Analysis

  • max time kernel
    117s
  • max time network
    121s
  • platform
    windows7_x64
  • resource
    win7-20240221-en
  • resource tags

    arch:x64arch:x86image:win7-20240221-enlocale:en-usos:windows7-x64system
  • submitted
    17-04-2024 03:23

General

  • Target

    f4edcee0fccea560a55fd5a0af220a12_JaffaCakes118.exe

  • Size

    433KB

  • MD5

    f4edcee0fccea560a55fd5a0af220a12

  • SHA1

    263b1b7293692ff6cdf69b50b3250226940a2130

  • SHA256

    b87fbc334f9b723fe13dca8df569d4d69cee53228c94d98c05c5dda213126a92

  • SHA512

    aa2e224eb9951e748f8c54dd5a7f1175c9ee55e43cb85a9ea22c0ada89cb2bb07a428a8ad2118a10e5dcbcea88a7ed54df254d40cad4c9f6f40977efc5c2e28c

  • SSDEEP

    12288:aRZ+IoG/n9IQxW3OBsFGBHbpbmhshwKcrV:U2G/nvxW3Wl71mhLV

Malware Config

Extracted

Family

mercurialgrabber

C2

https://discord.com/api/webhooks/868606688339558410/hidbzrVtZvqqfQVZoZpaSpgBQWT8GpwqLDeONZx5uuJgGuKvizm4h547bL-l3GvbBDmQ

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.

  • Executes dropped EXE 1 IoCs
  • Loads dropped DLL 4 IoCs
  • 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.

  • Enumerates physical storage devices 1 TTPs

    Attempts to interact with connected storage/optical drive(s).

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

    SCSI 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 4 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of WriteProcessMemory 4 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\f4edcee0fccea560a55fd5a0af220a12_JaffaCakes118.exe
    "C:\Users\Admin\AppData\Local\Temp\f4edcee0fccea560a55fd5a0af220a12_JaffaCakes118.exe"
    1⤵
    • Loads dropped DLL
    • Suspicious use of WriteProcessMemory
    PID:2068
    • C:\Users\Public\Music\Error.exe
      "C:\Users\Public\Music\Error.exe"
      2⤵
      • Looks for VirtualBox Guest Additions in registry
      • Looks for VMWare Tools registry key
      • Checks BIOS information in registry
      • Executes dropped EXE
      • Maps connected drives based on registry
      • Checks SCSI registry key(s)
      • Enumerates system info in registry
      • Modifies system certificate store
      • Suspicious use of AdjustPrivilegeToken
      PID:2616

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\Local\Temp\Cab92CF.tmp

    Filesize

    65KB

    MD5

    ac05d27423a85adc1622c714f2cb6184

    SHA1

    b0fe2b1abddb97837ea0195be70ab2ff14d43198

    SHA256

    c6456e12e5e53287a547af4103e0397cb9697e466cf75844312dc296d43d144d

    SHA512

    6d0ef9050e41fbae680e0e59dd0f90b6ac7fea5579ef5708b69d5da33a0ece7e8b16574b58b17b64a34cc34a4ffc22b4a62c1ece61f36c4a11a0665e0536b90d

  • C:\Users\Admin\AppData\Local\Temp\Tar943D.tmp

    Filesize

    177KB

    MD5

    435a9ac180383f9fa094131b173a2f7b

    SHA1

    76944ea657a9db94f9a4bef38f88c46ed4166983

    SHA256

    67dc37ed50b8e63272b49a254a6039ee225974f1d767bb83eb1fd80e759a7c34

    SHA512

    1a6b277611959720a9c71114957620517ad94541302f164eb872bd322292a952409bafb8bc2ac793b16ad5f25d83f8594ccff2b7834e3c2b2b941e6fc84c009a

  • \Users\Public\Music\Error.exe

    Filesize

    464KB

    MD5

    73f44de74e14e6a9cdf3d6d19090cfc7

    SHA1

    9b27733481a7a1d3c099796d7790a6fa1a2946e7

    SHA256

    0f440adddffe2a3c2861dcd10da95d37bbe99ac0f8364e977bfe8e7233667bf7

    SHA512

    a99ed4f04dc9594512a92fb2d5bb1b1f38dc29098cfe20b67cdcfbce10d2839158eebf90bd90c79d612c4de7e3ec1d57a96e795f52f13e16a707594e6a3a4e1d

  • memory/2068-4-0x0000000000CC0000-0x0000000000CC1000-memory.dmp

    Filesize

    4KB

  • memory/2616-18-0x00000000008B0000-0x0000000000928000-memory.dmp

    Filesize

    480KB

  • memory/2616-20-0x000000001AD20000-0x000000001ADA0000-memory.dmp

    Filesize

    512KB

  • memory/2616-19-0x000007FEF5D30000-0x000007FEF671C000-memory.dmp

    Filesize

    9.9MB

  • memory/2616-109-0x000007FEF5D30000-0x000007FEF671C000-memory.dmp

    Filesize

    9.9MB