Analysis

  • max time kernel
    146s
  • max time network
    149s
  • 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

    b6c8bc00e90ec6914272a9c099be7e8f249ccbaad0a0736133209fc9d47678c5.doc

  • Size

    231KB

  • MD5

    c53dd8ae3727ecb19a8a009476863f14

  • SHA1

    f314783d12a8bd97333b0e524897811b155dcfcb

  • SHA256

    b6c8bc00e90ec6914272a9c099be7e8f249ccbaad0a0736133209fc9d47678c5

  • SHA512

    fa4d072f4f6329eab723931a8e4b8ec4d0bc23e84700999b78b552afe7ab64d1e0e2aebb51b55cedd7619033024e377ee42b33ba6daa86c1140174ad05faff63

  • SSDEEP

    6144:NoK2NIve7Crm2S+sgD22TMp7Gw8WL2/URpM:Kgm7CC2rD2J74ApM

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.

  • 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 use of SetWindowsHookEx 8 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\b6c8bc00e90ec6914272a9c099be7e8f249ccbaad0a0736133209fc9d47678c5.doc" /o ""
    1⤵
    • Checks processor information in registry
    • Enumerates system info in registry
    • Suspicious behavior: AddClipboardFormatListener
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:4104
    • C:\Windows\System32\regsvr32.exe
      "C:\Windows\System32\regsvr32.exe" /s "C:\Users\Admin\AppData\Local\Temp\003729.tmp"
      2⤵
      • Process spawned unexpected child process
      • Loads dropped DLL
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of WriteProcessMemory
      PID:652
      • C:\Windows\system32\regsvr32.exe
        C:\Windows\system32\regsvr32.exe "C:\Windows\system32\VBDbh\HGhwLGIvXgXI.dll"
        3⤵
          PID:1244

    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\003729.tmp
      Filesize

      513.9MB

      MD5

      e9f7a3236613a43cb55ff0de34717aa1

      SHA1

      35733e63fdb1a122a79af9ba82ebb043d1a0804e

      SHA256

      fbd8b34e1c6f5fec3dceec4c857b260cacf82166d1e7062594cbe30392b632db

      SHA512

      60b2f0d81a68b37590a293fa47472ff8f45862faffddc3772bcf2862f40b759903c50cc9300a1aa15a41ad26e918629dad2c207b149f5215d66f5a4954fd2e1b

    • C:\Users\Admin\AppData\Local\Temp\003730.zip
      Filesize

      953KB

      MD5

      a0be50214dfd69fb2102fa6d33d0b308

      SHA1

      311ef8772a19322e41ccbb380ba79ff2bc779de6

      SHA256

      13cbf971d2c9e4cd0326a1164c4be0349b050a60fd067a4c162b7b7dead1d345

      SHA512

      6a8098b558681b7a531b8024e78a657241bd1ada1a4a67809ec6cae2532af204ac8b82f11a050f03a2dcd6e75076d2f1b7a69e1b839355bcacbfaaa979836350

    • \Users\Admin\AppData\Local\Temp\003729.tmp
      Filesize

      513.9MB

      MD5

      e9f7a3236613a43cb55ff0de34717aa1

      SHA1

      35733e63fdb1a122a79af9ba82ebb043d1a0804e

      SHA256

      fbd8b34e1c6f5fec3dceec4c857b260cacf82166d1e7062594cbe30392b632db

      SHA512

      60b2f0d81a68b37590a293fa47472ff8f45862faffddc3772bcf2862f40b759903c50cc9300a1aa15a41ad26e918629dad2c207b149f5215d66f5a4954fd2e1b

    • memory/652-325-0x00000000010B0000-0x000000000110A000-memory.dmp
      Filesize

      360KB

    • memory/652-345-0x0000000000BF0000-0x0000000000BF1000-memory.dmp
      Filesize

      4KB

    • memory/4104-125-0x00007FFD80340000-0x00007FFD80350000-memory.dmp
      Filesize

      64KB

    • memory/4104-126-0x00007FFD80340000-0x00007FFD80350000-memory.dmp
      Filesize

      64KB

    • memory/4104-122-0x00007FFD839E0000-0x00007FFD839F0000-memory.dmp
      Filesize

      64KB

    • memory/4104-121-0x00007FFD839E0000-0x00007FFD839F0000-memory.dmp
      Filesize

      64KB

    • memory/4104-120-0x00007FFD839E0000-0x00007FFD839F0000-memory.dmp
      Filesize

      64KB

    • memory/4104-119-0x00007FFD839E0000-0x00007FFD839F0000-memory.dmp
      Filesize

      64KB

    • memory/4104-436-0x00007FFD839E0000-0x00007FFD839F0000-memory.dmp
      Filesize

      64KB

    • memory/4104-437-0x00007FFD839E0000-0x00007FFD839F0000-memory.dmp
      Filesize

      64KB

    • memory/4104-438-0x00007FFD839E0000-0x00007FFD839F0000-memory.dmp
      Filesize

      64KB

    • memory/4104-439-0x00007FFD839E0000-0x00007FFD839F0000-memory.dmp
      Filesize

      64KB