General

  • Target

    https://oxy.st/d/iwUh

  • Sample

    240620-khawwsyapa

Malware Config

Extracted

Family

44caliber

C2

https://discord.com/api/webhooks/1250466807987572878/2s356N2ZDLYW7dWoAtj5Qd-O5vz4lzccfmJMAUbgo5m24fFJ8yVB5CEZcitniXRiRtZB

Targets

    • Target

      https://oxy.st/d/iwUh

    • 44Caliber

      An open source infostealer written in C#.

    • Downloads MZ/PE file

    • Checks computer location settings

      Looks up country code configured in the registry, likely geofence.

    • Executes dropped EXE

    • Loads dropped DLL

    • Reads user/profile data of web browsers

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

    • Accesses cryptocurrency files/wallets, possible credential harvesting

    • Enumerates connected drives

      Attempts to read the root path of hard drives other than the default C: drive.

    • Legitimate hosting services abused for malware hosting/C2

    • Looks up external IP address via web service

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

    • Drops file in System32 directory

MITRE ATT&CK Matrix ATT&CK v13

Execution

Command and Scripting Interpreter

1
T1059

PowerShell

1
T1059.001

Scheduled Task/Job

1
T1053

Scheduled Task

1
T1053.005

Persistence

Scheduled Task/Job

1
T1053

Scheduled Task

1
T1053.005

Privilege Escalation

Scheduled Task/Job

1
T1053

Scheduled Task

1
T1053.005

Credential Access

Unsecured Credentials

2
T1552

Credentials In Files

2
T1552.001

Discovery

Query Registry

5
T1012

System Information Discovery

5
T1082

Peripheral Device Discovery

2
T1120

Collection

Data from Local System

2
T1005

Command and Control

Web Service

1
T1102

Tasks