General

  • Target

    8d88b6afcfdf51afa91d7fbdbda3123f

  • Size

    3.7MB

  • Sample

    240203-2kascabfa7

  • MD5

    8d88b6afcfdf51afa91d7fbdbda3123f

  • SHA1

    8992be4a6ad43f41f4098f5f6e16c52ce1a15128

  • SHA256

    f1a5c8f4f3ab1e52cb2b85da2c0a0a1196600d77864b2a08f10994df7ca19e47

  • SHA512

    1df17fbc715acee1c6a8067372c08e6566b50a92840af6d3369d00cf6f0cad9256f5d16f22f57055db89a9fb10520506f51f97eabf5177201f31fe9119df1527

  • SSDEEP

    98304:ebvEDT/eSXK4YubNjNS/AAjz0h+9I/E9rep:eE/LYuFNp4++hSp

Malware Config

Extracted

Family

44caliber

C2

https://discord.com/api/webhooks/867414880008142858/TD_59PPDbRxUvtxfYmpmvXB-AISV68npXT3nWVWmC5qoDjluGk0XKjmzmpP1jyAwpfZk

Targets

    • Target

      8d88b6afcfdf51afa91d7fbdbda3123f

    • Size

      3.7MB

    • MD5

      8d88b6afcfdf51afa91d7fbdbda3123f

    • SHA1

      8992be4a6ad43f41f4098f5f6e16c52ce1a15128

    • SHA256

      f1a5c8f4f3ab1e52cb2b85da2c0a0a1196600d77864b2a08f10994df7ca19e47

    • SHA512

      1df17fbc715acee1c6a8067372c08e6566b50a92840af6d3369d00cf6f0cad9256f5d16f22f57055db89a9fb10520506f51f97eabf5177201f31fe9119df1527

    • SSDEEP

      98304:ebvEDT/eSXK4YubNjNS/AAjz0h+9I/E9rep:eE/LYuFNp4++hSp

    • 44Caliber

      An open source infostealer written in C#.

    • 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

    • Looks up external IP address via web service

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

    • Suspicious use of NtSetInformationThreadHideFromDebugger

MITRE ATT&CK Matrix ATT&CK v13

Credential Access

Unsecured Credentials

2
T1552

Credentials In Files

2
T1552.001

Discovery

Query Registry

2
T1012

System Information Discovery

3
T1082

Collection

Data from Local System

2
T1005

Tasks