Overview

overview

10

Static

static

1

25b4135b1c...3e.vbs

windows7-x64

10

25b4135b1c...3e.vbs

windows10-2004-x64

10

Sharing

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General

  • Target

    433febbbc8e5d0eeed7b3aaa9ad15558.bin

  • Size

    4KB

  • Sample

    240325-b3sg1ace48

  • MD5

    f4fa194db60ee550290ceb7e0027b046

  • SHA1

    cb1351ce75518f8414e701bcc72cb5c92b6dd16e

  • SHA256

    70485d4f6c3c72f2cb5df9b62858652cc9e87751fed8bad111383a12e09747bf

  • SHA512

    09f591fe272eda765e4bf328f5a35d4803264cbd4fd6b8c34f2aac7c757bf8c905ca5deb29bf892d50c90d60eb3a67bf79149bfa977f8698819cd2e6e9bbeee5

  • SSDEEP

    96:mMN+FmdGZ4z+FGsZp+DPBbWiqwDBRK94NFUmBSEpsZZeEND31xJW:v+L4CFGxbpD6YFI8gzNrfs

Score
10/10
wshratpersistencetrojan

Malware Config

Extracted

Family

wshrat

C2

http://paulrdp02.duckdns.org:1604

Targets

    • Target

      25b4135b1c971889bcf7b36da063ea24025e2a67e22b3dd84ebb8f556b75823e.vbs

    • Size

      19KB

    • MD5

      433febbbc8e5d0eeed7b3aaa9ad15558

    • SHA1

      83905f45e2c6977f35e7db522052295d739fd667

    • SHA256

      25b4135b1c971889bcf7b36da063ea24025e2a67e22b3dd84ebb8f556b75823e

    • SHA512

      6cae2f6e7b86052af6f812e815128f67ce76f44e56b9bfdb5e4fa0ce2fba5610deb830334162b330e5e494bece380d1f7e053f6f89eac398d48fe49cbb3626ec

    • SSDEEP

      384:vKNssJiGagRYwZSFFOECXCghDStXdTX2XXXiXs31TNWE/cJ1:vq9agRYwZSGECXCgM7rGHqc1IE/m

    Score
    10/10
    wshratpersistencetrojan

    • 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
    behavioral1behavioral2

MITRE ATT&CK Matrix ATT&CK v13

Initial Access

Execution

Persistence

Boot or Logon Autostart Execution

1
T1547

Registry Run Keys / Startup Folder

1
T1547.001

Privilege Escalation

Boot or Logon Autostart Execution

1
T1547

Registry Run Keys / Startup Folder

1
T1547.001

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