Analysis

  • max time kernel
    149s
  • max time network
    156s
  • platform
    windows7_x64
  • resource
    win7-20220812-en
  • resource tags

    arch:x64arch:x86image:win7-20220812-enlocale:en-usos:windows7-x64system
  • submitted
    07-11-2022 14:43

General

  • Target

    27950.xls

  • Size

    221KB

  • MD5

    bab93d6ad3bb2f48f9a94a351ed286e5

  • SHA1

    dc0990bf9de4f4fe61ae705a16fa5240d825b0ae

  • SHA256

    cde22596b9fea502adfa8890f763f2a01b08cb1d4cb205d392f1ebcc486da04a

  • SHA512

    067a58f327c10e2186920ab301d8c675a32ea040771122064abd4ea7605b1ce321126a2c81ac10ef7a6036fb7923c3a4921f4f159f72064505b62d49bae08fec

  • SSDEEP

    6144:bKpb8rGYrMPe3q7Q0XV5xtuEsi8/dgzmnaVGraWWqXqzzyd17O6t0RmUoBb:aXWWqazOd165Rmvb

Malware Config

Extracted

Language
xlm4.0
Source
URLs
xlm40.dropper

https://datie-tw.com/img/SvH/

xlm40.dropper

http://central-nutrition.com/wp-content/Nh1L6YR4qlDFWS58cVB/

xlm40.dropper

http://championsfactorysampaios.com.br/xt5HKu/tDs8WsKOxQFq/

xlm40.dropper

https://dacsandongthapmuoi.vn/system/cron/HwOtNCFo/

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 6 IoCs
  • Enumerates system info in registry 2 TTPs 1 IoCs
  • Modifies Internet Explorer settings 1 TTPs 31 IoCs
  • Modifies registry class 64 IoCs
  • Suspicious behavior: AddClipboardFormatListener 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 9 IoCs
  • Suspicious use of SetWindowsHookEx 3 IoCs
  • Suspicious use of WriteProcessMemory 64 IoCs

Processes

  • C:\Program Files (x86)\Microsoft Office\Office14\EXCEL.EXE
    "C:\Program Files (x86)\Microsoft Office\Office14\EXCEL.EXE" /dde C:\Users\Admin\AppData\Local\Temp\27950.xls
    1⤵
    • Enumerates system info in registry
    • Modifies Internet Explorer settings
    • Modifies registry class
    • Suspicious behavior: AddClipboardFormatListener
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:696
    • C:\Windows\SysWOW64\regsvr32.exe
      C:\Windows\System32\regsvr32.exe /S ..\oxnv1.ooccxx
      2⤵
      • Process spawned unexpected child process
      • Loads dropped DLL
      • Suspicious use of WriteProcessMemory
      PID:980
      • C:\Windows\system32\regsvr32.exe
        /S ..\oxnv1.ooccxx
        3⤵
        • Loads dropped DLL
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of WriteProcessMemory
        PID:1716
        • C:\Windows\system32\regsvr32.exe
          C:\Windows\system32\regsvr32.exe "C:\Windows\system32\JBsJgXeDgb\CNCtfbNhy.dll"
          4⤵
          • Suspicious behavior: EnumeratesProcesses
          PID:1388
    • C:\Windows\SysWOW64\regsvr32.exe
      C:\Windows\System32\regsvr32.exe /S ..\oxnv2.ooccxx
      2⤵
      • Process spawned unexpected child process
      • Loads dropped DLL
      • Suspicious use of WriteProcessMemory
      PID:688
      • C:\Windows\system32\regsvr32.exe
        /S ..\oxnv2.ooccxx
        3⤵
        • Loads dropped DLL
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of WriteProcessMemory
        PID:780
        • C:\Windows\system32\regsvr32.exe
          C:\Windows\system32\regsvr32.exe "C:\Windows\system32\OsDAp\wxGsauXOuoL.dll"
          4⤵
          • Suspicious behavior: EnumeratesProcesses
          PID:276
    • C:\Windows\SysWOW64\regsvr32.exe
      C:\Windows\System32\regsvr32.exe /S ..\oxnv3.ooccxx
      2⤵
      • Process spawned unexpected child process
      • Loads dropped DLL
      • Suspicious use of WriteProcessMemory
      PID:1676
      • C:\Windows\system32\regsvr32.exe
        /S ..\oxnv3.ooccxx
        3⤵
        • Loads dropped DLL
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of WriteProcessMemory
        PID:1720
        • C:\Windows\system32\regsvr32.exe
          C:\Windows\system32\regsvr32.exe "C:\Windows\system32\NAKdhtTdUvDuNpK\HQsgkhuOIdhbwa.dll"
          4⤵
          • Suspicious behavior: EnumeratesProcesses
          PID:1772
    • C:\Windows\SysWOW64\regsvr32.exe
      C:\Windows\System32\regsvr32.exe /S ..\oxnv4.ooccxx
      2⤵
      • Process spawned unexpected child process
      PID:1652

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

Loading Replay Monitor...

