Analysis

  • max time kernel
    100s
  • max time network
    128s
  • 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, 10:46

General

  • Target

    5ebf1f048c8d3536da7dbba181ef136bac22b34df22508539f38c764cb2be854.xls

  • Size

    91KB

  • MD5

    4dd392def46b8bf0dd22537071359f10

  • SHA1

    9fb424af268e37ba18ad4639e447a02606324471

  • SHA256

    5ebf1f048c8d3536da7dbba181ef136bac22b34df22508539f38c764cb2be854

  • SHA512

    b439b4bd6b3cfe478ba77a9b8a45f9b13b880721ee4197d2247b6733a101534427838a0f7797d99366efbcfbc11ccff060f104d258f4e385094002a0952edd50

  • SSDEEP

    1536:eKpb8rGYrMPe3q7Q0XV5xtezEsi8/dgqbCXuZH4gb4CEn9J4ZXz3:eKpb8rGYrMPe3q7Q0XV5xtezEsi8/dgu

Malware Config

Extracted

Language
xlm4.0
Source
URLs
xlm40.dropper

https://www.conceptagency.net/css/b8eaKN/

xlm40.dropper

https://bencevendeghaz.hu/2zjoi/cwfKJOzA/

xlm40.dropper

http://45.32.114.141/xilte/Uqm6Eysf3Hkjwh/

xlm40.dropper

http://ruitaiwz.com/wp-admin/MXlp5IsUKwT1k0DtzT/

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 4 IoCs

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

  • Downloads MZ/PE file
  • Loads dropped DLL 3 IoCs
  • Adds Run key to start application 2 TTPs 6 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 18 IoCs
  • Suspicious use of SetWindowsHookEx 12 IoCs
  • Suspicious use of WriteProcessMemory 14 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\5ebf1f048c8d3536da7dbba181ef136bac22b34df22508539f38c764cb2be854.xls"
    1⤵
    • Checks processor information in registry
    • Enumerates system info in registry
    • Suspicious behavior: AddClipboardFormatListener
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:2836
    • 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:5084
      • C:\Windows\system32\regsvr32.exe
        C:\Windows\system32\regsvr32.exe "C:\Windows\system32\RttvatU\GbtepNggP.dll"
        3⤵
        • Adds Run key to start application
        • Suspicious behavior: EnumeratesProcesses
        PID:4564
    • 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:4556
      • C:\Windows\system32\regsvr32.exe
        C:\Windows\system32\regsvr32.exe "C:\Windows\system32\CqQOHetFGgjyRJa\inAKPUnPH.dll"
        3⤵
        • Adds Run key to start application
        • Suspicious behavior: EnumeratesProcesses
        PID:800
    • C:\Windows\System32\regsvr32.exe
      C:\Windows\System32\regsvr32.exe /S ..\elv3.ooocccxxx
      2⤵
      • Process spawned unexpected child process
      PID:732
    • 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:32
      • C:\Windows\system32\regsvr32.exe
        C:\Windows\system32\regsvr32.exe "C:\Windows\system32\MBtpBemChn\YLAcZO.dll"
        3⤵
        • Adds Run key to start application
        • Suspicious behavior: EnumeratesProcesses
        PID:2296

Network

        MITRE ATT&CK Enterprise v6

        Replay Monitor

        Loading Replay Monitor...

        Downloads

        • C:\Users\Admin\elv1.ooocccxxx

          Filesize

          621KB

          MD5

          d3939ddb4bc6489d93abbe27357c343a

          SHA1

          e52999b881200818ea801c44e3c4645f0501f582

          SHA256

          df774d7b5b0f5e44f6047486ff3641e298208621a1f217027c71e0a874a65313

          SHA512

          d3d969c163fdfaee7213741cc8a79ab4685522a53241550c92c17d96577c406e59687eabb79b8d9f070bf98f53822fc0f66e60a08779f47a3eb20cb20ffe108a

