General

  • Target

    ESTADO DE CUENTA.xls

  • Size

    38KB

  • Sample

    210503-j94egtmrz6

  • MD5

    0d69e4f684735cf4f187659ee0882fd8

  • SHA1

    55a52f6971084224e3030b76cd44d13b0203b749

  • SHA256

    0c856e57da034a8943b4065297d075365090d9eb925abb7ba74dd3df9acefc1f

  • SHA512

    9bfc38689030d9100a52d192ffacf7afcf82ec64b40bb34613adaa109c1557959123ee4c261b4becaed28b99c28044cd410dc3f82fc18ab82276311e40464647

Malware Config

Extracted

Family

formbook

Version

4.1

C2

http://www.111bjs.com/ccr/

Decoy

abdullahlodhi.com

jevya.com

knoxvillerestaurant.com

mekarauroko7389.com

cricketspowder.net

johannchirinos.com

orangeorganical.com

libero-tt.com

lorenaegianluca.com

wintab.net

modernmillievintage.com

zgdqcyw.com

jeffabildgaardmd.com

nurulfikrimakassar.com

findyourchef.com

innovationsservicegroup.com

destek-taleplerimiz.com

whfqqco.icu

kosmetikmadeingermany.com

dieteticos.net

Targets

    • Target

      ESTADO DE CUENTA.xls

    • Size

      38KB

    • MD5

      0d69e4f684735cf4f187659ee0882fd8

    • SHA1

      55a52f6971084224e3030b76cd44d13b0203b749

    • SHA256

      0c856e57da034a8943b4065297d075365090d9eb925abb7ba74dd3df9acefc1f

    • SHA512

      9bfc38689030d9100a52d192ffacf7afcf82ec64b40bb34613adaa109c1557959123ee4c261b4becaed28b99c28044cd410dc3f82fc18ab82276311e40464647

    • Formbook

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

    • Process spawned unexpected child process

      This typically indicates the parent process was compromised via an exploit or macro.

    • Formbook Payload

    • Blocklisted process makes network request

    • Executes dropped EXE

    • Loads dropped DLL

    • Use of msiexec (install) with remote resource

    • Enumerates connected drives

      Attempts to read the root path of hard drives other than the default C: drive.

    • Suspicious use of SetThreadContext

MITRE ATT&CK Matrix ATT&CK v6

Defense Evasion

Modify Registry

1
T1112

Discovery

Query Registry

3
T1012

Peripheral Device Discovery

1
T1120

System Information Discovery

4
T1082

Tasks