Analysis
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max time kernel
149s -
max time network
139s -
platform
windows10-2004_x64 -
resource
win10v2004-20220812-en -
resource tags
arch:x64arch:x86image:win10v2004-20220812-enlocale:en-usos:windows10-2004-x64system -
submitted
18-11-2022 02:59
Behavioral task
behavioral1
Sample
6644745704944420789.xls
Resource
win7-20221111-en
Behavioral task
behavioral2
Sample
6644745704944420789.xls
Resource
win10v2004-20220812-en
General
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Target
6644745704944420789.xls
-
Size
217KB
-
MD5
e8a4b008fd8e7e6806fb00d295c513a1
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SHA1
4462a0f303d66d5d98e8c461023c129d82672c27
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SHA256
7e8bc31fde2acc45f23d277c2e9ea931aec4bb3048571ee1244856b3b8607f48
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SHA512
6c5be307096e174108f941bcc984c8bef9ea08275123f5bb7842aafbc0abb75bf1aa6ae26369cbb45a8f886baea1c4e9f50036479d15a2c3c27a572f055e7cab
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SSDEEP
6144:zKpb8rGYrMPe3q7Q0XV5xtuEsi8/dgLyY+TAQXTHGUMEyP5p6f5jQmS:nbGUMVWlbS
Malware Config
Extracted
http://sourceintership.com/vendor/rZnJL9pPUjA9pU/
http://www.thebeginningstore.in/0202498070/m2x8inU7TSiuO3px/
http://www.angloextrema.com.br/assets/mQVRrHu7o0eJXxTFu/
http://alvaovillagecamping.pt/wp-content/Ra9iwOPb6uLf/
Extracted
emotet
Epoch4
45.235.8.30:8080
94.23.45.86:4143
119.59.103.152:8080
169.60.181.70:8080
164.68.99.3:8080
172.105.226.75:8080
107.170.39.149:8080
206.189.28.199:8080
1.234.2.232:8080
188.44.20.25:443
186.194.240.217:443
103.43.75.120:443
149.28.143.92:443
159.89.202.34:443
209.97.163.214:443
183.111.227.137:8080
129.232.188.93:443
139.59.126.41:443
110.232.117.186:8080
139.59.56.73:8080
103.75.201.2:443
91.207.28.33:8080
164.90.222.65:443
197.242.150.244:8080
212.24.98.99:8080
51.161.73.194:443
115.68.227.76:8080
159.65.88.10:8080
201.94.166.162:443
95.217.221.146:8080
173.212.193.249:8080
82.223.21.224:8080
103.132.242.26:8080
213.239.212.5:443
153.126.146.25:7080
45.176.232.124:443
182.162.143.56:443
169.57.156.166:8080
159.65.140.115:443
163.44.196.120:8080
172.104.251.154:8080
167.172.253.162:8080
91.187.140.35:8080
45.118.115.99:8080
147.139.166.154:8080
72.15.201.15:8080
149.56.131.28:8080
167.172.199.165:8080
101.50.0.91:8080
160.16.142.56:8080
185.4.135.165:8080
104.168.155.143:8080
79.137.35.198:8080
5.135.159.50:443
187.63.160.88:80
Signatures
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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 4308 2636 regsvr32.exe EXCEL.EXE Parent C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE is not expected to spawn this process 2660 2636 regsvr32.exe EXCEL.EXE Parent C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE is not expected to spawn this process 1980 2636 regsvr32.exe EXCEL.EXE Parent C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE is not expected to spawn this process 4212 2636 regsvr32.exe EXCEL.EXE -
Downloads MZ/PE file
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Loads dropped DLL 4 IoCs
Processes:
regsvr32.exeregsvr32.exeregsvr32.exeregsvr32.exepid process 2660 regsvr32.exe 4852 regsvr32.exe 1980 regsvr32.exe 4764 regsvr32.exe -
Adds Run key to start application 2 TTPs 4 IoCs
Processes:
regsvr32.exeregsvr32.exedescription ioc process Key created \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Run regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\UNvzBCCSvckHgF.dll = "C:\\Windows\\system32\\regsvr32.exe \"C:\\Windows\\system32\\PzVLtXTo\\UNvzBCCSvckHgF.dll\"" regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Run regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\BktAvr.dll = "C:\\Windows\\system32\\regsvr32.exe \"C:\\Windows\\system32\\AUpMVaCUdDeMfQD\\BktAvr.dll\"" 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 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 2636 EXCEL.EXE -
