Overview

overview

10

Static

static

10

00912938pdf.js

windows7-x64

10

00912938pdf.js

windows10-2004-x64

10

Sharing

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General

  • Target

    00912938pdf.js

  • Size

    187KB

  • Sample

    230522-wysbnabh53

  • MD5

    36c7ea69a51fdcb7eb3b66eafbbcf516

  • SHA1

    8a81452869a67d8abfe5f2165b3475286274139e

  • SHA256

    5684eaf9be940a6d7c5a559182c8d54b46151de46c72b60bf1c1112e2aeb9e4b

  • SHA512

    2c99f20c1b4c2796501c03ea78d6704efab1fda7e4356d35797e1ac853dd7b0cff6378d6af5250f65daa855bb46591d5902b6cab3332501c24faba018c7ac4f3

  • SSDEEP

    3072:nrVZAmAl1luVkQS7bURCwbIpklgVDSxGfmuZrvEzs8ZPr+eGK/68Q0bamqg:rVZAmAl1luVkQS8RCuAklgF2GuuZTXe7

Score
10/10
wshratpersistencetrojan

Malware Config

Targets

    • Target

      00912938pdf.js

    • Size

      187KB

    • MD5

      36c7ea69a51fdcb7eb3b66eafbbcf516

    • SHA1

      8a81452869a67d8abfe5f2165b3475286274139e

    • SHA256

      5684eaf9be940a6d7c5a559182c8d54b46151de46c72b60bf1c1112e2aeb9e4b

    • SHA512

      2c99f20c1b4c2796501c03ea78d6704efab1fda7e4356d35797e1ac853dd7b0cff6378d6af5250f65daa855bb46591d5902b6cab3332501c24faba018c7ac4f3

    • SSDEEP

      3072:nrVZAmAl1luVkQS7bURCwbIpklgVDSxGfmuZrvEzs8ZPr+eGK/68Q0bamqg:rVZAmAl1luVkQS8RCuAklgF2GuuZTXe7

    Score
    10/10
    wshratpersistencetrojan

    • WSHRAT

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

      trojanwshrat

    • WSHRAT payload

    • Blocklisted process makes network request

    • 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

System Information Discovery

1
T1082

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

Tasks