Overview

overview

10

Static

static

10

Purchase_order.docx

windows7_x64

10

Purchase_order.docx

windows10-2004_x64

1

Sharing

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General

  • Target

    Purchase_order.docx

  • Size

    10KB

  • Sample

    220713-lv22kscffq

  • MD5

    3083d2eaf85e76380da9c9b0509f163d

  • SHA1

    62c8d8d9af1901d41b7562bc5adc4edd2b1c3cf0

  • SHA256

    85847874aea834ab30ef9519bb57416585e6caadf49ce78051092948c29626e4

  • SHA512

    4ddfc682b43361ea7d1c167519947e3a209c6a89b8f42028df3e593b5c305d11427f1bf92ece7bb1f0729537a90103a72702c049df1ace6e340d67e5b2da66bf

Score
10/10
xloaderv4qploaderpersistenceratsuricatawebsettings

Malware Config

Extracted

Rule
Microsoft Office WebSettings Relationship
C2

https://9link.net/mnKtu

Extracted

Family

xloader

Version

2.9

Campaign

v4qp

Decoy

je1XQKU1LfJPVLk=

nvf41a7FsTLs6uB/g+CR

U7mryF6DctZn6GEjr9Bm4g==

1SONGrPdh7wGEOXp3g==

2xX859r7qOFq7GYkr9Bm4g==

IYtzVUx0Oo0HmZawLQAARDvBf4dL

NH3iuBPNSzZTvpw/4KaG

rDehfiqIPbdMBS8G1g==

xhb2uJ0eBwo7k3djqxh60xoNt4VoeQ==

AFtKux3JgPGRkx3xUsciR6piSg==

m+3VoJadWcBvOAPpzKUNPoAxyplS

1DWKULdka3mxIKhEqGxQr7gxyplS

DGlFGBqWi5CtrCX9alyTuPzq

muvVM4slyTfxORwAZisVksCM78aSEVo=

D3biNgUbyg9E5pl+

/+1QLPssvl/Xxg==

I4lzTjaAcc1iBS8G1g==

wSwc4MmbShojhlZCrniTuPzq

jN5YO6ZXSfJPVLk=

4TUS4+ANuqHCRTM9sniTuPzq

Targets

    • Target

      Purchase_order.docx

    • Size

      10KB

    • MD5

      3083d2eaf85e76380da9c9b0509f163d

    • SHA1

      62c8d8d9af1901d41b7562bc5adc4edd2b1c3cf0

    • SHA256

      85847874aea834ab30ef9519bb57416585e6caadf49ce78051092948c29626e4

    • SHA512

      4ddfc682b43361ea7d1c167519947e3a209c6a89b8f42028df3e593b5c305d11427f1bf92ece7bb1f0729537a90103a72702c049df1ace6e340d67e5b2da66bf

    Score
    10/10
    xloaderv4qploaderpersistenceratsuricata

    • Xloader

      Xloader is a rebranded version of Formbook malware.

      loaderxloader

    • suricata: ET MALWARE FormBook CnC Checkin (GET)

      suricata: ET MALWARE FormBook CnC Checkin (GET)

      suricata

    • Xloader payload

      rat

    • Adds policy Run key to start application

      persistence

    • Blocklisted process makes network request

    • Downloads MZ/PE file

    • Executes dropped EXE

    • Abuses OpenXML format to download file from external location

    • Checks computer location settings

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

    • Loads dropped DLL

    • Suspicious use of SetThreadContext

    behavioral1behavioral2

MITRE ATT&CK Matrix ATT&CK v6

Initial Access

Execution

Exploitation for Client Execution

1
T1203

Persistence

Registry Run Keys / Startup Folder

1
T1060

Privilege Escalation

Defense Evasion

Modify Registry

2
T1112

Credential Access

Discovery

Query Registry

3
T1012

System Information Discovery

3
T1082

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

Tasks