Analysis

  • max time kernel
    149s
  • max time network
    127s
  • platform
    windows7_x64
  • resource
    win7v20210410
  • submitted
    05-05-2021 11:28

General

  • Target

    Purchase Order-070POR044127.exe

  • Size

    755KB

  • MD5

    86ac789b8bc139ec5dbc204e7a3dd589

  • SHA1

    eadec8bb5cf57113589f456e4d237ae9610e242c

  • SHA256

    e8baf97ad51faed006287d1f01f921df0f677d4f056d35697158d30aa24ace9b

  • SHA512

    fca533d07a06337cb61bfe84cde9e7b1eb240e6a7d7f4ca001a232916c79465c6c908be5040c83e0218ac679f651e2a7209f7672ee08e41dcd413c9772e4c2d3

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 10 IoCs
  • Suspicious behavior: MapViewOfSection 5 IoCs
  • Suspicious use of AdjustPrivilegeToken 2 IoCs
  • Suspicious use of WriteProcessMemory 15 IoCs

Processes

  • C:\Windows\Explorer.EXE
    C:\Windows\Explorer.EXE
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:1224
    • 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:1852
      • C:\Users\Admin\AppData\Local\Temp\Purchase Order-070POR044127.exe
        "C:\Users\Admin\AppData\Local\Temp\Purchase Order-070POR044127.exe"
        3⤵
        • Suspicious use of SetThreadContext
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious behavior: MapViewOfSection
        • Suspicious use of AdjustPrivilegeToken
        PID:1020
    • C:\Windows\SysWOW64\mstsc.exe
      "C:\Windows\SysWOW64\mstsc.exe"
      2⤵
      • Suspicious use of SetThreadContext
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious behavior: MapViewOfSection
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of WriteProcessMemory
      PID:748
      • C:\Windows\SysWOW64\cmd.exe
        /c del "C:\Users\Admin\AppData\Local\Temp\Purchase Order-070POR044127.exe"
        3⤵
        • Deletes itself
        PID:368

Network

MITRE ATT&CK Matrix

Replay Monitor

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Downloads

  • memory/368-74-0x0000000000000000-mapping.dmp
  • memory/748-72-0x0000000000000000-mapping.dmp
  • memory/748-78-0x0000000002060000-0x00000000020F3000-memory.dmp
    Filesize

    588KB

  • memory/748-76-0x0000000000080000-0x00000000000AE000-memory.dmp
    Filesize

    184KB

  • memory/748-77-0x0000000002130000-0x0000000002433000-memory.dmp
    Filesize

    3.0MB

  • memory/748-75-0x0000000000220000-0x0000000000324000-memory.dmp
    Filesize

    1.0MB

  • memory/748-73-0x0000000076A81000-0x0000000076A83000-memory.dmp
    Filesize

    8KB

  • memory/1020-70-0x0000000000170000-0x0000000000184000-memory.dmp
    Filesize

    80KB

  • memory/1020-69-0x0000000000810000-0x0000000000B13000-memory.dmp
    Filesize

    3.0MB

  • memory/1020-66-0x0000000000400000-0x000000000042E000-memory.dmp
    Filesize

    184KB

  • memory/1020-67-0x000000000041EBA0-mapping.dmp
  • memory/1224-71-0x0000000005FB0000-0x00000000060F6000-memory.dmp
    Filesize

    1.3MB

  • memory/1224-79-0x0000000006710000-0x00000000067FC000-memory.dmp
    Filesize

    944KB

  • memory/1852-60-0x0000000000320000-0x0000000000321000-memory.dmp
    Filesize

    4KB

  • memory/1852-65-0x00000000049E0000-0x0000000004A4B000-memory.dmp
    Filesize

    428KB

  • memory/1852-64-0x00000000050A0000-0x000000000514F000-memory.dmp
    Filesize

    700KB

  • memory/1852-63-0x00000000049A0000-0x00000000049A1000-memory.dmp
    Filesize

    4KB

  • memory/1852-62-0x0000000000740000-0x000000000074E000-memory.dmp
    Filesize

    56KB