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Analysis

  • max time kernel
    122s
  • max time network
    151s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240412-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240412-enlocale:en-usos:windows10-2004-x64system
  • submitted
    19/04/2024, 22:13

General

  • Target

    fb47c428877abae11a97f7bb16dc4654_JaffaCakes118.exe

  • Size

    41KB

  • MD5

    fb47c428877abae11a97f7bb16dc4654

  • SHA1

    36ee18c326a07dc1b5a817b4dca345450b025cd2

  • SHA256

    b279247b6e0cc46b9f7f25d7817ce17ef3c79d8bc85babcca20acae001ff9e44

  • SHA512

    9d32db183161cd153dbe1837d734bb3901ba4581f4bc276533d9b8b793bc39f62767b7823e6d4e869c88e1136496ab43b61b58913dafecde4c13a6283b0c8b1a

  • SSDEEP

    768:pscabfwOAi0/aTQSwsuZsJe9WTjmKZKfgm3EhFJ:2cINJe9WTSF7ErJ

Malware Config

Extracted

Family

mercurialgrabber

C2

https://discordapp.com/api/webhooks/867311595049713685/emI5vXnES6OzJ9KNVZNJw1XXVVFL0-6TxE3EnFNhJosGgaAa_D2nEGqYJyHzKRZ_AFwj

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 5 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\fb47c428877abae11a97f7bb16dc4654_JaffaCakes118.exe
    "C:\Users\Admin\AppData\Local\Temp\fb47c428877abae11a97f7bb16dc4654_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
    PID:4564

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads

  • memory/4564-0-0x0000000000630000-0x0000000000640000-memory.dmp

    Filesize

    64KB

  • memory/4564-1-0x00007FFE088B0000-0x00007FFE09371000-memory.dmp

    Filesize

    10.8MB

  • memory/4564-2-0x0000000000F20000-0x0000000000F30000-memory.dmp

    Filesize

    64KB

  • memory/4564-8-0x00007FFE088B0000-0x00007FFE09371000-memory.dmp

    Filesize

    10.8MB