Analysis

  • max time kernel
    144s
  • max time network
    160s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20230220-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20230220-enlocale:en-usos:windows10-2004-x64system
  • submitted
    08/03/2023, 09:09

General

  • Target

    698904922815716351.doc

  • Size

    524.8MB

  • MD5

    33a26f690f19421e49cd0927921205e2

  • SHA1

    190752c02cd33244f631b2b0f1d389b283c2ec86

  • SHA256

    673bc1c81390a70de56e11ce2384b0975631e29b6392be97f17e6a76b7e36d7b

  • SHA512

    dd574e5f1086a80f31203d73b22040e0879dba4d07006b4f985b4e3f960d8cc039992a8d0a35cde42d15c51b9cb588c8764f0438ffa20ecf5fba269cab513ee6

  • SSDEEP

    12288:XxYDQ8EW+Ba+qKYR08a72L2X0dMzPPqvBUEu3uNsRAPYwT4q3MJ/d:2DPElaSUqqafj9Q4ZJ/d

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 1 IoCs

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

  • Loads dropped DLL 2 IoCs
  • Adds Run key to start application 2 TTPs 2 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 1 IoCs

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

  • Suspicious behavior: AddClipboardFormatListener 2 IoCs
  • Suspicious behavior: EnumeratesProcesses 6 IoCs
  • Suspicious use of FindShellTrayWindow 3 IoCs
  • Suspicious use of SetWindowsHookEx 8 IoCs
  • Suspicious use of WriteProcessMemory 4 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\698904922815716351.doc" /o ""
    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:4992
    • C:\Windows\System32\regsvr32.exe
      "C:\Windows\System32\regsvr32.exe" /s "C:\Users\Admin\AppData\Local\Temp\101057.tmp"
      2⤵
      • Process spawned unexpected child process
      • Loads dropped DLL
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of WriteProcessMemory
      PID:2512
      • C:\Windows\system32\regsvr32.exe
        C:\Windows\system32\regsvr32.exe "C:\Windows\system32\YFGkPdvrhJrmRCg\bDMsnSNsFUb.dll"
        3⤵
        • Loads dropped DLL
        • Adds Run key to start application
        • Suspicious behavior: EnumeratesProcesses
        PID:4200

Network

        MITRE ATT&CK Enterprise v6

        Replay Monitor

        Loading Replay Monitor...

        Downloads

        • C:\Users\Admin\AppData\Local\Temp\101057.tmp

          Filesize

          504.7MB

          MD5

          69a5d6bff7916e89328735d6dfeb1969

          SHA1

          9b08a294c6f0c6cf91c023f8314a4434c23e0fd2

          SHA256

          d8b45395fabe03155050debe2c8669ebc3a38f0d151143129f4361d5dbf51616

          SHA512

          cb259efd4cd1824385e990b2bdedff62254e68655aa8cdf1b3f622a7c7047993980fd5f813bcf16e3efa6cd68ac4aeae07f2bbf0f848faf4389fbac137be1749

        • C:\Users\Admin\AppData\Local\Temp\101057.tmp

          Filesize

          504.7MB

          MD5

          69a5d6bff7916e89328735d6dfeb1969

          SHA1

          9b08a294c6f0c6cf91c023f8314a4434c23e0fd2

          SHA256

          d8b45395fabe03155050debe2c8669ebc3a38f0d151143129f4361d5dbf51616

          SHA512

          cb259efd4cd1824385e990b2bdedff62254e68655aa8cdf1b3f622a7c7047993980fd5f813bcf16e3efa6cd68ac4aeae07f2bbf0f848faf4389fbac137be1749

        • C:\Users\Admin\AppData\Local\Temp\101059.zip

          Filesize

          840KB

          MD5

          98f2c28db3044c0bb4f6532b4f63271a

          SHA1

          c7e464ad78ddc97d00f6bd5a25c463c4c4a693a9

          SHA256

          c0cc58370e1c362fb98653d01a3b36018775602ef2f115ca2ece20257f0e9aa2

          SHA512

          f0da48722a4d8fd2fc714e845b90de3727ff6d623054ca8dc23c319f2b1b2c31ff700a121cd0437cf8748cd8cb8df05c9698de88c66b74ba989fad89ea6877b1

        • C:\Windows\System32\YFGkPdvrhJrmRCg\bDMsnSNsFUb.dll

          Filesize

          504.7MB

          MD5

          69a5d6bff7916e89328735d6dfeb1969

          SHA1

          9b08a294c6f0c6cf91c023f8314a4434c23e0fd2

          SHA256

          d8b45395fabe03155050debe2c8669ebc3a38f0d151143129f4361d5dbf51616

          SHA512

          cb259efd4cd1824385e990b2bdedff62254e68655aa8cdf1b3f622a7c7047993980fd5f813bcf16e3efa6cd68ac4aeae07f2bbf0f848faf4389fbac137be1749

        • memory/2512-182-0x0000000001450000-0x0000000001451000-memory.dmp

          Filesize

          4KB

        • memory/2512-179-0x0000000180000000-0x000000018002D000-memory.dmp

          Filesize

          180KB

        • memory/4200-187-0x0000000000400000-0x00000000004B0000-memory.dmp

          Filesize

          704KB

        • memory/4992-136-0x00007FF7D4A70000-0x00007FF7D4A80000-memory.dmp

          Filesize

          64KB

        • memory/4992-139-0x00007FF7D2740000-0x00007FF7D2750000-memory.dmp

          Filesize

          64KB

        • memory/4992-138-0x00007FF7D2740000-0x00007FF7D2750000-memory.dmp

          Filesize

          64KB

        • memory/4992-137-0x00007FF7D4A70000-0x00007FF7D4A80000-memory.dmp

          Filesize

          64KB

        • memory/4992-133-0x00007FF7D4A70000-0x00007FF7D4A80000-memory.dmp

          Filesize

          64KB

        • memory/4992-135-0x00007FF7D4A70000-0x00007FF7D4A80000-memory.dmp

          Filesize

          64KB

        • memory/4992-134-0x00007FF7D4A70000-0x00007FF7D4A80000-memory.dmp

          Filesize

          64KB