Analysis
-
max time kernel
149s -
max time network
127s -
platform
windows10_x64 -
resource
win10-20220414-en -
submitted
07-07-2022 04:00
Behavioral task
behavioral1
Sample
b679356c0ac24bb32bfadc7e254aaec13e6050e4fe6a80a32ed13f3e81cd4e11.xls
Resource
win10-20220414-en
General
-
Target
b679356c0ac24bb32bfadc7e254aaec13e6050e4fe6a80a32ed13f3e81cd4e11.xls
-
Size
95KB
-
MD5
fac8c5fafcf1ac037563bffd40118763
-
SHA1
abc4f2acd9369883a4f7d7fc7bf89994218fd7bd
-
SHA256
b679356c0ac24bb32bfadc7e254aaec13e6050e4fe6a80a32ed13f3e81cd4e11
-
SHA512
b2e9d5fd8eb7b780ccf9845bc7774190d4e93c0789733c97d851dd873df831a5936a3edc002c1f8b1309efde7cadba080042ffca4a7fb3a180fcdb1da68fd66d
Malware Config
Extracted
http://www.sunflowerlaboratory.in/fonts/79Tq62ly/
http://dirigent.co.uk/vardagsekonomi/iC36jJ4J1cf/
http://agtrade.hu/images/kiQYmOs2tSKq/
https://www.zachboyle.com/wp-admin/EA470ZrTGNkuA/
Extracted
emotet
Epoch4
94.23.45.86:4143
209.97.163.214:443
212.24.98.99:8080
103.43.75.120:443
183.111.227.137:8080
197.242.150.244:8080
129.232.188.93:443
159.65.88.10:8080
163.44.196.120:8080
51.161.73.194:443
164.90.222.65:443
159.89.202.34:443
1.234.2.232:8080
150.95.66.124:8080
51.91.76.89:8080
196.218.30.83:443
5.9.116.246:8080
146.59.226.45:443
173.212.193.249:8080
213.241.20.155:443
213.239.212.5:443
207.148.79.14:8080
51.254.140.238:7080
45.235.8.30:8080
147.139.166.154:8080
64.227.100.222:8080
82.165.152.127:8080
172.105.226.75:8080
131.100.24.231:80
206.189.28.199:8080
151.106.112.196:8080
119.193.124.41:7080
45.176.232.124:443
79.137.35.198:8080
186.194.240.217:443
103.70.28.102:8080
159.65.140.115:443
104.168.155.143:8080
45.118.115.99:8080
115.68.227.76:8080
72.15.201.15:8080
144.202.108.116:8080
37.187.115.122:8080
110.232.117.186:8080
209.126.98.206:8080
172.104.251.154:8080
82.223.21.224:8080
101.50.0.91:8080
103.132.242.26:8080
201.94.166.162:443
185.4.135.165:8080
160.16.142.56:8080
107.170.39.149:8080
134.122.66.193:8080
139.59.126.41:443
149.56.131.28:8080
91.207.28.33:8080
164.68.99.3:8080
188.44.20.25:443
103.75.201.2:443
167.172.253.162:8080
158.69.222.101:443
153.126.146.25:7080
Signatures
-
Process spawned unexpected child process 4 IoCs
This typically indicates the parent process was compromised via an exploit or macro.
Processes:
regsvr32.exeregsvr32.exeregsvr32.exeregsvr32.exedescription pid pid_target process target process Parent C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE is not expected to spawn this process 3920 3124 regsvr32.exe EXCEL.EXE Parent C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE is not expected to spawn this process 1824 3124 regsvr32.exe EXCEL.EXE Parent C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE is not expected to spawn this process 2264 3124 regsvr32.exe EXCEL.EXE Parent C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE is not expected to spawn this process 640 3124 regsvr32.exe EXCEL.EXE -
suricata: ET MALWARE W32/Emotet CnC Beacon 3
suricata: ET MALWARE W32/Emotet CnC Beacon 3
-
Downloads MZ/PE file
-
Loads dropped DLL 1 IoCs
Processes:
regsvr32.exepid process 3920 regsvr32.exe -
Checks processor information in registry 2 TTPs 3 IoCs
Processor information is often read in order to detect sandboxing environments.
