Analysis

  • max time kernel
    122s
  • 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, 21:31

General

  • Target

    fdb10deef4de934608fa65331b772228_JaffaCakes118.exe

  • Size

    5.8MB

  • MD5

    fdb10deef4de934608fa65331b772228

  • SHA1

    3c590ae787c21fdb985115565b89dce45f45e59b

  • SHA256

    033d1c4891f187ed4176730042f07d8be218122352ff044c2da32f7022babcc1

  • SHA512

    ee8208cdafee85eed52cc833c8cfed8fbd54a6e2090d386bbc43c64c60b8419e043c0489194def43de09575a5243c1981fb823c8c059cfb163ad84a75873e27b

  • SSDEEP

    98304:KRf8u3VY3abd+4HBUCczzM3VlSgtJvXGwbEZLDaG4HBUCczzM3:ef8sV4oPWCRLXVbEZL2tWC

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\fdb10deef4de934608fa65331b772228_JaffaCakes118.exe
    "C:\Users\Admin\AppData\Local\Temp\fdb10deef4de934608fa65331b772228_JaffaCakes118.exe"
    1⤵
    • Loads dropped DLL
    • Suspicious behavior: RenamesItself
    • Suspicious use of UnmapMainImage
    • Suspicious use of WriteProcessMemory
    PID:1132
    • C:\Users\Admin\AppData\Local\Temp\fdb10deef4de934608fa65331b772228_JaffaCakes118.exe
      C:\Users\Admin\AppData\Local\Temp\fdb10deef4de934608fa65331b772228_JaffaCakes118.exe
      2⤵
      • Deletes itself
      • Executes dropped EXE
      • Modifies system certificate store
      • Suspicious use of UnmapMainImage
      PID:1952

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

    8d917b96a9d7647d1293d88e6597b84a

    SHA1

    42cb3a71bdca3de4bf2fc7e497265c1430661e99

    SHA256

    a5e9619a56770ed8ef795cab3815b825e3d151b383a77364c89c39cc7af884af

    SHA512

    be0afbcca8f3c01fa031f97b009bfaceffc9173d551667e2cd34177f9198e253f6f7e8679b6b21c04fc42e3b163339f2ec05ca02d75dcf69dcf8e02637882b7c

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

    Filesize

    344B

    MD5

    76fe7727f3568ab567538bc81d1ef0e2

    SHA1

    8aaeae19ebd9f10e5c4938b528c041710139dba1

    SHA256

    0c9b94263c7b80880e6a1db908fba6d0d56100c41464f1dc4aacb6ba2dad114e

    SHA512

    9ff4ff4b6a3a96e0a655a78f5dbba7f325aa8bd5cfca14f6b56854cc19b12ebf5f927ebcc1193a79cd9ea6bb04f2e2f1dd83bde097afd6fd15a39b580a508444

  • C:\Users\Admin\AppData\Local\Temp\Cab5044.tmp

    Filesize

    65KB

    MD5

    ac05d27423a85adc1622c714f2cb6184

    SHA1

    b0fe2b1abddb97837ea0195be70ab2ff14d43198

    SHA256

    c6456e12e5e53287a547af4103e0397cb9697e466cf75844312dc296d43d144d

    SHA512

    6d0ef9050e41fbae680e0e59dd0f90b6ac7fea5579ef5708b69d5da33a0ece7e8b16574b58b17b64a34cc34a4ffc22b4a62c1ece61f36c4a11a0665e0536b90d

  • C:\Users\Admin\AppData\Local\Temp\Tar5057.tmp

    Filesize

    171KB

    MD5

    9c0c641c06238516f27941aa1166d427

    SHA1

    64cd549fb8cf014fcd9312aa7a5b023847b6c977

    SHA256

    4276af3669a141a59388bc56a87f6614d9a9bdddf560636c264219a7eb11256f

    SHA512

    936ed0c0b0a7ff8e606b1cc4175a1f9b3699748ccbba1c3aff96203033d2e9edabf090e5148370df42fbfc4e31d7229493706ff24f19ff42ff7bef74a6baad06

  • C:\Users\Admin\AppData\Local\Temp\Tar52AD.tmp

    Filesize

    177KB

    MD5

    435a9ac180383f9fa094131b173a2f7b

    SHA1

    76944ea657a9db94f9a4bef38f88c46ed4166983

    SHA256

    67dc37ed50b8e63272b49a254a6039ee225974f1d767bb83eb1fd80e759a7c34

    SHA512

    1a6b277611959720a9c71114957620517ad94541302f164eb872bd322292a952409bafb8bc2ac793b16ad5f25d83f8594ccff2b7834e3c2b2b941e6fc84c009a

  • \Users\Admin\AppData\Local\Temp\fdb10deef4de934608fa65331b772228_JaffaCakes118.exe

    Filesize

    5.8MB

    MD5

    64e045c4ff8a37a8c0ee3d5995a87295

    SHA1

    260b45f9135cb944ec00b8b974ea87fd3a373f43

    SHA256

    f740449bb46bc53066b7f46634d85fa1a6282076c987b2feb1fa6238d9d54d0a

    SHA512

    1b34ff62223802bd059748a791c08ceda09fadf703f21c2e783dd415b22af02516c999907e4eecbb17a6945cf5e600fea7c409e9ae045e7b140fe72180986af2

  • memory/1132-16-0x0000000000400000-0x000000000062A000-memory.dmp

    Filesize

    2.2MB

  • memory/1132-15-0x0000000003DD0000-0x00000000042BF000-memory.dmp

    Filesize

    4.9MB

  • memory/1132-1-0x0000000000400000-0x00000000008EF000-memory.dmp

    Filesize

    4.9MB

  • memory/1132-3-0x0000000001B20000-0x0000000001C53000-memory.dmp

    Filesize

    1.2MB

  • memory/1132-0-0x0000000000400000-0x000000000062A000-memory.dmp

    Filesize

    2.2MB

  • memory/1132-123-0x0000000003DD0000-0x00000000042BF000-memory.dmp

    Filesize

    4.9MB

  • memory/1952-21-0x0000000000400000-0x00000000008EF000-memory.dmp

    Filesize

    4.9MB

  • memory/1952-24-0x0000000000400000-0x000000000061D000-memory.dmp

    Filesize

    2.1MB

  • memory/1952-26-0x0000000003550000-0x000000000377A000-memory.dmp

    Filesize

    2.2MB

  • memory/1952-18-0x00000000002C0000-0x00000000003F3000-memory.dmp

    Filesize

    1.2MB

  • memory/1952-17-0x0000000000400000-0x000000000062A000-memory.dmp

    Filesize

    2.2MB

  • memory/1952-124-0x0000000000400000-0x00000000008EF000-memory.dmp

    Filesize

    4.9MB