Analysis

  • max time kernel
    17s
  • max time network
    130s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20230220-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20230220-enlocale:en-usos:windows10-2004-x64system
  • submitted
    10-03-2023 09:39

General

  • Target

    2023-03-08_1254.doc

  • Size

    515.3MB

  • MD5

    56fa3a6a45a6c48a6582c8ce100cb094

  • SHA1

    79fa05d995a6dab74a6b85259ad83533fb4ecd08

  • SHA256

    b4337a636049658bd281de947f0357e33efa17f3f80c3904d959cf6777df001d

  • SHA512

    c65a4eab76532c4ca48eefe5814affc614b990eb2eac3e7cbcfe308ef9f0521382c9562be5aed5c338ddb9d761c3da66eda9de4638990c794bd33bc640252b35

  • 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 use of FindShellTrayWindow 3 IoCs
  • Suspicious use of SetWindowsHookEx 4 IoCs
  • Suspicious use of WriteProcessMemory 2 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\2023-03-08_1254.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:736
    • C:\Windows\System32\regsvr32.exe
      "C:\Windows\System32\regsvr32.exe" /s "C:\Users\Admin\AppData\Local\Temp\094022.tmp"
      2⤵
      • Process spawned unexpected child process
      • Loads dropped DLL
      PID:1640
      • C:\Windows\system32\regsvr32.exe
        C:\Windows\system32\regsvr32.exe "C:\Windows\system32\MCNhG\FBMOscZERzPTnAHt.dll"
        3⤵
          PID:368

    Network

    MITRE ATT&CK Enterprise v6

    Replay Monitor

    Loading Replay Monitor...

    Downloads

    • C:\Users\Admin\AppData\Local\Temp\094022.tmp

      Filesize

      419.5MB

      MD5

      b80ae21470caae222ae63db6d7a745fa

      SHA1

      62c71698608c5334b297044fe96f9da7887d4c44

      SHA256

      e3da11e2e2a412e6697cd5dc8c2ffdc99a9634c967633423481d9ef0f1698d0c

      SHA512

      4fcce7a50fe21f2bdd8049eda8a5e88ab9295ec35dd61e752233c6ddf1068eacbd0172b72eaa06c82f2c17f284603157bb61d41c84d85d40cd0802f84b4d61c4

    • C:\Users\Admin\AppData\Local\Temp\094022.tmp

      Filesize

      429.0MB

      MD5

      d0e6e226d62ba8930383d2d6072ef1b0

      SHA1

      6245972738e40981a54e6ca8bdbe7f8d743e7a07

      SHA256

      702a0a5ef584c36d5cb4cafba7a4dc0a5e3ff45d0172a68cfdd82d1c4503d350

      SHA512

      8885929b2285b3e2c49471fbb47a99a54463ed2c1391595d5565b1a181fd3d8a270cd26fbf805bfc9644e668cca66fefa3997d2c15f0713086fb197a5a018722

    • C:\Users\Admin\AppData\Local\Temp\094023.zip

      Filesize

      867KB

      MD5

      6c839d892fef2f37d973ca28ce5e7a3b

      SHA1

      175ee07dc770ad81455d1f95152f1ae07e875e0e

      SHA256

      b2f19314b692f584203e6711e8d54f32b91a7864adbd203a4eaf6785042d47d9

      SHA512

      18a1ffa1876554a0e7716cbe5d77ce26a373aeb16992986bb8baaece2af502b576d7001a4271ceda09cec6fbbe750c06c8d40d4449ff8b52d01a924a49462af7

    • C:\Windows\System32\MCNhG\FBMOscZERzPTnAHt.dll

      Filesize

      362.9MB

      MD5

      ba2eaad8c9a00749b282cf7ea8763aaa

      SHA1

      ca38ab0a91cf79b1538b172979a5691628f57697

      SHA256

      01f929ab65bf413f6ffda9d2564aaf7c02489dc154200b9ac80013d3c03b6842

      SHA512

      7655315be65b2144a2436e1e6ec27828490a77441c04fbd95430d244a67b42ed3553d64516d04447df3efd9c9e4721fc33cbd1b062cf17e804fa32463a5dfe06

    • memory/368-188-0x0000000000400000-0x00000000004C1000-memory.dmp

      Filesize

      772KB

    • memory/736-139-0x00007FFEA0110000-0x00007FFEA0120000-memory.dmp

      Filesize

      64KB

    • memory/736-133-0x00007FFEA22B0000-0x00007FFEA22C0000-memory.dmp

      Filesize

      64KB

    • memory/736-138-0x00007FFEA0110000-0x00007FFEA0120000-memory.dmp

      Filesize

      64KB

    • memory/736-137-0x00007FFEA22B0000-0x00007FFEA22C0000-memory.dmp

      Filesize

      64KB

    • memory/736-136-0x00007FFEA22B0000-0x00007FFEA22C0000-memory.dmp

      Filesize

      64KB

    • memory/736-135-0x00007FFEA22B0000-0x00007FFEA22C0000-memory.dmp

      Filesize

      64KB

    • memory/736-134-0x00007FFEA22B0000-0x00007FFEA22C0000-memory.dmp

      Filesize

      64KB

    • memory/1640-177-0x0000000180000000-0x000000018002D000-memory.dmp

      Filesize

      180KB

    • memory/1640-180-0x00000000026F0000-0x00000000026F1000-memory.dmp

      Filesize

      4KB