Overview

overview

10

Static

static

3

0b80872ae8...53.exe

windows7-x64

10

0b80872ae8...53.exe

windows10-2004-x64

10

Sharing

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General

  • Target

    0b80872ae84d5a7de900b51596d85e09361774ae22cd577ec4898b4350737a53.exe

  • Size

    13.0MB

  • Sample

    240701-bc3kaa1ejb

  • MD5

    5038e381411591332b285c540d4b6bef

  • SHA1

    4af0f013e8652e3d03c296a59c67c70508e39612

  • SHA256

    0b80872ae84d5a7de900b51596d85e09361774ae22cd577ec4898b4350737a53

  • SHA512

    3055db5a385b9e27cd6e7718a45bf1695ac0d9d798f7089276baf0542227768d5b1d6eb72ddb493a27b346af77c0d40a6a4474beddf77c24eed7b9cf3b06769b

  • SSDEEP

    393216:064QwP3EQ5H+i4IDzQTj4pUbZFdoPgY2:0647P3J5eRInQT0pkFmP2

Score
10/10
dcratxwormexecutioninfostealerpersistencerattrojanupx

Malware Config

Extracted

Family

xworm

C2

147.185.221.17:14348

147.185.221.17:14348:14348
Attributes
  • Install_directory

    %AppData%

  • install_file

    sgredgkrtf09weut3r435.exe

  • telegram

    https://api.telegram.org/bot7150716400:AAE41jshl4_joK29lZ3HuflfsurF6ZZKlDg/sendMessage?chat_id=5187782651

Targets

    • Target

      0b80872ae84d5a7de900b51596d85e09361774ae22cd577ec4898b4350737a53.exe

    • Size

      13.0MB

    • MD5

      5038e381411591332b285c540d4b6bef

    • SHA1

      4af0f013e8652e3d03c296a59c67c70508e39612

    • SHA256

      0b80872ae84d5a7de900b51596d85e09361774ae22cd577ec4898b4350737a53

    • SHA512

      3055db5a385b9e27cd6e7718a45bf1695ac0d9d798f7089276baf0542227768d5b1d6eb72ddb493a27b346af77c0d40a6a4474beddf77c24eed7b9cf3b06769b

    • SSDEEP

      393216:064QwP3EQ5H+i4IDzQTj4pUbZFdoPgY2:0647P3J5eRInQT0pkFmP2

    Score
    10/10
    dcratxwormexecutioninfostealerpersistencerattrojanupx

    • DcRat

      DarkCrystal(DC) is a new .NET RAT active since June 2019 capable of loading additional plugins.

      ratinfostealerdcrat

    • Detect Xworm Payload

    • Modifies WinLogon for persistence

      persistence

    • Process spawned unexpected child process

      This typically indicates the parent process was compromised via an exploit or macro.

    • Xworm

      Xworm is a remote access trojan written in C#.

      trojanratxworm

    • DCRat payload

      Detects payload of DCRat, commonly dropped by NSIS installers.

      rat

    • Command and Scripting Interpreter: PowerShell

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

      execution

    • Checks computer location settings

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

    • Drops startup file

    • Executes dropped EXE

    • Loads dropped DLL

    • UPX packed file

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

      upx

    • Adds Run key to start application

      persistence

    • Enumerates connected drives

      Attempts to read the root path of hard drives other than the default C: drive.

    • Looks up external IP address via web service

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

    • Drops file in System32 directory

    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

Scheduled Task

1
T1053.005

Persistence

Boot or Logon Autostart Execution

2
T1547

Registry Run Keys / Startup Folder

1
T1547.001

Winlogon Helper DLL

1
T1547.004

Scheduled Task/Job

1
T1053

Scheduled Task

1
T1053.005

Privilege Escalation

Boot or Logon Autostart Execution

2
T1547

Registry Run Keys / Startup Folder

1
T1547.001

Winlogon Helper DLL

1
T1547.004

Scheduled Task/Job

1
T1053

Scheduled Task

1
T1053.005

Defense Evasion

Modify Registry

2
T1112

Credential Access

Discovery

Query Registry

3
T1012

System Information Discovery

5
T1082

Peripheral Device Discovery

1
T1120

Process Discovery

1
T1057

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

Resource Development

Reconnaissance

Tasks