Analysis

  • max time kernel
    117s
  • max time network
    117s
  • platform
    windows7_x64
  • resource
    win7-20240215-en
  • resource tags

    arch:x64arch:x86image:win7-20240215-enlocale:en-usos:windows7-x64system
  • submitted
    09-04-2024 09:01

General

  • Target

    e9a11a99d6687d0658d4f859e8f9eb7a_JaffaCakes118.exe

  • Size

    385KB

  • MD5

    e9a11a99d6687d0658d4f859e8f9eb7a

  • SHA1

    bbaf6eb6a7691f5c7973ddf7b5a58bc1271b64b3

  • SHA256

    400bc179fa2e0a003d0a64569d89e95a562128b4e0a2218cefe625726ba8253b

  • SHA512

    cb417d6ba87aa1b434a0910163f258ea54e4c0cbec5d001220f602043b6a30db3f78a2d2f3dd052d2d6f1b0ccee98d1f8171471452ff473761f1b12cf78d456a

  • SSDEEP

    12288:jKB0YWVG3r4Fvh4zqGJYKzBH9Kj4SGkl7wBMzzUbCZbwLB:jKB0BVGcRCuZ8H9Kjrl7TZxkB

Score
7/10

Malware Config

Signatures

  • Deletes itself 1 IoCs
  • Executes dropped EXE 1 IoCs
  • Loads dropped DLL 1 IoCs
  • Legitimate hosting services abused for malware hosting/C2 1 TTPs 2 IoCs
  • Modifies system certificate store 2 TTPs 3 IoCs
  • Suspicious behavior: RenamesItself 1 IoCs
  • Suspicious use of UnmapMainImage 2 IoCs
  • Suspicious use of WriteProcessMemory 4 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\e9a11a99d6687d0658d4f859e8f9eb7a_JaffaCakes118.exe
    "C:\Users\Admin\AppData\Local\Temp\e9a11a99d6687d0658d4f859e8f9eb7a_JaffaCakes118.exe"
    1⤵
    • Loads dropped DLL
    • Suspicious behavior: RenamesItself
    • Suspicious use of UnmapMainImage
    • Suspicious use of WriteProcessMemory
    PID:2416
    • C:\Users\Admin\AppData\Local\Temp\e9a11a99d6687d0658d4f859e8f9eb7a_JaffaCakes118.exe
      C:\Users\Admin\AppData\Local\Temp\e9a11a99d6687d0658d4f859e8f9eb7a_JaffaCakes118.exe
      2⤵
      • Deletes itself
      • Executes dropped EXE
      • Modifies system certificate store
      • Suspicious use of UnmapMainImage
      PID:2376

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\94308059B57B3142E455B38A6EB92015

    Filesize

    68KB

    MD5

    29f65ba8e88c063813cc50a4ea544e93

    SHA1

    05a7040d5c127e68c25d81cc51271ffb8bef3568

    SHA256

    1ed81fa8dfb6999a9fedc6e779138ffd99568992e22d300acd181a6d2c8de184

    SHA512

    e29b2e92c496245bed3372578074407e8ef8882906ce10c35b3c8deebfefe01b5fd7f3030acaa693e175f4b7aca6cd7d8d10ae1c731b09c5fa19035e005de3aa

  • C:\Users\Admin\AppData\Local\Temp\Tar1981.tmp

    Filesize

    177KB

    MD5

    435a9ac180383f9fa094131b173a2f7b

    SHA1

    76944ea657a9db94f9a4bef38f88c46ed4166983

    SHA256

    67dc37ed50b8e63272b49a254a6039ee225974f1d767bb83eb1fd80e759a7c34

    SHA512

    1a6b277611959720a9c71114957620517ad94541302f164eb872bd322292a952409bafb8bc2ac793b16ad5f25d83f8594ccff2b7834e3c2b2b941e6fc84c009a

  • \Users\Admin\AppData\Local\Temp\e9a11a99d6687d0658d4f859e8f9eb7a_JaffaCakes118.exe

    Filesize

    385KB

    MD5

    54927fc9a3bd3bb462fddc41262cc135

    SHA1

    4506d86fdce3e22f8693ac45e47ebd1b52e3f47c

    SHA256

    4651b92f757568c9977939bb8a4dc3eb1a110d9b132606ade236bff8c739289a

    SHA512

    39828c20fac73ebe1113762852495093ac367335160eae0b8cceaf08eb500a6bd3b4263953c11c39cf25e79069a08f9352a1aa24f576569f5f38ab7296a878c8

  • memory/2376-16-0x0000000000400000-0x0000000000466000-memory.dmp

    Filesize

    408KB

  • memory/2376-19-0x0000000000270000-0x00000000002D6000-memory.dmp

    Filesize

    408KB

  • memory/2376-22-0x0000000000400000-0x000000000043C000-memory.dmp

    Filesize

    240KB

  • memory/2376-25-0x0000000001470000-0x00000000014CF000-memory.dmp

    Filesize

    380KB

  • memory/2376-80-0x0000000000400000-0x000000000040E000-memory.dmp

    Filesize

    56KB

  • memory/2376-85-0x0000000000400000-0x000000000040E000-memory.dmp

    Filesize

    56KB

  • memory/2376-86-0x00000000075A0000-0x00000000075DC000-memory.dmp

    Filesize

    240KB

  • memory/2416-0-0x0000000000400000-0x0000000000466000-memory.dmp

    Filesize

    408KB

  • memory/2416-13-0x0000000000400000-0x000000000045F000-memory.dmp

    Filesize

    380KB

  • memory/2416-2-0x0000000001470000-0x00000000014D6000-memory.dmp

    Filesize

    408KB

  • memory/2416-1-0x0000000000400000-0x000000000045F000-memory.dmp

    Filesize

    380KB