Resubmissions

17-01-2021 18:00

210117-7tg4bkzgjn 10

17-01-2021 17:55

210117-y56mjft712 10

Analysis

  • max time kernel
    147s
  • max time network
    15s
  • platform
    windows7_x64
  • resource
    win7v20201028
  • submitted
    17-01-2021 17:55

General

  • Target

    Confirm!!.exe

  • Size

    822KB

  • MD5

    7fe88cceaddc558f6c812a574dd7d2d8

  • SHA1

    feea6851987dec87602c10633c7748bb1a184b5a

  • SHA256

    005051028cd70b06d41a9703a87b07dfd779d03395073edf6d43aaa10a719040

  • SHA512

    7fc4a802bb5703a8b23853739f1a3c1a986f9fa623d0a7327243cad31c3a2cbcf31555f875e8b4ab707a336912707f5814ddfb0ee4540fe4a1d1e89131bef362

Malware Config

Extracted

Family

formbook

C2

http://www.deuxus.com/t052/

Decoy

ladybug-learning.com

unforgottenstory.com

oldmopaiv.xyz

natashaexim.com

hannahmcelgunn.com

retargetingmachines.info

njoconline.com

unicornlankadelivery.com

giftkerala.com

englishfordoctors.online

schatzilandrvresort.com

brujoisaac.com

basiccampinggear.com

escapees.today

dgyxsy888.com

stevebana.xyz

mimozakebap.com

ezdoff.com

pluumyspalace.com

shaoshanshan.com

Signatures

  • Formbook

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

  • Formbook Payload 3 IoCs
  • Deletes itself 1 IoCs
  • Suspicious use of SetThreadContext 3 IoCs
  • Suspicious behavior: EnumeratesProcesses 9 IoCs
  • Suspicious behavior: MapViewOfSection 5 IoCs
  • Suspicious use of AdjustPrivilegeToken 3 IoCs
  • Suspicious use of WriteProcessMemory 15 IoCs

Processes

  • C:\Windows\Explorer.EXE
    C:\Windows\Explorer.EXE
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:1248
    • C:\Users\Admin\AppData\Local\Temp\Confirm!!.exe
      "C:\Users\Admin\AppData\Local\Temp\Confirm!!.exe"
      2⤵
      • Suspicious use of SetThreadContext
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of WriteProcessMemory
      PID:1668
      • C:\Users\Admin\AppData\Local\Temp\Confirm!!.exe
        "C:\Users\Admin\AppData\Local\Temp\Confirm!!.exe"
        3⤵
        • Suspicious use of SetThreadContext
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious behavior: MapViewOfSection
        • Suspicious use of AdjustPrivilegeToken
        PID:328
    • C:\Windows\SysWOW64\cscript.exe
      "C:\Windows\SysWOW64\cscript.exe"
      2⤵
      • Suspicious use of SetThreadContext
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious behavior: MapViewOfSection
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of WriteProcessMemory
      PID:296
      • C:\Windows\SysWOW64\cmd.exe
        /c del "C:\Users\Admin\AppData\Local\Temp\Confirm!!.exe"
        3⤵
        • Deletes itself
        PID:1204

Network

MITRE ATT&CK Matrix

Replay Monitor

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Downloads

  • memory/296-14-0x0000000000000000-mapping.dmp
  • memory/296-19-0x00000000008B0000-0x0000000000943000-memory.dmp
    Filesize

    588KB

  • memory/296-18-0x0000000000B00000-0x0000000000E03000-memory.dmp
    Filesize

    3.0MB

  • memory/296-17-0x0000000000070000-0x000000000009E000-memory.dmp
    Filesize

    184KB

  • memory/296-16-0x0000000000E40000-0x0000000000E62000-memory.dmp
    Filesize

    136KB

  • memory/328-12-0x0000000000190000-0x00000000001A4000-memory.dmp
    Filesize

    80KB

  • memory/328-8-0x0000000000400000-0x000000000042E000-memory.dmp
    Filesize

    184KB

  • memory/328-11-0x0000000000AC0000-0x0000000000DC3000-memory.dmp
    Filesize

    3.0MB

  • memory/328-9-0x000000000041ECC0-mapping.dmp
  • memory/1204-15-0x0000000000000000-mapping.dmp
  • memory/1248-13-0x0000000004250000-0x00000000043A2000-memory.dmp
    Filesize

    1.3MB

  • memory/1668-2-0x0000000074110000-0x00000000747FE000-memory.dmp
    Filesize

    6.9MB

  • memory/1668-7-0x0000000000970000-0x00000000009DB000-memory.dmp
    Filesize

    428KB

  • memory/1668-6-0x0000000000290000-0x00000000002A3000-memory.dmp
    Filesize

    76KB

  • memory/1668-5-0x0000000004F00000-0x0000000004F01000-memory.dmp
    Filesize

    4KB

  • memory/1668-3-0x00000000009E0000-0x00000000009E1000-memory.dmp
    Filesize

    4KB