Analysis
-
max time kernel
184s -
max time network
180s -
platform
windows10-2004_x64 -
resource
win10v2004-20230220-es -
resource tags
arch:x64arch:x86image:win10v2004-20230220-eslocale:es-esos:windows10-2004-x64systemwindows -
submitted
14-03-2023 12:33
Behavioral task
behavioral1
Sample
100694191384039299.doc
Resource
win10v2004-20230220-es
General
-
Target
100694191384039299.doc
-
Size
524.3MB
-
MD5
2bfe74fbe5368fcf4a4f8ee1d6acef47
-
SHA1
87910aaad571a16ce5636b49a2cbe3bad7d2be73
-
SHA256
d51f3f397440cd60e830f42efc468b63c0d9c424c2694e59ce523490bb3cd9b1
-
SHA512
ecc4c2107f473a944d7e474c042fbb82333ea5413c6fc1efc68709f55e2ba7cc1f18040bca031acacd6ae68e1531fe2e09f0556d4da8d9b610c5035972a59ec5
-
SSDEEP
3072:uosSDQfMMRS6l3qqwaYnM9qpHibAdQO1UWT+BMF6pxg+ksaWslSTZ5kEqzIoDK6:uohMR1w9pHicdQOoXpS+aWCBEoI
Malware Config
Extracted
emotet
Epoch4
164.68.99.3:8080
164.90.222.65:443
186.194.240.217:443
1.234.2.232:8080
103.75.201.2:443
187.63.160.88:80
147.139.166.154:8080
91.207.28.33:8080
5.135.159.50:443
153.92.5.27:8080
213.239.212.5:443
103.43.75.120:443
159.65.88.10:8080
167.172.253.162:8080
153.126.146.25:7080
119.59.103.152:8080
107.170.39.149:8080
183.111.227.137:8080
159.89.202.34:443
110.232.117.186:8080
129.232.188.93:443
172.105.226.75:8080
197.242.150.244:8080
188.44.20.25:443
66.228.32.31:7080
91.121.146.47:8080
202.129.205.3:8080
45.176.232.124:443
160.16.142.56:8080
94.23.45.86:4143
95.217.221.146:8080
72.15.201.15:8080
167.172.199.165:8080
115.68.227.76:8080
139.59.126.41:443
185.4.135.165:8080
79.137.35.198:8080
206.189.28.199:8080
163.44.196.120:8080
201.94.166.162:443
104.168.155.143:8080
173.212.193.249:8080
45.235.8.30:8080
169.57.156.166:8080
149.56.131.28:8080
182.162.143.56:443
103.132.242.26:8080
82.223.21.224:8080
Signatures
-
Process spawned unexpected child process 1 IoCs
This typically indicates the parent process was compromised via an exploit or macro.
Processes:
regsvr32.exedescription pid pid_target process target process Parent C:\Program Files\Microsoft Office\Root\Office16\WINWORD.EXE is not expected to spawn this process 3508 3124 regsvr32.exe WINWORD.EXE -
Loads dropped DLL 2 IoCs
Processes:
regsvr32.exeregsvr32.exepid process 3508 regsvr32.exe 2360 regsvr32.exe -
Adds Run key to start application 2 TTPs 2 IoCs
Processes:
regsvr32.exedescription ioc process Key created \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Run regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\RzieVA.dll = "C:\\Windows\\system32\\regsvr32.exe \"C:\\Windows\\system32\\FaZYbDklpPYXlENuB\\RzieVA.dll\"" regsvr32.exe -
Drops file in Program Files directory 18 IoCs
Processes:
WINWORD.EXEdescription ioc process File created C:\Program Files\Microsoft Office\Root\Office16\1033\QuickStyles\~$Classic.dotx WINWORD.EXE File created C:\Program Files\Microsoft Office\Root\Office16\1033\QuickStyles\~$ntered.dotx WINWORD.EXE File opened for modification C:\Program Files\Microsoft Office\Root\Office16\1033\QuickStyles\BasicStylish.dotx WINWORD.EXE File created C:\Program Files\Microsoft Office\Root\Office16\1033\QuickStyles\~$sicStylish.dotx WINWORD.EXE File created C:\Program Files\Microsoft Office\Root\Office16\1033\QuickStyles\~$Numbered.dotx WINWORD.EXE File created C:\Program Files\Microsoft Office\Root\Office16\1033\QuickStyles\~$Capitalized.dotx WINWORD.EXE File opened for modification C:\Program Files\Microsoft Office\Root\Office16\1033\QuickStyles\BWNumbered.dotx WINWORD.EXE File opened for modification C:\Program Files\Microsoft Office\Root\Office16\1033\QuickStyles\Word2013BW.dotx WINWORD.EXE File created C:\Program Files\Microsoft Office\Root\Office16\1033\QuickStyles\~$rd2013BW.dotx WINWORD.EXE File opened for modification C:\Program Files\Microsoft Office\Root\Office16\1033\QuickStyles\Casual.dotx WINWORD.EXE File created C:\Program Files\Microsoft Office\Root\Office16\1033\QuickStyles\~$sicSimple.dotx