Analysis

  • max time kernel
    142s
  • max time network
    155s
  • 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, 09:16

General

  • Target

    20230308_67941_0027.doc

  • Size

    500.3MB

  • MD5

    8309b9d9bc264d02be48159c94cfda59

  • SHA1

    425d0846499519fbf2c0b8def88d5b959337f675

  • SHA256

    a6d45450a1734c4e3b45469c4921862d0ac16b8e19cce98db0325ed4dcbf6bd3

  • SHA512

    9c93715effaecf18d8b8c1f8d4915006fd7d73548712abade79b02c3d0a9897d4fe74bd6a1d4305366ce60fd210bf641e179e6c09711638e8d4535e82a83c328

  • 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\20230308_67941_0027.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:5060
    • C:\Windows\System32\regsvr32.exe
      "C:\Windows\System32\regsvr32.exe" /s "C:\Users\Admin\AppData\Local\Temp\102035.tmp"
      2⤵
      • Process spawned unexpected child process
      • Loads dropped DLL
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of WriteProcessMemory
      PID:1528
      • C:\Windows\system32\regsvr32.exe
        C:\Windows\system32\regsvr32.exe "C:\Windows\system32\DoCnxgGYQ\VPcHmBZ.dll"
        3⤵
        • Loads dropped DLL
        • Adds Run key to start application
        • Suspicious behavior: EnumeratesProcesses
        PID:1104

Network

        MITRE ATT&CK Enterprise v6

        Replay Monitor

        Loading Replay Monitor...

        Downloads

        • C:\Users\Admin\AppData\Local\Temp\102035.tmp

          Filesize

          516.7MB

          MD5

          17aa8e88ec9a9880480f13ec5355ac22

          SHA1

          7c342e547e70d4d6daae44d4bf0e66d67b06de12

          SHA256

          181491fae77d98ce9bb1deddc6c1b53da04f9994c55faf96c5c4bee3c2105097

          SHA512

          1323637048423882f84baf4fec83fb269f2c0aec9ef40445e487f22a898bdc4992826b4b5891d2fe2cacd58723cadffc1294cf205c9291b405ef96b4fe59ae43

        • C:\Users\Admin\AppData\Local\Temp\102035.tmp

          Filesize

          516.7MB

          MD5

          17aa8e88ec9a9880480f13ec5355ac22

          SHA1

          7c342e547e70d4d6daae44d4bf0e66d67b06de12

          SHA256

          181491fae77d98ce9bb1deddc6c1b53da04f9994c55faf96c5c4bee3c2105097

          SHA512

          1323637048423882f84baf4fec83fb269f2c0aec9ef40445e487f22a898bdc4992826b4b5891d2fe2cacd58723cadffc1294cf205c9291b405ef96b4fe59ae43

        • C:\Users\Admin\AppData\Local\Temp\102037.zip

          Filesize

          852KB

          MD5

          b68294947488080ff0a99def9ed22c4b

          SHA1

          8bf91771e28c84adb2ad80e92e9d4e13e6c52b6c

          SHA256

          ae869a73754e3cd48c17ca12821abf2d188aeea7603b412f4fc7d5d0b6b2d9a3

          SHA512

          68943596f0cac042deddd5893aba1d625cb2420238f858b5a0a372c932228e4fc7f4a0ca9cb1fe84852949137c40192058659ed058f2c0b5d7b1730448d2ad41

        • C:\Windows\System32\DoCnxgGYQ\VPcHmBZ.dll

          Filesize

          516.7MB

          MD5

          17aa8e88ec9a9880480f13ec5355ac22

          SHA1

          7c342e547e70d4d6daae44d4bf0e66d67b06de12

          SHA256

          181491fae77d98ce9bb1deddc6c1b53da04f9994c55faf96c5c4bee3c2105097

          SHA512

          1323637048423882f84baf4fec83fb269f2c0aec9ef40445e487f22a898bdc4992826b4b5891d2fe2cacd58723cadffc1294cf205c9291b405ef96b4fe59ae43

        • memory/1104-189-0x0000000000400000-0x00000000004B0000-memory.dmp

          Filesize

          704KB

        • memory/1528-183-0x0000000000400000-0x00000000004B0000-memory.dmp

          Filesize

          704KB

        • memory/1528-174-0x0000000180000000-0x000000018002D000-memory.dmp

          Filesize

          180KB

        • memory/1528-177-0x00000000013F0000-0x00000000013F1000-memory.dmp

          Filesize

          4KB

        • memory/5060-133-0x00007FF7D4A70000-0x00007FF7D4A80000-memory.dmp

          Filesize

          64KB

        • memory/5060-137-0x00007FF7D4A70000-0x00007FF7D4A80000-memory.dmp

          Filesize

          64KB

        • memory/5060-136-0x00007FF7D4A70000-0x00007FF7D4A80000-memory.dmp

          Filesize

          64KB

        • memory/5060-138-0x00007FF7D2740000-0x00007FF7D2750000-memory.dmp

          Filesize

          64KB

        • memory/5060-139-0x00007FF7D2740000-0x00007FF7D2750000-memory.dmp

          Filesize

          64KB

        • memory/5060-135-0x00007FF7D4A70000-0x00007FF7D4A80000-memory.dmp

          Filesize

          64KB

        • memory/5060-134-0x00007FF7D4A70000-0x00007FF7D4A80000-memory.dmp

          Filesize

          64KB

        • memory/5060-215-0x00007FF7D4A70000-0x00007FF7D4A80000-memory.dmp

          Filesize

          64KB

        • memory/5060-216-0x00007FF7D4A70000-0x00007FF7D4A80000-memory.dmp

          Filesize

          64KB

        • memory/5060-217-0x00007FF7D4A70000-0x00007FF7D4A80000-memory.dmp

          Filesize

          64KB

        • memory/5060-218-0x00007FF7D4A70000-0x00007FF7D4A80000-memory.dmp

          Filesize

          64KB