Analysis

  • max time kernel
    149s
  • max time network
    145s
  • platform
    windows7_x64
  • resource
    win7v20210410
  • submitted
    05-05-2021 12:03

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 4 IoCs
  • Suspicious behavior: EnumeratesProcesses 10 IoCs
  • Suspicious behavior: MapViewOfSection 6 IoCs
  • Suspicious use of AdjustPrivilegeToken 2 IoCs
  • Suspicious use of WriteProcessMemory 15 IoCs

Processes

  • C:\Windows\Explorer.EXE
    C:\Windows\Explorer.EXE
    1⤵
      PID:1208
      • 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:1048
        • 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
          • Suspicious use of WriteProcessMemory
          PID:780
          • C:\Windows\SysWOW64\wscript.exe
            "C:\Windows\SysWOW64\wscript.exe"
            4⤵
            • Suspicious use of SetThreadContext
            • Suspicious behavior: EnumeratesProcesses
            • Suspicious behavior: MapViewOfSection
            • Suspicious use of AdjustPrivilegeToken
            • Suspicious use of WriteProcessMemory
            PID:1904
            • C:\Windows\SysWOW64\cmd.exe
              /c del "C:\Users\Admin\AppData\Local\Temp\Purchase Order-070POR044127.exe"
              5⤵
              • Deletes itself
              PID:1880
      • C:\Windows\SysWOW64\autofmt.exe
        "C:\Windows\SysWOW64\autofmt.exe"
        2⤵
          PID:828
        • C:\Windows\SysWOW64\autofmt.exe
          "C:\Windows\SysWOW64\autofmt.exe"
          2⤵
            PID:1928
          • C:\Windows\SysWOW64\autofmt.exe
            "C:\Windows\SysWOW64\autofmt.exe"
            2⤵
              PID:772
            • C:\Windows\SysWOW64\autofmt.exe
              "C:\Windows\SysWOW64\autofmt.exe"
              2⤵
                PID:864
              • C:\Windows\SysWOW64\autoconv.exe
                "C:\Windows\SysWOW64\autoconv.exe"
                2⤵
                  PID:1764
                • C:\Windows\SysWOW64\autoconv.exe
                  "C:\Windows\SysWOW64\autoconv.exe"
                  2⤵
                    PID:1608
                  • C:\Windows\SysWOW64\autoconv.exe
                    "C:\Windows\SysWOW64\autoconv.exe"
                    2⤵
                      PID:928
                    • C:\Windows\SysWOW64\autoconv.exe
                      "C:\Windows\SysWOW64\autoconv.exe"
                      2⤵
                        PID:524
                      • C:\Windows\SysWOW64\autoconv.exe
                        "C:\Windows\SysWOW64\autoconv.exe"
                        2⤵
                          PID:684
                        • C:\Windows\SysWOW64\autoconv.exe
                          "C:\Windows\SysWOW64\autoconv.exe"
                          2⤵
                            PID:1776
                          • C:\Windows\SysWOW64\autoconv.exe
                            "C:\Windows\SysWOW64\autoconv.exe"
                            2⤵
                              PID:568
                            • C:\Windows\SysWOW64\autoconv.exe
                              "C:\Windows\SysWOW64\autoconv.exe"
                              2⤵
                                PID:560
                              • C:\Windows\SysWOW64\autoconv.exe
                                "C:\Windows\SysWOW64\autoconv.exe"
                                2⤵
                                  PID:1512
                                • C:\Windows\SysWOW64\autoconv.exe
                                  "C:\Windows\SysWOW64\autoconv.exe"
                                  2⤵
                                    PID:1116

                                Network

                                MITRE ATT&CK Matrix

                                Replay Monitor

                                Loading Replay Monitor...

                                Downloads

                                • memory/780-66-0x0000000000400000-0x000000000042E000-memory.dmp
                                  Filesize

                                  184KB

                                • memory/780-72-0x0000000000230000-0x0000000000244000-memory.dmp
                                  Filesize

                                  80KB

                                • memory/780-71-0x0000000000110000-0x0000000000124000-memory.dmp
                                  Filesize

                                  80KB

                                • memory/780-70-0x0000000000940000-0x0000000000C43000-memory.dmp
                                  Filesize

                                  3.0MB

                                • memory/780-67-0x000000000041EBA0-mapping.dmp
                                • memory/1048-65-0x00000000042E0000-0x000000000434B000-memory.dmp
                                  Filesize

                                  428KB

                                • memory/1048-64-0x00000000050B0000-0x000000000515F000-memory.dmp
                                  Filesize

                                  700KB

                                • memory/1048-63-0x00000000003E0000-0x00000000003EE000-memory.dmp
                                  Filesize

                                  56KB

                                • memory/1048-62-0x0000000000400000-0x0000000000401000-memory.dmp
                                  Filesize

                                  4KB

                                • memory/1048-60-0x0000000000140000-0x0000000000141000-memory.dmp
                                  Filesize

                                  4KB

                                • memory/1208-80-0x0000000006580000-0x0000000006693000-memory.dmp
                                  Filesize

                                  1.1MB

                                • memory/1208-69-0x0000000004C10000-0x0000000004D6E000-memory.dmp
                                  Filesize

                                  1.4MB

                                • memory/1208-73-0x0000000005010000-0x0000000005110000-memory.dmp
                                  Filesize

                                  1024KB

                                • memory/1880-75-0x0000000000000000-mapping.dmp
                                • memory/1904-74-0x0000000000000000-mapping.dmp
                                • memory/1904-77-0x0000000000070000-0x000000000009E000-memory.dmp
                                  Filesize

                                  184KB

                                • memory/1904-78-0x0000000002140000-0x0000000002443000-memory.dmp
                                  Filesize

                                  3.0MB

                                • memory/1904-79-0x0000000001FB0000-0x0000000002043000-memory.dmp
                                  Filesize

                                  588KB

                                • memory/1904-76-0x0000000000500000-0x0000000000526000-memory.dmp
                                  Filesize

                                  152KB