Resubmissions

08/03/2023, 04:45

230308-fdxsmsea83 10

08/03/2023, 04:40

230308-farr8ade91 10

Analysis

  • max time kernel
    1044s
  • max time network
    974s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20230220-es
  • resource tags

    arch:x64arch:x86image:win10v2004-20230220-eslocale:es-esos:windows10-2004-x64systemwindows
  • submitted
    08/03/2023, 04:45

General

  • Target

    DETALLES_2562.doc

  • Size

    540.2MB

  • MD5

    5044553467b5553505acb52ce47e92c7

  • SHA1

    74688fc37b7ca6938ff26ba73b0433f4f61eb41b

  • SHA256

    2a5d629a4645bf7e5a38f790f411fdbc96fa0ca814d04d27892421993caf4adb

  • SHA512

    8b4d9360e0099b7d73c0aa90e0f09f0f2f15fdf993b9f7f79ebf0f304c4f374e054bdb2e2c30593c592ac6f24938e219be40fe7447b3c76d32ac5cdd59bde6da

  • SSDEEP

    3072:eoEW2aOtFjH0lP2IpjctfRcVVwEi/A8NVM1wIOCbX6bYLjWFJuvx7ueK6:ZE1aOtFa2I9c3aVw4zwxCbJ4Jup

Malware Config

Extracted

Family

emotet

Botnet

Epoch4

C2

129.232.188.93:443

164.90.222.65:443

159.65.88.10:8080

172.105.226.75:8080

115.68.227.76:8080

187.63.160.88:80

169.57.156.166:8080

185.4.135.165:8080

153.126.146.25:7080

197.242.150.244:8080

139.59.126.41:443

186.194.240.217:443

103.132.242.26:8080

206.189.28.199:8080

163.44.196.120:8080

95.217.221.146:8080

159.89.202.34:443

119.59.103.152:8080

183.111.227.137:8080

201.94.166.162:443

eck1.plain
ecs1.plain

Signatures

  • Emotet

    Emotet is a trojan that is primarily spread through spam emails.

  • Process spawned unexpected child process 2 IoCs

    This typically indicates the parent process was compromised via an exploit or macro.

  • Loads dropped DLL 5 IoCs
  • Adds Run key to start application 2 TTPs 4 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
  • Script User-Agent 2 IoCs

    Uses user-agent string associated with script host/environment.

  • Suspicious behavior: AddClipboardFormatListener 2 IoCs
  • Suspicious behavior: EnumeratesProcesses 12 IoCs
  • Suspicious use of SetWindowsHookEx 8 IoCs
  • Suspicious use of WriteProcessMemory 8 IoCs

Processes

  • C:\Program Files\Microsoft Office\Root\Office16\WINWORD.EXE
    "C:\Program Files\Microsoft Office\Root\Office16\WINWORD.EXE" /n "C:\Users\Admin\AppData\Local\Temp\DETALLES_2562.doc" /o ""
    1⤵
    • Checks processor information in registry
    • Enumerates system info in registry
    • Suspicious behavior: AddClipboardFormatListener
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:1272
    • C:\Windows\System32\regsvr32.exe
      "C:\Windows\System32\regsvr32.exe" /s "C:\Users\Admin\AppData\Local\Temp\054902.tmp"
      2⤵
      • Process spawned unexpected child process
      • Loads dropped DLL
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of WriteProcessMemory
      PID:4356
      • C:\Windows\system32\regsvr32.exe
        C:\Windows\system32\regsvr32.exe "C:\Windows\system32\AXNQmEIUrwPbxYlk\NypXSbPDQjZ.dll"
        3⤵
        • Loads dropped DLL
        • Adds Run key to start application
        • Suspicious behavior: EnumeratesProcesses
        PID:1012
    • C:\Windows\System32\regsvr32.exe
      "C:\Windows\System32\regsvr32.exe" /s "C:\Users\Admin\AppData\Local\Temp\055014.tmp"
      2⤵
      • Process spawned unexpected child process
      • Loads dropped DLL
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of WriteProcessMemory
      PID:4884
      • C:\Windows\system32\regsvr32.exe
        C:\Windows\system32\regsvr32.exe "C:\Windows\system32\CMVrgIYVH\fQsf.dll"
        3⤵
        • Loads dropped DLL
        • Adds Run key to start application
        • Suspicious behavior: EnumeratesProcesses
        PID:752

Network

        MITRE ATT&CK Enterprise v6

        Replay Monitor

        Loading Replay Monitor...

