Analysis

  • max time kernel
    150s
  • max time network
    149s
  • platform
    windows7_x64
  • resource
    win7v20201028
  • submitted
    26-02-2021 07:32

General

  • Target

    Payment_receipt-jpg.exe

  • Size

    205KB

  • MD5

    ff3e0ab57af118dc198c22762d82a853

  • SHA1

    7f6cc3851f4e778abad04e910849d81321b3112b

  • SHA256

    a557dd45c97fa26c318728d77a46ea6b69afba06d1cbdc00975fe27492c5f17a

  • SHA512

    5f18d775b0357ada24682d52f61c558db585aa8e0a1ee65cde4292ea60835e718c0bcc8daad2f264ba39cfae068aca01b4b5092a9508a6f6b1822926892576e0

Malware Config

Extracted

Family

formbook

C2

http://www.t-delivery.com/c8bs/

Decoy

hiocast.com

osloelektriker.com

reneochoa.com

abtalna.com

inochishop.com

meetingsourcing.com

agatmato.com

subauth.com

enascenso2011.com

tapaticon.website

jpamoroso.com

theofficialgarciaapp.com

a7a2.xyz

6767998.info

travelloverstransfers.com

themetroatlantateam.com

cmilegacy.com

sportcardcon.com

signaturehosts.com

banhxeowraps.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 2 IoCs
  • Executes dropped EXE 2 IoCs
  • Loads dropped DLL 3 IoCs
  • Suspicious use of SetThreadContext 3 IoCs
  • Enumerates physical storage devices 1 TTPs

    Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.

  • Suspicious behavior: EnumeratesProcesses 35 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 20 IoCs

Processes

  • C:\Windows\Explorer.EXE
    C:\Windows\Explorer.EXE
    1⤵
    • Suspicious use of FindShellTrayWindow
    • Suspicious use of SendNotifyMessage
    • Suspicious use of WriteProcessMemory
    PID:1260
    • C:\Users\Admin\AppData\Local\Temp\Payment_receipt-jpg.exe
      "C:\Users\Admin\AppData\Local\Temp\Payment_receipt-jpg.exe"
      2⤵
      • Loads dropped DLL
      • Suspicious use of WriteProcessMemory
      PID:1676
      • C:\Users\Admin\AppData\Local\Temp\q543aatx9th.exe
        "C:\Users\Admin\AppData\Local\Temp\q543aatx9th.exe" "C:\Users\Admin\AppData\Local\Temp\9v3vv.dll" "C:\Users\Admin\AppData\Local\Temp\nacdbu.dw"
        3⤵
        • Executes dropped EXE
        • Loads dropped DLL
        • Suspicious use of SetThreadContext
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious behavior: MapViewOfSection
        • Suspicious use of WriteProcessMemory
        PID:1224
        • C:\Users\Admin\AppData\Local\Temp\q543aatx9th.exe
          "C:\Users\Admin\AppData\Local\Temp\q543aatx9th.exe" "C:\Users\Admin\AppData\Local\Temp\9v3vv.dll" "C:\Users\Admin\AppData\Local\Temp\nacdbu.dw"
          4⤵
          • Executes dropped EXE
          • Suspicious use of SetThreadContext
          • Suspicious behavior: EnumeratesProcesses
          • Suspicious behavior: MapViewOfSection
          • Suspicious use of AdjustPrivilegeToken
          PID:1984
    • C:\Windows\SysWOW64\autoconv.exe
      "C:\Windows\SysWOW64\autoconv.exe"
      2⤵
        PID:1704
      • C:\Windows\SysWOW64\wuapp.exe
        "C:\Windows\SysWOW64\wuapp.exe"
        2⤵
        • Suspicious use of SetThreadContext
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious behavior: MapViewOfSection
        • Suspicious use of AdjustPrivilegeToken
        • Suspicious use of WriteProcessMemory
        PID:1692
        • C:\Windows\SysWOW64\cmd.exe
          /c del "C:\Users\Admin\AppData\Local\Temp\q543aatx9th.exe"
          3⤵
            PID:1096

      Network

      MITRE ATT&CK Enterprise v6

      Replay Monitor

      Loading Replay Monitor...

      Downloads

      • C:\Users\Admin\AppData\Local\Temp\9v3vv.dll
        MD5

        ff561381a98c59a015d95a8efdb1d6a7

        SHA1

        0116be6300004d38b2ad869f2b93d81a329f5c47

        SHA256

        2591c9b97e1f4599b74cde3302c95f2b867ccd061989d32362f03ca5f8d7358e

        SHA512

        cab5553d602a34944605e6afb7024492e7162fa2cdc46e38b84da93d4a752a6e5e022f82dfe3d7da27579353cec22f2557d78b4578b0e98ef8993e24b0111ace

      • C:\Users\Admin\AppData\Local\Temp\nacdbu.dw
        MD5

        7d0269fe295e21bdebb20f75905994d3

        SHA1

        a5d0a28aa49dce198346d9ff0a91ca322ae18a56

        SHA256

        f302190eb9a7f56f080f961b9e4535d0dcf980bdf593d2364b2812d068cd3054

        SHA512

        26356342a27c31f9650871b988b1387c70d3178285ba734596b8afd0385319f4cdb153a026fc847b15c68a3466948a75e2412b107713f8408f8d27c90650959f

