Analysis

  • max time kernel
    15s
  • max time network
    157s
  • 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, 07:17

General

  • Target

    20230308_202888_0035.doc

  • Size

    546.3MB

  • MD5

    1ccd780cbc8df389eba6f2de0985009e

  • SHA1

    60f32a95f333fb5665157860462e07d4ec0dee81

  • SHA256

    ced5eec72aeabf65b78be1c75509a7d12816c2fa5e4b1fe4178e11cf78c6eb38

  • SHA512

    0df979efe35ea856bdbd35f292364e709159cf495f7d96edb4bfea7e68d9bfc15d1d5f67b2c623686bf5bfa75cdfb19e19abb3e9023a85d50f75f3b6f3c7e428

  • 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 1 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 use of FindShellTrayWindow 3 IoCs
  • Suspicious use of SetWindowsHookEx 4 IoCs
  • Suspicious use of WriteProcessMemory 2 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\20230308_202888_0035.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:3380
    • C:\Windows\System32\regsvr32.exe
      "C:\Windows\System32\regsvr32.exe" /s "C:\Users\Admin\AppData\Local\Temp\081817.tmp"
      2⤵
      • Process spawned unexpected child process
      • Loads dropped DLL
      PID:3656
      • C:\Windows\system32\regsvr32.exe
        C:\Windows\system32\regsvr32.exe "C:\Windows\system32\DvYrYi\tEYDb.dll"
        3⤵
          PID:1444

    Network

          MITRE ATT&CK Enterprise v6

          Replay Monitor

          Loading Replay Monitor...

          Downloads

          • C:\Users\Admin\AppData\Local\Temp\081817.tmp

            Filesize

            536.7MB

            MD5

            19bff3aa06ddc8c0c808d8be5cc49275

            SHA1

            98e500a3fdb186aaae72b3ac985d28e693c46c54

            SHA256

            c9b6bf7242684234d57a3ea22bb08ef61dab6b8dc716d68466fb0fe497dd76ba

            SHA512

            8732eef028d3021b64c79da521c4808bdb202ef4181bed55a26610d430b4afb553c6397311661e323132a866e6ad669c3bf2849aeba8fb8a48e607badfaffeda

          • C:\Users\Admin\AppData\Local\Temp\081817.tmp

            Filesize

            536.7MB

            MD5

            19bff3aa06ddc8c0c808d8be5cc49275

            SHA1

            98e500a3fdb186aaae72b3ac985d28e693c46c54

            SHA256

            c9b6bf7242684234d57a3ea22bb08ef61dab6b8dc716d68466fb0fe497dd76ba

            SHA512

            8732eef028d3021b64c79da521c4808bdb202ef4181bed55a26610d430b4afb553c6397311661e323132a866e6ad669c3bf2849aeba8fb8a48e607badfaffeda

          • C:\Users\Admin\AppData\Local\Temp\081819.zip

            Filesize

            872KB

            MD5

            d5700e1ee975acb953e76eac021dc57d

            SHA1

            a5e008828774992d42ddd66a00cda20e0d29b4a6

            SHA256

            e184e3130db13b0f2c4079a7d19e669f1873a7029f79fc928f07829007dbaca8

            SHA512

            0a1e10ded8a5dc96776571afbd84b735fac9b7c3baa2acaa576d26edf6cf81cfa28ebdcbba00ba70c99c655f49ed78ff1202ceed22425c92ec441df740edc7c5

          • C:\Windows\System32\DvYrYi\tEYDb.dll

            Filesize

            536.7MB

            MD5

            19bff3aa06ddc8c0c808d8be5cc49275

            SHA1

            98e500a3fdb186aaae72b3ac985d28e693c46c54

            SHA256

            c9b6bf7242684234d57a3ea22bb08ef61dab6b8dc716d68466fb0fe497dd76ba

            SHA512

            8732eef028d3021b64c79da521c4808bdb202ef4181bed55a26610d430b4afb553c6397311661e323132a866e6ad669c3bf2849aeba8fb8a48e607badfaffeda

          • C:\Windows\System32\DvYrYi\tEYDb.dll

            Filesize

            536.7MB

            MD5

            19bff3aa06ddc8c0c808d8be5cc49275

            SHA1

            98e500a3fdb186aaae72b3ac985d28e693c46c54

            SHA256

            c9b6bf7242684234d57a3ea22bb08ef61dab6b8dc716d68466fb0fe497dd76ba

            SHA512

            8732eef028d3021b64c79da521c4808bdb202ef4181bed55a26610d430b4afb553c6397311661e323132a866e6ad669c3bf2849aeba8fb8a48e607badfaffeda

          • memory/1444-190-0x00000000020E0000-0x0000000002190000-memory.dmp

            Filesize

            704KB

          • memory/1444-185-0x00000000020E0000-0x0000000002190000-memory.dmp

            Filesize

            704KB

          • memory/3380-133-0x00007FFAE6A50000-0x00007FFAE6A60000-memory.dmp

            Filesize

            64KB

          • memory/3380-137-0x00007FFAE6A50000-0x00007FFAE6A60000-memory.dmp

            Filesize

            64KB

          • memory/3380-136-0x00007FFAE6A50000-0x00007FFAE6A60000-memory.dmp

            Filesize

            64KB

          • memory/3380-138-0x00007FFAE4720000-0x00007FFAE4730000-memory.dmp

            Filesize

            64KB

          • memory/3380-135-0x00007FFAE6A50000-0x00007FFAE6A60000-memory.dmp

            Filesize

            64KB

          • memory/3380-134-0x00007FFAE6A50000-0x00007FFAE6A60000-memory.dmp

            Filesize

            64KB

          • memory/3380-139-0x00007FFAE4720000-0x00007FFAE4730000-memory.dmp

            Filesize

            64KB

          • memory/3380-218-0x00007FFAE6A50000-0x00007FFAE6A60000-memory.dmp

            Filesize

            64KB

          • memory/3380-219-0x00007FFAE6A50000-0x00007FFAE6A60000-memory.dmp

            Filesize

            64KB

          • memory/3380-220-0x00007FFAE6A50000-0x00007FFAE6A60000-memory.dmp

            Filesize

            64KB

          • memory/3380-221-0x00007FFAE6A50000-0x00007FFAE6A60000-memory.dmp

            Filesize

            64KB

          • memory/3656-177-0x0000000180000000-0x000000018002D000-memory.dmp

            Filesize

            180KB

          • memory/3656-179-0x0000000000B00000-0x0000000000B01000-memory.dmp

            Filesize

            4KB