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Analysis

  • max time kernel
    101s
  • 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
    04/11/2022, 03:02

General

  • Target

    a676b61910e1205f39e50700f6162075bc3cd41df4a0d5f26d797469e376551c.xls

  • Size

    217KB

  • MD5

    aac58dfb2c0812806ff01f29d59352e2

  • SHA1

    a1f0158b128119acebda88993527af6d869a93be

  • SHA256

    a676b61910e1205f39e50700f6162075bc3cd41df4a0d5f26d797469e376551c

  • SHA512

    1b488962ce77dc0a53e79aff563727f3ef23cf0ead73cba9e23bf39d0fd445cbb4e1b6257552ef238ff22a8cef436b4edeb069e2220f21402bd39b1676f05529

  • SSDEEP

    6144:zKpb8rGYrMPe3q7Q0XV5xtuEsi8/dgXyY+TAQXTHGUMEyP5p6f5jQma:DbGUMVWlba

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 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\a676b61910e1205f39e50700f6162075bc3cd41df4a0d5f26d797469e376551c.xls"
    1⤵
    • Checks processor information in registry
    • Enumerates system info in registry
    • Suspicious behavior: AddClipboardFormatListener
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:4124
    • 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:416
      • C:\Windows\system32\regsvr32.exe
        C:\Windows\system32\regsvr32.exe "C:\Windows\system32\THURxWYmfsEC\kHGVIPqdiOjsGSf.dll"
        3⤵
        • Adds Run key to start application
        • Suspicious behavior: EnumeratesProcesses
        PID:4136
    • 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:1436
      • C:\Windows\system32\regsvr32.exe
        C:\Windows\system32\regsvr32.exe "C:\Windows\system32\DumNytTNuYw\voQNRrqQMjezVjBG.dll"
        3⤵
        • Adds Run key to start application
        • Suspicious behavior: EnumeratesProcesses
        PID:1788
    • C:\Windows\System32\regsvr32.exe
      C:\Windows\System32\regsvr32.exe /S ..\oxnv3.ooccxx
      2⤵
      • Process spawned unexpected child process
      PID:1304
    • 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:3324
      • C:\Windows\system32\regsvr32.exe
        C:\Windows\system32\regsvr32.exe "C:\Windows\system32\CnpnpTduCLqO\VfnxtbTCeePh.dll"
        3⤵
        • Adds Run key to start application
        • Suspicious behavior: EnumeratesProcesses
        PID:2196

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

Loading Replay Monitor...

Downloads

  • C:\Users\Admin\oxnv1.ooccxx

    Filesize

    751KB

    MD5

    d70b27076b1ce35bcc69e7a6f725d6b1

    SHA1

    dd86849dd8c9843c28fea946cda44bcbe5dbea78

    SHA256

    d7f6fa7c4d8c90188ae811dc9fc8f0ce259fac2583cc1a2189cb720ba9812701

    SHA512

    fcd183bec062defb66b198b21322657f0ce571847bb5711e17e454b00bf4f9672f6469895acbdef45f28ede31ea14e75d5ce707d44eca7f0e4908141daabe640

  • C:\Users\Admin\oxnv2.ooccxx

    Filesize

    751KB

    MD5

    4638bfd4497e8238d322b778200c7471

    SHA1

    24dde394d9c3de5490231a6ebd80ec424cb353d6

    SHA256

    c955b5758048e79666928e7db82d41fd2d500607561ac03eda1dc2fb95ce2d62

    SHA512

    80c2a081e6522e4e859f297ed858c15f69a73c41d4470e6c8ab477b98cc942d2622aadc1ff1a6793e8329240fbcea5c38dcf17550affce7e94610d947e1bf363

  • C:\Users\Admin\oxnv4.ooccxx

    Filesize

    751KB

    MD5

    5c9a7ffcbebaac55e6e8a55ad51b8723

    SHA1

    d15289de24daabba19bc0e4ec076c1903ccf9e3c

    SHA256

    3c323c26993ef95c35adb4b39a6e6109f428329d96ddbb609ae8ceb5c3637ee2

    SHA512

    e37a90bccdabad319e560db2ed3bc3521cc49e3f52cc1538e17c27b9b59d758ef963ebc2946d2bb2f129bc14652772cc9584d2bc8dd8468e0b7b8d62652eda51

  • \Users\Admin\oxnv1.ooccxx

    Filesize

    751KB

    MD5

    d70b27076b1ce35bcc69e7a6f725d6b1

    SHA1

    dd86849dd8c9843c28fea946cda44bcbe5dbea78

    SHA256

    d7f6fa7c4d8c90188ae811dc9fc8f0ce259fac2583cc1a2189cb720ba9812701

    SHA512

    fcd183bec062defb66b198b21322657f0ce571847bb5711e17e454b00bf4f9672f6469895acbdef45f28ede31ea14e75d5ce707d44eca7f0e4908141daabe640

  • \Users\Admin\oxnv2.ooccxx

    Filesize

    751KB

    MD5

    4638bfd4497e8238d322b778200c7471

    SHA1

    24dde394d9c3de5490231a6ebd80ec424cb353d6

    SHA256

    c955b5758048e79666928e7db82d41fd2d500607561ac03eda1dc2fb95ce2d62

    SHA512

    80c2a081e6522e4e859f297ed858c15f69a73c41d4470e6c8ab477b98cc942d2622aadc1ff1a6793e8329240fbcea5c38dcf17550affce7e94610d947e1bf363

  • \Users\Admin\oxnv4.ooccxx

    Filesize

    751KB

    MD5

    5c9a7ffcbebaac55e6e8a55ad51b8723

    SHA1

    d15289de24daabba19bc0e4ec076c1903ccf9e3c

    SHA256

    3c323c26993ef95c35adb4b39a6e6109f428329d96ddbb609ae8ceb5c3637ee2

    SHA512

    e37a90bccdabad319e560db2ed3bc3521cc49e3f52cc1538e17c27b9b59d758ef963ebc2946d2bb2f129bc14652772cc9584d2bc8dd8468e0b7b8d62652eda51

  • memory/416-279-0x0000000180000000-0x0000000180030000-memory.dmp

    Filesize

    192KB

  • memory/4124-116-0x00007FFCE8030000-0x00007FFCE8040000-memory.dmp

    Filesize

    64KB

  • memory/4124-118-0x00007FFCE8030000-0x00007FFCE8040000-memory.dmp

    Filesize

    64KB

  • memory/4124-119-0x00007FFCE8030000-0x00007FFCE8040000-memory.dmp

    Filesize

    64KB

  • memory/4124-117-0x00007FFCE8030000-0x00007FFCE8040000-memory.dmp

    Filesize

    64KB

  • memory/4124-128-0x00007FFCE52B0000-0x00007FFCE52C0000-memory.dmp

    Filesize

    64KB

  • memory/4124-129-0x00007FFCE52B0000-0x00007FFCE52C0000-memory.dmp

    Filesize

    64KB

  • memory/4124-351-0x00007FFCE8030000-0x00007FFCE8040000-memory.dmp

    Filesize

    64KB

  • memory/4124-352-0x00007FFCE8030000-0x00007FFCE8040000-memory.dmp

    Filesize

    64KB

  • memory/4124-353-0x00007FFCE8030000-0x00007FFCE8040000-memory.dmp

    Filesize

    64KB

  • memory/4124-354-0x00007FFCE8030000-0x00007FFCE8040000-memory.dmp

    Filesize

    64KB