Analysis
-
max time kernel
147s -
max time network
146s -
platform
windows10_x64 -
resource
win10-20220414-en -
submitted
07-07-2022 04:30
Behavioral task
behavioral1
Sample
57fbe9bfd7fcb80d66f50a54eb2c8da5eb96ca09ea3ef740f5aba60437f87e7e.xls
Resource
win10-20220414-en
General
-
Target
57fbe9bfd7fcb80d66f50a54eb2c8da5eb96ca09ea3ef740f5aba60437f87e7e.xls
-
Size
95KB
-
MD5
12ab4f1325e621007ff6cda9b5d81fe2
-
SHA1
21d4ecc6c418d187a3e951e5962061d78c142bbd
-
SHA256
57fbe9bfd7fcb80d66f50a54eb2c8da5eb96ca09ea3ef740f5aba60437f87e7e
-
SHA512
0401440126d93ea1cd29c3a89fac14c1beff4908a5fb450432220e3396b4a3d6ed0b6bf88fd54a91c20fdb89e97eed6ae8b80499baae7789643c565bc4aadc27
Malware Config
Extracted
https://edoraseguros.com.br/cgi-bin/jQNq9wlH1GXU/
http://earthmach.co.za/libraries/tWkZh9YrXbTd6IeX/
http://finvest.rs/wp-admin/Hr9nVNTIHgw59S/
http://efverstedt.se/5jjaV/w7fLEHJ20xn0qD/
Extracted
emotet
Epoch5
103.71.99.57:8080
103.224.241.74:8080
157.245.111.0:8080
37.44.244.177:8080
103.41.204.169:8080
64.227.55.231:8080
103.254.12.236:7080
103.85.95.4:8080
157.230.99.206:8080
165.22.254.236:8080
85.214.67.203:8080
54.37.228.122:443
195.77.239.39:8080
128.199.217.206:443
190.145.8.4:443
165.232.185.110:8080
188.165.79.151:443
178.62.112.199:8080
54.37.106.167:8080
104.244.79.94:443
43.129.209.178:443
87.106.97.83:7080
202.134.4.210:7080
178.238.225.252:8080
198.199.70.22:8080
62.171.178.147:8080
175.126.176.79:8080
128.199.242.164:8080
88.217.172.165:8080
104.248.225.227:8080
85.25.120.45:8080
139.196.72.155:8080
188.225.32.231:4143
202.29.239.162:443
103.126.216.86:443
210.57.209.142:8080
93.104.209.107:8080
196.44.98.190:8080
5.253.30.17:7080
46.101.98.60:8080
103.56.149.105:8080
190.107.19.179:443
139.59.80.108:8080
36.67.23.59:443
78.47.204.80:443
83.229.80.93:8080
174.138.33.49:7080
118.98.72.86:443
37.187.114.15:8080
202.28.34.99:8080
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 3140 3124 regsvr32.exe EXCEL.EXE Parent C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE is not expected to spawn this process 1120 3124 regsvr32.exe EXCEL.EXE Parent C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE is not expected to spawn this process 3644 3124 regsvr32.exe EXCEL.EXE Parent C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE is not expected to spawn this process 1440 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 2 IoCs
Processes:
regsvr32.exeregsvr32.exepid process 1120 regsvr32.exe 3644 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 opened \REGISTRY\MACHINE\Hardware\Description\System\CentralProcessor\0 EXCEL.EXE Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\~MHz EXCEL.EXE Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString EXCEL.EXE -
Enumerates system info in registry 2 TTPs 3 IoCs
Processes:
EXCEL.EXEdescription ioc process Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\BIOS\SystemFamily EXCEL.EXE Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\BIOS\SystemSKU EXCEL.EXE Key opened \REGISTRY\MACHINE\Hardware\Description\System\BIOS EXCEL.EXE -
Gathers network information 2 TTPs 1 IoCs
Uses commandline utility to view network configuration.
Processes:
ipconfig.exepid process 1520 ipconfig.exe -
Gathers system information 1 TTPs 1 IoCs
Runs systeminfo.exe.
