Analysis

  • max time kernel
    150s
  • max time network
    151s
  • platform
    windows10-1703_x64
  • resource
    win10-20220812-en
  • resource tags

    arch:x64arch:x86image:win10-20220812-enlocale:en-usos:windows10-1703-x64system
  • submitted
    10/11/2022, 11:02

General

  • Target

    3c123f74221db8c253d631d2692b0196bb77b1beea9f99f77c51076d8ad78369.xls

  • Size

    91KB

  • MD5

    a519df11a8d99c330ac7212eaecb5160

  • SHA1

    e3cec2516b84ca154537dd01e3b5223f0eca15cd

  • SHA256

    3c123f74221db8c253d631d2692b0196bb77b1beea9f99f77c51076d8ad78369

  • SHA512

    f2cde8655e1ef64ce7660a7b5fdb169d326e195918fd0cd8a658df9e5ba65e772e518702b2242b4201f96ee038086f8c9aa5d8c43f283d2d3e80dda17129299d

  • SSDEEP

    1536:wKpb8rGYrMPe3q7Q0XV5xtezEsi8/dgGbCXuZH4gb4CEn9J4Z/is9o2:wKpb8rGYrMPe3q7Q0XV5xtezEsi8/dgm

Malware Config

Extracted

Language
xlm4.0
Source
URLs
xlm40.dropper

https://bosny.com/aspnet_client/R50QIOGjmvVlr/

xlm40.dropper

http://navylin.com/autopoisonous/4fZQW/

Extracted

Family

emotet

Botnet

Epoch5

C2

202.28.34.99:8080

80.211.107.116:8080

175.126.176.79:8080

218.38.121.17:443

139.196.72.155:8080

103.71.99.57:8080

87.106.97.83:7080

178.62.112.199:8080

64.227.55.231:8080

46.101.98.60:8080

54.37.228.122:443

128.199.217.206:443

190.145.8.4:443

209.239.112.82:8080

85.214.67.203:8080

198.199.70.22:8080

128.199.242.164:8080

178.238.225.252:8080

103.85.95.4:8080

103.126.216.86:443

eck1.plain
ecs1.plain

Signatures

  • Emotet

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

  • Process spawned unexpected child process 2 IoCs

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

  • Downloads MZ/PE file
  • Loads dropped DLL 2 IoCs
  • Adds Run key to start application 2 TTPs 2 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 6 IoCs
  • Suspicious use of FindShellTrayWindow 1 IoCs
  • Suspicious use of SetWindowsHookEx 6 IoCs
  • Suspicious use of WriteProcessMemory 6 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\3c123f74221db8c253d631d2692b0196bb77b1beea9f99f77c51076d8ad78369.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:2972
    • 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:4852
      • C:\Windows\system32\regsvr32.exe
        C:\Windows\system32\regsvr32.exe "C:\Windows\system32\UtlAuTpVuARFQ\KPAzplhme.dll"
        3⤵
        • Adds Run key to start application
        • Suspicious behavior: EnumeratesProcesses
        PID:4964
    • C:\Windows\System32\regsvr32.exe
      C:\Windows\System32\regsvr32.exe /S ..\elv2.ooocccxxx
      2⤵
      • Process spawned unexpected child process
      • Loads dropped DLL
      PID:916

Network

        MITRE ATT&CK Enterprise v6

        Replay Monitor

        Loading Replay Monitor...

        Downloads

        • C:\Users\Admin\elv1.ooocccxxx

          Filesize

          621KB

          MD5

          66b4491439355f09a830aaabb32dd6c7

          SHA1

          d0fa88a5246e077a31b3d28ddb454bfd01abc6a0

          SHA256

          81c25740c8a58339de9cdb142b02a810e99db1b0f614d79ee8250f8829ad4a81

          SHA512

          f1eba1233e319e968aefaff0b600a4b0ddf474d888d3638b023f6eca159ac0babab0e538b0ba608dacfcc836c79b3ab986709e360a139b928ab1f594c7332e2f

        • C:\Users\Admin\elv2.ooocccxxx

          Filesize

          621KB

          MD5

          aeb676d2fa1854a89f970736dbb6ebf7

          SHA1

          f937c2cd80d116c535113c9a1d85528de0df94ad

          SHA256

          5ae9ca3c9d45304810d3c3eb599a2e33e749e08984941b119ff0a85b8350dd7a

          SHA512

          9f4d0f94b84f299253a8014f9aef49391363e8a620cfecda87e20974190f24b318dfe48bde6ec09a4d63669655063552a6ed837e0f487cb4a373566684c66884

        • \Users\Admin\elv1.ooocccxxx

          Filesize

          621KB

          MD5

          66b4491439355f09a830aaabb32dd6c7

          SHA1

          d0fa88a5246e077a31b3d28ddb454bfd01abc6a0

          SHA256

          81c25740c8a58339de9cdb142b02a810e99db1b0f614d79ee8250f8829ad4a81

          SHA512

          f1eba1233e319e968aefaff0b600a4b0ddf474d888d3638b023f6eca159ac0babab0e538b0ba608dacfcc836c79b3ab986709e360a139b928ab1f594c7332e2f

        • \Users\Admin\elv2.ooocccxxx

          Filesize

          621KB

          MD5

          aeb676d2fa1854a89f970736dbb6ebf7

          SHA1

          f937c2cd80d116c535113c9a1d85528de0df94ad

          SHA256

          5ae9ca3c9d45304810d3c3eb599a2e33e749e08984941b119ff0a85b8350dd7a

          SHA512

          9f4d0f94b84f299253a8014f9aef49391363e8a620cfecda87e20974190f24b318dfe48bde6ec09a4d63669655063552a6ed837e0f487cb4a373566684c66884

        • memory/2972-119-0x00007FFEC81E0000-0x00007FFEC81F0000-memory.dmp

          Filesize

          64KB

        • memory/2972-120-0x00007FFEC81E0000-0x00007FFEC81F0000-memory.dmp

          Filesize

          64KB

        • memory/2972-121-0x00007FFEC81E0000-0x00007FFEC81F0000-memory.dmp

          Filesize

          64KB

        • memory/2972-130-0x00007FFEC4670000-0x00007FFEC4680000-memory.dmp

          Filesize

          64KB

        • memory/2972-131-0x00007FFEC4670000-0x00007FFEC4680000-memory.dmp

          Filesize

          64KB

        • memory/2972-118-0x00007FFEC81E0000-0x00007FFEC81F0000-memory.dmp

          Filesize

          64KB

        • memory/4964-271-0x0000000000A80000-0x0000000000AAE000-memory.dmp

          Filesize

          184KB