Analysis

  • max time kernel
    119s
  • max time network
    122s
  • platform
    windows7_x64
  • resource
    win7-20240221-en
  • resource tags

    arch:x64arch:x86image:win7-20240221-enlocale:en-usos:windows7-x64system
  • submitted
    15-04-2024 03:37

General

  • Target

    f0376d8a746bc8d8589d368af430f307_JaffaCakes118.exe

  • Size

    252KB

  • MD5

    f0376d8a746bc8d8589d368af430f307

  • SHA1

    99245d66e795fffb2d033fad31c03f30a562fd17

  • SHA256

    3fbbbbf97c47ed31e3409c6f1ec906ccdccad38a7b6ec2bb30d9b317487fe305

  • SHA512

    f762852235f294b0b68197d5dcfc7943cb3bbec6a318d0b9e5c61bdfd7dc5d039b6d8c255ca4b1511ae4fcd3bff9f9252509a5c2bd0a6cdfcee91b7f6d933338

  • SSDEEP

    3072:977eMqu+6ju4ulnpsXMZ4jB/l3jAQ9iGbENKA5dUN2gKf4Ekz1eaMjAmectmF3hZ:NeMu6A/ejB/hA2iGwRm2nQ1z1eRbpr

Malware Config

Extracted

Family

44caliber

C2

https://discord.com/api/webhooks/877551745146966088/zdWS__oS1X6coj-dV7NIr-hd12u1LwU_oWVOI2bIsC96CC3sU1OIo4ccoGSgAlx_8B3A

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\f0376d8a746bc8d8589d368af430f307_JaffaCakes118.exe
    "C:\Users\Admin\AppData\Local\Temp\f0376d8a746bc8d8589d368af430f307_JaffaCakes118.exe"
    1⤵
    • Checks processor information in registry
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    PID:2200

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/2200-0-0x0000000001380000-0x00000000013C6000-memory.dmp
    Filesize

    280KB

  • memory/2200-1-0x000007FEF5DB0000-0x000007FEF679C000-memory.dmp
    Filesize

    9.9MB

  • memory/2200-2-0x000000001B010000-0x000000001B090000-memory.dmp
    Filesize

    512KB

  • memory/2200-48-0x000007FEF5DB0000-0x000007FEF679C000-memory.dmp
    Filesize

    9.9MB