Analysis

  • max time kernel
    144s
  • max time network
    129s
  • platform
    windows10-1703_x64
  • resource
    win10-20220901-en
  • resource tags

    arch:x64arch:x86image:win10-20220901-enlocale:en-usos:windows10-1703-x64system
  • submitted
    10/11/2022, 10:50

General

  • Target

    271d33b512c4ee37e4838eb1d7393de085e387b20d493304eb356bfa60b24e63.xls

  • Size

    91KB

  • MD5

    1c0c9828138572c16ac97ad41780ecc0

  • SHA1

    eaa0ec1617d83d5afcd3a2ebe689472949906457

  • SHA256

    271d33b512c4ee37e4838eb1d7393de085e387b20d493304eb356bfa60b24e63

  • SHA512

    0b24cf4df9130dbe11b7e121e674108749c6605e6fc7ec67d07a660c1c08b8a50077a7ed5fa60a8df9a032ecefc2c3c5d49cfda04011428f27c1e3333e42ff76

  • SSDEEP

    1536:wKpb8rGYrMPe3q7Q0XV5xtezEsi8/dgGbCXuZH4gb4CEn9J4Z/Cs9o2:wKpb8rGYrMPe3q7Q0XV5xtezEsi8/dgG

Malware Config

Extracted

Language
xlm4.0
Source
URLs
xlm40.dropper

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

xlm40.dropper

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

xlm40.dropper

http://asrani.garudaputih.com/nutabalong/bJYqoUIr99qNfoPDx/

xlm40.dropper

http://db.rikaz.tech/lCx76IlkrBtEsqNFA7/zPYJzpOnzstNOiRHob/

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 2 IoCs
  • Adds Run key to start application 2 TTPs 4 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 12 IoCs
  • Suspicious use of SetWindowsHookEx 12 IoCs
  • Suspicious use of WriteProcessMemory 12 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\271d33b512c4ee37e4838eb1d7393de085e387b20d493304eb356bfa60b24e63.xls"
    1⤵
    • Checks processor information in registry
    • Enumerates system info in registry
    • Suspicious behavior: AddClipboardFormatListener
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:2744
    • 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:4528
      • C:\Windows\system32\regsvr32.exe
        C:\Windows\system32\regsvr32.exe "C:\Windows\system32\LlIGTibwSza\gtKgYNgcl.dll"
        3⤵
        • Adds Run key to start application
        • Suspicious behavior: EnumeratesProcesses
        PID:4412
    • 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:3088
      • C:\Windows\system32\regsvr32.exe
        C:\Windows\system32\regsvr32.exe "C:\Windows\system32\MEzrC\iFDkKRn.dll"
        3⤵
        • Adds Run key to start application
        • Suspicious behavior: EnumeratesProcesses
        PID:1944
    • C:\Windows\System32\regsvr32.exe
      C:\Windows\System32\regsvr32.exe /S ..\elv3.ooocccxxx
      2⤵
      • Process spawned unexpected child process
      PID:1640
    • C:\Windows\System32\regsvr32.exe
      C:\Windows\System32\regsvr32.exe /S ..\elv4.ooocccxxx
      2⤵
      • Process spawned unexpected child process
      PID:1464

Network

        MITRE ATT&CK Enterprise v6

        Replay Monitor

        Loading Replay Monitor...

        Downloads

        • C:\Users\Admin\elv1.ooocccxxx

          Filesize

          621KB

          MD5

          83b59fb810300c2dbddf3f7d739d25a4

          SHA1

          aa67e33414d97d297a3b86871dd6a9275fdb71d1

          SHA256

          6b2be1e6753c8b1d69abec430562268775c00784b0a2f4cf2c5e499f98a7bfdf

          SHA512

          c32ee574b86086d986b7177bbc011da11ad647ca8e3edbb76a6901a92fbc197d987f63b45c923aa273023ff070548caf712578e26a84f85c2eeea781ca55661a

        • C:\Users\Admin\elv2.ooocccxxx

          Filesize

          621KB

          MD5

          64ef5cf1771ab08a49f3d94a54c55719

          SHA1

          e25c8f5afb72302f27bfbbc7cc71f8b792ecf27f

          SHA256

          35176c03296bdc5b1e485185858246f417ebf474b1c0ad7b55b3fd88630deced

          SHA512

          5c0cedf9da6fd9bbadfb0c15215a64d8617d588a08d075e5b7458f70fa76c9ce4377a681f04d75ee5705e1aff75d9f6d5277148a06f88e65b67300b04d293859

        • \Users\Admin\elv1.ooocccxxx

          Filesize

          621KB

          MD5

          83b59fb810300c2dbddf3f7d739d25a4

          SHA1

          aa67e33414d97d297a3b86871dd6a9275fdb71d1

          SHA256

          6b2be1e6753c8b1d69abec430562268775c00784b0a2f4cf2c5e499f98a7bfdf

          SHA512

          c32ee574b86086d986b7177bbc011da11ad647ca8e3edbb76a6901a92fbc197d987f63b45c923aa273023ff070548caf712578e26a84f85c2eeea781ca55661a

        • \Users\Admin\elv2.ooocccxxx

          Filesize

          621KB

          MD5

          64ef5cf1771ab08a49f3d94a54c55719

          SHA1

          e25c8f5afb72302f27bfbbc7cc71f8b792ecf27f

          SHA256

          35176c03296bdc5b1e485185858246f417ebf474b1c0ad7b55b3fd88630deced

          SHA512

          5c0cedf9da6fd9bbadfb0c15215a64d8617d588a08d075e5b7458f70fa76c9ce4377a681f04d75ee5705e1aff75d9f6d5277148a06f88e65b67300b04d293859

        • memory/2744-132-0x00007FFC8E0F0000-0x00007FFC8E100000-memory.dmp

          Filesize

          64KB

        • memory/2744-133-0x00007FFC8E0F0000-0x00007FFC8E100000-memory.dmp

          Filesize

          64KB

        • memory/2744-122-0x00007FFC91840000-0x00007FFC91850000-memory.dmp

          Filesize

          64KB

        • memory/2744-120-0x00007FFC91840000-0x00007FFC91850000-memory.dmp

          Filesize

          64KB

        • memory/2744-123-0x00007FFC91840000-0x00007FFC91850000-memory.dmp

          Filesize

          64KB

        • memory/2744-121-0x00007FFC91840000-0x00007FFC91850000-memory.dmp

          Filesize

          64KB

        • memory/4412-297-0x00000000026E0000-0x000000000270E000-memory.dmp

          Filesize

          184KB