Analysis

  • max time kernel
    148s
  • max time network
    148s
  • platform
    windows10-1703_x64
  • resource
    win10-20220901-en
  • resource tags

    arch:x64arch:x86image:win10-20220901-enlocale:en-usos:windows10-1703-x64system
  • submitted
    09/11/2022, 19:12

General

  • Target

    673b59f757ef341d828ec79553a3fa43c73a1ded66050c063adc842233f3e000.xls

  • Size

    91KB

  • MD5

    aeddeb4c52d372f13acbf8ed9b805773

  • SHA1

    b860e8925f809b4e3007b4792c4e1e71fa3070e9

  • SHA256

    673b59f757ef341d828ec79553a3fa43c73a1ded66050c063adc842233f3e000

  • SHA512

    a176b4b9bb8d3ea4e963d4ba02ce09d7339827c66637cf6d218ee94abb9e5da6d2731d624b6ddcc74680242092ff85366252081857cca21a4eee0265e05bd864

  • SSDEEP

    1536:LKpb8rGYrMPe3q7Q0XV5xtezEsi8/dg2bCXuZH4gb4CEn9J4ZGcvp:LKpb8rGYrMPe3q7Q0XV5xtezEsi8/dgO

Malware Config

Extracted

Language
xlm4.0
Source
URLs
xlm40.dropper

http://bundlefilm.com/headers/lkfBH3Czw9CjEW07P2/

xlm40.dropper

http://camsanparke.net/wp-content/h2Ja5bwB03hnyfCb/

xlm40.dropper

http://royreid.co.uk/wp-content/dCwG/

xlm40.dropper

https://cs.com.sg/admin/a1lR5wu/

Extracted

Family

emotet

Botnet

Epoch5

C2

178.238.225.252:8080

139.196.72.155:8080

36.67.23.59:443

103.56.149.105:8080

37.44.244.177:8080

85.25.120.45:8080

202.134.4.210:7080

78.47.204.80:443

83.229.80.93:8080

93.104.209.107:8080

80.211.107.116:8080

165.22.254.236:8080

104.244.79.94:443

185.148.169.10:8080

190.145.8.4:443

175.126.176.79:8080

139.59.80.108:8080

188.165.79.151:443

128.199.217.206:443

64.227.55.231:8080

ecs1.plain
eck1.plain

Signatures

  • Emotet

    Emotet is a trojan that is primarily spread through spam emails.

  • Process spawned unexpected child process 4 IoCs

    This typically indicates the parent process was compromised via an exploit or macro.

  • Downloads MZ/PE file
  • Loads dropped DLL 4 IoCs
  • Adds Run key to start application 2 TTPs 8 IoCs
  • Checks processor information in registry 2 TTPs 3 IoCs

    Processor information is often read in order to detect sandboxing environments.

  • Enumerates system info in registry 2 TTPs 3 IoCs
  • Suspicious behavior: AddClipboardFormatListener 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 24 IoCs
  • Suspicious use of FindShellTrayWindow 2 IoCs
  • Suspicious use of SetWindowsHookEx 12 IoCs
  • Suspicious use of WriteProcessMemory 16 IoCs