      • C:\Users\Admin\AppData\Local\Temp\q543aatx9th.exe
        MD5

        096cf7fb05be684e55a5d53b14e9406e

        SHA1

        f3b3364078815e52cc6029075572a25dc17e242b

        SHA256

        ff4cd5950a1d88165b66e3d78216f8f1c0ca7a1a2bd460b4176080195a11a2fd

        SHA512

        26b89f7b79098bc94a278221f2e4abd80e6d568fe9e880fc3744343c8c06db5a2775134c419e1e7d84e214c47cc9cbbb9d019b82552d04bf299c585f1fb456e1

      • C:\Users\Admin\AppData\Local\Temp\q543aatx9th.exe
        MD5

        096cf7fb05be684e55a5d53b14e9406e

        SHA1

        f3b3364078815e52cc6029075572a25dc17e242b

        SHA256

        ff4cd5950a1d88165b66e3d78216f8f1c0ca7a1a2bd460b4176080195a11a2fd

        SHA512

        26b89f7b79098bc94a278221f2e4abd80e6d568fe9e880fc3744343c8c06db5a2775134c419e1e7d84e214c47cc9cbbb9d019b82552d04bf299c585f1fb456e1

      • C:\Users\Admin\AppData\Local\Temp\q543aatx9th.exe
        MD5

        096cf7fb05be684e55a5d53b14e9406e

        SHA1

        f3b3364078815e52cc6029075572a25dc17e242b

        SHA256

        ff4cd5950a1d88165b66e3d78216f8f1c0ca7a1a2bd460b4176080195a11a2fd

        SHA512

        26b89f7b79098bc94a278221f2e4abd80e6d568fe9e880fc3744343c8c06db5a2775134c419e1e7d84e214c47cc9cbbb9d019b82552d04bf299c585f1fb456e1

      • \Users\Admin\AppData\Local\Temp\9v3vv.dll
        MD5

        ff561381a98c59a015d95a8efdb1d6a7

        SHA1

        0116be6300004d38b2ad869f2b93d81a329f5c47

        SHA256

        2591c9b97e1f4599b74cde3302c95f2b867ccd061989d32362f03ca5f8d7358e

        SHA512

        cab5553d602a34944605e6afb7024492e7162fa2cdc46e38b84da93d4a752a6e5e022f82dfe3d7da27579353cec22f2557d78b4578b0e98ef8993e24b0111ace

      • \Users\Admin\AppData\Local\Temp\q543aatx9th.exe
        MD5

        096cf7fb05be684e55a5d53b14e9406e

        SHA1

        f3b3364078815e52cc6029075572a25dc17e242b

        SHA256

        ff4cd5950a1d88165b66e3d78216f8f1c0ca7a1a2bd460b4176080195a11a2fd

        SHA512

        26b89f7b79098bc94a278221f2e4abd80e6d568fe9e880fc3744343c8c06db5a2775134c419e1e7d84e214c47cc9cbbb9d019b82552d04bf299c585f1fb456e1

      • \Users\Admin\AppData\Local\Temp\q543aatx9th.exe
        MD5

        096cf7fb05be684e55a5d53b14e9406e

        SHA1

        f3b3364078815e52cc6029075572a25dc17e242b

        SHA256

        ff4cd5950a1d88165b66e3d78216f8f1c0ca7a1a2bd460b4176080195a11a2fd

        SHA512

        26b89f7b79098bc94a278221f2e4abd80e6d568fe9e880fc3744343c8c06db5a2775134c419e1e7d84e214c47cc9cbbb9d019b82552d04bf299c585f1fb456e1

      • memory/1096-18-0x0000000000000000-mapping.dmp
      • memory/1224-4-0x0000000000000000-mapping.dmp
      • memory/1260-16-0x0000000006BD0000-0x0000000006D6B000-memory.dmp
        Filesize

        1.6MB

      • memory/1260-23-0x00000000049A0000-0x0000000004A43000-memory.dmp
        Filesize

        652KB

      • memory/1676-2-0x0000000075F21000-0x0000000075F23000-memory.dmp
        Filesize

        8KB

      • memory/1692-17-0x0000000000000000-mapping.dmp
      • memory/1692-19-0x0000000000C70000-0x0000000000C7B000-memory.dmp
        Filesize

        44KB

      • memory/1692-20-0x0000000000110000-0x0000000000138000-memory.dmp
        Filesize

        160KB

      • memory/1692-21-0x0000000002080000-0x0000000002383000-memory.dmp
        Filesize

        3.0MB

      • memory/1692-22-0x00000000008E0000-0x000000000096F000-memory.dmp
        Filesize

        572KB

      • memory/1984-13-0x0000000000400000-0x0000000000428000-memory.dmp
        Filesize

        160KB

      • memory/1984-15-0x00000000000F0000-0x0000000000100000-memory.dmp
        Filesize

        64KB

      • memory/1984-14-0x0000000000870000-0x0000000000B73000-memory.dmp
        Filesize

        3.0MB

      • memory/1984-11-0x000000000041D020-mapping.dmp