        • C:\Users\Admin\elv2.ooocccxxx

          Filesize

          621KB

          MD5

          e13fecff6dc982531324cdba4f224d1d

          SHA1

          0de9ca7b8770ce588684237d2739d456bc64dade

          SHA256

          78b7f834255ee4c7e897393c70172de692415c784bcaeedf1cd304fe1ce401e0

          SHA512

          0e159d00676d286d104631f80a1989e308037fde82ddae495628866a1ad49059705fb9c47d7f612a108bbbb0d3f540695782dec3c4b389a56c4ac91a28a8653b

        • C:\Users\Admin\elv4.ooocccxxx

          Filesize

          621KB

          MD5

          367f5a09ff767c1961c5e32ffb7c3df6

          SHA1

          209c1fb954f11624895012663d34a01cf330b161

          SHA256

          8b92d9155e6bb80c94deb9a3d0c623286e3bd4be90b68ac1be3b8d12ad06697a

          SHA512

          4b2317b0c0bef2b2f948d7eccd36c7adced411437519b00e46de8921d3f720103c5b07d1f97dcb0363572d0d3930ae98bcab60812e8d0e8aa680619241585664

        • \Users\Admin\elv1.ooocccxxx

          Filesize

          621KB

          MD5

          d3939ddb4bc6489d93abbe27357c343a

          SHA1

          e52999b881200818ea801c44e3c4645f0501f582

          SHA256

          df774d7b5b0f5e44f6047486ff3641e298208621a1f217027c71e0a874a65313

          SHA512

          d3d969c163fdfaee7213741cc8a79ab4685522a53241550c92c17d96577c406e59687eabb79b8d9f070bf98f53822fc0f66e60a08779f47a3eb20cb20ffe108a

        • \Users\Admin\elv2.ooocccxxx

          Filesize

          621KB

          MD5

          e13fecff6dc982531324cdba4f224d1d

          SHA1

          0de9ca7b8770ce588684237d2739d456bc64dade

          SHA256

          78b7f834255ee4c7e897393c70172de692415c784bcaeedf1cd304fe1ce401e0

          SHA512

          0e159d00676d286d104631f80a1989e308037fde82ddae495628866a1ad49059705fb9c47d7f612a108bbbb0d3f540695782dec3c4b389a56c4ac91a28a8653b

        • \Users\Admin\elv4.ooocccxxx

          Filesize

          621KB

          MD5

          367f5a09ff767c1961c5e32ffb7c3df6

          SHA1

          209c1fb954f11624895012663d34a01cf330b161

          SHA256

          8b92d9155e6bb80c94deb9a3d0c623286e3bd4be90b68ac1be3b8d12ad06697a

          SHA512

          4b2317b0c0bef2b2f948d7eccd36c7adced411437519b00e46de8921d3f720103c5b07d1f97dcb0363572d0d3930ae98bcab60812e8d0e8aa680619241585664

        • memory/2836-115-0x00007FFC671D0000-0x00007FFC671E0000-memory.dmp

          Filesize

          64KB

        • memory/2836-352-0x00007FFC671D0000-0x00007FFC671E0000-memory.dmp

          Filesize

          64KB

        • memory/2836-118-0x00007FFC671D0000-0x00007FFC671E0000-memory.dmp

          Filesize

          64KB

        • memory/2836-117-0x00007FFC671D0000-0x00007FFC671E0000-memory.dmp

          Filesize

          64KB

        • memory/2836-355-0x00007FFC671D0000-0x00007FFC671E0000-memory.dmp

          Filesize

          64KB

        • memory/2836-354-0x00007FFC671D0000-0x00007FFC671E0000-memory.dmp

          Filesize

          64KB

        • memory/2836-127-0x00007FFC64580000-0x00007FFC64590000-memory.dmp

          Filesize

          64KB

        • memory/2836-116-0x00007FFC671D0000-0x00007FFC671E0000-memory.dmp

          Filesize

          64KB

        • memory/2836-353-0x00007FFC671D0000-0x00007FFC671E0000-memory.dmp

          Filesize

          64KB

        • memory/2836-128-0x00007FFC64580000-0x00007FFC64590000-memory.dmp

          Filesize

          64KB

        • memory/5084-278-0x0000000001280000-0x00000000012AE000-memory.dmp

          Filesize

          184KB