Analysis

  • max time kernel
    150s
  • max time network
    141s
  • platform
    windows10_x64
  • resource
    win10v20210408
  • 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
  • Suspicious use of SetThreadContext 3 IoCs
  • Suspicious behavior: EnumeratesProcesses 14 IoCs
  • Suspicious behavior: MapViewOfSection 5 IoCs
  • Suspicious use of AdjustPrivilegeToken 6 IoCs
  • Suspicious use of WriteProcessMemory 12 IoCs

Processes

  • C:\Windows\Explorer.EXE
    C:\Windows\Explorer.EXE
    1⤵
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:3052
    • 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:860
      • 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:1256
    • C:\Windows\SysWOW64\raserver.exe
      "C:\Windows\SysWOW64\raserver.exe"
      2⤵
      • Suspicious use of SetThreadContext
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious behavior: MapViewOfSection
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of WriteProcessMemory
      PID:1308
      • C:\Windows\SysWOW64\cmd.exe
        /c del "C:\Users\Admin\AppData\Local\Temp\Purchase Order-070POR044127.exe"
        3⤵
          PID:1304

    Network

    MITRE ATT&CK Matrix

    Replay Monitor

    Loading Replay Monitor...

    Downloads

    • memory/860-114-0x0000000000D10000-0x0000000000D11000-memory.dmp
      Filesize

      4KB

    • memory/860-116-0x0000000005640000-0x0000000005641000-memory.dmp
      Filesize

      4KB

    • memory/860-117-0x00000000058B0000-0x00000000058B1000-memory.dmp
      Filesize

      4KB

    • memory/860-118-0x0000000005950000-0x0000000005951000-memory.dmp
      Filesize

      4KB

    • memory/860-119-0x00000000057F0000-0x00000000057FE000-memory.dmp
      Filesize

      56KB

    • memory/860-120-0x00000000061B0000-0x00000000061B1000-memory.dmp
      Filesize

      4KB

    • memory/860-121-0x0000000002EB0000-0x0000000002F5F000-memory.dmp
      Filesize

      700KB

    • memory/860-122-0x00000000014D0000-0x000000000153B000-memory.dmp
      Filesize

      428KB

    • memory/1256-126-0x00000000010F0000-0x0000000001410000-memory.dmp
      Filesize

      3.1MB

    • memory/1256-124-0x000000000041EBA0-mapping.dmp
    • memory/1256-123-0x0000000000400000-0x000000000042E000-memory.dmp
      Filesize

      184KB

    • memory/1256-127-0x0000000000BA0000-0x0000000000C4E000-memory.dmp
      Filesize

      696KB

    • memory/1304-130-0x0000000000000000-mapping.dmp
    • memory/1308-129-0x0000000000000000-mapping.dmp
    • memory/1308-132-0x00000000006B0000-0x00000000006DE000-memory.dmp
      Filesize

      184KB

    • memory/1308-131-0x0000000000E30000-0x0000000000E4F000-memory.dmp
      Filesize

      124KB

    • memory/1308-133-0x0000000004720000-0x0000000004A40000-memory.dmp
      Filesize

      3.1MB

    • memory/1308-134-0x0000000004550000-0x00000000045E3000-memory.dmp
      Filesize

      588KB

    • memory/3052-128-0x0000000004DA0000-0x0000000004F19000-memory.dmp
      Filesize

      1.5MB

    • memory/3052-135-0x0000000002670000-0x0000000002746000-memory.dmp
      Filesize

      856KB