Overview

overview

10

Static

static

1

3beb5d47b8...6bb.js

windows7-x64

10

3beb5d47b8...6bb.js

windows10-2004-x64

10

Sharing

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General

  • Target

    42a42d7b66691e3fff3e691d70703ce5.bin

  • Size

    732KB

  • Sample

    230411-bdbsysbb6w

  • MD5

    df79efd702c3f5a80395433ca4673790

  • SHA1

    568d49eef812a442f41351bb852081523158263a

  • SHA256

    3c286cb424581637fb85ea9fe88579e0b34421cd4c463183e500df3c29135a3f

  • SHA512

    61a073b86a27fb27ea3b0195845b87a9b0b9cfdfdbaf9bb9724bf77fbbb58ea77e12985a71878c293b443a92138f29d738f021fb2c930ff9e940743c2f78f957

  • SSDEEP

    12288:hzWcTswBWgflBpbcjP3LXkkkUzrZ6lE5QWPzkw/YTkuhMCgnZAhe1E4kSgWpqS:h4w9flBpIbbkk/zV6lWQWPzbATACs+SR

Score
10/10
vjw0rmwshratpersistencetrojanworm

Malware Config

Extracted

Family

wshrat

C2

http://graceland.dns05.com:2048

Targets

    • Target

      3beb5d47b8a2cf4b5dc8f442445fae8c26898add6427ea86c27c3af2797356bb.js

    • Size

      2.7MB

    • MD5

      42a42d7b66691e3fff3e691d70703ce5

    • SHA1

      9e57f573570d068b964c84b5d7cdbf1fb010e3d9

    • SHA256

      3beb5d47b8a2cf4b5dc8f442445fae8c26898add6427ea86c27c3af2797356bb

    • SHA512

      bd6691d8853434c30b6e6716d5d2d3bca316bc9ea0b4defface0fd4aaa6fd2bf517db1a53f84ea98d9e16510f27410764adca13a70ba1f0d4707147683949d7d

    • SSDEEP

      24576:ydSySTD8C4AeGIfkZP5Xog8NWtQVNmxE/imwx+pBUqyO57ZPUm:nnuLh

    Score
    10/10
    vjw0rmwshratpersistencetrojanworm

    • Vjw0rm

      Vjw0rm is a remote access trojan written in JavaScript.

      trojanwormvjw0rm

    • WSHRAT

      WSHRAT is a variant of Houdini worm and has vbs and js variants.

      trojanwshrat

    • 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

    • 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 v6

Initial Access

Execution

Persistence

Registry Run Keys / Startup Folder

1
T1060

Privilege Escalation

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