Analysis

  • max time kernel
    120s
  • max time network
    120s
  • platform
    windows7_x64
  • resource
    win7-en-20211104
  • submitted
    13-11-2021 10:55

General

  • Target

    1ad9efcddab819d24cca2f9323395f9e.exe

  • Size

    329KB

  • MD5

    1ad9efcddab819d24cca2f9323395f9e

  • SHA1

    1ffcdd188cb66666cdac14bb8d8b48902bd666e6

  • SHA256

    8b249a16ea50d01651cf9c1f01c97deea48293f1b28735450d62bd0413b93653

  • SHA512

    1afaa2924ef06a5cde9cc1778b892738c126a3311c59e407a931601f5459ec26b7348ed12832cc88399931540d5198407be1c28f4ec7c3d1b98f70ebf15a8046

Malware Config

Extracted

Family

formbook

Version

4.1

Campaign

kzk9

C2

http://www.yourmajordomo.com/kzk9/

Decoy

tianconghuo.club

1996-page.com

ourtownmax.net

conservativetreehose.com

synth.repair

donnachicacreperia.com

tentfull.com

weapp.download

surfersink.com

gattlebusinessservices.com

sebastian249.com

anhphuc.company

betternatureproducts.net

defroplate.com

seattlesquidsquad.com

polarjob.com

lendingadvantage.com

angelsondope.com

goportjitney.com

tiendagrupojagr.com

Signatures

  • Formbook

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

  • Formbook Payload 2 IoCs
  • Suspicious use of SetThreadContext 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 7 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of WriteProcessMemory 7 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\1ad9efcddab819d24cca2f9323395f9e.exe
    "C:\Users\Admin\AppData\Local\Temp\1ad9efcddab819d24cca2f9323395f9e.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:1196
    • C:\Users\Admin\AppData\Local\Temp\1ad9efcddab819d24cca2f9323395f9e.exe
      "C:\Users\Admin\AppData\Local\Temp\1ad9efcddab819d24cca2f9323395f9e.exe"
      2⤵
      • Suspicious behavior: EnumeratesProcesses
      PID:1944

Network

MITRE ATT&CK Matrix

Replay Monitor

Loading Replay Monitor...

Downloads

  • memory/1196-55-0x00000000001F0000-0x00000000001F1000-memory.dmp
    Filesize

    4KB

  • memory/1196-57-0x0000000075801000-0x0000000075803000-memory.dmp
    Filesize

    8KB

  • memory/1196-58-0x0000000004E10000-0x0000000004E11000-memory.dmp
    Filesize

    4KB

  • memory/1196-59-0x00000000002E0000-0x00000000002E7000-memory.dmp
    Filesize

    28KB

  • memory/1196-60-0x0000000004DC0000-0x0000000004E0B000-memory.dmp
    Filesize

    300KB

  • memory/1944-61-0x0000000000400000-0x000000000042E000-memory.dmp
    Filesize

    184KB

  • memory/1944-63-0x0000000000400000-0x000000000042E000-memory.dmp
    Filesize

    184KB

  • memory/1944-62-0x0000000000400000-0x000000000042E000-memory.dmp
    Filesize

    184KB

  • memory/1944-64-0x000000000041EB80-mapping.dmp
  • memory/1944-65-0x0000000000830000-0x0000000000B33000-memory.dmp
    Filesize

    3.0MB