17753bd210ee997e5f2a455deb4f287a9ef74d84579dbde49bc96213cd2b8b247723919c412ea980aa6e6bfe218b

  • C:\Windows\CTS.exe

    Filesize

    28KB

    MD5

    e6150447c894ade7b2b9ee88d5933922

    SHA1

    dc62f7f9ff1a492adadbc8b6321c0b7b9cd973d1

    SHA256

    b612d46644d0e4a3829c4d6715f71d979103aa487624805363b36f5b4f92b118

    SHA512

    d6db2b459723005662a646357bd60ab6e5cf77ab4f83868c91e725e45c32b44900c32724883df6aa4a0e85cbf7441bea159334f3080cfe8e7acec540aa996ff0

  • \Users\Admin\AppData\Local\Temp\MY1e0pGh8kWn8Fq.exe

    Filesize

    15KB

    MD5

    92f9de5aaf4021b73961e14303746f95

    SHA1

    331b792e347ebaf6b6b4c9ac65d742061e1a9f0a

    SHA256

    13c921999e5ff273007a610a8521bbc77d884b41d9cbbd41e045b3497909659c

    SHA512

    314749d46a3584213e55c7030e087e06f1e5bc5fbb8f99210a4e3014b9f44f3be7e791f48c570dd0abaf73584322ebb6be0d2ea5dbbfe343245cced22b172225

  • memory/1044-18-0x00000000003F0000-0x0000000000407000-memory.dmp

    Filesize

    92KB

  • memory/1044-170-0x00000000003F0000-0x0000000000407000-memory.dmp

    Filesize

    92KB

  • memory/2108-1-0x0000000000830000-0x0000000000847000-memory.dmp

    Filesize

    92KB

  • memory/2108-14-0x00000000003F0000-0x0000000000407000-memory.dmp

    Filesize

    92KB

  • memory/2108-15-0x0000000000830000-0x0000000000847000-memory.dmp

    Filesize

    92KB

  • memory/2108-9-0x00000000003F0000-0x0000000000407000-memory.dmp

    Filesize

    92KB

  • memory/2992-19-0x0000000074A51000-0x0000000074A52000-memory.dmp

    Filesize

    4KB

  • memory/2992-21-0x0000000074A50000-0x0000000074FFB000-memory.dmp

    Filesize

    5.7MB

  • memory/2992-22-0x0000000074A50000-0x0000000074FFB000-memory.dmp

    Filesize

    5.7MB

  • memory/2992-149-0x0000000074A50000-0x0000000074FFB000-memory.dmp

    Filesize

    5.7MB