Overview

overview

10

Static

static

STD 35 GA ...CX.exe

windows7_x64

10

STD 35 GA ...CX.exe

windows10-2004_x64

10

Sharing

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General

  • Target

    STD 35 GA Plan_DOCX.exe

  • Size

    681KB

  • Sample

    220707-ef76qaehc6

  • MD5

    1cb1b73c99d72a4d1dcc09858ad1cee5

  • SHA1

    76a12baf54b1f66fbccc3728d3e1fc1ca663c6ee

  • SHA256

    ef5551b32efae3527d147f40eaac18ab0213b7382d5d54bc67fd1c9911007480

  • SHA512

    1206dc9ff04af0d47b96a9e7598fa72626f4d56d0f515ce77ab5d0239a5fa9a1f2d67ba72f0354ed77736078cf466814f7ab5b9497d31a0ef7213cec4e332682

Score
10/10
formbookxloaderiewbloaderpersistenceratspywarestealersuricatatrojan

Malware Config

Extracted

Family

xloader

Version

2.9

Campaign

iewb

Decoy

n8FLlgIlb1rSEg5hJ9xMbw4hcmR38Q==

5vIAIY+pt81OtWs+FdIEdk7Y

LHIKc+oWGIQUUlfAAtEEdk7Y

ePM/cX2jvHrS

5hvPEw22+fdvmJz3C8FIVq0=

mb9EeX2jvHrS

Dx2zIYNvfjo8VUo5

6jVPnyJekv2RAc4gLKNwEqQ=

KWatHyjdE5Gj1Ng=

t9lk70gzUAZty4qjbVjF

6eUBeFPzKBWT125BFNIEdk7Y

dZUXOIyqTJGj1Ng=

iL3TVh2Jl5QVStnzxcAhIL8=

J1prtyklUfZGR/xDD71IbkWRd2yx

s9FgCOBRW9bU0Y6jbVjF

RYCbQDzcFBhcylgu

Fl0BV/8RJm6F9QRg8LXXTLo=

0dhumHzrCCZ3wdQg7nFF1AlL6Tk=

xvL+iL6wwX+/wH9K4lbZ/A==

N0lVceIFD5Gj1Ng=

Targets

    • Target

      STD 35 GA Plan_DOCX.exe

    • Size

      681KB

    • MD5

      1cb1b73c99d72a4d1dcc09858ad1cee5

    • SHA1

      76a12baf54b1f66fbccc3728d3e1fc1ca663c6ee

    • SHA256

      ef5551b32efae3527d147f40eaac18ab0213b7382d5d54bc67fd1c9911007480

    • SHA512

      1206dc9ff04af0d47b96a9e7598fa72626f4d56d0f515ce77ab5d0239a5fa9a1f2d67ba72f0354ed77736078cf466814f7ab5b9497d31a0ef7213cec4e332682

    Score
    10/10
    formbookxloaderiewbloaderpersistenceratspywarestealersuricatatrojan

    • Formbook

      Formbook is a data stealing malware which is capable of stealing data.

      trojanspywarestealerformbook

    • 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 FormBook CnC Checkin (POST) M2

      suricata: ET MALWARE FormBook CnC Checkin (POST) M2

      suricata

    • Xloader Payload

      rat

    • Blocklisted process makes network request

    • Checks computer location settings

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

    • Deletes itself

    • Loads dropped DLL

    • Reads user/profile data of web browsers

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

      spywarestealer

    • Adds Run key to start application

      persistence

    • Suspicious use of SetThreadContext

    behavioral1behavioral2

MITRE ATT&CK Matrix ATT&CK v6

Initial Access

Execution

Command-Line Interface

1
T1059

Persistence

Registry Run Keys / Startup Folder

1
T1060

Privilege Escalation

Defense Evasion

Modify Registry

2
T1112

Credential Access

Credentials in Files

1
T1081

Discovery

Query Registry

1
T1012

System Information Discovery

3
T1082

Lateral Movement

Collection

Data from Local System

1
T1005

Exfiltration

Command and Control

Impact

Tasks