Analysis

  • max time kernel
    121s
  • max time network
    124s
  • platform
    windows7_x64
  • resource
    win7-20240705-en
  • resource tags

    arch:x64arch:x86image:win7-20240705-enlocale:en-usos:windows7-x64system
  • submitted
    13-07-2024 19:02

General

  • Target

    42f3ef59924620b6860e51162b1c48e8_JaffaCakes118.exe

  • Size

    252KB

  • MD5

    42f3ef59924620b6860e51162b1c48e8

  • SHA1

    38fa893b074d5db0ab16962fc99a935b7a60f9b4

  • SHA256

    c384c90952b58f1bae1104c9c1898ab43454f922b1eb2c482042405e83442290

  • SHA512

    1c38fa8ecdd20e4f4557146dcc8f905ae519373946dd5975088638b1744b63b06c10256728b2ddaaf00c8fd77830ed5664bfce7725a971bb5aa915b95aba04e2

  • SSDEEP

    6144:Ru0YFP5mhBs1PbSG6ny/VKlms0XC2FLk78kZ:008gOlL/VGn0SFwk

Malware Config

Extracted

Family

44caliber

C2

https://discord.com/api/webhooks/893708789679783947/dTZTjfGIFQXCZUzJQr5UmJ8mioHm5Q4KHpMoDrD6Up9yDL0gaeuxdBoE-CeC61m6fBY2

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\42f3ef59924620b6860e51162b1c48e8_JaffaCakes118.exe
    "C:\Users\Admin\AppData\Local\Temp\42f3ef59924620b6860e51162b1c48e8_JaffaCakes118.exe"
    1⤵
    • Checks processor information in registry
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    PID:1480

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/1480-0-0x000007FEF5413000-0x000007FEF5414000-memory.dmp
    Filesize

    4KB

  • memory/1480-1-0x00000000013D0000-0x0000000001416000-memory.dmp
    Filesize

    280KB

  • memory/1480-19-0x000007FEF5410000-0x000007FEF5DFC000-memory.dmp
    Filesize

    9.9MB

  • memory/1480-52-0x000007FEF5410000-0x000007FEF5DFC000-memory.dmp
    Filesize

    9.9MB