Analysis

  • max time kernel
    120s
  • max time network
    124s
  • platform
    windows7_x64
  • resource
    win7-20240221-en
  • resource tags

    arch:x64arch:x86image:win7-20240221-enlocale:en-usos:windows7-x64system
  • submitted
    10-04-2024 19:04

General

  • Target

    ebc6d55a45996861c5a84937d2a990da_JaffaCakes118.exe

  • Size

    275KB

  • MD5

    ebc6d55a45996861c5a84937d2a990da

  • SHA1

    db9e42e191c95168d03274cc4d0ab18e35d3f314

  • SHA256

    42f1065841dc77643d3a3c33fb40de4c2931e3a4d15d9802fff0a194c821ea2b

  • SHA512

    927560123afb2d46c4a57065402182bf5522bc3be9d4d9593ec79d72eb4fdd12edc85dbe77d24e2801550bf1c09ac950521b52a62c384de2aad2304edf8db477

  • SSDEEP

    6144:Wf+BLtABPD9FBWKXsSlrVPl/9rHxlqQy8ERA190AxR:sFsSlrVPlJxlNyW19vR

Malware Config

Extracted

Family

44caliber

C2

https://discord.com/api/webhooks/869968115126128690/9HuocC8P0OFpxwEHR7UGW0ZtseqV8b95oQ9ExN0rHkwTjipAQLrkOqPzDiDXxXky3kUL

Signatures

  • 44Caliber

    An open source infostealer written in C#.

  • Reads user/profile data of web browsers 2 TTPs

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

  • Accesses cryptocurrency files/wallets, possible credential harvesting 2 TTPs
  • Looks up external IP address via web service 2 IoCs

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

  • Checks processor information in registry 2 TTPs 2 IoCs

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

  • Suspicious behavior: EnumeratesProcesses 4 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\ebc6d55a45996861c5a84937d2a990da_JaffaCakes118.exe
    "C:\Users\Admin\AppData\Local\Temp\ebc6d55a45996861c5a84937d2a990da_JaffaCakes118.exe"
    1⤵
    • Checks processor information in registry
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    PID:2216

Network

MITRE ATT&CK Matrix ATT&CK v13

Credential Access

Unsecured Credentials

2
T1552

Credentials In Files

2
T1552.001

Discovery

Query Registry

1
T1012

System Information Discovery

1
T1082

Collection

Data from Local System

2
T1005

Replay Monitor

Loading Replay Monitor...

Downloads

  • memory/2216-0-0x00000000009B0000-0x00000000009FC000-memory.dmp
    Filesize

    304KB

  • memory/2216-1-0x000007FEF5CA0000-0x000007FEF668C000-memory.dmp
    Filesize

    9.9MB

  • memory/2216-2-0x000000001A990000-0x000000001AA10000-memory.dmp
    Filesize

    512KB

  • memory/2216-50-0x000007FEF5CA0000-0x000007FEF668C000-memory.dmp
    Filesize

    9.9MB