Analysis

  • max time kernel
    13s
  • max time network
    147s
  • 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, 08:44

General

  • Target

    Rep_97915979.doc

  • Size

    534.3MB

  • MD5

    e7483391a9b507ecbdfa411553650531

  • SHA1

    fdb26fdd782b2ac4dd26bb4e038730c2defb3918

  • SHA256

    a99eb971a4d11235924443dfd0308e731205b6320e6939526d94f91a43c64248

  • SHA512

    e40f21a2919036fca9f54bc7f2926777cb7890195ac22f789bddab0bf9e08403f69fcb493c3214dd9ffdaa65c0812885fd75d119dcd32a59133a3dccc85e1e1d

  • 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.

  • 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\Rep_97915979.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:2160
    • C:\Windows\System32\regsvr32.exe
      "C:\Windows\System32\regsvr32.exe" /s "C:\Users\Admin\AppData\Local\Temp\094702.tmp"
      2⤵
      • Process spawned unexpected child process
      PID:4212
      • C:\Windows\system32\regsvr32.exe
        C:\Windows\system32\regsvr32.exe "C:\Windows\system32\ClLxcntlEjzyxRZ\bDvnXJbgPN.dll"
        3⤵
          PID:4224

    Network

          MITRE ATT&CK Enterprise v6

          Replay Monitor

          Loading Replay Monitor...

          Downloads

          • C:\Users\Admin\AppData\Local\Temp\094702.tmp

            Filesize

            510.2MB

            MD5

            dd08be60bebf4845e28d2be861ae91bf

            SHA1

            b8acef89dca14d3b0e14edebfce1369c26f5c7e2

            SHA256

            269f1c954921bdf9feb999b5506b514ae8430a948d58baca9b0dc393b87e22b4

            SHA512

            ce109d403e64a148ae277f512a5a7dda8cd79138fb59aa7c625c40cf36e7e002c7b40dcfdae74fbf025a7cf3481fae3c84f9b161a7f896fa3611b63765b9c919

          • C:\Users\Admin\AppData\Local\Temp\094702.tmp

            Filesize

            488.3MB

            MD5

            d8e5609bac43bc33f1181d54efd43ad2

            SHA1

            9afa35a90c9c599f4f7dfcab4b5a5ecf76d7d959

            SHA256

            6f5ca58d5dd0b40836bca674f623bbbad13a44d89bf617c1b35bdfea24a7be7e

            SHA512

            ab6258356f340c9de55d6356d27d3c019d43e9e17efc5c6f0c177d0f3e22c8958d483d2b85d942f5e926729f830da9bcf733c8333dd0f1d7878300a029889fc0

          • C:\Users\Admin\AppData\Local\Temp\094702.tmp

            Filesize

            543.7MB

            MD5

            10d06673f1cdeb8164c37974f22af5e6

            SHA1

            2410d65e5d971d4793e26601ae79aabc3b780811

            SHA256

            0ea8aa916237b8c56266eaa242153eff8f19dd85ade9d6bc0c3c065909415325

            SHA512

            b4142923c6a1c37208f95e59cfb09b4ff885503b0d115a77bf38bc957ee8931b24aeef1895f8e4ff0f7fe7ad3c1eabe3a3c21e9c2b83794a5950ee4f83ce060b

          • C:\Users\Admin\AppData\Local\Temp\094704.zip

            Filesize

            879KB

            MD5

            7d74461b5fd70928dc244547869f8244

            SHA1

            0a69beecdd517a2b9e618147856367fceae23bd4

            SHA256

            335051721cda978a48a4e088a1d1cdf3c982a46a64d438fc153b187eef2eb86b

            SHA512

            4f7c40b88e1abfc258d3a8ae620b1c70c47996f57041d39435f32dcbcc7d318dbc48ca41262a2604dd468db15a30532edab8358b5dc8ee8b1f5f16f02a7d20eb

          • C:\Windows\System32\ClLxcntlEjzyxRZ\bDvnXJbgPN.dll

            Filesize

            433.4MB

            MD5

            26b68c499429778bfeec6e681401d58b

            SHA1

            c9e6531ce46471c4397c83d0184728501eb92d2a

            SHA256

            87e82be091f7cd189161947d4dd3e4f266c2c81a9e39191fdb786202c3c72be4

            SHA512

            c7f8e08e81afb2ec1d0aab5437df256c88d53c730d363badb5326a621005ae18e213a0835aae5cfc22024fe61d7ff29624e5d273fe70e91e46a9055b4ac1eeab

          • C:\Windows\System32\ClLxcntlEjzyxRZ\bDvnXJbgPN.dll

            Filesize

            383.4MB

            MD5

            b816345283647de22b63703131b0f563

            SHA1

            e4af8f4d9f23b1e70b728d922db497d232c5d1c0

            SHA256

            27d70382518ce0b1ba6eeef36ca39db6432c25df41ba4821566f090968b30037

            SHA512

            ae538022bf426021844ae633d35bce793c279b355aaad778a40a291568c96a4a55c79985978fe92924fb107708b83c33d7c4c882358a7e9f5061c5653e9deaf9

          • memory/2160-137-0x00007FFFBFC30000-0x00007FFFBFC40000-memory.dmp

            Filesize

            64KB

          • memory/2160-139-0x00007FFFBDBD0000-0x00007FFFBDBE0000-memory.dmp

            Filesize

            64KB

          • memory/2160-138-0x00007FFFBDBD0000-0x00007FFFBDBE0000-memory.dmp

            Filesize

            64KB

          • memory/2160-133-0x00007FFFBFC30000-0x00007FFFBFC40000-memory.dmp

            Filesize

            64KB

          • memory/2160-136-0x00007FFFBFC30000-0x00007FFFBFC40000-memory.dmp

            Filesize

            64KB

          • memory/2160-135-0x00007FFFBFC30000-0x00007FFFBFC40000-memory.dmp

            Filesize

            64KB

          • memory/2160-134-0x00007FFFBFC30000-0x00007FFFBFC40000-memory.dmp

            Filesize

            64KB

          • memory/4212-177-0x00000000021B0000-0x0000000002260000-memory.dmp

            Filesize

            704KB

          • memory/4212-179-0x0000000180000000-0x000000018002D000-memory.dmp

            Filesize

            180KB

          • memory/4212-185-0x0000000000900000-0x0000000000901000-memory.dmp

            Filesize

            4KB

          • memory/4212-186-0x00000000021B0000-0x0000000002260000-memory.dmp

            Filesize

            704KB

          • memory/4224-190-0x0000000002300000-0x00000000023B0000-memory.dmp

            Filesize

            704KB

          • memory/4224-195-0x0000000002300000-0x00000000023B0000-memory.dmp

            Filesize

            704KB