Analysis

  • max time kernel
    150s
  • max time network
    139s
  • platform
    windows10_x64
  • resource
    win10v20210408
  • submitted
    15-09-2021 18:14

General

  • Target

    Novi poredak. 09324314.exe

  • Size

    713KB

  • MD5

    f9b5b86eb4db654917c7e1ddbbe0d5c2

  • SHA1

    75e95bf439fbf8d6f387467c6ac2eb82ee9d3d1d

  • SHA256

    c839e1036e4c8c7568d66cfb7c269ab8ed8048f9fc5a89464d82572a6efc1c28

  • SHA512

    1a2c8322f6caf829cf4b393f1dbf74ae11c19e2af111c6127f3593827392c85458da71bbffa7f63e5a03f347801c178a8f315ca5ce47ab0683b92a45e63e094e

Malware Config

Extracted

Family

formbook

Version

4.1

Campaign

3nop

C2

http://www.jakesplacebarbers.com/3nop/

Decoy

videohm.com

panache-rose.com

alnooncars-kw.com

trueblue2u.com

brussels-cafe.com

ip2c.net

influenzerr.com

rbcoq.com

zzful.com

drainthe.com

sumaholesson.com

cursosaprovados.com

genotecinc.com

dbrulhart.com

theapiarystudios.com

kensyu-kan.com

dkku88.com

tikhyper.com

aztecnort.com

homebrim.com

Signatures

  • Formbook

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

  • suricata: ET MALWARE FormBook CnC Checkin (GET)

    suricata: ET MALWARE FormBook CnC Checkin (GET)

  • Formbook Payload 3 IoCs
  • Suspicious use of SetThreadContext 2 IoCs
  • Modifies registry class 2 IoCs
  • Suspicious behavior: EnumeratesProcesses 56 IoCs
  • Suspicious behavior: GetForegroundWindowSpam 1 IoCs
  • Suspicious behavior: MapViewOfSection 5 IoCs
  • Suspicious use of AdjustPrivilegeToken 18 IoCs
  • Suspicious use of FindShellTrayWindow 8 IoCs
  • Suspicious use of WriteProcessMemory 12 IoCs

Processes

  • C:\Windows\Explorer.EXE
    C:\Windows\Explorer.EXE
    1⤵
    • Modifies registry class
    • Suspicious behavior: GetForegroundWindowSpam
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of FindShellTrayWindow
    • Suspicious use of WriteProcessMemory
    PID:2724
    • C:\Users\Admin\AppData\Local\Temp\Novi poredak. 09324314.exe
      "C:\Users\Admin\AppData\Local\Temp\Novi poredak. 09324314.exe"
      2⤵
      • Suspicious use of WriteProcessMemory
      PID:652
      • C:\Windows\SysWOW64\dialer.exe
        C:\Windows\System32\dialer.exe
        3⤵
        • Suspicious use of SetThreadContext
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious behavior: MapViewOfSection
        • Suspicious use of AdjustPrivilegeToken
        PID:1100
    • C:\Windows\SysWOW64\wscript.exe
      "C:\Windows\SysWOW64\wscript.exe"
      2⤵
      • Suspicious use of SetThreadContext
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious behavior: MapViewOfSection
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of WriteProcessMemory
      PID:1244
      • C:\Windows\SysWOW64\cmd.exe
        /c del "C:\Windows\SysWOW64\dialer.exe"
        3⤵
          PID:1488

    Network

    MITRE ATT&CK Matrix

    Replay Monitor

    Loading Replay Monitor...

    Downloads

    • memory/652-114-0x00000000021F0000-0x00000000021F1000-memory.dmp
      Filesize

      4KB

    • memory/1100-115-0x0000000000000000-mapping.dmp
    • memory/1100-117-0x0000000010410000-0x000000001043E000-memory.dmp
      Filesize

      184KB

    • memory/1100-116-0x0000000000650000-0x0000000000651000-memory.dmp
      Filesize

      4KB

    • memory/1100-118-0x0000000004580000-0x00000000048A0000-memory.dmp
      Filesize

      3.1MB

    • memory/1100-119-0x0000000000F30000-0x0000000000F44000-memory.dmp
      Filesize

      80KB

    • memory/1244-124-0x0000000000990000-0x00000000009BE000-memory.dmp
      Filesize

      184KB

    • memory/1244-121-0x0000000000000000-mapping.dmp
    • memory/1244-123-0x0000000000D00000-0x0000000000D27000-memory.dmp
      Filesize

      156KB

    • memory/1244-125-0x0000000004A80000-0x0000000004DA0000-memory.dmp
      Filesize

      3.1MB

    • memory/1244-126-0x00000000048E0000-0x0000000004973000-memory.dmp
      Filesize

      588KB

    • memory/1488-122-0x0000000000000000-mapping.dmp
    • memory/2724-120-0x00000000065E0000-0x0000000006751000-memory.dmp
      Filesize

      1.4MB

    • memory/2724-127-0x0000000006A70000-0x0000000006BC3000-memory.dmp
      Filesize

      1.3MB