Suspicious behavior: EnumeratesProcesses 12 IoCs
Processes:
regsvr32.exeregsvr32.exeregsvr32.exeregsvr32.exepid process 2660 regsvr32.exe 2660 regsvr32.exe 4852 regsvr32.exe 4852 regsvr32.exe 4852 regsvr32.exe 4852 regsvr32.exe 1980 regsvr32.exe 1980 regsvr32.exe 4764 regsvr32.exe 4764 regsvr32.exe 4764 regsvr32.exe 4764 regsvr32.exe -
Suspicious use of SetWindowsHookEx 12 IoCs
Processes:
EXCEL.EXEpid process 2636 EXCEL.EXE 2636 EXCEL.EXE 2636 EXCEL.EXE 2636 EXCEL.EXE 2636 EXCEL.EXE 2636 EXCEL.EXE 2636 EXCEL.EXE 2636 EXCEL.EXE 2636 EXCEL.EXE 2636 EXCEL.EXE 2636 EXCEL.EXE 2636 EXCEL.EXE -
Suspicious use of WriteProcessMemory 12 IoCs
Processes:
EXCEL.EXEregsvr32.exeregsvr32.exedescription pid process target process PID 2636 wrote to memory of 4308 2636 EXCEL.EXE regsvr32.exe PID 2636 wrote to memory of 4308 2636 EXCEL.EXE regsvr32.exe PID 2636 wrote to memory of 2660 2636 EXCEL.EXE regsvr32.exe PID 2636 wrote to memory of 2660 2636 EXCEL.EXE regsvr32.exe PID 2660 wrote to memory of 4852 2660 regsvr32.exe regsvr32.exe PID 2660 wrote to memory of 4852 2660 regsvr32.exe regsvr32.exe PID 2636 wrote to memory of 1980 2636 EXCEL.EXE regsvr32.exe PID 2636 wrote to memory of 1980 2636 EXCEL.EXE regsvr32.exe PID 1980 wrote to memory of 4764 1980 regsvr32.exe regsvr32.exe PID 1980 wrote to memory of 4764 1980 regsvr32.exe regsvr32.exe PID 2636 wrote to memory of 4212 2636 EXCEL.EXE regsvr32.exe PID 2636 wrote to memory of 4212 2636 EXCEL.EXE regsvr32.exe
Processes
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C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE"C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE" "C:\Users\Admin\AppData\Local\Temp\6644745704944420789.xls"1⤵
- Checks processor information in registry
- Enumerates system info in registry
- Suspicious behavior: AddClipboardFormatListener
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
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C:\Windows\System32\regsvr32.exeC:\Windows\System32\regsvr32.exe /S ..\oxnv1.ooccxx2⤵
- Process spawned unexpected child process
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C:\Windows\System32\regsvr32.exeC:\Windows\System32\regsvr32.exe /S ..\oxnv2.ooccxx2⤵
- Process spawned unexpected child process
- Loads dropped DLL
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of WriteProcessMemory
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C:\Windows\system32\regsvr32.exeC:\Windows\system32\regsvr32.exe "C:\Windows\system32\PzVLtXTo\UNvzBCCSvckHgF.dll"3⤵
- Loads dropped DLL
- Adds Run key to start application
- Suspicious behavior: EnumeratesProcesses
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C:\Windows\System32\regsvr32.exeC:\Windows\System32\regsvr32.exe /S ..\oxnv3.ooccxx2⤵
- Process spawned unexpected child process
- Loads dropped DLL
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of WriteProcessMemory
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C:\Windows\system32\regsvr32.exeC:\Windows\system32\regsvr32.exe "C:\Windows\system32\AUpMVaCUdDeMfQD\BktAvr.dll"3⤵
- Loads dropped DLL
- Adds Run key to start application
- Suspicious behavior: EnumeratesProcesses
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C:\Windows\System32\regsvr32.exeC:\Windows\System32\regsvr32.exe /S ..\oxnv4.ooccxx2⤵
- Process spawned unexpected child process
Network
MITRE ATT&CK Matrix ATT&CK v6
Replay Monitor
Loading Replay Monitor...
