Analysis

  • max time kernel
    122s
  • max time network
    123s
  • platform
    windows7_x64
  • resource
    win7-20240903-en
  • resource tags

    arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
  • submitted
    29-11-2024 16:11

General

  • Target

    b260f5ae462a0d75e674c84ddca81a77_JaffaCakes118.exe

  • Size

    60KB

  • MD5

    b260f5ae462a0d75e674c84ddca81a77

  • SHA1

    8b574905354e12212fba7a95a946f100f39b652a

  • SHA256

    c978893111234db343df7292a95001b8080fdcb3b873a0f637f372da7d7ce8ee

  • SHA512

    e40b0915473934df8b2e7847675ea801eaf13bac1f9765b8c4e1bf24073756141f95a92c1af8e429f1c90a73a4b5c4d87d7d787ec05f668d4fa4f1a84d26ca5f

  • SSDEEP

    768:ckFRMfauZNLUNTjCCKZKfgm3EhbF6Vi8AnCTMpxY1mnTk6Whm5oP1ZBc:OfhLUNTDF7ERF6VVTMpSmng6UP1D

Malware Config

Extracted

Family

mercurialgrabber

C2

https://discord.com/api/webhooks/874272273777954866/QqU1LbQRkbqj5OsXKfXP4WJzd0hfF9p5K2VoAR-xR-jvKaYxIH2a2DLogSQEi2DYDqc0

Signatures

  • Mercurial Grabber Stealer

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

  • Mercurialgrabber family
  • 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 3 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 2 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
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of WriteProcessMemory 3 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\b260f5ae462a0d75e674c84ddca81a77_JaffaCakes118.exe
    "C:\Users\Admin\AppData\Local\Temp\b260f5ae462a0d75e674c84ddca81a77_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
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:2460
    • C:\Windows\system32\WerFault.exe
      C:\Windows\system32\WerFault.exe -u -p 2460 -s 1396
      2⤵
        PID:2796

    Network

    MITRE ATT&CK Enterprise v15

    Replay Monitor

    Loading Replay Monitor...

    Downloads

    • memory/2460-0-0x000007FEF5803000-0x000007FEF5804000-memory.dmp

      Filesize

      4KB

    • memory/2460-1-0x00000000011E0000-0x00000000011F4000-memory.dmp

      Filesize

      80KB

    • memory/2460-2-0x000007FEF5800000-0x000007FEF61EC000-memory.dmp

      Filesize

      9.9MB

    • memory/2460-3-0x000007FEF5803000-0x000007FEF5804000-memory.dmp

      Filesize

      4KB

    • memory/2460-4-0x000007FEF5800000-0x000007FEF61EC000-memory.dmp

      Filesize

      9.9MB

    • memory/2460-5-0x000007FEF5800000-0x000007FEF61EC000-memory.dmp

      Filesize

      9.9MB