Processes

  • C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE
    "C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE" "C:\Users\Admin\AppData\Local\Temp\673b59f757ef341d828ec79553a3fa43c73a1ded66050c063adc842233f3e000.xls"
    1⤵
    • Checks processor information in registry
    • Enumerates system info in registry
    • Suspicious behavior: AddClipboardFormatListener
    • Suspicious use of FindShellTrayWindow
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:64
    • C:\Windows\System32\regsvr32.exe
      C:\Windows\System32\regsvr32.exe /S ..\elv1.ooocccxxx
      2⤵
      • Process spawned unexpected child process
      • Loads dropped DLL
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of WriteProcessMemory
      PID:4316
      • C:\Windows\system32\regsvr32.exe
        C:\Windows\system32\regsvr32.exe "C:\Windows\system32\JbaVweXLrM\OswcfHyTuPSC.dll"
        3⤵
        • Adds Run key to start application
        • Suspicious behavior: EnumeratesProcesses
        PID:3184
    • C:\Windows\System32\regsvr32.exe
      C:\Windows\System32\regsvr32.exe /S ..\elv2.ooocccxxx
      2⤵
      • Process spawned unexpected child process
      • Loads dropped DLL
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of WriteProcessMemory
      PID:4668
      • C:\Windows\system32\regsvr32.exe
        C:\Windows\system32\regsvr32.exe "C:\Windows\system32\AKbMUvM\tRKzVxwFcE.dll"
        3⤵
        • Adds Run key to start application
        • Suspicious behavior: EnumeratesProcesses
        PID:1684
    • C:\Windows\System32\regsvr32.exe
      C:\Windows\System32\regsvr32.exe /S ..\elv3.ooocccxxx
      2⤵
      • Process spawned unexpected child process
      • Loads dropped DLL
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of WriteProcessMemory
      PID:3152
      • C:\Windows\system32\regsvr32.exe
        C:\Windows\system32\regsvr32.exe "C:\Windows\system32\XPNSKFARkfq\TCIMZUFaRo.dll"
        3⤵
        • Adds Run key to start application
        • Suspicious behavior: EnumeratesProcesses
        PID:304
    • C:\Windows\System32\regsvr32.exe
      C:\Windows\System32\regsvr32.exe /S ..\elv4.ooocccxxx
      2⤵
      • Process spawned unexpected child process
      • Loads dropped DLL
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of WriteProcessMemory
      PID:2008
      • C:\Windows\system32\regsvr32.exe
        C:\Windows\system32\regsvr32.exe "C:\Windows\system32\KXfXoUugthEDs\sCKrZjK.dll"
        3⤵
        • Adds Run key to start application
        • Suspicious behavior: EnumeratesProcesses
        PID:1656

Network

        MITRE ATT&CK Enterprise v6

        Replay Monitor

        Loading Replay Monitor...

        Downloads

        • C:\Users\Admin\elv1.ooocccxxx

          Filesize

          434KB

          MD5

          7a89b7f5de94fa2aaace9a935ef1eb3e

          SHA1

          cc487fc865651d08006741cd6e96553ce11f1203

          SHA256

          d390ede4dc13af94b97d68c1ad2576035e0ae798550a4e5ca0132bc0ad499919

          SHA512

          3e017d0ab4e97826962e5b4089382e0050c7c92ffa6518ebc937a903c3fd54ad2cbaec550bd62ae86223a90cbfb61699e6baa6dc9fc38db8e75dd9a80314cbd3

        • C:\Users\Admin\elv2.ooocccxxx

          Filesize

          434KB

          MD5

          24331d01d16956330a64a0da12adf2ea

          SHA1

          63c098027f96fedbd8a4f5ed0ec8d981aa3c78c1

          SHA256

          70db66e2ab38fde9b3935b95e0e8534e72c959c66cae5490cb40d427bc09cf55

          SHA512

          390ad7d4c06b5c6f94cfd27cae1b1432fbac0d6d8ebfbca29691b916af1b7470a5fc3d04514c2b86f569a963431a7aad6f724a5d33888e85985bb0545618a191

        • C:\Users\Admin\elv3.ooocccxxx

          Filesize

          434KB

          MD5

          8072e3face47e3ef56c8c5801c7f19df

          SHA1

          a66d50f34cbaa2c3ca677d488baddd579949d593

          SHA256

          976a51c38a92bf1c301d7f6054fe84a2f7f42291dfab44e4ddb6a8bc887886c5

          SHA512

          bd2f4a63ee77743d0ea64f249b54529249c06f9121e74fa2520e21b5e3d5c7d969c02369117de836c6d515129369bda0df9be5e9b5cb9751897b17674d6fc8d1

