Analysis

  • max time kernel
    119s
  • max time network
    121s
  • platform
    windows7_x64
  • resource
    win7-20240220-en
  • resource tags

    arch:x64arch:x86image:win7-20240220-enlocale:en-usos:windows7-x64system
  • submitted
    08-04-2024 17:38

General

  • Target

    e809649b52bd9fcb52ec1636ec70f540_JaffaCakes118.exe

  • Size

    247KB

  • MD5

    e809649b52bd9fcb52ec1636ec70f540

  • SHA1

    b4ab674182553ac3b69c47187ff9b37224fdf734

  • SHA256

    e2a04279f0167c1ca6d8f5020ad95567b57ce51442a084dcb3b0e850cd5ec927

  • SHA512

    135723a849bb081397954d67bfb5a8202b4deacd7752b8193a0c02567ead6d5eca7908206a322194cfa780cea0d447298f987889de716a7443156067d20b4547

  • SSDEEP

    3072:DU9sLlTzF7EB8gYJLuuuuuuuuU6Naek/wquwTvTjPAPX:D8sIoKvqX

Malware Config

Extracted

Family

mercurialgrabber

C2

https://discordapp.com/api/webhooks/876951365916708895/snf0dfZce193Z9aqCVg1U2CQFsB4dW07GOca8p2jO2vdbErdLTc6wezdPFZrvIq5IhUS

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.

  • 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\e809649b52bd9fcb52ec1636ec70f540_JaffaCakes118.exe
    "C:\Users\Admin\AppData\Local\Temp\e809649b52bd9fcb52ec1636ec70f540_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:1688
    • C:\Windows\system32\WerFault.exe
      C:\Windows\system32\WerFault.exe -u -p 1688 -s 1928
      2⤵
        PID:2824

    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\MetaData\94308059B57B3142E455B38A6EB92015

      Filesize

      344B

      MD5

      b3838d1d2086a74d42f1eef3e20f3460

      SHA1

      796b97896d0ea7082d65d0db137e9604e2d8465e

      SHA256

      3eb1c0ff19ff70b04914b773c09cc4e80992f7553dadb90a77939de9f69574b1

      SHA512

      89e4329cca149e4c0561e1b3d4e4bf7052303fa898f58fac0f153591e89931bd41c1bc9bc9cc1a6e8cae2396c393f723162ef60b35008f6642a920f694a661eb

    • C:\Users\Admin\AppData\Local\Temp\Cab22A0.tmp

      Filesize

      65KB

      MD5

      ac05d27423a85adc1622c714f2cb6184

      SHA1

      b0fe2b1abddb97837ea0195be70ab2ff14d43198

      SHA256

      c6456e12e5e53287a547af4103e0397cb9697e466cf75844312dc296d43d144d

      SHA512

      6d0ef9050e41fbae680e0e59dd0f90b6ac7fea5579ef5708b69d5da33a0ece7e8b16574b58b17b64a34cc34a4ffc22b4a62c1ece61f36c4a11a0665e0536b90d

    • C:\Users\Admin\AppData\Local\Temp\Tar2371.tmp

      Filesize

      177KB

      MD5

      435a9ac180383f9fa094131b173a2f7b

      SHA1

      76944ea657a9db94f9a4bef38f88c46ed4166983

      SHA256

      67dc37ed50b8e63272b49a254a6039ee225974f1d767bb83eb1fd80e759a7c34

      SHA512

      1a6b277611959720a9c71114957620517ad94541302f164eb872bd322292a952409bafb8bc2ac793b16ad5f25d83f8594ccff2b7834e3c2b2b941e6fc84c009a

    • memory/1688-0-0x0000000000BB0000-0x0000000000BF2000-memory.dmp

      Filesize

      264KB

    • memory/1688-1-0x000007FEF50D0000-0x000007FEF5ABC000-memory.dmp

      Filesize

      9.9MB

    • memory/1688-2-0x000000001AE40000-0x000000001AEC0000-memory.dmp

      Filesize

      512KB

    • memory/1688-80-0x000007FEF50D0000-0x000007FEF5ABC000-memory.dmp

      Filesize

      9.9MB

    • memory/1688-81-0x000000001AE40000-0x000000001AEC0000-memory.dmp

      Filesize

      512KB