        Downloads

        • C:\Users\Admin\AppData\Local\Temp\054902.tmp

          Filesize

          504.7MB

          MD5

          69a5d6bff7916e89328735d6dfeb1969

          SHA1

          9b08a294c6f0c6cf91c023f8314a4434c23e0fd2

          SHA256

          d8b45395fabe03155050debe2c8669ebc3a38f0d151143129f4361d5dbf51616

          SHA512

          cb259efd4cd1824385e990b2bdedff62254e68655aa8cdf1b3f622a7c7047993980fd5f813bcf16e3efa6cd68ac4aeae07f2bbf0f848faf4389fbac137be1749

        • C:\Users\Admin\AppData\Local\Temp\054902.tmp

          Filesize

          504.7MB

          MD5

          69a5d6bff7916e89328735d6dfeb1969

          SHA1

          9b08a294c6f0c6cf91c023f8314a4434c23e0fd2

          SHA256

          d8b45395fabe03155050debe2c8669ebc3a38f0d151143129f4361d5dbf51616

          SHA512

          cb259efd4cd1824385e990b2bdedff62254e68655aa8cdf1b3f622a7c7047993980fd5f813bcf16e3efa6cd68ac4aeae07f2bbf0f848faf4389fbac137be1749

        • C:\Users\Admin\AppData\Local\Temp\054905.zip

          Filesize

          840KB

          MD5

          c2d665fc1c65682337f4e24800a38c3f

          SHA1

          f6b1839d225e672f544d38fef1f4ece2b55e4d19

          SHA256

          2033e3578b70b3faa404afe2129244acc8fb17f0065ab9d4f6f10c7e5580c36a

          SHA512

          ba7990c8ccb2239bf018f442e66cdaaedc5d58cb1cafb46a2fac16cc09cc17e83bdabeb4f90aec5b2fc248155ebb30850aa54531f6c79f460287dd55145a778d

        • C:\Users\Admin\AppData\Local\Temp\055014.tmp

          Filesize

          504.7MB

          MD5

          69a5d6bff7916e89328735d6dfeb1969

          SHA1

          9b08a294c6f0c6cf91c023f8314a4434c23e0fd2

          SHA256

          d8b45395fabe03155050debe2c8669ebc3a38f0d151143129f4361d5dbf51616

          SHA512

          cb259efd4cd1824385e990b2bdedff62254e68655aa8cdf1b3f622a7c7047993980fd5f813bcf16e3efa6cd68ac4aeae07f2bbf0f848faf4389fbac137be1749

        • C:\Users\Admin\AppData\Local\Temp\055014.tmp

          Filesize

          504.7MB

          MD5

          69a5d6bff7916e89328735d6dfeb1969

          SHA1

          9b08a294c6f0c6cf91c023f8314a4434c23e0fd2

          SHA256

          d8b45395fabe03155050debe2c8669ebc3a38f0d151143129f4361d5dbf51616

          SHA512

          cb259efd4cd1824385e990b2bdedff62254e68655aa8cdf1b3f622a7c7047993980fd5f813bcf16e3efa6cd68ac4aeae07f2bbf0f848faf4389fbac137be1749

