Overview

overview

10

Static

static

107.172.76...6a.rtf

windows7_x64

10

107.172.76...6a.rtf

windows10-2004_x64

1

Sharing

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General

  • Target

    107.172.76.188_-_y_-_invoice_009.doc___2cbbbd94f2f1e7f68053ab93a418f86a.dat

  • Size

    26KB

  • Sample

    220628-hwk8nshfa5

  • MD5

    2cbbbd94f2f1e7f68053ab93a418f86a

  • SHA1

    f32aa57b0d5e8a7435552e4323c8ffbce605f9f0

  • SHA256

    8b5ac7f6a15aea59562e54f35ca8a614909fb2503817ac697ef6db08ec605630

  • SHA512

    63cf8891bee22ff48c9a822b9dcc9bc326a225e24616bf1b394f7682ab0b99d1561828ff6062ab6d3fe772801cbeda970c1237b7e5f31b586cb96982871e20c8

Score
10/10
xloadernn40loaderratsuricata

Malware Config

Extracted

Family

xloader

Version

2.8

Campaign

nn40

Decoy

LYAg0yANOGEAGeaFOrA/

MQWuERZplP+VZy/uszI=

CF0oDN0JimIaGy/uszI=

ltJnyC+ReohYaiTvj1qbEA==

B9OkgdctVKBAFjSUaw==

sbDVwSZVVqVB11/deow8GA==

v1gHDe0pzno=

i+/0n2vHUfGPR98k77tukZ90MQ==

SUtCnbS96Qm21g==

8X9qzyt1dpAo31jXrXfKb49fBPY=

5KlPxqHzSstuFjSUaw==

0r/Kesv/zuanroxvNQW0Gm8=

FFgS7kfPYAqpdhhgRgnBJHY=

LgusAHrkrIoWr0FWIe2o/04UXPw=

vBq9Gvxa9wbKbS/uszI=

Z+q6HAZNNeqwwQ==

wbS4fMb06SjU5Kbseow8GA==

1mZEuZvJ/m0L9bof56PkkZ90MQ==

JCJIM74lHk/o+tiFOrA/

d14FrM8rGEgIzVkT67+3XaEh

Targets

    • Target

      107.172.76.188_-_y_-_invoice_009.doc___2cbbbd94f2f1e7f68053ab93a418f86a.dat

    • Size

      26KB

    • MD5

      2cbbbd94f2f1e7f68053ab93a418f86a

    • SHA1

      f32aa57b0d5e8a7435552e4323c8ffbce605f9f0

    • SHA256

      8b5ac7f6a15aea59562e54f35ca8a614909fb2503817ac697ef6db08ec605630

    • SHA512

      63cf8891bee22ff48c9a822b9dcc9bc326a225e24616bf1b394f7682ab0b99d1561828ff6062ab6d3fe772801cbeda970c1237b7e5f31b586cb96982871e20c8

    Score
    10/10
    xloadernn40loaderratsuricata

    • 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

    • suricata: ET MALWARE Terse alphanumeric executable downloader high likelihood of being hostile

      suricata: ET MALWARE Terse alphanumeric executable downloader high likelihood of being hostile

      suricata

    • Xloader Payload

      rat

    • Blocklisted process makes network request

    • Downloads MZ/PE file

    • Executes dropped EXE

    • Checks computer location settings

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

    • Loads dropped DLL

    • Uses the VBS compiler for execution

    • Suspicious use of SetThreadContext

    behavioral1behavioral2

MITRE ATT&CK Matrix ATT&CK v6

Initial Access

Execution

Scripting

1
T1064

Exploitation for Client Execution

1
T1203

Persistence

Privilege Escalation

Defense Evasion

Scripting

1
T1064

Modify Registry

1
T1112

Credential Access

Discovery

Query Registry

3
T1012

System Information Discovery

3
T1082

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

Tasks