Overview

overview

10

Static

static

1

Tax Return...765.js

windows10-2004-x64

10

Resubmissions

Sharing

Copy URL
Twitter E-mail

General

  • Target

    Tax Returns of R48_765.js.zip

  • Size

    212KB

  • Sample

    240524-llrjgscg98

  • MD5

    a41220790b353a099b9f4ad4597ada6c

  • SHA1

    9d1ef48e97632be1a86425846195308dae8449c7

  • SHA256

    711cde8967739737b59a8ea4a2f3105611b27ea839e7289baedd7840059d4797

  • SHA512

    61dd43dbb3e5bf3f5a5c6764b3400c96963dc32c24a6e320fd8b9e1965e46b66c223d9887e529ab12983d97bd183835afa09b477f592feffcfaaddd0efef9dc5

  • SSDEEP

    6144:aeXv98Pk1CR272j/uuDwLT6D4tjv8nj/XUWBKnWNHz:Nv98PkcbOH6UB8zKnUT

Score
10/10
wshratexecutiontrojan

Malware Config

Extracted

Family

wshrat

C2

http://harold.2waky.com:3609

Targets

    • Target

      Tax Returns of R48_765.js

    • Size

      957KB

    • MD5

      0f597e6821a29bc87b36222f08eff311

    • SHA1

      e7f24cd04de9b92c013d71d3de526461cfb33c91

    • SHA256

      df018cc7e708b47edfe4f39769058ce0ba10a65fe653d3a32412dd504d3f2028

    • SHA512

      693ed1331f7f048789c11bc661949519149c43e3a76b3b600a1990f74763500a6b4a5efb532921bcdb58b27f3a136af9ba63e2e1dce4094fe078076d0073f1a7

    • SSDEEP

      6144:QQ5C90ha3hcY0c5OyZD5i8frkU+uKCbbBGZs3xh527wIy+6Y16vLKdYoiAL1Xl4R:TKF

    Score
    10/10
    wshratexecutiontrojan

    • 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

    • Looks up external IP address via web service

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

    behavioral1

MITRE ATT&CK Matrix ATT&CK v13

Initial Access

Execution

Command and Scripting Interpreter

1
T1059

JavaScript

1
T1059.007

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

Query Registry

2
T1012

System Information Discovery

3
T1082

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

Resource Development

Reconnaissance

Tasks