Analysis

  • max time kernel
    313s
  • max time network
    320s
  • platform
    windows10-1703_x64
  • resource
    win10-20230220-en
  • resource tags

    arch:x64arch:x86image:win10-20230220-enlocale:en-usos:windows10-1703-x64system
  • submitted
    08/03/2023, 09:27

General

  • Target

    427927294761380652236__2023-08-03_1109.doc

  • Size

    513.3MB

  • MD5

    6564296ad94567c05c8c60c92d58f1b0

  • SHA1

    cbf8c111571d4edf4176591f1cc5849a5071bf35

  • SHA256

    820936c152fcb0930d83640c9879a04b8b1dc676b4b42d1f376bb92d475257a9

  • SHA512

    13946cbac1606449f1da79d946d0df55bb904b35bad78266800bc77b138fac6013f685e739106003dde451e9e8c92ad0544cefc4f623552d8fd42f689058b865

  • 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 1 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 2 IoCs
  • Suspicious behavior: GetForegroundWindowSpam 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 4 IoCs
  • Suspicious use of FindShellTrayWindow 5 IoCs
  • Suspicious use of SetWindowsHookEx 28 IoCs
  • Suspicious use of WriteProcessMemory 4 IoCs
  • Uses Task Scheduler COM API 1 TTPs

    The Task Scheduler COM API can be used to schedule applications to run on boot or at set times.

  • Uses Volume Shadow Copy WMI provider

    The Volume Shadow Copy service is used to manage backups/snapshots.

  • Uses Volume Shadow Copy service COM API

    The Volume Shadow Copy service is used to manage backups/snapshots.

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\427927294761380652236__2023-08-03_1109.doc" /o ""
    1⤵
    • Checks processor information in registry
    • Enumerates system info in registry
    • Suspicious behavior: AddClipboardFormatListener
    • Suspicious behavior: GetForegroundWindowSpam
    • Suspicious use of FindShellTrayWindow
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:4116
    • C:\Windows\System32\regsvr32.exe
      "C:\Windows\System32\regsvr32.exe" /s "C:\Users\Admin\AppData\Local\Temp\102829.tmp"
      2⤵
      • Process spawned unexpected child process
      • Loads dropped DLL
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of WriteProcessMemory
      PID:1092
      • C:\Windows\system32\regsvr32.exe
        C:\Windows\system32\regsvr32.exe "C:\Windows\system32\OoyumLdrXacUmb\DCeHID.dll"
        3⤵
          PID:1232
    • C:\Windows\System32\rundll32.exe
      C:\Windows\System32\rundll32.exe C:\Windows\System32\shell32.dll,SHCreateLocalServerRunDll {9aa46009-3ce0-458a-a354-715610a075e6} -Embedding
      1⤵
        PID:3768
      • C:\Program Files\7-Zip\7zG.exe
        "C:\Program Files\7-Zip\7zG.exe" x -o"C:\Users\Admin\AppData\Local\Temp\102831\" -spe -an -ai#7zMap17439:92:7zEvent14085
        1⤵
        • Suspicious use of AdjustPrivilegeToken
        • Suspicious use of FindShellTrayWindow
        PID:4748

      Network

            MITRE ATT&CK Enterprise v6

            Replay Monitor

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            Downloads

            • C:\Users\Admin\AppData\Local\Temp\102829.tmp

              Filesize

              516.7MB

              MD5

              17aa8e88ec9a9880480f13ec5355ac22

              SHA1

              7c342e547e70d4d6daae44d4bf0e66d67b06de12

              SHA256

              181491fae77d98ce9bb1deddc6c1b53da04f9994c55faf96c5c4bee3c2105097

              SHA512

              1323637048423882f84baf4fec83fb269f2c0aec9ef40445e487f22a898bdc4992826b4b5891d2fe2cacd58723cadffc1294cf205c9291b405ef96b4fe59ae43

            • C:\Users\Admin\AppData\Local\Temp\102831.zip

              Filesize

              852KB

              MD5

              b68294947488080ff0a99def9ed22c4b

              SHA1

              8bf91771e28c84adb2ad80e92e9d4e13e6c52b6c

              SHA256

              ae869a73754e3cd48c17ca12821abf2d188aeea7603b412f4fc7d5d0b6b2d9a3

              SHA512

              68943596f0cac042deddd5893aba1d625cb2420238f858b5a0a372c932228e4fc7f4a0ca9cb1fe84852949137c40192058659ed058f2c0b5d7b1730448d2ad41

            • C:\Users\Admin\AppData\Roaming\Microsoft\UProof\ExcludeDictionaryEN0409.lex

              Filesize

              2B

              MD5

              f3b25701fe362ec84616a93a45ce9998

              SHA1

              d62636d8caec13f04e28442a0a6fa1afeb024bbb

              SHA256

              b3d510ef04275ca8e698e5b3cbb0ece3949ef9252f0cdc839e9ee347409a2209

              SHA512

              98c5f56f3de340690c139e58eb7dac111979f0d4dffe9c4b24ff849510f4b6ffa9fd608c0a3de9ac3c9fd2190f0efaf715309061490f9755a9bfdf1c54ca0d84

            • \Users\Admin\AppData\Local\Temp\102829.tmp

              Filesize

              516.7MB

              MD5

              17aa8e88ec9a9880480f13ec5355ac22

              SHA1

              7c342e547e70d4d6daae44d4bf0e66d67b06de12

              SHA256

              181491fae77d98ce9bb1deddc6c1b53da04f9994c55faf96c5c4bee3c2105097

              SHA512

              1323637048423882f84baf4fec83fb269f2c0aec9ef40445e487f22a898bdc4992826b4b5891d2fe2cacd58723cadffc1294cf205c9291b405ef96b4fe59ae43

            • memory/1092-321-0x0000000180000000-0x000000018002D000-memory.dmp

              Filesize

              180KB

            • memory/1092-330-0x00000000013E0000-0x00000000013E1000-memory.dmp

              Filesize

              4KB

            • memory/1092-343-0x0000000000400000-0x00000000004B0000-memory.dmp

              Filesize

              704KB

            • memory/4116-122-0x00007FF8E16E0000-0x00007FF8E16F0000-memory.dmp

              Filesize

              64KB

            • memory/4116-123-0x00007FF8E16E0000-0x00007FF8E16F0000-memory.dmp

              Filesize

              64KB

            • memory/4116-119-0x00007FF8E5160000-0x00007FF8E5170000-memory.dmp

              Filesize

              64KB

            • memory/4116-118-0x00007FF8E5160000-0x00007FF8E5170000-memory.dmp

              Filesize

              64KB

            • memory/4116-117-0x00007FF8E5160000-0x00007FF8E5170000-memory.dmp

              Filesize

              64KB

            • memory/4116-116-0x00007FF8E5160000-0x00007FF8E5170000-memory.dmp

              Filesize

              64KB