        • C:\Users\Admin\AppData\Local\Temp\055018\rioy6PIq1V898Q1olZeHht6BEf2C.dll

          Filesize

          504.7MB

          MD5

          69a5d6bff7916e89328735d6dfeb1969

          SHA1

          9b08a294c6f0c6cf91c023f8314a4434c23e0fd2

          SHA256

          d8b45395fabe03155050debe2c8669ebc3a38f0d151143129f4361d5dbf51616

          SHA512

          cb259efd4cd1824385e990b2bdedff62254e68655aa8cdf1b3f622a7c7047993980fd5f813bcf16e3efa6cd68ac4aeae07f2bbf0f848faf4389fbac137be1749

        • C:\Windows\System32\AXNQmEIUrwPbxYlk\NypXSbPDQjZ.dll

          Filesize

          504.7MB

          MD5

          69a5d6bff7916e89328735d6dfeb1969

          SHA1

          9b08a294c6f0c6cf91c023f8314a4434c23e0fd2

          SHA256

          d8b45395fabe03155050debe2c8669ebc3a38f0d151143129f4361d5dbf51616

          SHA512

          cb259efd4cd1824385e990b2bdedff62254e68655aa8cdf1b3f622a7c7047993980fd5f813bcf16e3efa6cd68ac4aeae07f2bbf0f848faf4389fbac137be1749

        • C:\Windows\System32\AXNQmEIUrwPbxYlk\NypXSbPDQjZ.dll

          Filesize

          504.7MB

          MD5

          69a5d6bff7916e89328735d6dfeb1969

          SHA1

          9b08a294c6f0c6cf91c023f8314a4434c23e0fd2

          SHA256

          d8b45395fabe03155050debe2c8669ebc3a38f0d151143129f4361d5dbf51616

          SHA512

          cb259efd4cd1824385e990b2bdedff62254e68655aa8cdf1b3f622a7c7047993980fd5f813bcf16e3efa6cd68ac4aeae07f2bbf0f848faf4389fbac137be1749

        • C:\Windows\System32\CMVrgIYVH\fQsf.dll

          Filesize

          504.7MB

          MD5

          69a5d6bff7916e89328735d6dfeb1969

          SHA1

          9b08a294c6f0c6cf91c023f8314a4434c23e0fd2

          SHA256

          d8b45395fabe03155050debe2c8669ebc3a38f0d151143129f4361d5dbf51616

          SHA512

          cb259efd4cd1824385e990b2bdedff62254e68655aa8cdf1b3f622a7c7047993980fd5f813bcf16e3efa6cd68ac4aeae07f2bbf0f848faf4389fbac137be1749

        • memory/752-234-0x0000000000400000-0x00000000004B0000-memory.dmp

          Filesize

          704KB

        • memory/1012-190-0x0000000001ED0000-0x0000000001F80000-memory.dmp

          Filesize

          704KB

        • memory/1012-184-0x0000000001ED0000-0x0000000001F80000-memory.dmp

          Filesize

          704KB

        • memory/1012-243-0x0000000001ED0000-0x0000000001F80000-memory.dmp

          Filesize

          704KB

        • memory/1272-140-0x00007FF8D83E0000-0x00007FF8D83F0000-memory.dmp

          Filesize

          64KB

        • memory/1272-133-0x00007FF8DA970000-0x00007FF8DA980000-memory.dmp

          Filesize

          64KB

        • memory/1272-138-0x00007FF8D83E0000-0x00007FF8D83F0000-memory.dmp

          Filesize

          64KB

        • memory/1272-137-0x00007FF8DA970000-0x00007FF8DA980000-memory.dmp

          Filesize

          64KB

        • memory/1272-136-0x00007FF8DA970000-0x00007FF8DA980000-memory.dmp

          Filesize

          64KB

        • memory/1272-135-0x00007FF8DA970000-0x00007FF8DA980000-memory.dmp

          Filesize

          64KB

        • memory/1272-134-0x00007FF8DA970000-0x00007FF8DA980000-memory.dmp

          Filesize

          64KB

        • memory/4356-181-0x0000000001200000-0x0000000001201000-memory.dmp

          Filesize

          4KB

        • memory/4356-178-0x0000000180000000-0x000000018002D000-memory.dmp

          Filesize

          180KB