Overview

overview

10

Static

static

3

32a333bb3c...c6.exe

windows7-x64

10

32a333bb3c...c6.exe

windows10-2004-x64

10

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General

  • Target

    32a333bb3c7ae28e1b197f94a4b16cc6f708b84e165ae55c3a109b57a3ed11c6.exe

  • Size

    824KB

  • Sample

    240615-brlkbatglb

  • MD5

    4ab6e6b7f12cdc6be0aac6c4c867734a

  • SHA1

    ffd5936fd106f37509e92bd2f0b8b7cd79252772

  • SHA256

    32a333bb3c7ae28e1b197f94a4b16cc6f708b84e165ae55c3a109b57a3ed11c6

  • SHA512

    55190d1c64154a37c82ed61d9b07599dc783a923b7c37d2420c41f5e7d2792748e8f0216105f17ac6dee74d463493b0322649a55f46cf367fd559534464a7946

  • SSDEEP

    12288:35PD0rEQ+UVw+nl/7teXfzAZ5tM5ps3CHTyvRD6itpwC9qYNOePAJuQqJSP2ZczB:3570gQ+sRl/Rm8mp9zil4BP2Zc

Score
10/10
xwormexecutionpersistenceratspywarestealertrojanupx

Malware Config

Extracted

Family

xworm

C2

inn-ht.gl.at.ply.gg:60031

Attributes
  • Install_directory

    %AppData%

  • install_file

    svchost.exe

Targets

    • Target

      32a333bb3c7ae28e1b197f94a4b16cc6f708b84e165ae55c3a109b57a3ed11c6.exe

    • Size

      824KB

    • MD5

      4ab6e6b7f12cdc6be0aac6c4c867734a

    • SHA1

      ffd5936fd106f37509e92bd2f0b8b7cd79252772

    • SHA256

      32a333bb3c7ae28e1b197f94a4b16cc6f708b84e165ae55c3a109b57a3ed11c6

    • SHA512

      55190d1c64154a37c82ed61d9b07599dc783a923b7c37d2420c41f5e7d2792748e8f0216105f17ac6dee74d463493b0322649a55f46cf367fd559534464a7946

    • SSDEEP

      12288:35PD0rEQ+UVw+nl/7teXfzAZ5tM5ps3CHTyvRD6itpwC9qYNOePAJuQqJSP2ZczB:3570gQ+sRl/Rm8mp9zil4BP2Zc

    Score
    10/10
    xwormexecutionpersistencerattrojanspywarestealerupx

    • Detect Xworm Payload

    • Xworm

      Xworm is a remote access trojan written in C#.

      trojanratxworm

    • Detects Windows executables referencing non-Windows User-Agents

    • Command and Scripting Interpreter: PowerShell

      Run Powershell to modify Windows Defender settings to add exclusions for file extensions, paths, and processes.

      execution

    • Drops file in Drivers directory

    • Checks computer location settings

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

    • Drops startup file

    • 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

    • UPX packed file

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

      upx

    • 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

Command and Scripting Interpreter

1
T1059

PowerShell

1
T1059.001

Scheduled Task/Job

1
T1053

Persistence

Boot or Logon Autostart Execution

1
T1547

Registry Run Keys / Startup Folder

1
T1547.001

Scheduled Task/Job

1
T1053

Privilege Escalation

Boot or Logon Autostart Execution

1
T1547

Registry Run Keys / Startup Folder

1
T1547.001

Scheduled Task/Job

1
T1053

Defense Evasion

Modify Registry

1
T1112

Hide Artifacts

1
T1564

Hidden Files and Directories

1
T1564.001

Credential Access

Unsecured Credentials

2
T1552

Credentials In Files

2
T1552.001

Discovery

Query Registry

2
T1012

System Information Discovery

4
T1082

Process Discovery

1
T1057

Lateral Movement

Collection

Data from Local System

2
T1005

Exfiltration

Command and Control

Web Service

1
T1102

Impact

Resource Development

Reconnaissance

Tasks