Overview

overview

10

Static

static

3

4068-b5a63e850a.exe

windows7-x64

10

4068-b5a63e850a.exe

windows10-2004-x64

10

Sharing

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General

  • Target

    4068-b5a63e850a.exe

  • Size

    1.2MB

  • Sample

    240419-11ln4shf2y

  • MD5

    342a7e60e3f8f8791b3dd9644b93dee0

  • SHA1

    121d05ca9da60a4515f46631de63c4f75dc7b3ef

  • SHA256

    c117ef22e808617d41b198ea747f076544fe76f462daed5661fb82f5e961a53a

  • SHA512

    1f41e89bc33885295b78926df1dc439cddd071568834cfa0326545eff8a77ff5fffbe44def1ae4aed85beb64a4ac367c91bacae524727f770e57eb0a81b17881

  • SSDEEP

    12288:pv0nlOSP8S/Ek52ZxaXGu16UX6wcRtTShzG9IlaNr/PC4e4vKvwCz2aaOWHdWs/+:p0kg/b5pXGWDXuOl3vbBpj/5Mm52e+

Score
10/10
xwormpersistencerattrojan

Malware Config

Extracted

Family

xworm

C2

Secretly512-24905.portmap.host:24905

Attributes
  • Install_directory

    %LocalAppData%

  • install_file

    USB.exe

Targets

    • Target

      4068-b5a63e850a.exe

    • Size

      1.2MB

    • MD5

      342a7e60e3f8f8791b3dd9644b93dee0

    • SHA1

      121d05ca9da60a4515f46631de63c4f75dc7b3ef

    • SHA256

      c117ef22e808617d41b198ea747f076544fe76f462daed5661fb82f5e961a53a

    • SHA512

      1f41e89bc33885295b78926df1dc439cddd071568834cfa0326545eff8a77ff5fffbe44def1ae4aed85beb64a4ac367c91bacae524727f770e57eb0a81b17881

    • SSDEEP

      12288:pv0nlOSP8S/Ek52ZxaXGu16UX6wcRtTShzG9IlaNr/PC4e4vKvwCz2aaOWHdWs/+:p0kg/b5pXGWDXuOl3vbBpj/5Mm52e+

    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

    • Adds Run key to start application

      persistence

    • Suspicious use of SetThreadContext

    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

1
T1012

System Information Discovery

2
T1082

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

Resource Development

Reconnaissance

Tasks