Analysis

  • max time kernel
    145s
  • max time network
    153s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20230221-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20230221-enlocale:en-usos:windows10-2004-x64system
  • submitted
    08/03/2023, 06:14

General

  • Target

    Invoice Copies 2023-03-07_1554, United States.doc

  • Size

    502.3MB

  • MD5

    a59e9fe46fe7ccd8c74b1dc39553d1a5

  • SHA1

    6b2699157dd7bb19cdb7f0ffb959c20c90318e9c

  • SHA256

    4792472bd90dab5885a789793a3309109b7f8d305203faa011d92b0efdf1720b

  • SHA512

    cfc9951ccf2e7001184b71855c1074c5c8a74b8739494121f5df6f8151d90af6ff5f9ea6b524f71fc4d5b3a3ded608172372c49cb9f7771c6594cb19d179435d

  • 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\Invoice Copies 2023-03-07_1554, United States.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:2744
    • C:\Windows\System32\regsvr32.exe
      "C:\Windows\System32\regsvr32.exe" /s "C:\Users\Admin\AppData\Local\Temp\071545.tmp"
      2⤵
      • Process spawned unexpected child process
      • Loads dropped DLL
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of WriteProcessMemory
      PID:1668
      • C:\Windows\system32\regsvr32.exe
        C:\Windows\system32\regsvr32.exe "C:\Windows\system32\IxqYEWXFwprGnX\gQoZYFZQ.dll"
        3⤵
        • Loads dropped DLL
        • Adds Run key to start application
        • Suspicious behavior: EnumeratesProcesses
        PID:3776

Network

        MITRE ATT&CK Enterprise v6

        Replay Monitor

        Loading Replay Monitor...

        Downloads

        • C:\Users\Admin\AppData\Local\Temp\071545.tmp

          Filesize

          528.7MB

          MD5

          8467d39bd97385af80831fec91fc38bb

          SHA1

          27da57182e02b32adedbdea812d0107506e66a10

          SHA256

          73b63b12507b780f6e37ebc5a86ddd75edaa88895c32b0e04a6d41ead78f77b4

          SHA512

          a340986c205891e4b64405b12e5286d945e05c3278ceaa9fc19523058b982247f9893796632410d50f81045c0a0a2788a5af7a0ffdc7d38c467c728e8a95042e

        • C:\Users\Admin\AppData\Local\Temp\071545.tmp

          Filesize

          528.7MB

          MD5

          8467d39bd97385af80831fec91fc38bb

          SHA1

          27da57182e02b32adedbdea812d0107506e66a10

          SHA256

          73b63b12507b780f6e37ebc5a86ddd75edaa88895c32b0e04a6d41ead78f77b4

          SHA512

          a340986c205891e4b64405b12e5286d945e05c3278ceaa9fc19523058b982247f9893796632410d50f81045c0a0a2788a5af7a0ffdc7d38c467c728e8a95042e

        • C:\Users\Admin\AppData\Local\Temp\071547.zip

          Filesize

          864KB

          MD5

          9ad186e479e35bab7859e974b0cbfd65

          SHA1

          9a6191124de81354ffe01922e6348e6ab0830aee

          SHA256

          c8861f1708199dd01294e6d66ebf2bb3951980e177ec646b15291999e6b6a291

          SHA512

          f6578eaefd8a6934a10f0089877494e5c68f2fcf4fb821a5f6f1195b38559fa3086f57a5eaabd0a3efd6c42b4278d6d80d67ce4a4d440e944f9b42da9bde3ecd

        • C:\Windows\System32\IxqYEWXFwprGnX\gQoZYFZQ.dll

          Filesize

          528.7MB

          MD5

          8467d39bd97385af80831fec91fc38bb

          SHA1

          27da57182e02b32adedbdea812d0107506e66a10

          SHA256

          73b63b12507b780f6e37ebc5a86ddd75edaa88895c32b0e04a6d41ead78f77b4

          SHA512

          a340986c205891e4b64405b12e5286d945e05c3278ceaa9fc19523058b982247f9893796632410d50f81045c0a0a2788a5af7a0ffdc7d38c467c728e8a95042e

        • memory/1668-177-0x0000000180000000-0x000000018002D000-memory.dmp

          Filesize

          180KB

        • memory/1668-180-0x0000000000C30000-0x0000000000C31000-memory.dmp

          Filesize

          4KB

        • memory/2744-136-0x00007FFCB6010000-0x00007FFCB6020000-memory.dmp

          Filesize

          64KB

        • memory/2744-137-0x00007FFCB6010000-0x00007FFCB6020000-memory.dmp

          Filesize

          64KB

        • memory/2744-135-0x00007FFCB6010000-0x00007FFCB6020000-memory.dmp

          Filesize

          64KB

        • memory/2744-134-0x00007FFCB6010000-0x00007FFCB6020000-memory.dmp

          Filesize

          64KB

        • memory/2744-139-0x00007FFCB3C70000-0x00007FFCB3C80000-memory.dmp

          Filesize

          64KB

        • memory/2744-138-0x00007FFCB3C70000-0x00007FFCB3C80000-memory.dmp

          Filesize

          64KB

        • memory/2744-133-0x00007FFCB6010000-0x00007FFCB6020000-memory.dmp

          Filesize

          64KB

        • memory/2744-214-0x00007FFCB6010000-0x00007FFCB6020000-memory.dmp

          Filesize

          64KB

        • memory/2744-216-0x00007FFCB6010000-0x00007FFCB6020000-memory.dmp

          Filesize

          64KB

        • memory/2744-215-0x00007FFCB6010000-0x00007FFCB6020000-memory.dmp

          Filesize

          64KB

        • memory/2744-217-0x00007FFCB6010000-0x00007FFCB6020000-memory.dmp

          Filesize

          64KB

        • memory/3776-187-0x0000000000400000-0x00000000004B0000-memory.dmp

          Filesize

          704KB