Analysis

  • max time kernel
    142s
  • 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, 06:35

General

  • Target

    report 03 08 2023.doc

  • Size

    522.3MB

  • MD5

    2148a6a2bef5a35ce5665cbc12d5e474

  • SHA1

    2e87b33309c888ab7d655e92a45a31f15753fdee

  • SHA256

    f616da0ebb4f984aecd40da922c0cdf70987643a86afadc969aa76598120cd5d

  • SHA512

    fb232985018569cdbba001273278a6128af1395e1dc4631b023a0c49fefffd43a93dd6b0332c2cc634aa87d850ea2866614cacb6b064e57f4d48c7b41b60ea4c

  • 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 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\report 03 08 2023.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:2592
    • C:\Windows\System32\regsvr32.exe
      "C:\Windows\System32\regsvr32.exe" /s "C:\Users\Admin\AppData\Local\Temp\073721.tmp"
      2⤵
      • Process spawned unexpected child process
      • Loads dropped DLL
      PID:4840
      • C:\Windows\system32\regsvr32.exe
        C:\Windows\system32\regsvr32.exe "C:\Windows\system32\LekfBFmQMquzjvHee\vYrhHePTrl.dll"
        3⤵
        • Loads dropped DLL
        • Adds Run key to start application
        • Suspicious behavior: EnumeratesProcesses
        PID:2336

Network

        MITRE ATT&CK Enterprise v6

        Replay Monitor

        Loading Replay Monitor...

        Downloads

        • C:\Users\Admin\AppData\Local\Temp\073721.tmp

          Filesize

          546.7MB

          MD5

          4f214becc5f8ac8bd13adef8437f7002

          SHA1

          a3b804db0726191408db0dd6fd82c8d8bd5722d0

          SHA256

          d7282f411b6f68f5c3a1657eb37a0f550d9d966a169b9290043d9e93b5f18ba3

          SHA512

          4f852216ca25459b2e2f2961d8a7acb011cccbe712a3eb54677967b92ecb9289a4770de3b7716a52f96aa33233b04607e63070e00a5c05fae078e399b3d1d9fe

        • C:\Users\Admin\AppData\Local\Temp\073721.tmp

          Filesize

          546.7MB

          MD5

          4f214becc5f8ac8bd13adef8437f7002

          SHA1

          a3b804db0726191408db0dd6fd82c8d8bd5722d0

          SHA256

          d7282f411b6f68f5c3a1657eb37a0f550d9d966a169b9290043d9e93b5f18ba3

          SHA512

          4f852216ca25459b2e2f2961d8a7acb011cccbe712a3eb54677967b92ecb9289a4770de3b7716a52f96aa33233b04607e63070e00a5c05fae078e399b3d1d9fe

        • C:\Users\Admin\AppData\Local\Temp\073723.zip

          Filesize

          882KB

          MD5

          d347a9e713947d67f6f575738ef07cd7

          SHA1

          f51f3983960517b07bb97f5ba5495480a31c8c0f

          SHA256

          22babdda065e864cc6309f90833994a36353ae21d3a7be6e3aafaf51024448f0

          SHA512

          5aef4fe8dbf87c3ff7e11af5e76912ef4e91e51246935132ee38a404c1f86cc464b527c2d47750930472121a23d1741e7c8e57f5ce41904af0d065bf6555a651

        • C:\Windows\System32\LekfBFmQMquzjvHee\vYrhHePTrl.dll

          Filesize

          546.7MB

          MD5

          4f214becc5f8ac8bd13adef8437f7002

          SHA1

          a3b804db0726191408db0dd6fd82c8d8bd5722d0

          SHA256

          d7282f411b6f68f5c3a1657eb37a0f550d9d966a169b9290043d9e93b5f18ba3

          SHA512

          4f852216ca25459b2e2f2961d8a7acb011cccbe712a3eb54677967b92ecb9289a4770de3b7716a52f96aa33233b04607e63070e00a5c05fae078e399b3d1d9fe

        • memory/2336-187-0x0000000000400000-0x00000000004B0000-memory.dmp

          Filesize

          704KB

        • memory/2592-136-0x00007FF9AE2F0000-0x00007FF9AE300000-memory.dmp

          Filesize

          64KB

        • memory/2592-139-0x00007FF9ABAA0000-0x00007FF9ABAB0000-memory.dmp

          Filesize

          64KB

        • memory/2592-137-0x00007FF9AE2F0000-0x00007FF9AE300000-memory.dmp

          Filesize

          64KB

        • memory/2592-134-0x00007FF9AE2F0000-0x00007FF9AE300000-memory.dmp

          Filesize

          64KB

        • memory/2592-135-0x00007FF9AE2F0000-0x00007FF9AE300000-memory.dmp

          Filesize

          64KB

        • memory/2592-133-0x00007FF9AE2F0000-0x00007FF9AE300000-memory.dmp

          Filesize

          64KB

        • memory/2592-138-0x00007FF9ABAA0000-0x00007FF9ABAB0000-memory.dmp

          Filesize

          64KB

        • memory/2592-214-0x00007FF9AE2F0000-0x00007FF9AE300000-memory.dmp

          Filesize

          64KB

        • memory/2592-215-0x00007FF9AE2F0000-0x00007FF9AE300000-memory.dmp

          Filesize

          64KB

        • memory/2592-216-0x00007FF9AE2F0000-0x00007FF9AE300000-memory.dmp

          Filesize

          64KB

        • memory/2592-217-0x00007FF9AE2F0000-0x00007FF9AE300000-memory.dmp

          Filesize

          64KB

        • memory/4840-174-0x0000000180000000-0x000000018002D000-memory.dmp

          Filesize

          180KB

        • memory/4840-177-0x00000000009D0000-0x00000000009D1000-memory.dmp

          Filesize

          4KB