Overview

overview

10

Static

static

3

NewProject1.exe

windows7-x64

10

NewProject1.exe

windows10-2004-x64

10

Sharing

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General

  • Target

    NewProject1.exe

  • Size

    4.9MB

  • Sample

    240522-wcq7gaah52

  • MD5

    eace0ed3521967a36f02f3408a76689d

  • SHA1

    54210340f93b45b7bd0eff93da29151a5e846174

  • SHA256

    a2d773d335de672b8b525f26483081ef86bdfbb524afdf3dab5922e66d864e96

  • SHA512

    9646a69340e263150fc05519576fdc4d07ef51cf05f974dfd4f94b866e896255ee469207b6181b976d253a2497a753439c1ec639897dbe7c0fb89674eaba6448

  • SSDEEP

    98304:w409oEFvy98NF/4uhbfc7DdGnTYrhMiAV4i2BWWH:i/FayNFQKU7qstyKnJ

Score
10/10
44caliberpersistencespywarestealer

Malware Config

Extracted

Family

44caliber

C2

https://discord.com/api/webhooks/1237112288494747648/RwLhzmD0ehxDiBdZsbgoSXVKoOkldpfaRP7ikjkQV9Ya8EVVXay-1UF3yarrrtlSnrpv

Targets

    • Target

      NewProject1.exe

    • Size

      4.9MB

    • MD5

      eace0ed3521967a36f02f3408a76689d

    • SHA1

      54210340f93b45b7bd0eff93da29151a5e846174

    • SHA256

      a2d773d335de672b8b525f26483081ef86bdfbb524afdf3dab5922e66d864e96

    • SHA512

      9646a69340e263150fc05519576fdc4d07ef51cf05f974dfd4f94b866e896255ee469207b6181b976d253a2497a753439c1ec639897dbe7c0fb89674eaba6448

    • SSDEEP

      98304:w409oEFvy98NF/4uhbfc7DdGnTYrhMiAV4i2BWWH:i/FayNFQKU7qstyKnJ

    Score
    10/10
    44caliberspywarestealerpersistence

    • 44Caliber

      An open source infostealer written in C#.

      stealer44caliber

    • Modifies WinLogon for persistence

      persistence

    • Downloads MZ/PE file

    • Modifies AppInit DLL entries

      persistence

    • 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.

      spywarestealer

    • Accesses cryptocurrency files/wallets, possible credential harvesting

      spyware

    • Adds Run key to start application

      persistence

    • 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.

    behavioral1behavioral2

MITRE ATT&CK Matrix ATT&CK v13

Initial Access

Execution

Scheduled Task/Job

1
T1053

Persistence

Boot or Logon Autostart Execution

3
T1547

Registry Run Keys / Startup Folder

2
T1547.001

Winlogon Helper DLL

1
T1547.004

Scheduled Task/Job

1
T1053

Privilege Escalation

Boot or Logon Autostart Execution

3
T1547

Registry Run Keys / Startup Folder

2
T1547.001

Winlogon Helper DLL

1
T1547.004

Scheduled Task/Job

1
T1053

Defense Evasion

Modify Registry

4
T1112

Subvert Trust Controls

1
T1553

Install Root Certificate

1
T1553.004

Credential Access

Unsecured Credentials

2
T1552

Credentials In Files

2
T1552.001

Discovery

Query Registry

2
T1012

System Information Discovery

2
T1082

Lateral Movement

Collection

Data from Local System

2
T1005

Exfiltration

Command and Control

Web Service

1
T1102

Impact

Resource Development

Reconnaissance

Tasks