Overview

overview

10

Static

static

3

tt.exe

windows10-2004-x64

10

Sharing

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General

  • Target

    tt.exe

  • Size

    580KB

  • Sample

    240525-12grjscb5z

  • MD5

    2e7532cdc61138393bae66c151b7d6da

  • SHA1

    f14d7efb1cdc79c7de7f1e1fee6f142ca5025372

  • SHA256

    784b0c7ff69ad51139cf4eab636eeb2b1f1473fa0a65b33769001c4ef2c82cfa

  • SHA512

    560e31dad4b36d5a21491ca9bc2b1a951ffccdf6f4ee60f45e1c87119e66e074633ad7e35cf387238762c0b6deea6afba977f382a0487876a47dcd9ff21f3e69

  • SSDEEP

    12288:MIHKg1YeCE3LMjed9fXOZKQkU4yv7sRaAODHVrB/lDH8:Mi1YeCFjed9fOZqtyvHAODdB9DH

Score
10/10
xwormbootkitpersistencerattrojan

Malware Config

Extracted

Family

xworm

C2

wiz.bounceme.net:6000

Mutex

سPيIXNtJمrCWpكxـاطMWEلD21LcبإA

Attributes
  • Install_directory

    %Port%

  • install_file

    USB.exe

aes.plain
aes.plain

Targets

    • Target

      tt.exe

    • Size

      580KB

    • MD5

      2e7532cdc61138393bae66c151b7d6da

    • SHA1

      f14d7efb1cdc79c7de7f1e1fee6f142ca5025372

    • SHA256

      784b0c7ff69ad51139cf4eab636eeb2b1f1473fa0a65b33769001c4ef2c82cfa

    • SHA512

      560e31dad4b36d5a21491ca9bc2b1a951ffccdf6f4ee60f45e1c87119e66e074633ad7e35cf387238762c0b6deea6afba977f382a0487876a47dcd9ff21f3e69

    • SSDEEP

      12288:MIHKg1YeCE3LMjed9fXOZKQkU4yv7sRaAODHVrB/lDH8:Mi1YeCFjed9fOZqtyvHAODdB9DH

    Score
    10/10
    xwormbootkitpersistencerattrojan

    • Detect Xworm Payload

    • Suspicious use of NtCreateProcessExOtherParentProcess

    • Suspicious use of NtCreateUserProcessOtherParentProcess

    • Xworm

      Xworm is a remote access trojan written in C#.

      trojanratxworm

    • Sets service image path in registry

      persistence

    • Checks computer location settings

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

    • Executes dropped EXE

    • Enumerates connected drives

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

    • Writes to the Master Boot Record (MBR)

      Bootkits write to the MBR to gain persistence at a level below the operating system.

      bootkitpersistence

    • Drops file in System32 directory

    behavioral1

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

Pre-OS Boot

1
T1542

Bootkit

1
T1542.003

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

Pre-OS Boot

1
T1542

Bootkit

1
T1542.003

Credential Access

Discovery

Query Registry

6
T1012

System Information Discovery

6
T1082

Peripheral Device Discovery

2
T1120

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

Resource Development

Reconnaissance

Tasks