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Analysis

  • max time kernel
    117s
  • max time network
    127s
  • platform
    windows7_x64
  • resource
    win7-20240221-en
  • resource tags

    arch:x64arch:x86image:win7-20240221-enlocale:en-usos:windows7-x64system
  • submitted
    16/04/2024, 14:49

General

  • Target

    f3b6f509402f25a8f960cb11fea17341_JaffaCakes118.exe

  • Size

    2.9MB

  • MD5

    f3b6f509402f25a8f960cb11fea17341

  • SHA1

    ee1c85272aac4e744535b4b1bdce1b07ddc34a82

  • SHA256

    b7fd00a017dc4b7016de9c97356dfbb71d7c979c002778f70c01c3f2c60cf9a5

  • SHA512

    e45de9258f7ed5e32da64283969ab59093b81bf84d9ff1f7de085a0622f78633d8cd4d62efe5c650459e2de807a4978802f62043a6ddbf9c8edc9c31f3348489

  • SSDEEP

    49152:Bylgu+P+ZjSm+Maa1A2w22OcLWSAec1/f5P4M338dB2IBlGuuDVUsdxxjeQZwxP0:BylgB+ZFro22O33z5gg3gnl/IVUs1jek

Score
7/10
upx

Malware Config

Signatures

  • Deletes itself 1 IoCs
  • Executes dropped EXE 1 IoCs
  • Loads dropped DLL 1 IoCs
  • UPX packed file 4 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\f3b6f509402f25a8f960cb11fea17341_JaffaCakes118.exe
    "C:\Users\Admin\AppData\Local\Temp\f3b6f509402f25a8f960cb11fea17341_JaffaCakes118.exe"
    1⤵
    • Loads dropped DLL
    • Suspicious behavior: RenamesItself
    • Suspicious use of UnmapMainImage
    • Suspicious use of WriteProcessMemory
    PID:2032
    • C:\Users\Admin\AppData\Local\Temp\f3b6f509402f25a8f960cb11fea17341_JaffaCakes118.exe
      C:\Users\Admin\AppData\Local\Temp\f3b6f509402f25a8f960cb11fea17341_JaffaCakes118.exe
      2⤵
      • Deletes itself
      • Executes dropped EXE
      • Modifies system certificate store
      • Suspicious use of UnmapMainImage
      PID:1056

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\MetaData\94308059B57B3142E455B38A6EB92015

    Filesize

    344B

    MD5

    685e2ce1d6565de075203b098a3677dc

    SHA1

    91d210419b20e0711142f5e07e782ad6af979d18

    SHA256

    588b0cb23d0ea2b6c6a83ae779c5e738ff5df38e65116c37d4389d854cf2d553

    SHA512

    ccc0fa6aa55b361defa1731366bb487f81128e6df3e31da6163bfa79d7d35a43313c4975e1edb51feb402f3f53df836763f65a0303910796680697280d87c289

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

    Filesize

    344B

    MD5

    d0b624762a7a00e14eb74c2663fdabf7

    SHA1

    ff8975fa036ffaa1476da779c2e5c9cb8e06bdb7

    SHA256

    a7b201c77ed655d11e548e1a8818522525865733b5df62a7704ea0ee87ae0bf5

    SHA512

    8d1c0263bbd062e2ff1c45baa7c9b06a88e3e5f22de319040f036e4ac4c4d7db0fc6f33d0d6215fd2227603a7d4368a4597ac864ee45519873b833456505507b

  • C:\Users\Admin\AppData\Local\Temp\Cab8317.tmp

    Filesize

    65KB

    MD5

    ac05d27423a85adc1622c714f2cb6184

    SHA1

    b0fe2b1abddb97837ea0195be70ab2ff14d43198

    SHA256

    c6456e12e5e53287a547af4103e0397cb9697e466cf75844312dc296d43d144d

    SHA512

    6d0ef9050e41fbae680e0e59dd0f90b6ac7fea5579ef5708b69d5da33a0ece7e8b16574b58b17b64a34cc34a4ffc22b4a62c1ece61f36c4a11a0665e0536b90d

  • C:\Users\Admin\AppData\Local\Temp\Tar8339.tmp

    Filesize

    171KB

    MD5

    9c0c641c06238516f27941aa1166d427

    SHA1

    64cd549fb8cf014fcd9312aa7a5b023847b6c977

    SHA256

    4276af3669a141a59388bc56a87f6614d9a9bdddf560636c264219a7eb11256f

    SHA512

    936ed0c0b0a7ff8e606b1cc4175a1f9b3699748ccbba1c3aff96203033d2e9edabf090e5148370df42fbfc4e31d7229493706ff24f19ff42ff7bef74a6baad06

  • C:\Users\Admin\AppData\Local\Temp\Tar84E4.tmp

    Filesize

    177KB

    MD5

    435a9ac180383f9fa094131b173a2f7b

    SHA1

    76944ea657a9db94f9a4bef38f88c46ed4166983

    SHA256

    67dc37ed50b8e63272b49a254a6039ee225974f1d767bb83eb1fd80e759a7c34

    SHA512

    1a6b277611959720a9c71114957620517ad94541302f164eb872bd322292a952409bafb8bc2ac793b16ad5f25d83f8594ccff2b7834e3c2b2b941e6fc84c009a

  • \Users\Admin\AppData\Local\Temp\f3b6f509402f25a8f960cb11fea17341_JaffaCakes118.exe

    Filesize

    2.9MB

    MD5

    c454f98944035b93af2193929ee458c6

    SHA1

    953942838f9d109608b3f181457a4e18d4ddc8de

    SHA256

    0372d292887e4a8dc28da951db7e18956157af4bcd2a90681aa88b4db1ae8c92

    SHA512

    1cc325ee04fa02b51466d58222428a79888ad03135cfd6253df296aa50252b4d0cdf2c0975a3eb08d7dcb9e8214cdbd90573b32e43dbf6f9525055e12bc01957

  • memory/1056-17-0x0000000000400000-0x000000000062A000-memory.dmp

    Filesize

    2.2MB

  • memory/1056-24-0x0000000003560000-0x000000000378A000-memory.dmp

    Filesize

    2.2MB

  • memory/1056-23-0x0000000000400000-0x000000000061D000-memory.dmp

    Filesize

    2.1MB

  • memory/1056-18-0x00000000018F0000-0x0000000001A23000-memory.dmp

    Filesize

    1.2MB

  • memory/1056-16-0x0000000000400000-0x00000000008EF000-memory.dmp

    Filesize

    4.9MB

  • memory/1056-122-0x0000000000400000-0x00000000008EF000-memory.dmp

    Filesize

    4.9MB

  • memory/2032-0-0x0000000000400000-0x00000000008EF000-memory.dmp

    Filesize

    4.9MB

  • memory/2032-13-0x0000000000400000-0x000000000062A000-memory.dmp

    Filesize

    2.2MB

  • memory/2032-14-0x00000000038C0000-0x0000000003DAF000-memory.dmp

    Filesize

    4.9MB

  • memory/2032-2-0x0000000000250000-0x0000000000383000-memory.dmp

    Filesize

    1.2MB

  • memory/2032-1-0x0000000000400000-0x000000000062A000-memory.dmp

    Filesize

    2.2MB