Downloads

  • C:\Users\Admin\oxnv1.ooccxx

    Filesize

    790KB

    MD5

    139f72046bf14956a1e56425736fbdf5

    SHA1

    8260c2fe934e89adbb2b19bbd67e04557f0d93bd

    SHA256

    8213464904793c15b350a0145540d2d0aa9d62bc6f53f37cc6c8c61840534071

    SHA512

    f2c66978d86aa1fbc85bf0dda028821bcc7574ade65be0b00471c407839953f2d5e965eca609090251dc10ef7cb2b2c65a044310b748e8c5f985d25405d16066

  • C:\Users\Admin\oxnv2.ooccxx

    Filesize

    790KB

    MD5

    6d26ff3b6f386c76b8440f89c4851a89

    SHA1

    dfe7bdcde1bfaee675ca367f7c54f5946812d714

    SHA256

    83cf170fee4bc03d01ec92dde7f5c089190d87ec7e4c346b8b07e19d760d6c15

    SHA512

    e79fc30b62528362537a8b8349f6f544fc23d6fcce3753f13732ad3048bbdcf471bddbedc017beda2bb6efd176499124dd5e9fc2d497a326d7699a238f8497b8

  • C:\Users\Admin\oxnv3.ooccxx

    Filesize

    790KB

    MD5

    7f8e9533c15ee641b7d44ce7ebe4c107

    SHA1

    de3f1d4ae24c2594a6e697d3e22ad3ba7a983239

    SHA256

    7a579ae7138bf6f6d10ed55193917232ae4962e932ab7a3be349290b5e8d22fb

    SHA512

    e06fedbb2cfdc80773afdc5148740c831583876bfc3ee2b62830235385f2b0e8d4adc9553029565d96a82263edc48cb1397156777fd34e793f7d2c2bf4eb43fd

  • \Users\Admin\oxnv1.ooccxx

    Filesize

    790KB

    MD5

    139f72046bf14956a1e56425736fbdf5

    SHA1

    8260c2fe934e89adbb2b19bbd67e04557f0d93bd

    SHA256

    8213464904793c15b350a0145540d2d0aa9d62bc6f53f37cc6c8c61840534071

    SHA512

    f2c66978d86aa1fbc85bf0dda028821bcc7574ade65be0b00471c407839953f2d5e965eca609090251dc10ef7cb2b2c65a044310b748e8c5f985d25405d16066

  • \Users\Admin\oxnv1.ooccxx

    Filesize

    790KB

    MD5

    139f72046bf14956a1e56425736fbdf5

    SHA1

    8260c2fe934e89adbb2b19bbd67e04557f0d93bd

    SHA256

    8213464904793c15b350a0145540d2d0aa9d62bc6f53f37cc6c8c61840534071

    SHA512

    f2c66978d86aa1fbc85bf0dda028821bcc7574ade65be0b00471c407839953f2d5e965eca609090251dc10ef7cb2b2c65a044310b748e8c5f985d25405d16066

  • \Users\Admin\oxnv2.ooccxx

    Filesize

    790KB

    MD5

    6d26ff3b6f386c76b8440f89c4851a89

    SHA1

    dfe7bdcde1bfaee675ca367f7c54f5946812d714

    SHA256

    83cf170fee4bc03d01ec92dde7f5c089190d87ec7e4c346b8b07e19d760d6c15

    SHA512

    e79fc30b62528362537a8b8349f6f544fc23d6fcce3753f13732ad3048bbdcf471bddbedc017beda2bb6efd176499124dd5e9fc2d497a326d7699a238f8497b8

  • \Users\Admin\oxnv2.ooccxx

    Filesize

    790KB

    MD5

    6d26ff3b6f386c76b8440f89c4851a89

    SHA1

    dfe7bdcde1bfaee675ca367f7c54f5946812d714

    SHA256

    83cf170fee4bc03d01ec92dde7f5c089190d87ec7e4c346b8b07e19d760d6c15

    SHA512

    e79fc30b62528362537a8b8349f6f544fc23d6fcce3753f13732ad3048bbdcf471bddbedc017beda2bb6efd176499124dd5e9fc2d497a326d7699a238f8497b8

  • \Users\Admin\oxnv3.ooccxx

    Filesize

    790KB

    MD5

    7f8e9533c15ee641b7d44ce7ebe4c107

    SHA1

    de3f1d4ae24c2594a6e697d3e22ad3ba7a983239

    SHA256

    7a579ae7138bf6f6d10ed55193917232ae4962e932ab7a3be349290b5e8d22fb

    SHA512

    e06fedbb2cfdc80773afdc5148740c831583876bfc3ee2b62830235385f2b0e8d4adc9553029565d96a82263edc48cb1397156777fd34e793f7d2c2bf4eb43fd

  • \Users\Admin\oxnv3.ooccxx

    Filesize

    790KB

    MD5

    7f8e9533c15ee641b7d44ce7ebe4c107

    SHA1

    de3f1d4ae24c2594a6e697d3e22ad3ba7a983239

    SHA256

    7a579ae7138bf6f6d10ed55193917232ae4962e932ab7a3be349290b5e8d22fb

    SHA512

    e06fedbb2cfdc80773afdc5148740c831583876bfc3ee2b62830235385f2b0e8d4adc9553029565d96a82263edc48cb1397156777fd34e793f7d2c2bf4eb43fd

  • memory/696-54-0x000000002FC41000-0x000000002FC44000-memory.dmp

    Filesize

    12KB

  • memory/696-55-0x0000000071491000-0x0000000071493000-memory.dmp

    Filesize

    8KB

  • memory/696-58-0x000000007247D000-0x0000000072488000-memory.dmp

    Filesize

    44KB

  • memory/696-66-0x000000007247D000-0x0000000072488000-memory.dmp

    Filesize

    44KB

  • memory/696-57-0x00000000764D1000-0x00000000764D3000-memory.dmp

    Filesize

    8KB

  • memory/696-56-0x000000005FFF0000-0x0000000060000000-memory.dmp

    Filesize

    64KB

  • memory/1716-67-0x0000000180000000-0x0000000180030000-memory.dmp

    Filesize

    192KB

  • memory/1716-64-0x000007FEFBE41000-0x000007FEFBE43000-memory.dmp

    Filesize

    8KB