WINWORD.EXE File opened for modification C:\Program Files\Microsoft Office\Root\Office16\1033\QuickStyles\BWClassic.dotx WINWORD.EXE File opened for modification C:\Program Files\Microsoft Office\Root\Office16\1033\QuickStyles\BasicSimple.dotx WINWORD.EXE File opened for modification C:\Program Files\Microsoft Office\Root\Office16\1033\QuickStyles\BWCapitalized.dotx WINWORD.EXE File created C:\Program Files\Microsoft Office\Root\Office16\1033\QuickStyles\~$Casual.dotx WINWORD.EXE File opened for modification C:\Program Files\Microsoft Office\Root\Office16\1033\QuickStyles\Centered.dotx WINWORD.EXE File opened for modification C:\Program Files\Microsoft Office\Root\Office16\1033\QuickStyles\BasicElegant.dotx WINWORD.EXE File created C:\Program Files\Microsoft Office\Root\Office16\1033\QuickStyles\~$sicElegant.dotx WINWORD.EXE -
Checks processor information in registry 2 TTPs 3 IoCs
Processor information is often read in order to detect sandboxing environments.
Processes:
WINWORD.EXEdescription ioc process Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\~MHz WINWORD.EXE Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString WINWORD.EXE Key opened \REGISTRY\MACHINE\Hardware\Description\System\CentralProcessor\0 WINWORD.EXE -
Enumerates system info in registry 2 TTPs 3 IoCs
Processes:
WINWORD.EXEdescription ioc process Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\BIOS\SystemFamily WINWORD.EXE Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\BIOS\SystemSKU WINWORD.EXE Key opened \REGISTRY\MACHINE\Hardware\Description\System\BIOS WINWORD.EXE -
Script User-Agent 2 IoCs
Uses user-agent string associated with script host/environment.
Processes:
description flow ioc HTTP User-Agent header 63 Mozilla/4.0 (compatible; Win32; WinHttp.WinHttpRequest.5) HTTP User-Agent header 58 Mozilla/4.0 (compatible; Win32; WinHttp.WinHttpRequest.5) -
Suspicious behavior: AddClipboardFormatListener 2 IoCs
Processes:
WINWORD.EXEpid process 3124 WINWORD.EXE 3124 WINWORD.EXE -
Suspicious behavior: EnumeratesProcesses 6 IoCs
Processes:
regsvr32.exeregsvr32.exepid process 3508 regsvr32.exe 3508 regsvr32.exe 2360 regsvr32.exe 2360 regsvr32.exe 2360 regsvr32.exe 2360 regsvr32.exe -
Suspicious use of FindShellTrayWindow 3 IoCs
Processes:
WINWORD.EXEpid process 3124 WINWORD.EXE 3124 WINWORD.EXE 3124 WINWORD.EXE -
Suspicious use of SetWindowsHookEx 9 IoCs
Processes:
WINWORD.EXEpid process 3124 WINWORD.EXE 3124 WINWORD.EXE 3124 WINWORD.EXE 3124 WINWORD.EXE 3124 WINWORD.EXE 3124 WINWORD.EXE 3124 WINWORD.EXE 3124 WINWORD.EXE 3124 WINWORD.EXE -
Suspicious use of WriteProcessMemory 4 IoCs
Processes:
WINWORD.EXEregsvr32.exedescription pid process target process PID 3124 wrote to memory of 3508 3124 WINWORD.EXE regsvr32.exe PID 3124 wrote to memory of 3508 3124 WINWORD.EXE regsvr32.exe PID 3508 wrote to memory of 2360 3508 regsvr32.exe regsvr32.exe PID 3508 wrote to memory of 2360 3508 regsvr32.exe regsvr32.exe
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\100694191384039299.doc" /o ""1⤵
- Drops file in Program Files directory
- 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
-
C:\Windows\System32\regsvr32.exe"C:\Windows\System32\regsvr32.exe" /s "C:\Users\Admin\AppData\Local\Temp\133514.tmp"2⤵
- Process spawned unexpected child process
- Loads dropped DLL
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of WriteProcessMemory
-
C:\Windows\system32\regsvr32.exeC:\Windows\system32\regsvr32.exe "C:\Windows\system32\FaZYbDklpPYXlENuB\RzieVA.dll"3⤵
- Loads dropped DLL
- Adds Run key to start application
- Suspicious behavior: EnumeratesProcesses
-
C:\Windows\System32\rundll32.exeC:\Windows\System32\rundll32.exe C:\Windows\System32\shell32.dll,SHCreateLocalServerRunDll {9aa46009-3ce0-458a-a354-715610a075e6} -Embedding1⤵
Network
MITRE ATT&CK Matrix ATT&CK v6
Replay Monitor
Loading Replay Monitor...
