Analysis

  • max time kernel
    149s
  • max time network
    152s
  • platform
    windows10-1703_x64
  • resource
    win10-20220812-en
  • resource tags

    arch:x64arch:x86image:win10-20220812-enlocale:en-usos:windows10-1703-x64system
  • submitted
    09/11/2022, 19:15

General

  • Target

    fb816a1b9ff22c57c03219df6113bbb91ef15734513a0b9722165280a990a3e7.xls

  • Size

    91KB

  • MD5

    6d388bfa6a9b5860d91065db186f6d55

  • SHA1

    7b371e3e070d46ce92d18109e7d6317411497e01

  • SHA256

    fb816a1b9ff22c57c03219df6113bbb91ef15734513a0b9722165280a990a3e7

  • SHA512

    a6e775d3cca84547f01ad346346ea7144bf846e595d28709d531c915086bc7b3bea4038ee40f1f8740cef5e48704c7952cd6ca3a410e44dbb3181c301859fc4b

  • SSDEEP

    1536:LKpb8rGYrMPe3q7Q0XV5xtezEsi8/dgEbCXuZH4gb4CEn9J4ZMEM:LKpb8rGYrMPe3q7Q0XV5xtezEsi8/dgF

Malware Config

Extracted

Language
xlm4.0
Source
URLs
xlm40.dropper

http://www.muyehuayi.com/cmp/8asA99KPsyA/v6lUsWbLen/

xlm40.dropper

http://concivilpa.com.py/wp-admin/i3CQu9dzDrMW/

xlm40.dropper

https://wijsneusmedia.nl/cgi-bin/kFB/

xlm40.dropper

http://www.angloextrema.com.br/assets/oEt1yYckHKlnNIq/

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 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\fb816a1b9ff22c57c03219df6113bbb91ef15734513a0b9722165280a990a3e7.xls"
    1⤵
    • Checks processor information in registry
    • Enumerates system info in registry
    • Suspicious behavior: AddClipboardFormatListener
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:1004
    • 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:4584
      • C:\Windows\system32\regsvr32.exe
        C:\Windows\system32\regsvr32.exe "C:\Windows\system32\FJhxk\bpSvwasgAiiL.dll"
        3⤵
        • Adds Run key to start application
        • Suspicious behavior: EnumeratesProcesses
        PID:496
    • C:\Windows\System32\regsvr32.exe
      C:\Windows\System32\regsvr32.exe /S ..\elv2.ooocccxxx
      2⤵
      • Process spawned unexpected child process
      PID:4868
    • 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:1480
      • C:\Windows\system32\regsvr32.exe
        C:\Windows\system32\regsvr32.exe "C:\Windows\system32\VGXyktTUIjrlTpSni\wwTNONveQl.dll"
        3⤵
        • Adds Run key to start application
        • Suspicious behavior: EnumeratesProcesses
        PID:4700
    • 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:784
      • C:\Windows\system32\regsvr32.exe
        C:\Windows\system32\regsvr32.exe "C:\Windows\system32\DFapEvaJNMW\SWLIoJVO.dll"
        3⤵
        • Adds Run key to start application
        • Suspicious behavior: EnumeratesProcesses
        PID:3096

Network

        MITRE ATT&CK Enterprise v6

        Replay Monitor

        Loading Replay Monitor...

        Downloads

        • C:\Users\Admin\elv1.ooocccxxx

          Filesize

          434KB

          MD5

          d12e251df2a5886a8dc018c98db175b2

          SHA1

          018054205fb71632c6b3d20f414c95cf90e73894

          SHA256

          e06298f62b3bede61c45ef2f9c1901fe74f56ce142fda08c03facf2229448ef0

          SHA512

          261d837ec8bce76d9b40158144ff5c9d77987db64af2ad2b431a97142aef8d3f4932edaaee5733af8c5631bed8125c440796d1563f010036526678064bc47881

