Analysis

  • max time kernel
    146s
  • max time network
    132s
  • platform
    windows7_x64
  • resource
    win7v20210410
  • submitted
    09-05-2021 15:01

General

  • Target

    Purchase Order-070POR044127.exe

  • Size

    970KB

  • MD5

    15777f1f1c6b81ea03eb9f14c3a77f68

  • SHA1

    1664e98460e60a7399d393c9df24aa5435f9e251

  • SHA256

    1012fd502b2b0f81c21293efaf6b1f012693dc485690e4b8dda25dfa4c7538d9

  • SHA512

    54e7d77fc74ce5f5331a4e1f373b9bbd4dc8dc4ffc9ec3b62f9a321535d699209956dd13d3907e0609c54410e19deddbacec1f78f02cfa80eb6788c1de99e8c7

Malware Config

Extracted

Family

formbook

Version

4.1

C2

http://www.magnumopuspro.com/nyr/

Decoy

anemone-vintage.com

ironcitytools.com

joshandmatthew.com

breathtakingscenery.photos

karabakh-terror.com

micahelgall.com

entretiendesterrasses.com

mhgholdings.com

blewm.com

sidewalknotary.com

ytrs-elec.com

danhpham.com

ma21cle2henz.xyz

lotusforlease.com

shipleyphotoandfilm.com

bulktool.xyz

ouedzmala.com

yichengvpr.com

connectmygames.com

chjcsc.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 23 IoCs
  • Suspicious behavior: MapViewOfSection 5 IoCs
  • Suspicious use of AdjustPrivilegeToken 2 IoCs
  • Suspicious use of FindShellTrayWindow 4 IoCs
  • Suspicious use of SendNotifyMessage 4 IoCs
  • Suspicious use of WriteProcessMemory 15 IoCs

Processes

  • C:\Windows\Explorer.EXE
    C:\Windows\Explorer.EXE
    1⤵
    • Suspicious use of FindShellTrayWindow
    • Suspicious use of SendNotifyMessage
    • Suspicious use of WriteProcessMemory
    PID:1196
    • C:\Users\Admin\AppData\Local\Temp\Purchase Order-070POR044127.exe
      "C:\Users\Admin\AppData\Local\Temp\Purchase Order-070POR044127.exe"
      2⤵
      • Suspicious use of SetThreadContext
      • Suspicious use of WriteProcessMemory
      PID:296
      • C:\Users\Admin\AppData\Local\Temp\Purchase Order-070POR044127.exe
        "{path}"
        3⤵
        • Suspicious use of SetThreadContext
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious behavior: MapViewOfSection
        • Suspicious use of AdjustPrivilegeToken
        PID:1364
    • C:\Windows\SysWOW64\msdt.exe
      "C:\Windows\SysWOW64\msdt.exe"
      2⤵
      • Suspicious use of SetThreadContext
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious behavior: MapViewOfSection
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of WriteProcessMemory
      PID:396
      • C:\Windows\SysWOW64\cmd.exe
        /c del "C:\Users\Admin\AppData\Local\Temp\Purchase Order-070POR044127.exe"
        3⤵
        • Deletes itself
        PID:1740

Network

MITRE ATT&CK Matrix

Replay Monitor

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Downloads

  • memory/296-59-0x0000000000800000-0x0000000000801000-memory.dmp

    Filesize

    4KB

  • memory/296-61-0x0000000004D20000-0x0000000004D21000-memory.dmp

    Filesize

    4KB

  • memory/296-62-0x0000000000560000-0x000000000056E000-memory.dmp

    Filesize

    56KB

  • memory/296-63-0x0000000005E70000-0x0000000005EFD000-memory.dmp

    Filesize

    564KB

  • memory/296-64-0x0000000004BA0000-0x0000000004BE0000-memory.dmp

    Filesize

    256KB

  • memory/396-73-0x00000000006A0000-0x0000000000794000-memory.dmp

    Filesize

    976KB

  • memory/396-71-0x0000000000000000-mapping.dmp

  • memory/396-72-0x00000000757E1000-0x00000000757E3000-memory.dmp

    Filesize

    8KB

  • memory/396-74-0x00000000000C0000-0x00000000000EE000-memory.dmp

    Filesize

    184KB

  • memory/396-76-0x00000000021A0000-0x00000000024A3000-memory.dmp

    Filesize

    3.0MB

  • memory/396-77-0x00000000024B0000-0x0000000002543000-memory.dmp

    Filesize

    588KB

  • memory/1196-70-0x0000000006F60000-0x00000000070DB000-memory.dmp

    Filesize

    1.5MB

  • memory/1196-78-0x0000000006A50000-0x0000000006B70000-memory.dmp

    Filesize

    1.1MB

  • memory/1364-66-0x000000000041EBA0-mapping.dmp

  • memory/1364-68-0x0000000000A90000-0x0000000000D93000-memory.dmp

    Filesize

    3.0MB

  • memory/1364-69-0x0000000000180000-0x0000000000194000-memory.dmp

    Filesize

    80KB

  • memory/1364-65-0x0000000000400000-0x000000000042E000-memory.dmp

    Filesize

    184KB

  • memory/1740-75-0x0000000000000000-mapping.dmp