Analysis

  • max time kernel
    148s
  • max time network
    150s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240226-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240226-enlocale:en-usos:windows10-2004-x64system
  • submitted
    07-04-2024 12:06

General

  • Target

    e4e2e0cccdc2ca304ad23def23972dbd_JaffaCakes118.exe

  • Size

    190KB

  • MD5

    e4e2e0cccdc2ca304ad23def23972dbd

  • SHA1

    7947026fd18ddfb46ee30d6765c1bc81d6846b2c

  • SHA256

    9ce1963269efaa3e64273e20c04c215dfe781044813336fa1bdd5fe126345458

  • SHA512

    61a53b39abd64ccf3fcb875786bf5005ff334a5bf17c940c80f8998c804bf3bd544df127c053a27faa602cbf11be39e85ab3babbfef3c0ab37733e79676ca8a0

  • SSDEEP

    3072:epcG95wMLXTNF7EwYWO33VrhwkHYDKkzQ9RY6N0QuvkXdRx3uXpGj0qwQGizQQz:epcG95wM7I3v0Kkc9RXdDUXU4qwyzQuk

Malware Config

Extracted

Family

mercurialgrabber

C2

https://discord.com/api/webhooks/877488114191466546/FUrNh0PeCyjW3Yr_BJdodg7lzmuSvDjTsy_PMxpPmuinCJuw1BpCnGLb-rAPNYxQ9EIb

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 5 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\e4e2e0cccdc2ca304ad23def23972dbd_JaffaCakes118.exe
    "C:\Users\Admin\AppData\Local\Temp\e4e2e0cccdc2ca304ad23def23972dbd_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:4504

Network

MITRE ATT&CK Matrix ATT&CK v13

Defense Evasion

Virtualization/Sandbox Evasion

2
T1497

Subvert Trust Controls

1
T1553

Install Root Certificate

1
T1553.004

Modify Registry

1
T1112

Credential Access

Unsecured Credentials

1
T1552

Credentials In Files

1
T1552.001

Discovery

Query Registry

7
T1012

Virtualization/Sandbox Evasion

2
T1497

System Information Discovery

5
T1082

Peripheral Device Discovery

2
T1120

Collection

Data from Local System

1
T1005

Command and Control

Web Service

1
T1102

Replay Monitor

Loading Replay Monitor...

Downloads

  • memory/4504-0-0x0000000000530000-0x0000000000564000-memory.dmp
    Filesize

    208KB

  • memory/4504-1-0x00007FFAC4700000-0x00007FFAC51C1000-memory.dmp
    Filesize

    10.8MB

  • memory/4504-2-0x000000001B0B0000-0x000000001B0C0000-memory.dmp
    Filesize

    64KB

  • memory/4504-8-0x00007FFAC4700000-0x00007FFAC51C1000-memory.dmp
    Filesize

    10.8MB