Overview

overview

10

Static

static

3

73267c2a41...8e.exe

windows7-x64

10

73267c2a41...8e.exe

windows10-2004-x64

10

Sharing

Copy URL
Twitter E-mail

General

  • Target

    73267c2a412170b3f3df33616b1e1e8e

  • Size

    691KB

  • Sample

    240124-3jrvxabfcn

  • MD5

    73267c2a412170b3f3df33616b1e1e8e

  • SHA1

    bcc8e0537ea776cf75ea83aec75130fc5ba36b43

  • SHA256

    4756e7ee03184fc1b29807d6e77c4bb85d0eaaadd064c67b0b4b3a90175229a3

  • SHA512

    3354d9f68f4e4ba5a1d88d9d1c9e8cb8f2067f7a03bf1b60d7658b9a036d642f64d35a98ae13115795e2078dff1fbf94dfed4e71c5134b6f24600366d7d6e13e

  • SSDEEP

    12288:4KmX4064w0jAQrjnY8/V1Ng6U+VAqEr4viIrvLZo4P84ldlBGPMmLbAEWBvB7:4KCR3Pzg6U+Qk97G4P84dX0Mmv5WVB

Score
10/10
44caliberevasionpersistencespywarestealer

Malware Config

Targets

    • Target

      73267c2a412170b3f3df33616b1e1e8e

    • Size

      691KB

    • MD5

      73267c2a412170b3f3df33616b1e1e8e

    • SHA1

      bcc8e0537ea776cf75ea83aec75130fc5ba36b43

    • SHA256

      4756e7ee03184fc1b29807d6e77c4bb85d0eaaadd064c67b0b4b3a90175229a3

    • SHA512

      3354d9f68f4e4ba5a1d88d9d1c9e8cb8f2067f7a03bf1b60d7658b9a036d642f64d35a98ae13115795e2078dff1fbf94dfed4e71c5134b6f24600366d7d6e13e

    • SSDEEP

      12288:4KmX4064w0jAQrjnY8/V1Ng6U+VAqEr4viIrvLZo4P84ldlBGPMmLbAEWBvB7:4KCR3Pzg6U+Qk97G4P84dX0Mmv5WVB

    Score
    10/10
    44caliberevasionpersistencespywarestealer

    • 44Caliber

      An open source infostealer written in C#.

      stealer44caliber

    • Modifies Windows Firewall

      evasion

    • Checks computer location settings

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

    • Deletes itself

    • Drops startup file

    • Executes dropped EXE

    • Reads user/profile data of web browsers

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

      spywarestealer

    • Accesses cryptocurrency files/wallets, possible credential harvesting

      spyware

    • Adds Run key to start application

      persistence

    • Looks up external IP address via web service

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

    behavioral1behavioral2

MITRE ATT&CK Matrix ATT&CK v13

Initial Access

Execution

Persistence

Create or Modify System Process

1
T1543

Windows Service

1
T1543.003

Boot or Logon Autostart Execution

1
T1547

Registry Run Keys / Startup Folder

1
T1547.001

Privilege Escalation

Create or Modify System Process

1
T1543

Windows Service

1
T1543.003

Boot or Logon Autostart Execution

1
T1547

Registry Run Keys / Startup Folder

1
T1547.001

Defense Evasion

Modify Registry

1
T1112

Credential Access

Unsecured Credentials

2
T1552

Credentials In Files

2
T1552.001

Discovery

Query Registry

2
T1012

System Information Discovery

3
T1082

Remote System Discovery

1
T1018

Lateral Movement

Collection

Data from Local System

2
T1005

Exfiltration

Command and Control

Impact

Resource Development

Reconnaissance

Tasks