General

  • Target

    f5a8b8cfa0fdf5222c2d163c9b98e366_JaffaCakes118

  • Size

    3.0MB

  • Sample

    240417-nh6kcadb92

  • MD5

    f5a8b8cfa0fdf5222c2d163c9b98e366

  • SHA1

    292625e126bc1a74819220b803b48e3a08b7855b

  • SHA256

    9be991e72ded580a61a4e57c32ddf7fa62959878414078edda71c1f2178672bf

  • SHA512

    5e3ac3bed022c9d9d648713aa3732796b36b2e5b2e089857132bff20531a239495b6f8bd9162231fcb912ac1e2dd02e3abb7ecd4b613057cd184d3aa12a6099f

  • SSDEEP

    49152:KesB9kvW2qx3FuhzaSCjPQov8OnqIt7jVRgUezC0lXWm5ZKZDfDAu:j/v45bj117RKU25Wm5M

Malware Config

Extracted

Family

mercurialgrabber

C2

https://discordapp.com/api/webhooks/877756692006318132/wv2tatnT6WHFx8av_Ka4KcRdwz19-L6h0TWkYupv-a0XGX1YUV09zIaN-ZZhgN-KbHhk

Targets

    • Target

      f5a8b8cfa0fdf5222c2d163c9b98e366_JaffaCakes118

    • Size

      3.0MB

    • MD5

      f5a8b8cfa0fdf5222c2d163c9b98e366

    • SHA1

      292625e126bc1a74819220b803b48e3a08b7855b

    • SHA256

      9be991e72ded580a61a4e57c32ddf7fa62959878414078edda71c1f2178672bf

    • SHA512

      5e3ac3bed022c9d9d648713aa3732796b36b2e5b2e089857132bff20531a239495b6f8bd9162231fcb912ac1e2dd02e3abb7ecd4b613057cd184d3aa12a6099f

    • SSDEEP

      49152:KesB9kvW2qx3FuhzaSCjPQov8OnqIt7jVRgUezC0lXWm5ZKZDfDAu:j/v45bj117RKU25Wm5M

    • Mercurial Grabber Stealer

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

    • Identifies VirtualBox via ACPI registry values (likely anti-VM)

    • Looks for VirtualBox Guest Additions in registry

    • Looks for VMWare Tools registry key

    • Checks BIOS information in registry

      BIOS information is often read in order to detect sandboxing environments.

    • Reads user/profile data of web browsers

      Infostealers often target stored browser data, which can include saved credentials etc.

    • Themida packer

      Detects Themida, an advanced Windows software protection system.

    • Checks whether UAC is enabled

    • Looks up external IP address via web service

      Uses a legitimate IP lookup service to find the infected system's external IP.

    • Maps connected drives based on registry

      Disk information is often read in order to detect sandboxing environments.

    • Suspicious use of NtSetInformationThreadHideFromDebugger

MITRE ATT&CK Matrix ATT&CK v13

Defense Evasion

Virtualization/Sandbox Evasion

3
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

8
T1012

Virtualization/Sandbox Evasion

3
T1497

System Information Discovery

6
T1082

Peripheral Device Discovery

2
T1120

Collection

Data from Local System

1
T1005

Tasks