Analysis

  • max time kernel
    101s
  • max time network
    148s
  • platform
    windows10-1703_x64
  • resource
    win10-20220812-en
  • resource tags

    arch:x64arch:x86image:win10-20220812-enlocale:en-usos:windows10-1703-x64system
  • submitted
    04/11/2022, 06:53

General

  • Target

    b2bf30b087250863e894893f77158eb6c2290fa7d58a28e57159d52b2c5c0175.xls

  • Size

    217KB

  • MD5

    e0fc028f8b26c9f9a2acf3d9041b32cf

  • SHA1

    5e2d7dd7389206f0acfcd9595cb271abc9a35542

  • SHA256

    b2bf30b087250863e894893f77158eb6c2290fa7d58a28e57159d52b2c5c0175

  • SHA512

    b9aab7dcc1e16d986d1c3795e3c7ac67285b8f31bf4c580f8baa55174bf54c6400737386cf74d90f9588ab03fbc0de56e79357dd20beaeb7f4b9c3dba5790494

  • SSDEEP

    6144:zKpb8rGYrMPe3q7Q0XV5xtuEsi8/dglyY+TAQXTHGUMEyP5p6f5jQmI:JbGUMVWlbI

Malware Config

Extracted

Language
xlm4.0
Source
URLs
xlm40.dropper

http://aquariorecords.com.br/wp-content/A8G3ownNApEj1L4hF/

xlm40.dropper

http://ftp.pricoat.com.mx/Fichas/3ybJLLXu5zqqn8Sx/

xlm40.dropper

http://armannahalpersian.ir/3H5qqUOB/

xlm40.dropper

http://alagi.ge/application/irnz5Rs8qWvQrf/

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 FindShellTrayWindow 2 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\b2bf30b087250863e894893f77158eb6c2290fa7d58a28e57159d52b2c5c0175.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:2344
    • C:\Windows\System32\regsvr32.exe
      C:\Windows\System32\regsvr32.exe /S ..\oxnv1.ooccxx
      2⤵
      • Process spawned unexpected child process
      PID:4900
    • C:\Windows\System32\regsvr32.exe
      C:\Windows\System32\regsvr32.exe /S ..\oxnv2.ooccxx
      2⤵
      • Process spawned unexpected child process
      • Loads dropped DLL
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of WriteProcessMemory
      PID:4492
      • C:\Windows\system32\regsvr32.exe
        C:\Windows\system32\regsvr32.exe "C:\Windows\system32\EHxMurFEWZfkifUy\kfUFyDZkiScl.dll"
        3⤵
        • Adds Run key to start application
        • Suspicious behavior: EnumeratesProcesses
        PID:4512
    • C:\Windows\System32\regsvr32.exe
      C:\Windows\System32\regsvr32.exe /S ..\oxnv3.ooccxx
      2⤵
      • Process spawned unexpected child process
      • Loads dropped DLL
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of WriteProcessMemory
      PID:4472
      • C:\Windows\system32\regsvr32.exe
        C:\Windows\system32\regsvr32.exe "C:\Windows\system32\ZbEaScfosC\jKOQmP.dll"
        3⤵
        • Adds Run key to start application
        • Suspicious behavior: EnumeratesProcesses
        PID:4364
    • C:\Windows\System32\regsvr32.exe
      C:\Windows\System32\regsvr32.exe /S ..\oxnv4.ooccxx
      2⤵
      • Process spawned unexpected child process
      • Loads dropped DLL
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of WriteProcessMemory
      PID:1880
      • C:\Windows\system32\regsvr32.exe
        C:\Windows\system32\regsvr32.exe "C:\Windows\system32\ELmkMhLGvts\qQLW.dll"
        3⤵
        • Adds Run key to start application
        • Suspicious behavior: EnumeratesProcesses
        PID:1224

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

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Downloads

  • C:\Users\Admin\oxnv2.ooccxx

    Filesize

    751KB

    MD5

    3c809bce2c5bae8822a0262290f7bc3d

    SHA1

    789de8c798ed92745948e70e4a1b5a3c902751ba

    SHA256

    159c107eb00bf488e1011c78f37acd05cea796a61b9b325401d2ddc0a3ae2d7e

    SHA512

    5a3fdc94743ad86bbfbc502c36538dd8a47e02999d741124088732cc9b6690623e2918b221ef7ec5ce2bd7a92631615cb62ec3c3e47574eedde80d6a40bb531f

