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Analysis

  • max time kernel
    148s
  • max time network
    134s
  • platform
    windows10-1703_x64
  • resource
    win10-20220901-en
  • resource tags

    arch:x64arch:x86image:win10-20220901-enlocale:en-usos:windows10-1703-x64system
  • submitted
    03/11/2022, 23:15

General

  • Target

    ea1be07a3131523fba4f72708cce8db9350711a4146f7b4765d12ee42d8e7f68.xls

  • Size

    217KB

  • MD5

    ecd5e1711b9e049edde7b42824bfa60e

  • SHA1

    559d90a1ab5227bcd56601b04e88e469edb9497d

  • SHA256

    ea1be07a3131523fba4f72708cce8db9350711a4146f7b4765d12ee42d8e7f68

  • SHA512

    a769a219cb1e8b003ce0422fa00db0400506451373f313ae45e29a595eb5f2c095765be1365471a379a325f99c1246d4faf9d89e880eefb2ff50402ecfa68e24

  • SSDEEP

    6144:zKpb8rGYrMPe3q7Q0XV5xtuEsi8/dgXyY+TAQXTHGUMEyP5p6f5jQm2:DbGUMVWlb2

Malware Config

Extracted

Language
xlm4.0
Source
URLs
xlm40.dropper

https://barkstage.es/wp-content/0E7NdYl7TZuHMJq7/

xlm40.dropper

http://contactworks.nl/images_old/NuEAhfF0PCFhvv/

xlm40.dropper

http://www.iam.ch/wp-content/cache/minify/O1OAjWnfen/

xlm40.dropper

https://www.elaboro.pl/wp-admin/J0hwyIMsk9YFIi/

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\ea1be07a3131523fba4f72708cce8db9350711a4146f7b4765d12ee42d8e7f68.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:3064
    • C:\Windows\System32\regsvr32.exe
      C:\Windows\System32\regsvr32.exe /S ..\oxnv1.ooccxx
      2⤵
      • Process spawned unexpected child process
      • Loads dropped DLL
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of WriteProcessMemory
      PID:1004
      • C:\Windows\system32\regsvr32.exe
        C:\Windows\system32\regsvr32.exe "C:\Windows\system32\GJBvgMcffJq\vRHK.dll"
        3⤵
        • Adds Run key to start application
        • Suspicious behavior: EnumeratesProcesses
        PID:4312
    • 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:5096
      • C:\Windows\system32\regsvr32.exe
        C:\Windows\system32\regsvr32.exe "C:\Windows\system32\NiSnhIjX\cKzhDcWjwgBelT.dll"
        3⤵
        • Adds Run key to start application
        • Suspicious behavior: EnumeratesProcesses
        PID:4708
    • C:\Windows\System32\regsvr32.exe
      C:\Windows\System32\regsvr32.exe /S ..\oxnv3.ooccxx
      2⤵
      • Process spawned unexpected child process
      PID:5080
    • 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:4712
      • C:\Windows\system32\regsvr32.exe
        C:\Windows\system32\regsvr32.exe "C:\Windows\system32\NdMMrbUTGBHTJ\DtFqYDrjjprSfiWY.dll"
        3⤵
        • Adds Run key to start application
        • Suspicious behavior: EnumeratesProcesses
        PID:916

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

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Downloads

  • C:\Users\Admin\oxnv1.ooccxx

    Filesize

    751KB

    MD5

    b8bab63d796387bcbb6147c14273862a

    SHA1

    aece699c3c6febd0fa54b5fc1f46ffd260e705df

    SHA256

    50c5bcbb8a165ae1f901b48f66c85726faaa937e3434ceaad5d374c0a315e833

    SHA512

    4c317806542bdfc75587e9864758f27c6abb59d8519f5486e1ff9a0b0473807cb55bf60391c7f193fcb72c0a3755105c9988b0847234ec1e86455e551f40cdca

  • C:\Users\Admin\oxnv2.ooccxx

    Filesize

    751KB

    MD5

    acb4ede0b9bdf4ef57b8361be9b72e27

    SHA1

    834566acd8a44d16da94f772b95397fcce66d235

    SHA256

    40d50eaea22ca221493b9b645cc55cc8936faa91a6a3ed5672b30785953e343d

    SHA512

    1002ded834d70d559cfe21f40c4c353354827f3781767d3a03fc0b3081005e5cfa230076e315d387cbbc9f06216da8e0df960bc8071a73bee71963d2812edfed

  • C:\Users\Admin\oxnv4.ooccxx

    Filesize

    751KB

    MD5

    78faba79482611449256a184a1acac17

    SHA1

    2f9000703c93c9890eefd0d94fd837ec34b6ed10

    SHA256

    00b59166e9545d7ba9fcc63b5e464baa20b3e402cec18de64c1f792294ed0c0e

    SHA512

    9d161fa21c7c320c8d0e928971bedef309282bfcef2fdd2cedd756c0c61cf01f4f7d4f5fe26790e56a623ca7032f6eb1c54409b68b296fbbf35409e68a4c5237

  • \Users\Admin\oxnv1.ooccxx

    Filesize

    751KB

    MD5

    b8bab63d796387bcbb6147c14273862a

    SHA1

    aece699c3c6febd0fa54b5fc1f46ffd260e705df

    SHA256

    50c5bcbb8a165ae1f901b48f66c85726faaa937e3434ceaad5d374c0a315e833

    SHA512

    4c317806542bdfc75587e9864758f27c6abb59d8519f5486e1ff9a0b0473807cb55bf60391c7f193fcb72c0a3755105c9988b0847234ec1e86455e551f40cdca

  • \Users\Admin\oxnv2.ooccxx

    Filesize

    751KB

    MD5

    acb4ede0b9bdf4ef57b8361be9b72e27

    SHA1

    834566acd8a44d16da94f772b95397fcce66d235

    SHA256

    40d50eaea22ca221493b9b645cc55cc8936faa91a6a3ed5672b30785953e343d

    SHA512

    1002ded834d70d559cfe21f40c4c353354827f3781767d3a03fc0b3081005e5cfa230076e315d387cbbc9f06216da8e0df960bc8071a73bee71963d2812edfed

  • \Users\Admin\oxnv4.ooccxx

    Filesize

    751KB

    MD5

    78faba79482611449256a184a1acac17

    SHA1

    2f9000703c93c9890eefd0d94fd837ec34b6ed10

    SHA256

    00b59166e9545d7ba9fcc63b5e464baa20b3e402cec18de64c1f792294ed0c0e

    SHA512

    9d161fa21c7c320c8d0e928971bedef309282bfcef2fdd2cedd756c0c61cf01f4f7d4f5fe26790e56a623ca7032f6eb1c54409b68b296fbbf35409e68a4c5237

  • memory/1004-259-0x0000000180000000-0x0000000180030000-memory.dmp

    Filesize

    192KB

  • memory/3064-133-0x00007FFD149C0000-0x00007FFD149D0000-memory.dmp

    Filesize

    64KB

  • memory/3064-120-0x00007FFD18360000-0x00007FFD18370000-memory.dmp

    Filesize

    64KB

  • memory/3064-132-0x00007FFD149C0000-0x00007FFD149D0000-memory.dmp

    Filesize

    64KB

  • memory/3064-123-0x00007FFD18360000-0x00007FFD18370000-memory.dmp

    Filesize

    64KB

  • memory/3064-122-0x00007FFD18360000-0x00007FFD18370000-memory.dmp

    Filesize

    64KB

  • memory/3064-121-0x00007FFD18360000-0x00007FFD18370000-memory.dmp

    Filesize

    64KB