Overview

overview

10

Static

static

YR6583.js

windows7_x64

10

YR6583.js

windows10-2004_x64

10

Sharing

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General

  • Target

    YR6583.js

  • Size

    13KB

  • Sample

    220206-j8fpdsggc9

  • MD5

    c692ea8fe02da8778e48dc68498f34e3

  • SHA1

    6417731002149559480b25d1d79e9709f804a0e3

  • SHA256

    03d52abfd15cbb32ef73e80419d8653e104d11aeab19f3df157ccf532fe8476e

  • SHA512

    b25cb1f25616256e602a54ed677ee704f21b557f0a56326ec30556c4f2ab8980a07bf5b80f10d9073315316d3b05a1ffa41e1eceb44c44ac266718a09e631f7c

Score
10/10
vjw0rmpersistencetrojanworm

Malware Config

Extracted

Family

vjw0rm

C2

http://joshdh.duckdns.org:6583

Targets

    • Target

      YR6583.js

    • Size

      13KB

    • MD5

      c692ea8fe02da8778e48dc68498f34e3

    • SHA1

      6417731002149559480b25d1d79e9709f804a0e3

    • SHA256

      03d52abfd15cbb32ef73e80419d8653e104d11aeab19f3df157ccf532fe8476e

    • SHA512

      b25cb1f25616256e602a54ed677ee704f21b557f0a56326ec30556c4f2ab8980a07bf5b80f10d9073315316d3b05a1ffa41e1eceb44c44ac266718a09e631f7c

    Score
    10/10
    vjw0rmpersistencetrojanworm

    • Vjw0rm

      Vjw0rm is a remote access trojan written in JavaScript.

      trojanwormvjw0rm

    • Blocklisted process makes network request

    • Checks computer location settings

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

    • Drops startup file

    • Adds Run key to start application

      persistence
    behavioral1behavioral2

MITRE ATT&CK Matrix ATT&CK v6

Initial Access

Execution

Scheduled Task

1
T1053

Persistence

Registry Run Keys / Startup Folder

1
T1060

Scheduled Task

1
T1053

Privilege Escalation

Scheduled Task

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

Tasks