Analysis

  • max time kernel
    141s
  • max time network
    145s
  • platform
    windows7_x64
  • resource
    win7-20240221-en
  • resource tags

    arch:x64arch:x86image:win7-20240221-enlocale:en-usos:windows7-x64system
  • submitted
    18/04/2024, 14:46

General

  • Target

    f83959d1052c06af8e45c548415207fd_JaffaCakes118.exe

  • Size

    133KB

  • MD5

    f83959d1052c06af8e45c548415207fd

  • SHA1

    af9a804110e56d88c8029059036e843c56ed685f

  • SHA256

    234f613d0866f23288c3bc3e287667edc83c413de19e304f91774f0b9bb6c110

  • SHA512

    95c3ec2a97d589f45d60fd2b2b60a210bb9a63f4b2bc4727e82df7edc8fdd89861f72ac0a66e4927fe211cafd5f5793e873bda4d3a295f7899b4ceae62e83cbf

  • SSDEEP

    3072:gTAh6pCjqTsQW2BeKujHGkP8LaFcoVgo/OWQ:gT6deTaedMGkP8LajVlOWQ

Score
7/10
upx

Malware Config

Signatures

  • Deletes itself 1 IoCs
  • Executes dropped EXE 1 IoCs
  • Loads dropped DLL 1 IoCs
  • UPX packed file 3 IoCs

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

  • Modifies system certificate store 2 TTPs 8 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\f83959d1052c06af8e45c548415207fd_JaffaCakes118.exe
    "C:\Users\Admin\AppData\Local\Temp\f83959d1052c06af8e45c548415207fd_JaffaCakes118.exe"
    1⤵
    • Loads dropped DLL
    • Suspicious behavior: RenamesItself
    • Suspicious use of UnmapMainImage
    • Suspicious use of WriteProcessMemory
    PID:1932
    • C:\Users\Admin\AppData\Local\Temp\f83959d1052c06af8e45c548415207fd_JaffaCakes118.exe
      C:\Users\Admin\AppData\Local\Temp\f83959d1052c06af8e45c548415207fd_JaffaCakes118.exe
      2⤵
      • Deletes itself
      • Executes dropped EXE
      • Modifies system certificate store
      • Suspicious use of UnmapMainImage
      PID:2228

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

    c5a986a8a7d550ad7dc39bbc5b30f5c1

    SHA1

    6b574ca3b149a62a34b5f796cd2898ef00f676cc

    SHA256

    8046a7997830538f1e1886143647a44d9508a76dc5550415f08d0f063c7a98d7

    SHA512

    bbf8fbb466ad62ba62c6bc1775ad29a97cff599f5bba644fa313984775babf98db9370483afde66ccd58e32c76893959d9031df8db27b3f8db6255f22dd1f621

  • C:\Users\Admin\AppData\Local\Temp\CabA0F3.tmp

    Filesize

    65KB

    MD5

    ac05d27423a85adc1622c714f2cb6184

    SHA1

    b0fe2b1abddb97837ea0195be70ab2ff14d43198

    SHA256

    c6456e12e5e53287a547af4103e0397cb9697e466cf75844312dc296d43d144d

    SHA512

    6d0ef9050e41fbae680e0e59dd0f90b6ac7fea5579ef5708b69d5da33a0ece7e8b16574b58b17b64a34cc34a4ffc22b4a62c1ece61f36c4a11a0665e0536b90d

  • C:\Users\Admin\AppData\Local\Temp\TarA2BE.tmp

    Filesize

    177KB

    MD5

    435a9ac180383f9fa094131b173a2f7b

    SHA1

    76944ea657a9db94f9a4bef38f88c46ed4166983

    SHA256

    67dc37ed50b8e63272b49a254a6039ee225974f1d767bb83eb1fd80e759a7c34

    SHA512

    1a6b277611959720a9c71114957620517ad94541302f164eb872bd322292a952409bafb8bc2ac793b16ad5f25d83f8594ccff2b7834e3c2b2b941e6fc84c009a

  • \Users\Admin\AppData\Local\Temp\f83959d1052c06af8e45c548415207fd_JaffaCakes118.exe

    Filesize

    133KB

    MD5

    cf080e5b8852e5b9489b189724d51bdf

    SHA1

    4b6cda6c8b8cee46a61d4aa9e89cf20af7c91844

    SHA256

    0172c5a1f4bf09c3ebad37ec291f4ac2ab70317cf353e1fc35db6e34ad6b805c

    SHA512

    72674650d5bc21050654e585ad5f8e4c09e2b7c4281331dfe8e1c8855f89870af63c56baa78ddd5dd98b544022fa4a6b6ecf59f0c3a02269cd1d3f8de1203f3c

  • memory/1932-14-0x0000000000400000-0x000000000041F000-memory.dmp

    Filesize

    124KB

  • memory/1932-15-0x0000000000210000-0x0000000000296000-memory.dmp

    Filesize

    536KB

  • memory/1932-0-0x0000000000400000-0x0000000000486000-memory.dmp

    Filesize

    536KB

  • memory/1932-1-0x0000000000150000-0x0000000000171000-memory.dmp

    Filesize

    132KB

  • memory/1932-2-0x0000000000400000-0x000000000041F000-memory.dmp

    Filesize

    124KB

  • memory/2228-17-0x0000000000400000-0x0000000000486000-memory.dmp

    Filesize

    536KB

  • memory/2228-18-0x0000000000150000-0x0000000000171000-memory.dmp

    Filesize

    132KB

  • memory/2228-112-0x0000000000400000-0x0000000000486000-memory.dmp

    Filesize

    536KB