Overview

overview

10

Static

static

10

B1OdUv8CBH.exe

windows7-x64

10

B1OdUv8CBH.exe

windows10-2004-x64

10

Sharing

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General

  • Target

    B1OdUv8CBH.exe

  • Size

    1.0MB

  • Sample

    240419-3rx2wsbe4x

  • MD5

    73a20ee98214059033a93ff5da62d903

  • SHA1

    a35422a4969f7d79fc9cf597cf40b7456d5b05d8

  • SHA256

    5df7cf7c7d153a0e55b0ca9299d00c26625e70cff3613540c5718fe74e4c7d12

  • SHA512

    7c3b08ebbc57467aa3615b14d7ea6f629e03e49c17d6268f62345cc58f4ca9823e45ef101c1e247db354ca944481470f94f9c226bc7774f78da9ad0185a76b47

  • SSDEEP

    1536:ZAiYlXZeFi9eKNVlb8i7ZUNQmD4O+HoddUT:anpo2Xb8C8D4OUoET

Score
10/10
xwormpersistencerattrojan

Malware Config

Extracted

Family

xworm

Attributes
  • Install_directory

    %ProgramData%

  • install_file

    svchost.exe

  • pastebin_url

    https://pastebin.com/raw/z5PQ82wE

Targets

    • Target

      B1OdUv8CBH.exe

    • Size

      1.0MB

    • MD5

      73a20ee98214059033a93ff5da62d903

    • SHA1

      a35422a4969f7d79fc9cf597cf40b7456d5b05d8

    • SHA256

      5df7cf7c7d153a0e55b0ca9299d00c26625e70cff3613540c5718fe74e4c7d12

    • SHA512

      7c3b08ebbc57467aa3615b14d7ea6f629e03e49c17d6268f62345cc58f4ca9823e45ef101c1e247db354ca944481470f94f9c226bc7774f78da9ad0185a76b47

    • SSDEEP

      1536:ZAiYlXZeFi9eKNVlb8i7ZUNQmD4O+HoddUT:anpo2Xb8C8D4OUoET

    Score
    10/10
    xwormpersistencerattrojan

    • Detect Xworm Payload

    • Xworm

      Xworm is a remote access trojan written in C#.

      trojanratxworm

    • Checks computer location settings

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

    • Drops startup file

    • Executes dropped EXE

    • 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

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

Credential Access

Discovery

Query Registry

2
T1012

System Information Discovery

2
T1082

Lateral Movement

Collection

Exfiltration

Command and Control

Web Service

1
T1102

Impact

Resource Development

Reconnaissance

Tasks