Analysis

  • max time kernel
    13s
  • max time network
    159s
  • 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, 03:18

General

  • Target

    8018884277287430213822548__2023-08-03_1114.doc

  • Size

    501.3MB

  • MD5

    0b73336fd74afdbaa04abb044c6733fd

  • SHA1

    1f91b4b74c9643631318b4d58f6660bb4d292782

  • SHA256

    922116d96a87d62e02fb7571b39e943929b3a9774dc3ddc47c503cecae42d0b1

  • SHA512

    99141d9b8694a12e89134c2ebd91b2887a7011df4b44498ff55471314ca57bfeabbf30ee90800d9b68615b7c730fda496123b1083378b2c44457e22df044f3e6

  • 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\8018884277287430213822548__2023-08-03_1114.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:1776
    • C:\Windows\System32\regsvr32.exe
      "C:\Windows\System32\regsvr32.exe" /s "C:\Users\Admin\AppData\Local\Temp\041913.tmp"
      2⤵
      • Process spawned unexpected child process
      PID:3532
      • C:\Windows\system32\regsvr32.exe
        C:\Windows\system32\regsvr32.exe "C:\Windows\system32\EnSdkKXa\uPiVy.dll"
        3⤵
          PID:1784

    Network

          MITRE ATT&CK Enterprise v6

          Replay Monitor

          Loading Replay Monitor...

          Downloads

          • C:\Users\Admin\AppData\Local\Temp\041913.tmp

            Filesize

            531.7MB

            MD5

            4e7c0febeab7b8257bb5a9a5b41964be

            SHA1

            e113c92df1a8666abd66330a9eb95c8544137db7

            SHA256

            c070bf966a8d0e9a473685e67bf3091ddda302eb9a54425727a325554aa35ed4

            SHA512

            8761395868d23e267bc9f9237698461bede93f8f89c12589662bd996fd1dacab96636998c7e72729f882faac6df12e1640f2e8375c7a66b45668f93f0708c882

          • C:\Users\Admin\AppData\Local\Temp\041913.tmp

            Filesize

            531.7MB

            MD5

            4e7c0febeab7b8257bb5a9a5b41964be

            SHA1

            e113c92df1a8666abd66330a9eb95c8544137db7

            SHA256

            c070bf966a8d0e9a473685e67bf3091ddda302eb9a54425727a325554aa35ed4

            SHA512

            8761395868d23e267bc9f9237698461bede93f8f89c12589662bd996fd1dacab96636998c7e72729f882faac6df12e1640f2e8375c7a66b45668f93f0708c882

          • C:\Users\Admin\AppData\Local\Temp\041913.tmp

            Filesize

            531.7MB

            MD5

            4e7c0febeab7b8257bb5a9a5b41964be

            SHA1

            e113c92df1a8666abd66330a9eb95c8544137db7

            SHA256

            c070bf966a8d0e9a473685e67bf3091ddda302eb9a54425727a325554aa35ed4

            SHA512

            8761395868d23e267bc9f9237698461bede93f8f89c12589662bd996fd1dacab96636998c7e72729f882faac6df12e1640f2e8375c7a66b45668f93f0708c882

          • C:\Users\Admin\AppData\Local\Temp\041915.zip

            Filesize

            867KB

            MD5

            04841567d303b897660134f8db50a4e6

            SHA1

            dbdd9eb1e160fbd9a91acadfad738dc456a79621

            SHA256

            ad9b12a5471edf6180c452dcc70156d505ea049f1173175234a9b246c2672438

            SHA512

            3d9be2c4c2233941198ffa809b07c06876bace9a0075aea29d9750d73b0c5a7cfe88e890ad1cfbb8c593ada99eda4c49f27e2f2724d85c9317fd4b17fc0c318d

          • C:\Windows\System32\EnSdkKXa\uPiVy.dll

            Filesize

            518.6MB

            MD5

            99fc2d25e908149eea75980d19f6cfa8

            SHA1

            8cd50f0bd63007b96bd2a737f342eee4df48e9f9

            SHA256

            b007774fced30a09837eee37806706979d5896c4856fabbb4272db85bf0d703d

            SHA512

            3c858a6d2b8feeb3904d61711d8e8d5bfef0d3d85214b688578b21918e4e9bff2e0f7052c2ad23385dd9e1430fd81093872e5173383bb415e9f76b17df7d5502

          • memory/1776-138-0x00007FFEAC110000-0x00007FFEAC120000-memory.dmp

            Filesize

            64KB

          • memory/1776-218-0x00007FFEAE470000-0x00007FFEAE480000-memory.dmp

            Filesize

            64KB

          • memory/1776-133-0x00007FFEAE470000-0x00007FFEAE480000-memory.dmp

            Filesize

            64KB

          • memory/1776-137-0x00007FFEAE470000-0x00007FFEAE480000-memory.dmp

            Filesize

            64KB

          • memory/1776-139-0x00007FFEAC110000-0x00007FFEAC120000-memory.dmp

            Filesize

            64KB

          • memory/1776-136-0x00007FFEAE470000-0x00007FFEAE480000-memory.dmp

            Filesize

            64KB

          • memory/1776-135-0x00007FFEAE470000-0x00007FFEAE480000-memory.dmp

            Filesize

            64KB

          • memory/1776-219-0x00007FFEAE470000-0x00007FFEAE480000-memory.dmp

            Filesize

            64KB

          • memory/1776-220-0x00007FFEAE470000-0x00007FFEAE480000-memory.dmp

            Filesize

            64KB

          • memory/1776-134-0x00007FFEAE470000-0x00007FFEAE480000-memory.dmp

            Filesize

            64KB

          • memory/1776-217-0x00007FFEAE470000-0x00007FFEAE480000-memory.dmp

            Filesize

            64KB

          • memory/1784-191-0x0000000000400000-0x00000000004B0000-memory.dmp

            Filesize

            704KB

          • memory/3532-177-0x0000000001F00000-0x0000000001FB0000-memory.dmp

            Filesize

            704KB

          • memory/3532-182-0x0000000001FC0000-0x0000000001FC1000-memory.dmp

            Filesize

            4KB

          • memory/3532-179-0x0000000180000000-0x000000018002D000-memory.dmp

            Filesize

            180KB