Resubmissions

17-01-2021 18:15

210117-fxwmewalja 10

14-01-2021 07:03

210114-8qg5at6j5a 10

Analysis

  • max time kernel
    148s
  • max time network
    146s
  • platform
    windows7_x64
  • resource
    win7v20201028
  • submitted
    14-01-2021 07:03

General

  • Target

    Shipping Documents PL&BL Draft.scr

  • Size

    449KB

  • MD5

    683ec5541b3901533bf82d5df00dcde2

  • SHA1

    c3dc36ffb0efaf7aad512b8a82c43678b7314f38

  • SHA256

    040e512b75bacd0ed6e0e13efa13f6ea92ebd47c214112b5371425009909c842

  • SHA512

    f17861a053bb7646911aa3b9b67b5918c6cefd09a91e28cb11fd2a6d549f4e279ca345403e0e32f9ed6a3b15c29fb2a25a885b4bb845d42c8b8dbfad47165134

Malware Config

Extracted

Family

formbook

C2

http://www.elevatedenterprizes.com/h3qo/

Decoy

dhflow.com

jyindex.com

ezcleanhandle.com

trungtamcongdong.online

simsprotectionagency.com

easylivemeet.com

blackvikingfashionhouse.com

52banxue.com

girlsinit.com

drhemo.com

freethefarmers.com

velvetrosephotography.com

geometricbotaniclas.com

skyandspirit.com

deltacomunicacao.com

mucademy.com

jaboilfieldsolutions.net

howtowinatblackjacknow.com

anytimegrowth.com

simranluthra.com

Signatures

  • Formbook

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

  • Xloader

    Xloader is a rebranded version of Formbook malware.

  • Xloader Payload 3 IoCs
  • Deletes itself 1 IoCs
  • Suspicious use of SetThreadContext 3 IoCs
  • Gathers network information 2 TTPs 1 IoCs

    Uses commandline utility to view network configuration.

  • Suspicious behavior: EnumeratesProcesses 30 IoCs
  • Suspicious behavior: MapViewOfSection 6 IoCs
  • Suspicious use of AdjustPrivilegeToken 2 IoCs
  • Suspicious use of FindShellTrayWindow 4 IoCs
  • Suspicious use of SendNotifyMessage 4 IoCs
  • Suspicious use of WriteProcessMemory 13 IoCs

Processes

  • C:\Windows\Explorer.EXE
    C:\Windows\Explorer.EXE
    1⤵
    • Suspicious use of FindShellTrayWindow
    • Suspicious use of SendNotifyMessage
    • Suspicious use of WriteProcessMemory
    PID:1236
    • C:\Users\Admin\AppData\Local\Temp\Shipping Documents PL&BL Draft.scr
      "C:\Users\Admin\AppData\Local\Temp\Shipping Documents PL&BL Draft.scr" /S
      2⤵
      • Suspicious use of SetThreadContext
      • Suspicious behavior: MapViewOfSection
      • Suspicious use of WriteProcessMemory
      PID:1944
      • C:\Users\Admin\AppData\Local\Temp\Shipping Documents PL&BL Draft.scr
        "C:\Users\Admin\AppData\Local\Temp\Shipping Documents PL&BL Draft.scr" /S
        3⤵
        • Suspicious use of SetThreadContext
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious behavior: MapViewOfSection
        • Suspicious use of AdjustPrivilegeToken
        PID:1876
    • C:\Windows\SysWOW64\autochk.exe
      "C:\Windows\SysWOW64\autochk.exe"
      2⤵
        PID:1656
      • C:\Windows\SysWOW64\autochk.exe
        "C:\Windows\SysWOW64\autochk.exe"
        2⤵
          PID:1744
        • C:\Windows\SysWOW64\autochk.exe
          "C:\Windows\SysWOW64\autochk.exe"
          2⤵
            PID:908
          • C:\Windows\SysWOW64\autochk.exe
            "C:\Windows\SysWOW64\autochk.exe"
            2⤵
              PID:1664
            • C:\Windows\SysWOW64\autochk.exe
              "C:\Windows\SysWOW64\autochk.exe"
              2⤵
                PID:1684
              • C:\Windows\SysWOW64\autochk.exe
                "C:\Windows\SysWOW64\autochk.exe"
                2⤵
                  PID:296
                • C:\Windows\SysWOW64\autochk.exe
                  "C:\Windows\SysWOW64\autochk.exe"
                  2⤵
                    PID:1564
                  • C:\Windows\SysWOW64\autochk.exe
                    "C:\Windows\SysWOW64\autochk.exe"
                    2⤵
                      PID:776
                    • C:\Windows\SysWOW64\autochk.exe
                      "C:\Windows\SysWOW64\autochk.exe"
                      2⤵
                        PID:536
                      • C:\Windows\SysWOW64\autochk.exe
                        "C:\Windows\SysWOW64\autochk.exe"
                        2⤵
                          PID:1092
                        • C:\Windows\SysWOW64\autochk.exe
                          "C:\Windows\SysWOW64\autochk.exe"
                          2⤵
                            PID:528
                          • C:\Windows\SysWOW64\autochk.exe
                            "C:\Windows\SysWOW64\autochk.exe"
                            2⤵
                              PID:744
                            • C:\Windows\SysWOW64\autochk.exe
                              "C:\Windows\SysWOW64\autochk.exe"
                              2⤵
                                PID:292
                              • C:\Windows\SysWOW64\NETSTAT.EXE
                                "C:\Windows\SysWOW64\NETSTAT.EXE"
                                2⤵
                                • Suspicious use of SetThreadContext
                                • Gathers network information
                                • Suspicious behavior: EnumeratesProcesses
                                • Suspicious behavior: MapViewOfSection
                                • Suspicious use of AdjustPrivilegeToken
                                • Suspicious use of WriteProcessMemory
                                PID:788
                                • C:\Windows\SysWOW64\cmd.exe
                                  /c del "C:\Users\Admin\AppData\Local\Temp\Shipping Documents PL&BL Draft.scr"
                                  3⤵
                                  • Deletes itself
                                  PID:304

                            Network

                            MITRE ATT&CK Matrix ATT&CK v6

                            Execution

                            Command-Line Interface

                            1
                            T1059

                            Discovery

                            System Information Discovery

                            1
                            T1082

                            Replay Monitor

                            Loading Replay Monitor...

                            Downloads

                            • memory/304-6-0x0000000000000000-mapping.dmp
                            • memory/788-4-0x0000000000000000-mapping.dmp
                            • memory/788-5-0x0000000000120000-0x0000000000129000-memory.dmp
                              Filesize

                              36KB

                            • memory/788-7-0x0000000004350000-0x000000000441C000-memory.dmp
                              Filesize

                              816KB

                            • memory/1876-2-0x0000000000400000-0x0000000000429000-memory.dmp
                              Filesize

                              164KB

                            • memory/1876-3-0x000000000041D0E0-mapping.dmp