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Analysis

  • max time kernel
    121s
  • max time network
    125s
  • platform
    windows7_x64
  • resource
    win7-20231129-en
  • resource tags

    arch:x64arch:x86image:win7-20231129-enlocale:en-usos:windows7-x64system
  • submitted
    30/03/2024, 17:31

General

  • Target

    409eed418408597f0a962a72084954fc_JaffaCakes118.exe

  • Size

    302KB

  • MD5

    409eed418408597f0a962a72084954fc

  • SHA1

    138afac3a26afe9ae80c2f4039aa37b683c720a4

  • SHA256

    1b8fb7ba5b8df9b78b495cd8bf6dcfa9f2c2788ca14db5f0a8c6f764477e8651

  • SHA512

    483cf76c9c59d024491c68bb8678676060e1b375e4b3264aad4a88ef85bb5a300e4210d56d0a3e7677dbf19d101e72b9fd11c8f9a4a91d04234b8fd023eda8a8

  • SSDEEP

    6144:vRCiEKbuoRwE5WTrKi4LnqYkmIRZr/sBrD/jk9jtqpa7xjLazT:dbuoF5ErKNqKIt/0bk9jt4aFw

Malware Config

Extracted

Family

mercurialgrabber

C2

https://discord.com/api/webhooks/899039214799302707/qsWKqfMDHZvpjKdUaLOScVIgdq1amrTWt3H7cYjN7JYAUUvivw72drT90nFEQohSqE7a

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\409eed418408597f0a962a72084954fc_JaffaCakes118.exe
    "C:\Users\Admin\AppData\Local\Temp\409eed418408597f0a962a72084954fc_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:2948
    • C:\Windows\system32\WerFault.exe
      C:\Windows\system32\WerFault.exe -u -p 2948 -s 1812
      2⤵
        PID:624

    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

      01689b65266f6990ab8844e731dce355

      SHA1

      8d4bbe894a6493d115569657adc1974994b35644

      SHA256

      e0117fb9935dcb15345b89c3df2dcc11a792f5fccbc0aaad55b07aa202390742

      SHA512

      10d26f14f9f2a59cf7b4b30046e6860ff6b1e274b80a2d21f2b850428c03415ffc5ae37da862773c6e71977b82764708062e6416a5996b83753ea169271a9167

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

      Filesize

      242B

      MD5

      6dea44f4cfe236941ea1d928bb0e3e97

      SHA1

      3f0d3bc1c45d6d1d6550cb86b677c02bd8cc3f0c

      SHA256

      bdff2598ac0112bb77c511029ac998f2dd5a36545cc339f5e9010f28a84b4fed

      SHA512

      0d5aa01b30ed5ba6d0ffce5b522aa9b04da199866f2b06aea507d0d8bdc28b8fe9b47f1e9c430d88037ac12e5b1168adb3206766a8e635212ed0ddfe5c3dea6d

    • C:\Users\Admin\AppData\Local\Temp\Tar72C5.tmp

      Filesize

      177KB

      MD5

      435a9ac180383f9fa094131b173a2f7b

      SHA1

      76944ea657a9db94f9a4bef38f88c46ed4166983

      SHA256

      67dc37ed50b8e63272b49a254a6039ee225974f1d767bb83eb1fd80e759a7c34

      SHA512

      1a6b277611959720a9c71114957620517ad94541302f164eb872bd322292a952409bafb8bc2ac793b16ad5f25d83f8594ccff2b7834e3c2b2b941e6fc84c009a

    • memory/2948-0-0x0000000000FD0000-0x0000000001022000-memory.dmp

      Filesize

      328KB

    • memory/2948-1-0x000007FEF50F0000-0x000007FEF5ADC000-memory.dmp

      Filesize

      9.9MB

    • memory/2948-2-0x0000000000620000-0x00000000006A0000-memory.dmp

      Filesize

      512KB

    • memory/2948-89-0x000007FEF50F0000-0x000007FEF5ADC000-memory.dmp

      Filesize

      9.9MB

    • memory/2948-90-0x0000000000620000-0x00000000006A0000-memory.dmp

      Filesize

      512KB