General

  • Target

    PURCHASE ORDER.exe

  • Size

    378KB

  • Sample

    201109-7g9t2svh9n

  • MD5

    c284f72d5a76d0ff86ed2c35c74ebe89

  • SHA1

    ceeae846adc4e2f121f601c7d3cf13a1b9ebff33

  • SHA256

    916badee0304605bfd8e43c11179fb975d094226a432eeb28af55dc9be426c24

  • SHA512

    240b5096045ba660bddf27f0ff26031a99b5ecf005094ad91df019ad7b832a64102b009a7d1187bd946951912730108469c36b37a2925596a641a7becf2d9469

Malware Config

Extracted

Family

formbook

C2

http://www.mansiobok3.info/ch62/

Decoy

priceground.com

protmaxvigilancia.com

allyboom.com

calimerkids.com

behproject.com

everxs.com

peertopeervaluetrading.com

asosdiscountscode.com

supersoloblitz.com

allindiaexpo.com

mountainpunks.com

lawberrys.com

myinsuranceclaimconsultants.com

autoberles.center

xn--circuitomioulla-7qb.com

beheartratemonitoringkey.live

bigcitypillows.com

tresriosresortoffers.com

ratmanrodentremoval.com

fujiaseed.com

Targets

    • Target

      PURCHASE ORDER.exe

    • Size

      378KB

    • MD5

      c284f72d5a76d0ff86ed2c35c74ebe89

    • SHA1

      ceeae846adc4e2f121f601c7d3cf13a1b9ebff33

    • SHA256

      916badee0304605bfd8e43c11179fb975d094226a432eeb28af55dc9be426c24

    • SHA512

      240b5096045ba660bddf27f0ff26031a99b5ecf005094ad91df019ad7b832a64102b009a7d1187bd946951912730108469c36b37a2925596a641a7becf2d9469

    • Formbook

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

    • Formbook Payload

    • Looks for VirtualBox Guest Additions in registry

    • Looks for VMWare Tools registry key

    • Checks BIOS information in registry

      BIOS information is often read in order to detect sandboxing environments.

    • Deletes itself

    • 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

    • Maps connected drives based on registry

      Disk information is often read in order to detect sandboxing environments.

    • Suspicious use of SetThreadContext

MITRE ATT&CK Matrix ATT&CK v6

Persistence

Registry Run Keys / Startup Folder

1
T1060

Defense Evasion

Virtualization/Sandbox Evasion

2
T1497

Modify Registry

2
T1112

Credential Access

Credentials in Files

1
T1081

Discovery

Query Registry

4
T1012

Virtualization/Sandbox Evasion

2
T1497

System Information Discovery

2
T1082

Peripheral Device Discovery

1
T1120

Collection

Data from Local System

1
T1005

Tasks