General

  • Target

    tmp

  • Size

    533KB

  • Sample

    220628-x19jdsdfb3

  • MD5

    2ca4db9e581608faaacdd0533b4fd783

  • SHA1

    78065a3d2fdc96c1c9de15a1ca7e39cd96be1137

  • SHA256

    2c6f3126b960f02205390cf54a74de6e32d53cc1d6db64cc4744c9cca63ecca6

  • SHA512

    fcd201fd15e2133052b24b786131d0adb877ba979ce3aedfbb52596dd7636ceb7194df7f1acc5a6d8be1d6fd8e1faea152e2073495fbacadf38728dddbafc847

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

      tmp

    • Size

      533KB

    • MD5

      2ca4db9e581608faaacdd0533b4fd783

    • SHA1

      78065a3d2fdc96c1c9de15a1ca7e39cd96be1137

    • SHA256

      2c6f3126b960f02205390cf54a74de6e32d53cc1d6db64cc4744c9cca63ecca6

    • SHA512

      fcd201fd15e2133052b24b786131d0adb877ba979ce3aedfbb52596dd7636ceb7194df7f1acc5a6d8be1d6fd8e1faea152e2073495fbacadf38728dddbafc847

    • Formbook

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

    • Xloader

      Xloader is a rebranded version of Formbook malware.

    • suricata: ET MALWARE FormBook CnC Checkin (GET)

      suricata: ET MALWARE FormBook CnC Checkin (GET)

    • suricata: ET MALWARE FormBook CnC Checkin (POST) M2

      suricata: ET MALWARE FormBook CnC Checkin (POST) M2

    • Xloader Payload

    • Adds policy Run key to start application

    • 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.

    • Adds Run key to start application

    • Suspicious use of SetThreadContext

MITRE ATT&CK Matrix ATT&CK v6

Persistence

Registry Run Keys / Startup Folder

2
T1060

Defense Evasion

Modify Registry

3
T1112

Credential Access

Credentials in Files

1
T1081

Discovery

Query Registry

1
T1012

System Information Discovery

1
T1082

Collection

Data from Local System

1
T1005

Tasks