Overview

overview

10

Static

static

Enquiry..xlsx

windows7_x64

10

Enquiry..xlsx

windows10-2004_x64

1

Sharing

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General

  • Target

    Enquiry..xlsx

  • Size

    80KB

  • Sample

    220621-pea5psddcm

  • MD5

    6eb7cdf78741a76e34fc2a28f6f85653

  • SHA1

    ec7982080385abbc4ff6f4cf13ea1282af241ae2

  • SHA256

    82d4a5db7563c67d43eab4e320daf91465ecc5080747a98850059bca5e45aec5

  • SHA512

    b695c95d95c4146354d329b5043332a200e4cbd3c1b95eded0165f6ad3532b771f01ccc3b265c546d06f8f024305bb3fda232ae9b0593facfb08467f14d1313d

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

      Enquiry..xlsx

    • Size

      80KB

    • MD5

      6eb7cdf78741a76e34fc2a28f6f85653

    • SHA1

      ec7982080385abbc4ff6f4cf13ea1282af241ae2

    • SHA256

      82d4a5db7563c67d43eab4e320daf91465ecc5080747a98850059bca5e45aec5

    • SHA512

      b695c95d95c4146354d329b5043332a200e4cbd3c1b95eded0165f6ad3532b771f01ccc3b265c546d06f8f024305bb3fda232ae9b0593facfb08467f14d1313d

    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