Analysis

  • max time kernel
    119s
  • max time network
    124s
  • platform
    windows7_x64
  • resource
    win7-20231129-en
  • resource tags

    arch:x64arch:x86image:win7-20231129-enlocale:en-usos:windows7-x64system
  • submitted
    04-04-2024 20:39

General

  • Target

    c233614ca5174ef0d39f6879a3fcb230_JaffaCakes118.exe

  • Size

    42KB

  • MD5

    c233614ca5174ef0d39f6879a3fcb230

  • SHA1

    9be30e47ae193961e11f96f0895c664f24e80fac

  • SHA256

    a37653305ff07cc88a10e9c2d3d0bd636108de532832538d8dabc731bdd787e1

  • SHA512

    4b0b324260080c425bbfdfe9de02844128e9efdf5ae213171cf850fd56ce408b459a9e2ef9b582db0056c39982d04bb4463e0825f42cb716fc4d01ab6c1c6a28

  • SSDEEP

    768:Wpd+baxjylJQduZRLPTTjNKZKfgm3EhVo:AxjyokLPTTBF7Ejo

Malware Config

Extracted

Family

mercurialgrabber

C2

https://discord.com/api/webhooks/896295017675636736/NOKsZXKfse7x0GM-UEHE5Ih8ZgGQ115yE3vE2brxhCsJWn4yDd3g5patwyBiZEQun8wH

Signatures

  • Mercurial Grabber Stealer

    Mercurial Grabber is an open source stealer targeting Chrome, Discord and some game clients as well as generic system information.

  • Looks for VirtualBox Guest Additions in registry 2 TTPs 1 IoCs
  • Looks for VMWare Tools registry key 2 TTPs 1 IoCs
  • Checks BIOS information in registry 2 TTPs 1 IoCs

    BIOS information is often read in order to detect sandboxing environments.

  • Reads user/profile data of web browsers 2 TTPs

    Infostealers often target stored browser data, which can include saved credentials etc.

  • Legitimate hosting services abused for malware hosting/C2 1 TTPs 3 IoCs
  • Looks up external IP address via web service 3 IoCs

    Uses a legitimate IP lookup service to find the infected system's external IP.

  • Maps connected drives based on registry 3 TTPs 2 IoCs

    Disk information is often read in order to detect sandboxing environments.

  • Checks SCSI registry key(s) 3 TTPs 1 IoCs

    SCSI information is often read in order to detect sandboxing environments.

  • Checks processor information in registry 2 TTPs 2 IoCs

    Processor information is often read in order to detect sandboxing environments.

  • Enumerates system info in registry 2 TTPs 4 IoCs
  • Modifies system certificate store 2 TTPs 6 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of WriteProcessMemory 3 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\c233614ca5174ef0d39f6879a3fcb230_JaffaCakes118.exe
    "C:\Users\Admin\AppData\Local\Temp\c233614ca5174ef0d39f6879a3fcb230_JaffaCakes118.exe"
    1⤵
    • Looks for VirtualBox Guest Additions in registry
    • Looks for VMWare Tools registry key
    • Checks BIOS information in registry
    • Maps connected drives based on registry
    • Checks SCSI registry key(s)
    • Checks processor information in registry
    • Enumerates system info in registry
    • Modifies system certificate store
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:1988
    • C:\Windows\system32\WerFault.exe
      C:\Windows\system32\WerFault.exe -u -p 1988 -s 1896
      2⤵
        PID:2412

    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\Content\F0ACCF77CDCBFF39F6191887F6D2D357

      Filesize

      1KB

      MD5

      a266bb7dcc38a562631361bbf61dd11b

      SHA1

      3b1efd3a66ea28b16697394703a72ca340a05bd5

      SHA256

      df545bf919a2439c36983b54cdfc903dfa4f37d3996d8d84b4c31eec6f3c163e

      SHA512

      0da8ef4f8f6ed3d16d2bc8eb816b9e6e1345dfe2d91160196c47e6149a1d6aedaafadcefd66acdea7f72dcf0832770192ceac15b0c559c4ccc2c0e5581d5aefc

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

      Filesize

      344B

      MD5

      723f2f9a6eb97cb1dc15fab719a7002b

      SHA1

      d01b4eb88ac5643b7dbad89be65435bb3f11b8a6

      SHA256

      b821d8eeb3178a9023ceb48542634ecde1d585aeea9d64adc749980e5eb30c8c

      SHA512

      a7ee58fb85b670aeb982843f01fdbccb0af3fba5ab4b668a9b9d02802a3ee0d258a7e933e5ea0d4447f8276e73aedab6a43a1e52316c791aa7d16f41ef08a7fe

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

      Filesize

      242B

      MD5

      58535743e6f73fab277334c8c6f0f404

      SHA1

      22d46b335194c067716f5f6b203c107b886a6bdf

      SHA256

      410b0d3c6d46bad3ade441f16c075aa27ea27605bad21d3b35e6ed9a9995c35f

      SHA512

      262c3323f25800c582a82c74a907b2be12248f45cb01ee072bc3d769127a33cdc3297593c391b720d7a31bd8d0667d67d5a7f4bf301963d0f72591532c82e09e

    • C:\Users\Admin\AppData\Local\Temp\Tar1F0A.tmp

      Filesize

      177KB

      MD5

      435a9ac180383f9fa094131b173a2f7b

      SHA1

      76944ea657a9db94f9a4bef38f88c46ed4166983

      SHA256

      67dc37ed50b8e63272b49a254a6039ee225974f1d767bb83eb1fd80e759a7c34

      SHA512

      1a6b277611959720a9c71114957620517ad94541302f164eb872bd322292a952409bafb8bc2ac793b16ad5f25d83f8594ccff2b7834e3c2b2b941e6fc84c009a

    • memory/1988-0-0x0000000001180000-0x0000000001190000-memory.dmp

      Filesize

      64KB

    • memory/1988-1-0x000007FEF5040000-0x000007FEF5A2C000-memory.dmp

      Filesize

      9.9MB

    • memory/1988-2-0x000000001AE30000-0x000000001AEB0000-memory.dmp

      Filesize

      512KB

    • memory/1988-89-0x000007FEF5040000-0x000007FEF5A2C000-memory.dmp

      Filesize

      9.9MB

    • memory/1988-90-0x000000001AE30000-0x000000001AEB0000-memory.dmp

      Filesize

      512KB