-
Suspicious behavior: AddClipboardFormatListener 1 IoCs
Processes:
EXCEL.EXEpid process 3124 EXCEL.EXE -
Suspicious behavior: EnumeratesProcesses 14 IoCs
Processes:
regsvr32.exeregsvr32.exeregsvr32.exeregsvr32.exepid process 1120 regsvr32.exe 1120 regsvr32.exe 3644 regsvr32.exe 3644 regsvr32.exe 3352 regsvr32.exe 3352 regsvr32.exe 1644 regsvr32.exe 1644 regsvr32.exe 3352 regsvr32.exe 3352 regsvr32.exe 1644 regsvr32.exe 1644 regsvr32.exe 3352 regsvr32.exe 3352 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 18 IoCs
Processes:
EXCEL.EXEregsvr32.exeregsvr32.exeregsvr32.exedescription pid process target process PID 3124 wrote to memory of 3140 3124 EXCEL.EXE regsvr32.exe PID 3124 wrote to memory of 3140 3124 EXCEL.EXE regsvr32.exe PID 3124 wrote to memory of 1120 3124 EXCEL.EXE regsvr32.exe PID 3124 wrote to memory of 1120 3124 EXCEL.EXE regsvr32.exe PID 3124 wrote to memory of 3644 3124 EXCEL.EXE regsvr32.exe PID 3124 wrote to memory of 3644 3124 EXCEL.EXE regsvr32.exe PID 3124 wrote to memory of 1440 3124 EXCEL.EXE regsvr32.exe PID 3124 wrote to memory of 1440 3124 EXCEL.EXE regsvr32.exe PID 1120 wrote to memory of 3352 1120 regsvr32.exe regsvr32.exe PID 1120 wrote to memory of 3352 1120 regsvr32.exe regsvr32.exe PID 3644 wrote to memory of 1644 3644 regsvr32.exe regsvr32.exe PID 3644 wrote to memory of 1644 3644 regsvr32.exe regsvr32.exe PID 3352 wrote to memory of 32 3352 regsvr32.exe systeminfo.exe PID 3352 wrote to memory of 32 3352 regsvr32.exe systeminfo.exe PID 3352 wrote to memory of 1520 3352 regsvr32.exe ipconfig.exe PID 3352 wrote to memory of 1520 3352 regsvr32.exe ipconfig.exe PID 3352 wrote to memory of 1504 3352 regsvr32.exe nltest.exe PID 3352 wrote to memory of 1504 3352 regsvr32.exe nltest.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\57fbe9bfd7fcb80d66f50a54eb2c8da5eb96ca09ea3ef740f5aba60437f87e7e.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
-
C:\Windows\System32\regsvr32.exeC:\Windows\System32\regsvr32.exe /S ..\soci2.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\BYJTkYdmJ\mjzenmABZBR.dll"3⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of WriteProcessMemory
-
C:\Windows\system32\systeminfo.exesysteminfo4⤵
- Gathers system information
-
C:\Windows\system32\ipconfig.exeipconfig /all4⤵
- Gathers network information
-
C:\Windows\system32\nltest.exenltest /dclist:4⤵
-
C:\Windows\System32\regsvr32.exeC:\Windows\System32\regsvr32.exe /S ..\soci3.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\Jbxsh\nKIwDrxNAc.dll"3⤵
- Suspicious behavior: EnumeratesProcesses
-
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\soci2.ocxFilesize
847KB
MD539a5c4e3b58cfc7adb88e1fc316ec5a4
SHA190a0fb85835554854885ce325254b42aa304abcc
SHA2563cbbdb7f3dfb39cda8142c83aa12d307da2b575cb4662d96ca260fdeea47dc26
SHA5126db90259d630206d1164390a00f2b4824041c670b27bdcc3c949d6ee15f1d66cbbb17c2500f8b5300be2a4a4dddd5efd4514106df93eddb61660537b74dc434a
-
C:\Users\Admin\soci3.ocxFilesize
847KB
MD5e3b67a827b1bdb7e4dc6362402bb4a82
SHA148a88f639bebb9d22e6d075a455af3a0fa9e3e85
SHA2566c128340bd4d4d321ddd96375afd266e30b130051e5abf931fb5121e391a6790
SHA5122358d442a8113ca8d3e2b88e07b7e8ebeb638b62fd9c74d7dafdea1421e6c4491a679bb0f4ee09fe47683d3b0fb07f7f8483b02dec90dcd0c49028f83845cd6b
-
\Users\Admin\soci2.ocxFilesize
847KB
MD539a5c4e3b58cfc7adb88e1fc316ec5a4
SHA190a0fb85835554854885ce325254b42aa304abcc
SHA2563cbbdb7f3dfb39cda8142c83aa12d307da2b575cb4662d96ca260fdeea47dc26
SHA5126db90259d630206d1164390a00f2b4824041c670b27bdcc3c949d6ee15f1d66cbbb17c2500f8b5300be2a4a4dddd5efd4514106df93eddb61660537b74dc434a
-
\Users\Admin\soci3.ocxFilesize
847KB
MD5e3b67a827b1bdb7e4dc6362402bb4a82
SHA148a88f639bebb9d22e6d075a455af3a0fa9e3e85
SHA2566c128340bd4d4d321ddd96375afd266e30b130051e5abf931fb5121e391a6790
SHA5122358d442a8113ca8d3e2b88e07b7e8ebeb638b62fd9c74d7dafdea1421e6c4491a679bb0f4ee09fe47683d3b0fb07f7f8483b02dec90dcd0c49028f83845cd6b
-
memory/32-306-0x0000000000000000-mapping.dmp
-
memory/1120-277-0x0000000000000000-mapping.dmp
-
memory/1120-280-0x0000000180000000-0x0000000180030000-memory.dmpFilesize
192KB
-
memory/1440-293-0x0000000000000000-mapping.dmp
-
memory/1504-309-0x0000000000000000-mapping.dmp
-
memory/1520-308-0x0000000000000000-mapping.dmp
-
memory/1644-295-0x0000000000000000-mapping.dmp
-
memory/3124-130-0x00007FF89EE10000-0x00007FF89EE20000-memory.dmpFilesize
64KB
-
memory/3124-117-0x00007FF8A1CE0000-0x00007FF8A1CF0000-memory.dmpFilesize
64KB
-
memory/3124-129-0x00007FF89EE10000-0x00007FF89EE20000-memory.dmpFilesize
64KB
-
memory/3124-120-0x00007FF8A1CE0000-0x00007FF8A1CF0000-memory.dmpFilesize
64KB
-
memory/3124-119-0x00007FF8A1CE0000-0x00007FF8A1CF0000-memory.dmpFilesize
64KB
-
memory/3124-118-0x00007FF8A1CE0000-0x00007FF8A1CF0000-memory.dmpFilesize
64KB
-
memory/3140-276-0x0000000000000000-mapping.dmp
-
memory/3352-294-0x0000000000000000-mapping.dmp
-
memory/3352-307-0x00000000027C0000-0x0000000008724000-memory.dmpFilesize
95.4MB
-
memory/3352-310-0x00000000027C0000-0x0000000008724000-memory.dmpFilesize
95.4MB
-
memory/3644-285-0x0000000000000000-mapping.dmp