Analysis

  • max time kernel
    150s
  • max time network
    153s
  • 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, 06:16

General

  • Target

    2023-03-08_1509.doc

  • Size

    520.3MB

  • MD5

    f5e7227c77fac1e1fd2dd02c74f142e6

  • SHA1

    c2f88e9be84a1d93e053854d662082189ad59e55

  • SHA256

    b2bb80310dca2ee1127f4723ca27cf6a59f0243760e139f6f108cdb692b795f7

  • SHA512

    73d0ca98f6e1f7a04772e84b95753d11bbf22496404d5dc1ba1bf3fec367efad65e60d5bba82be8993af1b99830b83f9345b411f092984b495bc34f3eb4ebd42

  • SSDEEP

    6144:xPn4VZXbatu7MDogsDkHS50LdfcGcbz1f5M9KTFrMpSlMK3Ru+Q28:xP4PbNMkgg3Ru+x

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 3 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\2023-03-08_1509.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:1560
    • C:\Windows\System32\regsvr32.exe
      "C:\Windows\System32\regsvr32.exe" /s "C:\Users\Admin\AppData\Local\Temp\082021.tmp"
      2⤵
      • Process spawned unexpected child process
      • Loads dropped DLL
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of WriteProcessMemory
      PID:1524
      • C:\Windows\system32\regsvr32.exe
        C:\Windows\system32\regsvr32.exe "C:\Windows\system32\XhtEn\VCOgUrJ.dll"
        3⤵
        • Loads dropped DLL
        • Suspicious behavior: EnumeratesProcesses
        PID:4872

Network

        MITRE ATT&CK Enterprise v6

        Replay Monitor

        Loading Replay Monitor...

        Downloads

        • C:\Users\Admin\AppData\Local\Temp\082021.tmp

          Filesize

          536.7MB

          MD5

          19bff3aa06ddc8c0c808d8be5cc49275

          SHA1

          98e500a3fdb186aaae72b3ac985d28e693c46c54

          SHA256

          c9b6bf7242684234d57a3ea22bb08ef61dab6b8dc716d68466fb0fe497dd76ba

          SHA512

          8732eef028d3021b64c79da521c4808bdb202ef4181bed55a26610d430b4afb553c6397311661e323132a866e6ad669c3bf2849aeba8fb8a48e607badfaffeda

        • C:\Users\Admin\AppData\Local\Temp\082021.tmp

          Filesize

          536.7MB

          MD5

          19bff3aa06ddc8c0c808d8be5cc49275

          SHA1

          98e500a3fdb186aaae72b3ac985d28e693c46c54

          SHA256

          c9b6bf7242684234d57a3ea22bb08ef61dab6b8dc716d68466fb0fe497dd76ba

          SHA512

          8732eef028d3021b64c79da521c4808bdb202ef4181bed55a26610d430b4afb553c6397311661e323132a866e6ad669c3bf2849aeba8fb8a48e607badfaffeda

        • C:\Users\Admin\AppData\Local\Temp\082021.tmp

          Filesize

          536.7MB

          MD5

          19bff3aa06ddc8c0c808d8be5cc49275

          SHA1

          98e500a3fdb186aaae72b3ac985d28e693c46c54

          SHA256

          c9b6bf7242684234d57a3ea22bb08ef61dab6b8dc716d68466fb0fe497dd76ba

          SHA512

          8732eef028d3021b64c79da521c4808bdb202ef4181bed55a26610d430b4afb553c6397311661e323132a866e6ad669c3bf2849aeba8fb8a48e607badfaffeda

        • C:\Users\Admin\AppData\Local\Temp\082023.zip

          Filesize

          872KB

          MD5

          d5700e1ee975acb953e76eac021dc57d

          SHA1

          a5e008828774992d42ddd66a00cda20e0d29b4a6

          SHA256

          e184e3130db13b0f2c4079a7d19e669f1873a7029f79fc928f07829007dbaca8

          SHA512

          0a1e10ded8a5dc96776571afbd84b735fac9b7c3baa2acaa576d26edf6cf81cfa28ebdcbba00ba70c99c655f49ed78ff1202ceed22425c92ec441df740edc7c5

        • C:\Windows\System32\XhtEn\VCOgUrJ.dll

          Filesize

          536.7MB

          MD5

          19bff3aa06ddc8c0c808d8be5cc49275

          SHA1

          98e500a3fdb186aaae72b3ac985d28e693c46c54

          SHA256

          c9b6bf7242684234d57a3ea22bb08ef61dab6b8dc716d68466fb0fe497dd76ba

          SHA512

          8732eef028d3021b64c79da521c4808bdb202ef4181bed55a26610d430b4afb553c6397311661e323132a866e6ad669c3bf2849aeba8fb8a48e607badfaffeda

        • memory/1524-183-0x00000000001F0000-0x00000000001F1000-memory.dmp

          Filesize

          4KB

        • memory/1524-180-0x0000000180000000-0x000000018002D000-memory.dmp

          Filesize

          180KB

        • memory/1524-178-0x0000000001EC0000-0x0000000001F70000-memory.dmp

          Filesize

          704KB

        • memory/1560-138-0x00007FFFB6230000-0x00007FFFB6240000-memory.dmp

          Filesize

          64KB

        • memory/1560-139-0x00007FFFB6230000-0x00007FFFB6240000-memory.dmp

          Filesize

          64KB

        • memory/1560-133-0x00007FFFB8410000-0x00007FFFB8420000-memory.dmp

          Filesize

          64KB

        • memory/1560-137-0x00007FFFB8410000-0x00007FFFB8420000-memory.dmp

          Filesize

          64KB

        • memory/1560-136-0x00007FFFB8410000-0x00007FFFB8420000-memory.dmp

          Filesize

          64KB

        • memory/1560-135-0x00007FFFB8410000-0x00007FFFB8420000-memory.dmp

          Filesize

          64KB

        • memory/1560-134-0x00007FFFB8410000-0x00007FFFB8420000-memory.dmp

          Filesize

          64KB

        • memory/1560-218-0x00007FFFB8410000-0x00007FFFB8420000-memory.dmp

          Filesize

          64KB

        • memory/1560-219-0x00007FFFB8410000-0x00007FFFB8420000-memory.dmp

          Filesize

          64KB

        • memory/1560-220-0x00007FFFB8410000-0x00007FFFB8420000-memory.dmp

          Filesize

          64KB

        • memory/1560-221-0x00007FFFB8410000-0x00007FFFB8420000-memory.dmp

          Filesize

          64KB

        • memory/4872-191-0x0000000000400000-0x00000000004B0000-memory.dmp

          Filesize

          704KB