Downloads
-
C:\Users\Admin\AppData\Local\Microsoft\Windows\INetCache\Content.Word\~WRS{08F14361-3E0F-425B-BC35-8FA0EDAE2BC4}.tmpFilesize
1024B
MD55d4d94ee7e06bbb0af9584119797b23a
SHA1dbb111419c704f116efa8e72471dd83e86e49677
SHA2564826c0d860af884d3343ca6460b0006a7a2ce7dbccc4d743208585d997cc5fd1
SHA51295f83ae84cafcced5eaf504546725c34d5f9710e5ca2d11761486970f2fbeccb25f9cf50bbfc272bd75e1a66a18b7783f09e1c1454afda519624bc2bb2f28ba4
-
C:\Users\Admin\AppData\Local\Temp\133514.tmpFilesize
513.5MB
MD594c1331c27ae2c62ccf36dc37ae00ee7
SHA16b44006186400702bd74c0ab1adea6d44cda0e63
SHA256fbd0de06efbbd6dd9def9377109dd6b65567d87d67beb16e458297e23f7265e5
SHA512c8336363af181dba7d24153321acd6453e4c27351a202e6d535f9a4f15b6ded866966856623c6b3a0c00895d9165f6a0befbd7b8eb162c003b08a14f9dd83189
-
C:\Users\Admin\AppData\Local\Temp\133514.tmpFilesize
513.5MB
MD594c1331c27ae2c62ccf36dc37ae00ee7
SHA16b44006186400702bd74c0ab1adea6d44cda0e63
SHA256fbd0de06efbbd6dd9def9377109dd6b65567d87d67beb16e458297e23f7265e5
SHA512c8336363af181dba7d24153321acd6453e4c27351a202e6d535f9a4f15b6ded866966856623c6b3a0c00895d9165f6a0befbd7b8eb162c003b08a14f9dd83189
-
C:\Users\Admin\AppData\Local\Temp\133546.zipFilesize
808KB
MD53b7321bee4cd2257f6b7d35444beff8e
SHA150f23f1c651ae85edf1e67ed5f46fcce28b74a34
SHA256908726ffcf59ee9ffee24cc569e985fac914fa815cb096a65c9e7b890c9d8b7a
SHA512c6f8df8ee8086ef5c0a6d4cb99f3b012e1ca89a3f90725590dc68ae3ca33ef0619b565435a31d145825f718d54959f8a11e2d3d0b371dea2bb57f8a8465b82d8
-
C:\Windows\System32\FaZYbDklpPYXlENuB\RzieVA.dllFilesize
513.5MB
MD594c1331c27ae2c62ccf36dc37ae00ee7
SHA16b44006186400702bd74c0ab1adea6d44cda0e63
SHA256fbd0de06efbbd6dd9def9377109dd6b65567d87d67beb16e458297e23f7265e5
SHA512c8336363af181dba7d24153321acd6453e4c27351a202e6d535f9a4f15b6ded866966856623c6b3a0c00895d9165f6a0befbd7b8eb162c003b08a14f9dd83189
-
memory/3124-136-0x00007FF8672B0000-0x00007FF8672C0000-memory.dmpFilesize
64KB
-
memory/3124-139-0x00007FF864C80000-0x00007FF864C90000-memory.dmpFilesize
64KB
-
memory/3124-138-0x00007FF864C80000-0x00007FF864C90000-memory.dmpFilesize
64KB
-
memory/3124-137-0x00007FF8672B0000-0x00007FF8672C0000-memory.dmpFilesize
64KB
-
memory/3124-133-0x00007FF8672B0000-0x00007FF8672C0000-memory.dmpFilesize
64KB
-
memory/3124-135-0x00007FF8672B0000-0x00007FF8672C0000-memory.dmpFilesize
64KB
-
memory/3124-134-0x00007FF8672B0000-0x00007FF8672C0000-memory.dmpFilesize
64KB
-
memory/3508-180-0x0000000000F30000-0x0000000000F31000-memory.dmpFilesize
4KB
-
memory/3508-179-0x0000000180000000-0x000000018002D000-memory.dmpFilesize
180KB