Downloads
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C:\Users\Admin\oxnv1.ooccxxFilesize
1KB
MD574b774351046fa6fd093f647ed6886f7
SHA156f1bb4a744b04866bef81cc17df07fe1e9f8c78
SHA2565e43a25e956b43cf6cc7cc2f92dca9477281e06902d784b8c1dc1a545e04a462
SHA512d06b6d4472bb1b2d433043e717de0928e07577006088fd680935ccb16317d2ccccb12318dcb17b69cab9217e05f12757393d881268e769f00ee940ea5d3c20a7
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C:\Users\Admin\oxnv2.ooccxxFilesize
745KB
MD5492882a42bb67dedcba6f2c513655656
SHA159433cca1d7d926134bf52d7d9e988dcebd69d25
SHA256e3f00050d93d00325ff116a2e96535b7e8f2e7988627675dba7cb76573639422
SHA5123b7f23b9783fc663c8104fbdd2e1c8ebec5cb77979c2550c434133dd578e35ea5c8e85d9d99f83adff6b0f2d0e4d7476298ad4d0aef439273478bf46a377b827
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C:\Users\Admin\oxnv2.ooccxxFilesize
745KB
MD5492882a42bb67dedcba6f2c513655656
SHA159433cca1d7d926134bf52d7d9e988dcebd69d25
SHA256e3f00050d93d00325ff116a2e96535b7e8f2e7988627675dba7cb76573639422
SHA5123b7f23b9783fc663c8104fbdd2e1c8ebec5cb77979c2550c434133dd578e35ea5c8e85d9d99f83adff6b0f2d0e4d7476298ad4d0aef439273478bf46a377b827
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C:\Users\Admin\oxnv3.ooccxxFilesize
882KB
MD5d3629ccb05cbe0d7796a84e0f9c74f2b
SHA1321530af823cb18fee984ff419e52922f2bdc252
SHA25632ee2a26ff8b1a6573d26f86dec992cb69df0017481c969ea108a27ae3f594a0
SHA512881f6bb6cc41e590a4c4babf2a3132434097c773dd619d95db9870c1caed7371e61ec09dd1ab0da3ed779318905d59caf2f838c5785afeaa2becf7b9346c49f7
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C:\Users\Admin\oxnv3.ooccxxFilesize
882KB
MD5d3629ccb05cbe0d7796a84e0f9c74f2b
SHA1321530af823cb18fee984ff419e52922f2bdc252
SHA25632ee2a26ff8b1a6573d26f86dec992cb69df0017481c969ea108a27ae3f594a0
SHA512881f6bb6cc41e590a4c4babf2a3132434097c773dd619d95db9870c1caed7371e61ec09dd1ab0da3ed779318905d59caf2f838c5785afeaa2becf7b9346c49f7
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C:\Windows\System32\AUpMVaCUdDeMfQD\BktAvr.dllFilesize
882KB
MD5d3629ccb05cbe0d7796a84e0f9c74f2b
SHA1321530af823cb18fee984ff419e52922f2bdc252
SHA25632ee2a26ff8b1a6573d26f86dec992cb69df0017481c969ea108a27ae3f594a0
SHA512881f6bb6cc41e590a4c4babf2a3132434097c773dd619d95db9870c1caed7371e61ec09dd1ab0da3ed779318905d59caf2f838c5785afeaa2becf7b9346c49f7
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C:\Windows\System32\PzVLtXTo\UNvzBCCSvckHgF.dllFilesize
745KB
MD5492882a42bb67dedcba6f2c513655656
SHA159433cca1d7d926134bf52d7d9e988dcebd69d25
SHA256e3f00050d93d00325ff116a2e96535b7e8f2e7988627675dba7cb76573639422
SHA5123b7f23b9783fc663c8104fbdd2e1c8ebec5cb77979c2550c434133dd578e35ea5c8e85d9d99f83adff6b0f2d0e4d7476298ad4d0aef439273478bf46a377b827
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memory/1980-152-0x0000000000000000-mapping.dmp
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memory/2636-136-0x00007FF811CF0000-0x00007FF811D00000-memory.dmpFilesize
64KB
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memory/2636-138-0x00007FF80F3E0000-0x00007FF80F3F0000-memory.dmpFilesize
64KB
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memory/2636-137-0x00007FF80F3E0000-0x00007FF80F3F0000-memory.dmpFilesize
64KB
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memory/2636-132-0x00007FF811CF0000-0x00007FF811D00000-memory.dmpFilesize
64KB
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memory/2636-135-0x00007FF811CF0000-0x00007FF811D00000-memory.dmpFilesize
64KB
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memory/2636-134-0x00007FF811CF0000-0x00007FF811D00000-memory.dmpFilesize
64KB
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memory/2636-133-0x00007FF811CF0000-0x00007FF811D00000-memory.dmpFilesize
64KB
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memory/2660-141-0x0000000000000000-mapping.dmp
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memory/2660-144-0x0000000180000000-0x000000018002F000-memory.dmpFilesize
188KB
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memory/4212-163-0x0000000000000000-mapping.dmp
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memory/4308-139-0x0000000000000000-mapping.dmp
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memory/4764-158-0x0000000000000000-mapping.dmp
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memory/4852-147-0x0000000000000000-mapping.dmp