Analysis

  • max time kernel
    119s
  • max time network
    122s
  • platform
    windows7_x64
  • resource
    win7-20231129-en
  • resource tags

    arch:x64arch:x86image:win7-20231129-enlocale:en-usos:windows7-x64system
  • submitted
    19-04-2024 05:16

General

  • Target

    f995974b036bf161c2450e45a1d81156_JaffaCakes118.exe

  • Size

    1.3MB

  • MD5

    f995974b036bf161c2450e45a1d81156

  • SHA1

    b9f2c149c70458f83399570e13d788c6e9757979

  • SHA256

    78117f213b699c72967fd8f4c2f471c388bfaa44bc6221ec82d0b422f711bddf

  • SHA512

    69dc190b32141d89189faff3e05c94125f55d4d5d135187e97a469a174b2f79d1f003518a9d714034b6ead8ec33a13ccdbffd7b82531ad9a0b697248ed73f8a2

  • SSDEEP

    24576:x9x+mV/IkvmIZbJdfl6053SDOZfIHXRPCe1UouOxjNWs6z7U9/9Us:xb1IkuebjlJ53S5ERoTr6z4R9j

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 9 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\f995974b036bf161c2450e45a1d81156_JaffaCakes118.exe
    "C:\Users\Admin\AppData\Local\Temp\f995974b036bf161c2450e45a1d81156_JaffaCakes118.exe"
    1⤵
    • Loads dropped DLL
    • Suspicious behavior: RenamesItself
    • Suspicious use of UnmapMainImage
    • Suspicious use of WriteProcessMemory
    PID:1108
    • C:\Users\Admin\AppData\Local\Temp\f995974b036bf161c2450e45a1d81156_JaffaCakes118.exe
      C:\Users\Admin\AppData\Local\Temp\f995974b036bf161c2450e45a1d81156_JaffaCakes118.exe
      2⤵
      • Deletes itself
      • Executes dropped EXE
      • Modifies system certificate store
      • Suspicious use of UnmapMainImage
      PID:2844

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\LocalLow\Microsoft\CryptnetUrlCache\Content\F0ACCF77CDCBFF39F6191887F6D2D357

    Filesize

    1KB

    MD5

    a266bb7dcc38a562631361bbf61dd11b

    SHA1

    3b1efd3a66ea28b16697394703a72ca340a05bd5

    SHA256

    df545bf919a2439c36983b54cdfc903dfa4f37d3996d8d84b4c31eec6f3c163e

    SHA512

    0da8ef4f8f6ed3d16d2bc8eb816b9e6e1345dfe2d91160196c47e6149a1d6aedaafadcefd66acdea7f72dcf0832770192ceac15b0c559c4ccc2c0e5581d5aefc

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

    Filesize

    344B

    MD5

    3dbb34fb969e71bfa8732c74c6d74545

    SHA1

    4fcbe8bbcb593865f6257b0fdfdfcacd8551b89a

    SHA256

    0b021640c55fa18da0afcf958c5964ae96eac2a282d9b33b8547ae5f603b0ec4

    SHA512

    062a4ccc0b87d0ca076db2d486b92fcd6ebbacd6c609f64d64b53316c0d1968a71b02cd7e4226f00855bdfe56a971e932d06e0b22f75aca730a9eaad9d264a29

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

    Filesize

    344B

    MD5

    69cc8e46e5727c6e59442f9557b0266a

    SHA1

    bc83c8b165762032f1fc26fc2345c235da18cd6c

    SHA256

    a37690aaedd2eeff1425ed4a439f665b380cf52d6afc6d136b681972febbf228

    SHA512

    4dc0cd939cc64a0b9d0691bfc8bdd1de94f36d31e7d1b8a15ef1877be360e815f93ca580415fdd12e6870dfaba84fadc082b3d45d15efbbfc93a2d5615de3bcc

  • C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\F0ACCF77CDCBFF39F6191887F6D2D357

    Filesize

    242B

    MD5

    8d565f2bf0e6233c8dccca443b9ddddc

    SHA1

    287bb10567c2d41c61f8e1ee8dd12701b80dbf6b

    SHA256

    ed439aa8fc4a25cee17f1dc5115cf25e6c2ff563af9f0b533df4c8318f85621a

    SHA512

    e1a2aa9a264dceab0ed009a57b4eb0a9ef735ded3dc2a7b27c5eee3f839b501c4e8e7f9091c292af8dd0f3a8cac68e72c2340cd6aba43169ded30faceab5793d

  • C:\Users\Admin\AppData\Local\Temp\Tar16FF.tmp

    Filesize

    177KB

    MD5

    435a9ac180383f9fa094131b173a2f7b

    SHA1

    76944ea657a9db94f9a4bef38f88c46ed4166983

    SHA256

    67dc37ed50b8e63272b49a254a6039ee225974f1d767bb83eb1fd80e759a7c34

    SHA512

    1a6b277611959720a9c71114957620517ad94541302f164eb872bd322292a952409bafb8bc2ac793b16ad5f25d83f8594ccff2b7834e3c2b2b941e6fc84c009a

  • \Users\Admin\AppData\Local\Temp\f995974b036bf161c2450e45a1d81156_JaffaCakes118.exe

    Filesize

    1.3MB

    MD5

    3d56bd26ca088076b07f6dc830615c87

    SHA1

    7b5481e4bcede4de4eb7131da7f101b85966685a

    SHA256

    26801bab55bcd540a5eb9343fe95d2654be548bb793b2807c9ce0cb847fd7ae9

    SHA512

    749fd0c02f2461ad3db93585f2e8ce52ed4bc0f40f54ef09276f482df12dbca0ef631713f0f7fba22e55f80a83602ba128b2d08792f827f0702b1cf014793cc8

  • memory/1108-13-0x0000000000400000-0x0000000000622000-memory.dmp

    Filesize

    2.1MB

  • memory/1108-0-0x0000000000400000-0x00000000008E7000-memory.dmp

    Filesize

    4.9MB

  • memory/1108-14-0x00000000034E0000-0x00000000039C7000-memory.dmp

    Filesize

    4.9MB

  • memory/1108-2-0x0000000000130000-0x0000000000261000-memory.dmp

    Filesize

    1.2MB

  • memory/1108-1-0x0000000000400000-0x0000000000622000-memory.dmp

    Filesize

    2.1MB

  • memory/1108-169-0x00000000034E0000-0x00000000039C7000-memory.dmp

    Filesize

    4.9MB

  • memory/2844-23-0x0000000000400000-0x0000000000616000-memory.dmp

    Filesize

    2.1MB

  • memory/2844-26-0x00000000033E0000-0x0000000003602000-memory.dmp

    Filesize

    2.1MB

  • memory/2844-19-0x0000000000130000-0x0000000000261000-memory.dmp

    Filesize

    1.2MB

  • memory/2844-16-0x0000000000400000-0x0000000000622000-memory.dmp

    Filesize

    2.1MB

  • memory/2844-17-0x0000000000400000-0x00000000008E7000-memory.dmp

    Filesize

    4.9MB

  • memory/2844-170-0x0000000000400000-0x00000000008E7000-memory.dmp

    Filesize

    4.9MB