Analysis

  • max time kernel
    14s
  • max time network
    134s
  • platform
    windows10-1703_x64
  • resource
    win10-20230220-en
  • resource tags

    arch:x64arch:x86image:win10-20230220-enlocale:en-usos:windows10-1703-x64system
  • submitted
    21-03-2023 23:37

General

  • Target

    491c00fdd923fa108534bd756d671604221dee6045876c38003a9608984c87fb.doc

  • Size

    321KB

  • MD5

    b6959d69ea9e910ef9845a747dbf4ec6

  • SHA1

    db842a6f2c9a87016e9ad57e0eb247ba30929607

  • SHA256

    491c00fdd923fa108534bd756d671604221dee6045876c38003a9608984c87fb

  • SHA512

    49c9ec40b7a05a7a821f9fbea15b04666f959ef7a6a2521bf5e6384de25e1e0f72dd287849ad0ddc4c134b6db4d2c4b219cbd77ba9de9da83e37a3c101c2ecc0

  • SSDEEP

    6144:5BmDosGlcH4WGDsxsefRA9mJpoiCam9K+7mlOCFu4:T0osG+gDsaoRRpoDaGfZyu

Malware Config

Extracted

Family

emotet

Botnet

Epoch4

C2

213.239.212.5:443

129.232.188.93:443

103.43.75.120:443

197.242.150.244:8080

1.234.2.232:8080

110.232.117.186:8080

95.217.221.146:8080

159.89.202.34:443

159.65.88.10:8080

82.223.21.224:8080

169.57.156.166:8080

45.176.232.124:443

45.235.8.30:8080

173.212.193.249:8080

107.170.39.149:8080

119.59.103.152:8080

167.172.199.165:8080

91.207.28.33:8080

185.4.135.165:8080

104.168.155.143:8080

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 SetWindowsHookEx 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.

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\491c00fdd923fa108534bd756d671604221dee6045876c38003a9608984c87fb.doc" /o ""
    1⤵
    • Checks processor information in registry
    • Enumerates system info in registry
    • Suspicious behavior: AddClipboardFormatListener
    • Suspicious use of SetWindowsHookEx
    PID:2168
    • C:\Windows\System32\regsvr32.exe
      "C:\Windows\System32\regsvr32.exe" /s "C:\Users\Admin\AppData\Local\Temp\233725.tmp"
      2⤵
      • Process spawned unexpected child process
      PID:1000
      • C:\Windows\system32\regsvr32.exe
        C:\Windows\system32\regsvr32.exe "C:\Windows\system32\OsybHuYpURkEp\NqMWi.dll"
        3⤵
          PID:620

    Network

    MITRE ATT&CK Matrix ATT&CK v6

    Discovery

    Query Registry

    3
    T1012

    System Information Discovery

    2
    T1082

    Replay Monitor

    Loading Replay Monitor...

    Downloads

    • C:\Users\Admin\AppData\Local\Temp\233725.tmp
      Filesize

      228.6MB

      MD5

      fe17632140c29f0aee770dbc5f3e3222

      SHA1

      f1006eca2321fb7e8823f5b6227e573d93e1410c

      SHA256

      f67df49c4668826b0cb2384276337245cc68169487c9f9b00902c8f27d9e58ad

      SHA512

      a548a20f72e3ceafcfc8111d33e1f3c9c1d27a00a11e4cf01397182081cdfd03e9f6e963022ef1b02c68ed75df18d8185b957d739869ee83892b179c4dbad976

    • C:\Users\Admin\AppData\Local\Temp\233728.zip
      Filesize

      973KB

      MD5

      190d5c8eab598f7e99284dab0dd18ea9

      SHA1

      43dbfafd70a0742d964ff4444d6fc41d7c9dd0fa

      SHA256

      17c986a56a0e2d196e59f7c8fce110a5f3a699a51e835c4b74efdc95144a0615

      SHA512

      fd93aa96ca4493500445c6fbe8cd8b68694f7e6daac74e06df7686bfe9e8c85c2bc33a8e4a1285cb65a18c368b1f1a654c95191ef159fb57b620e15cd6951451

    • \Users\Admin\AppData\Local\Temp\233725.tmp
      Filesize

      228.8MB

      MD5

      bdccbcf4742abbd90ae668250a74c750

      SHA1

      4ab375f22c33637c30c5792a36571848c98ef072

      SHA256

      20a969adfbf2007a485eb269d285f2e6fcee7492f6afd034bef91d38cb5b82d0

      SHA512

      6ee727451153f006c3e20f3bf67d620db14947fa0d8e3e2f663b8f30a229b0c79740290f9f2f8f5aed8ca4909dfbc8c8e9b5fe7e2567f2e703ca568eaf0dc46e

    • memory/1000-336-0x0000000002AC0000-0x0000000002B1A000-memory.dmp
      Filesize

      360KB

    • memory/1000-350-0x0000000001170000-0x0000000001171000-memory.dmp
      Filesize

      4KB

    • memory/2168-127-0x00007FF7E8F10000-0x00007FF7E8F20000-memory.dmp
      Filesize

      64KB

    • memory/2168-128-0x00007FF7E8F10000-0x00007FF7E8F20000-memory.dmp
      Filesize

      64KB

    • memory/2168-124-0x00007FF7EC640000-0x00007FF7EC650000-memory.dmp
      Filesize

      64KB

    • memory/2168-123-0x00007FF7EC640000-0x00007FF7EC650000-memory.dmp
      Filesize

      64KB

    • memory/2168-122-0x00007FF7EC640000-0x00007FF7EC650000-memory.dmp
      Filesize

      64KB

    • memory/2168-121-0x00007FF7EC640000-0x00007FF7EC650000-memory.dmp
      Filesize

      64KB

    • memory/2168-450-0x00007FF7EC640000-0x00007FF7EC650000-memory.dmp
      Filesize

      64KB

    • memory/2168-451-0x00007FF7EC640000-0x00007FF7EC650000-memory.dmp
      Filesize

      64KB

    • memory/2168-449-0x00007FF7EC640000-0x00007FF7EC650000-memory.dmp
      Filesize

      64KB

    • memory/2168-448-0x00007FF7EC640000-0x00007FF7EC650000-memory.dmp
      Filesize

      64KB