Analysis

  • max time kernel
    121s
  • max time network
    124s
  • platform
    windows7_x64
  • resource
    win7-20240221-en
  • resource tags

    arch:x64arch:x86image:win7-20240221-enlocale:en-usos:windows7-x64system
  • submitted
    20/04/2024, 01:36

General

  • Target

    fba3c3556a3d4eb8c28f55656303d1c3_JaffaCakes118.exe

  • Size

    2.9MB

  • MD5

    fba3c3556a3d4eb8c28f55656303d1c3

  • SHA1

    e46befb57544f6be4232264c8c0f83390770fcd9

  • SHA256

    4d3a6a11e7efc09904d2b21ee3e877c3496091609996dd0615255fa4c92d0fb8

  • SHA512

    e72a68b1eca2e09578908e070cfbcad9c8eb80ac56bba1bbb89385995c243bc9733d82cabd152fcfd6393d62643948452cec4bce4066a9c81f7333a9fda917bb

  • SSDEEP

    49152:ZRr4WelV8DFtgC5n5vw0tp3P4M338dB2IBlGuuDVUsdxxjeQZwxPYRKs:ZWWelV8DFo0T3gg3gnl/IVUs1jePs

Score
7/10
upx

Malware Config

Signatures

  • Deletes itself 1 IoCs
  • Executes dropped EXE 1 IoCs
  • Loads dropped DLL 1 IoCs
  • UPX packed file 2 IoCs

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

  • Modifies system certificate store 2 TTPs 6 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\fba3c3556a3d4eb8c28f55656303d1c3_JaffaCakes118.exe
    "C:\Users\Admin\AppData\Local\Temp\fba3c3556a3d4eb8c28f55656303d1c3_JaffaCakes118.exe"
    1⤵
    • Loads dropped DLL
    • Suspicious behavior: RenamesItself
    • Suspicious use of UnmapMainImage
    • Suspicious use of WriteProcessMemory
    PID:1976
    • C:\Users\Admin\AppData\Local\Temp\fba3c3556a3d4eb8c28f55656303d1c3_JaffaCakes118.exe
      C:\Users\Admin\AppData\Local\Temp\fba3c3556a3d4eb8c28f55656303d1c3_JaffaCakes118.exe
      2⤵
      • Deletes itself
      • Executes dropped EXE
      • Modifies system certificate store
      • Suspicious use of UnmapMainImage
      PID:2008

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads

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

    Filesize

    68KB

    MD5

    29f65ba8e88c063813cc50a4ea544e93

    SHA1

    05a7040d5c127e68c25d81cc51271ffb8bef3568

    SHA256

    1ed81fa8dfb6999a9fedc6e779138ffd99568992e22d300acd181a6d2c8de184

    SHA512

    e29b2e92c496245bed3372578074407e8ef8882906ce10c35b3c8deebfefe01b5fd7f3030acaa693e175f4b7aca6cd7d8d10ae1c731b09c5fa19035e005de3aa

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

    Filesize

    344B

    MD5

    686bde952b0e2c724711e0d82bf80a42

    SHA1

    cb6d6f1b89557d2e88d0a4a4091512da67426706

    SHA256

    58bd530472c3178a010cec1814996333c687d98fbb62ddeb9ccec87a885be0b2

    SHA512

    56faaf0d2518283eb9632865824c97f1946a84319a7cb152c6e51d95384a2a689485c8b3da55e446bc06dd2669764f2b000732ad1c35cf6f0ec9cf41f9a38c2f

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

    Filesize

    344B

    MD5

    69ec024ed82421456a3207f9c8b94768

    SHA1

    d9dfa4c99b43f8135608a6ddfd737db1a1bb45db

    SHA256

    c35a6b16b594b42ffefdf2ec7fdab82a8f49b4777dc13824c48988be008a146c

    SHA512

    1377a49b472b61a0267782a68a576a3fa7d630615c1f4ac806ceb8c895eb95949edf3106a023687dcb6ae7ac946d63c332e7456d88c17a2e401d8e25ac38ef4f