Processes:
EXCEL.EXEdescription ioc process Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString EXCEL.EXE Key opened \REGISTRY\MACHINE\Hardware\Description\System\CentralProcessor\0 EXCEL.EXE Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\~MHz EXCEL.EXE -
Enumerates system info in registry 2 TTPs 3 IoCs
Processes:
EXCEL.EXEdescription ioc process Key opened \REGISTRY\MACHINE\Hardware\Description\System\BIOS EXCEL.EXE Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\BIOS\SystemFamily EXCEL.EXE Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\BIOS\SystemSKU EXCEL.EXE -
Suspicious behavior: AddClipboardFormatListener 1 IoCs
Processes:
EXCEL.EXEpid process 3124 EXCEL.EXE -
Suspicious behavior: EnumeratesProcesses 6 IoCs
Processes:
regsvr32.exeregsvr32.exepid process 3920 regsvr32.exe 3920 regsvr32.exe 4004 regsvr32.exe 4004 regsvr32.exe 4004 regsvr32.exe 4004 regsvr32.exe -
Suspicious use of SetWindowsHookEx 12 IoCs
Processes:
EXCEL.EXEpid process 3124 EXCEL.EXE 3124 EXCEL.EXE 3124 EXCEL.EXE 3124 EXCEL.EXE 3124 EXCEL.EXE 3124 EXCEL.EXE 3124 EXCEL.EXE 3124 EXCEL.EXE 3124 EXCEL.EXE 3124 EXCEL.EXE 3124 EXCEL.EXE 3124 EXCEL.EXE -
Suspicious use of WriteProcessMemory 10 IoCs
Processes:
EXCEL.EXEregsvr32.exedescription pid process target process PID 3124 wrote to memory of 3920 3124 EXCEL.EXE regsvr32.exe PID 3124 wrote to memory of 3920 3124 EXCEL.EXE regsvr32.exe PID 3124 wrote to memory of 1824 3124 EXCEL.EXE regsvr32.exe PID 3124 wrote to memory of 1824 3124 EXCEL.EXE regsvr32.exe PID 3920 wrote to memory of 4004 3920 regsvr32.exe regsvr32.exe PID 3920 wrote to memory of 4004 3920 regsvr32.exe regsvr32.exe PID 3124 wrote to memory of 2264 3124 EXCEL.EXE regsvr32.exe PID 3124 wrote to memory of 2264 3124 EXCEL.EXE regsvr32.exe PID 3124 wrote to memory of 640 3124 EXCEL.EXE regsvr32.exe PID 3124 wrote to memory of 640 3124 EXCEL.EXE regsvr32.exe
Processes
-
C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE"C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE" "C:\Users\Admin\AppData\Local\Temp\b679356c0ac24bb32bfadc7e254aaec13e6050e4fe6a80a32ed13f3e81cd4e11.xls"1⤵
- Checks processor information in registry
- Enumerates system info in registry
- Suspicious behavior: AddClipboardFormatListener
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
-
C:\Windows\System32\regsvr32.exeC:\Windows\System32\regsvr32.exe /S ..\soci1.ocx2⤵
- 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\DaRFCJxOQmYYvNA\kCzBEifnCo.dll"3⤵
- Suspicious behavior: EnumeratesProcesses
-
C:\Windows\System32\regsvr32.exeC:\Windows\System32\regsvr32.exe /S ..\soci2.ocx2⤵
- Process spawned unexpected child process
-
C:\Windows\System32\regsvr32.exeC:\Windows\System32\regsvr32.exe /S ..\soci3.ocx2⤵
- Process spawned unexpected child process
-
C:\Windows\System32\regsvr32.exeC:\Windows\System32\regsvr32.exe /S ..\soci4.ocx2⤵
- Process spawned unexpected child process
Network
MITRE ATT&CK Matrix ATT&CK v6
Replay Monitor
Loading Replay Monitor...
Downloads
-
C:\Users\Admin\soci1.ocxFilesize
312KB
MD5fc77abd23a6e881a617a4cd434f9e6cf
SHA17b315f0c59cc7279e8b0f6009fa608f67fe635cd
SHA256994c9244257c356ce77bdd85aa8bdbc8e493add86e9fdd417722d3063d6d827f
SHA512837df79d366be72d4d1aa769cf2cd9f777e434131d040e6f37d25ca2d3b92e0fb46a83d3a8b1b704340c92674916b0d5ccf78ecd68e0add60659b44995911a59
-
\Users\Admin\soci1.ocxFilesize
312KB
MD5fc77abd23a6e881a617a4cd434f9e6cf
SHA17b315f0c59cc7279e8b0f6009fa608f67fe635cd
SHA256994c9244257c356ce77bdd85aa8bdbc8e493add86e9fdd417722d3063d6d827f
SHA512837df79d366be72d4d1aa769cf2cd9f777e434131d040e6f37d25ca2d3b92e0fb46a83d3a8b1b704340c92674916b0d5ccf78ecd68e0add60659b44995911a59
-
memory/640-282-0x0000000000000000-mapping.dmp
-
memory/1824-272-0x0000000000000000-mapping.dmp
-
memory/2264-279-0x0000000000000000-mapping.dmp
-
memory/3124-118-0x00007FF8A1CE0000-0x00007FF8A1CF0000-memory.dmpFilesize
64KB
-
memory/3124-119-0x00007FF8A1CE0000-0x00007FF8A1CF0000-memory.dmpFilesize
64KB
-
memory/3124-120-0x00007FF8A1CE0000-0x00007FF8A1CF0000-memory.dmpFilesize
64KB
-
memory/3124-129-0x00007FF89EE10000-0x00007FF89EE20000-memory.dmpFilesize
64KB
-
memory/3124-130-0x00007FF89EE10000-0x00007FF89EE20000-memory.dmpFilesize
64KB
-
memory/3124-117-0x00007FF8A1CE0000-0x00007FF8A1CF0000-memory.dmpFilesize
64KB
-
memory/3920-264-0x0000000000000000-mapping.dmp
-
memory/3920-267-0x0000000180000000-0x000000018002D000-memory.dmpFilesize
180KB
-
memory/4004-273-0x0000000000000000-mapping.dmp