  • C:\Users\Admin\oxnv3.ooccxx

    Filesize

    751KB

    MD5

    a2d031cf0f8eb50b6d89ada2db501b0b

    SHA1

    9e1fb3523535e7434c6b19650eceec1cdcf2ef57

    SHA256

    4478dc3cf8b152ae41f4beda3516b586e7312f7c9d6d6692049b9f58ba9314fa

    SHA512

    b61a380f5a47fc8cc583e76ccaae7149bdb68c93b104a83468743a6bbcc229a4e4e7cfb4855d84a9d58d38a98b84479a455310537055eb54246a9458794de1dd

  • C:\Users\Admin\oxnv4.ooccxx

    Filesize

    751KB

    MD5

    b2fd6a483da316db307fbfe40af348b3

    SHA1

    0f1cf6641eda06fbead950205df031341a01e72d

    SHA256

    73a06b1602799ce82db078a8fb7399b076309d8e9eada9b7840917f033c19229

    SHA512

    6a98a118a8c404da1c4245e88f125b790ab03ef25b899d49a415770e487b0883761ac918a37ef0661026b9bca5f9f5fa294564748628f56e52a97d3bad722c0b

  • \Users\Admin\oxnv2.ooccxx

    Filesize

    751KB

    MD5

    3c809bce2c5bae8822a0262290f7bc3d

    SHA1

    789de8c798ed92745948e70e4a1b5a3c902751ba

    SHA256

    159c107eb00bf488e1011c78f37acd05cea796a61b9b325401d2ddc0a3ae2d7e

    SHA512

    5a3fdc94743ad86bbfbc502c36538dd8a47e02999d741124088732cc9b6690623e2918b221ef7ec5ce2bd7a92631615cb62ec3c3e47574eedde80d6a40bb531f

  • \Users\Admin\oxnv3.ooccxx

    Filesize

    751KB

    MD5

    a2d031cf0f8eb50b6d89ada2db501b0b

    SHA1

    9e1fb3523535e7434c6b19650eceec1cdcf2ef57

    SHA256

    4478dc3cf8b152ae41f4beda3516b586e7312f7c9d6d6692049b9f58ba9314fa

    SHA512

    b61a380f5a47fc8cc583e76ccaae7149bdb68c93b104a83468743a6bbcc229a4e4e7cfb4855d84a9d58d38a98b84479a455310537055eb54246a9458794de1dd

  • \Users\Admin\oxnv4.ooccxx

    Filesize

    751KB

    MD5

    b2fd6a483da316db307fbfe40af348b3

    SHA1

    0f1cf6641eda06fbead950205df031341a01e72d

    SHA256

    73a06b1602799ce82db078a8fb7399b076309d8e9eada9b7840917f033c19229

    SHA512

    6a98a118a8c404da1c4245e88f125b790ab03ef25b899d49a415770e487b0883761ac918a37ef0661026b9bca5f9f5fa294564748628f56e52a97d3bad722c0b

  • memory/2344-130-0x00007FFEF20A0000-0x00007FFEF20B0000-memory.dmp

    Filesize

    64KB

  • memory/2344-333-0x00007FFEF57F0000-0x00007FFEF5800000-memory.dmp

    Filesize

    64KB

  • memory/2344-332-0x00007FFEF57F0000-0x00007FFEF5800000-memory.dmp

    Filesize

    64KB

  • memory/2344-331-0x00007FFEF57F0000-0x00007FFEF5800000-memory.dmp

    Filesize

    64KB

  • memory/2344-118-0x00007FFEF57F0000-0x00007FFEF5800000-memory.dmp

    Filesize

    64KB

  • memory/2344-334-0x00007FFEF57F0000-0x00007FFEF5800000-memory.dmp

    Filesize

    64KB

  • memory/2344-131-0x00007FFEF20A0000-0x00007FFEF20B0000-memory.dmp

    Filesize

    64KB

  • memory/2344-121-0x00007FFEF57F0000-0x00007FFEF5800000-memory.dmp

    Filesize

    64KB

  • memory/2344-120-0x00007FFEF57F0000-0x00007FFEF5800000-memory.dmp

    Filesize

    64KB

  • memory/2344-119-0x00007FFEF57F0000-0x00007FFEF5800000-memory.dmp

    Filesize

    64KB

  • memory/4492-261-0x0000000180000000-0x0000000180030000-memory.dmp

    Filesize

    192KB