        • C:\Users\Admin\elv3.ooocccxxx

          Filesize

          434KB

          MD5

          1a48307a6fe1eedfc00909c4dba628e2

          SHA1

          177721c2854b0eda92e11eddb5c19ac8d2f4bf4a

          SHA256

          62e9764e9f3687f0afcd295c171241f1c0f133592a5e5184d95e9365029a36c8

          SHA512

          24f8c6429290b8503b5402579a563be968f009b2e2ff0a4a5a8dda37567e68075d5aaeda3c3da3b382dd02f14d6cd93f8305a148bb8b7849e7f3fa79238b63ea

        • C:\Users\Admin\elv4.ooocccxxx

          Filesize

          434KB

          MD5

          414ff0a2e4731e3dd9427df098233819

          SHA1

          850f35574fdafe22df9a02fe04ad69ee2a286e1e

          SHA256

          163187b153de523c3f3786a350d4f53e34c36808a81bcad3d84cefd944226130

          SHA512

          4b351891a7f507904318abf171a3b788cd542881af94738b7983956a43212290e36ec7087072e78d96cb95b86a1d727f7c939557dacc74fe926b21909f5e9b10

        • \Users\Admin\elv1.ooocccxxx

          Filesize

          434KB

          MD5

          d12e251df2a5886a8dc018c98db175b2

          SHA1

          018054205fb71632c6b3d20f414c95cf90e73894

          SHA256

          e06298f62b3bede61c45ef2f9c1901fe74f56ce142fda08c03facf2229448ef0

          SHA512

          261d837ec8bce76d9b40158144ff5c9d77987db64af2ad2b431a97142aef8d3f4932edaaee5733af8c5631bed8125c440796d1563f010036526678064bc47881

        • \Users\Admin\elv3.ooocccxxx

          Filesize

          434KB

          MD5

          1a48307a6fe1eedfc00909c4dba628e2

          SHA1

          177721c2854b0eda92e11eddb5c19ac8d2f4bf4a

          SHA256

          62e9764e9f3687f0afcd295c171241f1c0f133592a5e5184d95e9365029a36c8

          SHA512

          24f8c6429290b8503b5402579a563be968f009b2e2ff0a4a5a8dda37567e68075d5aaeda3c3da3b382dd02f14d6cd93f8305a148bb8b7849e7f3fa79238b63ea

        • \Users\Admin\elv4.ooocccxxx

          Filesize

          434KB

          MD5

          414ff0a2e4731e3dd9427df098233819

          SHA1

          850f35574fdafe22df9a02fe04ad69ee2a286e1e

          SHA256

          163187b153de523c3f3786a350d4f53e34c36808a81bcad3d84cefd944226130

          SHA512

          4b351891a7f507904318abf171a3b788cd542881af94738b7983956a43212290e36ec7087072e78d96cb95b86a1d727f7c939557dacc74fe926b21909f5e9b10

        • memory/1004-127-0x00007FFC722E0000-0x00007FFC722F0000-memory.dmp

          Filesize

          64KB

        • memory/1004-356-0x00007FFC75C00000-0x00007FFC75C10000-memory.dmp

          Filesize

          64KB

        • memory/1004-357-0x00007FFC75C00000-0x00007FFC75C10000-memory.dmp

          Filesize

          64KB

        • memory/1004-355-0x00007FFC75C00000-0x00007FFC75C10000-memory.dmp

          Filesize

          64KB

        • memory/1004-115-0x00007FFC75C00000-0x00007FFC75C10000-memory.dmp

          Filesize

          64KB

        • memory/1004-128-0x00007FFC722E0000-0x00007FFC722F0000-memory.dmp

          Filesize

          64KB

        • memory/1004-118-0x00007FFC75C00000-0x00007FFC75C10000-memory.dmp

          Filesize

          64KB

        • memory/1004-117-0x00007FFC75C00000-0x00007FFC75C10000-memory.dmp

          Filesize

          64KB

        • memory/1004-354-0x00007FFC75C00000-0x00007FFC75C10000-memory.dmp

          Filesize

          64KB

        • memory/1004-116-0x00007FFC75C00000-0x00007FFC75C10000-memory.dmp

          Filesize

          64KB

        • memory/4584-279-0x0000000180000000-0x0000000180030000-memory.dmp

          Filesize

          192KB