Resubmissions

21-06-2024 17:31

240621-v3p7esydnh 10

14-06-2024 18:11

240614-wszhsa1eje 10

General

  • Target

    ab1286fa7650738e0b821bebf04ade41_JaffaCakes118

  • Size

    4.8MB

  • Sample

    240621-v3p7esydnh

  • MD5

    ab1286fa7650738e0b821bebf04ade41

  • SHA1

    3f839fa95db110d547592d1f8bd1ef359a9da4df

  • SHA256

    18f99597514fed8f0218a32736d142c5038fd9a711a47c6aceb8b8ed39eae6dc

  • SHA512

    db9a52c0634c1c32e4d2f99a75b703789e0f28de7a1095b660b03e70c780d34d96549aca51d982813fb18032b24edacb00609db3c7d1b58c09537c12b290fc3b

  • SSDEEP

    24576:Vo2Yq+JFAA6MOrm/KPO/lYq0L0YPLU8OpRZvZLbU4lL525r2zjWYu7XZTj5Ilzrb:V6fyFq7vuINqd7M99/L

Malware Config

Extracted

Family

xtremerat

C2

iaficasioo.zapto.org

Targets

    • Target

      ab1286fa7650738e0b821bebf04ade41_JaffaCakes118

    • Size

      4.8MB

    • MD5

      ab1286fa7650738e0b821bebf04ade41

    • SHA1

      3f839fa95db110d547592d1f8bd1ef359a9da4df

    • SHA256

      18f99597514fed8f0218a32736d142c5038fd9a711a47c6aceb8b8ed39eae6dc

    • SHA512

      db9a52c0634c1c32e4d2f99a75b703789e0f28de7a1095b660b03e70c780d34d96549aca51d982813fb18032b24edacb00609db3c7d1b58c09537c12b290fc3b

    • SSDEEP

      24576:Vo2Yq+JFAA6MOrm/KPO/lYq0L0YPLU8OpRZvZLbU4lL525r2zjWYu7XZTj5Ilzrb:V6fyFq7vuINqd7M99/L

    • AdWind

      A Java-based RAT family operated as malware-as-a-service.

    • Class file contains resources related to AdWind

    • Detect XtremeRAT payload

    • Lokibot

      Lokibot is a Password and CryptoCoin Wallet Stealer.

    • UAC bypass

    • XtremeRAT

      The XtremeRAT was developed by xtremecoder and has been available since at least 2010, and written in Delphi.

    • Boot or Logon Autostart Execution: Active Setup

      Adversaries may achieve persistence by adding a Registry key to the Active Setup of the local machine.

    • Disables Task Manager via registry modification

    • Disables use of System Restore points

    • Event Triggered Execution: Image File Execution Options Injection

    • Checks computer location settings

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

    • Executes dropped EXE

    • Loads dropped DLL

    • Modifies file permissions

    • Reads user/profile data of web browsers

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

    • UPX packed file

      Detects executables packed with UPX/modified UPX open source packer.

    • Accesses Microsoft Outlook profiles

    • Adds Run key to start application

    • Legitimate hosting services abused for malware hosting/C2

    • Drops file in System32 directory

    • Suspicious use of SetThreadContext

MITRE ATT&CK Matrix ATT&CK v13

Persistence

Boot or Logon Autostart Execution

2
T1547

Registry Run Keys / Startup Folder

1
T1547.001

Active Setup

1
T1547.014

Event Triggered Execution

1
T1546

Image File Execution Options Injection

1
T1546.012

Privilege Escalation

Abuse Elevation Control Mechanism

1
T1548

Bypass User Account Control

1
T1548.002

Boot or Logon Autostart Execution

2
T1547

Registry Run Keys / Startup Folder

1
T1547.001

Active Setup

1
T1547.014

Event Triggered Execution

1
T1546

Image File Execution Options Injection

1
T1546.012

Defense Evasion

Abuse Elevation Control Mechanism

1
T1548

Bypass User Account Control

1
T1548.002

Impair Defenses

1
T1562

Disable or Modify Tools

1
T1562.001

Modify Registry

4
T1112

File and Directory Permissions Modification

1
T1222

Hide Artifacts

1
T1564

Hidden Files and Directories

1
T1564.001

Credential Access

Unsecured Credentials

1
T1552

Credentials In Files

1
T1552.001

Discovery

Query Registry

2
T1012

System Information Discovery

3
T1082

Collection

Data from Local System

1
T1005

Email Collection

1
T1114

Command and Control

Web Service

1
T1102

Impact

Inhibit System Recovery

1
T1490

Tasks