Overview

overview

10

Static

static

tis.xlsx

windows7_x64

10

tis.xlsx

windows10-2004_x64

1

Sharing

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General

  • Target

    tis.xlsx

  • Size

    163KB

  • Sample

    220629-jq1a3shed7

  • MD5

    bfcb1b708667f051f3827417b0afd50c

  • SHA1

    95d69c432c2bc4bfa9e3bb5606343e6bc20bb8a3

  • SHA256

    41fa0a80e6b5b99e53343793ea3f8f1b2818d7012c7e82f71bad7b3f46fd632c

  • SHA512

    804b3fb392117f68b5a2b39c95ca1abe79d70c60c42400cf810253c7de5d112d1446c5906da3bb39835aa6d006b97ac768ef3f825d40edba03e60143552deeeb

Score
10/10
xloadernn40loaderratspywarestealersuricata

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

      tis.xlsx

    • Size

      163KB

    • MD5

      bfcb1b708667f051f3827417b0afd50c

    • SHA1

      95d69c432c2bc4bfa9e3bb5606343e6bc20bb8a3

    • SHA256

      41fa0a80e6b5b99e53343793ea3f8f1b2818d7012c7e82f71bad7b3f46fd632c

    • SHA512

      804b3fb392117f68b5a2b39c95ca1abe79d70c60c42400cf810253c7de5d112d1446c5906da3bb39835aa6d006b97ac768ef3f825d40edba03e60143552deeeb

    Score
    10/10
    xloadernn40loaderratspywarestealersuricata

    • 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

    • Reads user/profile data of web browsers

      Infostealers often target stored browser data, which can include saved credentials etc.

      spywarestealer

    • 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

Credentials in Files

1
T1081

Discovery

Query Registry

3
T1012

System Information Discovery

3
T1082

Lateral Movement

Collection

Data from Local System

1
T1005

Exfiltration

Command and Control

Impact

Tasks