  • C:\Users\Admin\AppData\Local\Temp\Cab4221.tmp

    Filesize

    65KB

    MD5

    ac05d27423a85adc1622c714f2cb6184

    SHA1

    b0fe2b1abddb97837ea0195be70ab2ff14d43198

    SHA256

    c6456e12e5e53287a547af4103e0397cb9697e466cf75844312dc296d43d144d

    SHA512

    6d0ef9050e41fbae680e0e59dd0f90b6ac7fea5579ef5708b69d5da33a0ece7e8b16574b58b17b64a34cc34a4ffc22b4a62c1ece61f36c4a11a0665e0536b90d

  • C:\Users\Admin\AppData\Local\Temp\Tar4233.tmp

    Filesize

    171KB

    MD5

    9c0c641c06238516f27941aa1166d427

    SHA1

    64cd549fb8cf014fcd9312aa7a5b023847b6c977

    SHA256

    4276af3669a141a59388bc56a87f6614d9a9bdddf560636c264219a7eb11256f

    SHA512

    936ed0c0b0a7ff8e606b1cc4175a1f9b3699748ccbba1c3aff96203033d2e9edabf090e5148370df42fbfc4e31d7229493706ff24f19ff42ff7bef74a6baad06

  • C:\Users\Admin\AppData\Local\Temp\Tar43BF.tmp

    Filesize

    177KB

    MD5

    435a9ac180383f9fa094131b173a2f7b

    SHA1

    76944ea657a9db94f9a4bef38f88c46ed4166983

    SHA256

    67dc37ed50b8e63272b49a254a6039ee225974f1d767bb83eb1fd80e759a7c34

    SHA512

    1a6b277611959720a9c71114957620517ad94541302f164eb872bd322292a952409bafb8bc2ac793b16ad5f25d83f8594ccff2b7834e3c2b2b941e6fc84c009a

  • \Users\Admin\AppData\Local\Temp\fba3c3556a3d4eb8c28f55656303d1c3_JaffaCakes118.exe

    Filesize

    2.9MB

    MD5

    397880e75b1e82c62a606a37c3f7d6ca

    SHA1

    60dcb01ac11f9b292107b16c08f25a234316bce3

    SHA256

    2bebe2e5619fe4eced990e274e8f2fe7bcbf12d483ab32da048d25100380ab65

    SHA512

    cc3ba46b97a5e21c8661ee961b52cf833dba9e7a2a01196b7c14e196bc8b592c7dba7199e9a56228450967934e3b7e2c0e6e64d1f6a1fb38c495827b792532e8

  • memory/1976-0-0x0000000000400000-0x000000000062A000-memory.dmp

    Filesize

    2.2MB

  • memory/1976-3-0x0000000001B20000-0x0000000001C53000-memory.dmp

    Filesize

    1.2MB

  • memory/1976-1-0x0000000000400000-0x00000000008EF000-memory.dmp

    Filesize

    4.9MB

  • memory/1976-14-0x00000000037F0000-0x0000000003CDF000-memory.dmp

    Filesize

    4.9MB

  • memory/1976-13-0x0000000000400000-0x000000000062A000-memory.dmp

    Filesize

    2.2MB

  • memory/2008-16-0x0000000000400000-0x000000000062A000-memory.dmp

    Filesize

    2.2MB

  • memory/2008-23-0x0000000001B20000-0x0000000001C53000-memory.dmp

    Filesize

    1.2MB

  • memory/2008-24-0x00000000035A0000-0x00000000037CA000-memory.dmp

    Filesize

    2.2MB

  • memory/2008-22-0x0000000000400000-0x00000000008EF000-memory.dmp

    Filesize

    4.9MB

  • memory/2008-21-0x0000000000400000-0x000000000061D000-memory.dmp

    Filesize

    2.1MB

  • memory/2008-122-0x0000000000400000-0x00000000008EF000-memory.dmp

    Filesize

    4.9MB