        • C:\Users\Admin\elv4.ooocccxxx

          Filesize

          434KB

          MD5

          691ecff2e5acc42434712b64a8f01a90

          SHA1

          f7a06fb5a495bbbdd70ddf9757fac7e76e395df7

          SHA256

          ddd01651b9db906d977b53e95c2ee4637489c53189563d0b300c1aa2a95f5449

          SHA512

          0ae0f18142d5bc035777e5668325fa78a5f2d7edcba275bc9919d65faf868e9fbb495381fb4e09f06f4ba7a6e42655160e8e184c5b504457c5fbfce5277676f4

        • \Users\Admin\elv1.ooocccxxx

          Filesize

          434KB

          MD5

          7a89b7f5de94fa2aaace9a935ef1eb3e

          SHA1

          cc487fc865651d08006741cd6e96553ce11f1203

          SHA256

          d390ede4dc13af94b97d68c1ad2576035e0ae798550a4e5ca0132bc0ad499919

          SHA512

          3e017d0ab4e97826962e5b4089382e0050c7c92ffa6518ebc937a903c3fd54ad2cbaec550bd62ae86223a90cbfb61699e6baa6dc9fc38db8e75dd9a80314cbd3

        • \Users\Admin\elv2.ooocccxxx

          Filesize

          434KB

          MD5

          24331d01d16956330a64a0da12adf2ea

          SHA1

          63c098027f96fedbd8a4f5ed0ec8d981aa3c78c1

          SHA256

          70db66e2ab38fde9b3935b95e0e8534e72c959c66cae5490cb40d427bc09cf55

          SHA512

          390ad7d4c06b5c6f94cfd27cae1b1432fbac0d6d8ebfbca29691b916af1b7470a5fc3d04514c2b86f569a963431a7aad6f724a5d33888e85985bb0545618a191

        • \Users\Admin\elv3.ooocccxxx

          Filesize

          434KB

          MD5

          8072e3face47e3ef56c8c5801c7f19df

          SHA1

          a66d50f34cbaa2c3ca677d488baddd579949d593

          SHA256

          976a51c38a92bf1c301d7f6054fe84a2f7f42291dfab44e4ddb6a8bc887886c5

          SHA512

          bd2f4a63ee77743d0ea64f249b54529249c06f9121e74fa2520e21b5e3d5c7d969c02369117de836c6d515129369bda0df9be5e9b5cb9751897b17674d6fc8d1

        • \Users\Admin\elv4.ooocccxxx

          Filesize

          434KB

          MD5

          691ecff2e5acc42434712b64a8f01a90

          SHA1

          f7a06fb5a495bbbdd70ddf9757fac7e76e395df7

          SHA256

          ddd01651b9db906d977b53e95c2ee4637489c53189563d0b300c1aa2a95f5449

          SHA512

          0ae0f18142d5bc035777e5668325fa78a5f2d7edcba275bc9919d65faf868e9fbb495381fb4e09f06f4ba7a6e42655160e8e184c5b504457c5fbfce5277676f4

        • memory/64-121-0x00007FFF4CAC0000-0x00007FFF4CAD0000-memory.dmp

          Filesize

          64KB

        • memory/64-132-0x00007FFF49220000-0x00007FFF49230000-memory.dmp

          Filesize

          64KB

        • memory/64-123-0x00007FFF4CAC0000-0x00007FFF4CAD0000-memory.dmp

          Filesize

          64KB

        • memory/64-122-0x00007FFF4CAC0000-0x00007FFF4CAD0000-memory.dmp

          Filesize

          64KB

        • memory/64-133-0x00007FFF49220000-0x00007FFF49230000-memory.dmp

          Filesize

          64KB

        • memory/64-120-0x00007FFF4CAC0000-0x00007FFF4CAD0000-memory.dmp

          Filesize

          64KB

        • memory/4316-257-0x0000000180000000-0x0000000180030000-memory.dmp

          Filesize

          192KB