Analysis
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max time kernel
144s -
max time network
129s -
platform
windows10-1703_x64 -
resource
win10-20220901-en -
resource tags
arch:x64arch:x86image:win10-20220901-enlocale:en-usos:windows10-1703-x64system -
submitted
10/11/2022, 10:50
Behavioral task
behavioral1
Sample
271d33b512c4ee37e4838eb1d7393de085e387b20d493304eb356bfa60b24e63.xls
Resource
win10-20220901-en
Behavioral task
behavioral2
Sample
271d33b512c4ee37e4838eb1d7393de085e387b20d493304eb356bfa60b24e63.xls
Resource
win10-20220901-en
General
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Target
271d33b512c4ee37e4838eb1d7393de085e387b20d493304eb356bfa60b24e63.xls
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Size
91KB
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MD5
1c0c9828138572c16ac97ad41780ecc0
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SHA1
eaa0ec1617d83d5afcd3a2ebe689472949906457
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SHA256
271d33b512c4ee37e4838eb1d7393de085e387b20d493304eb356bfa60b24e63
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SHA512
0b24cf4df9130dbe11b7e121e674108749c6605e6fc7ec67d07a660c1c08b8a50077a7ed5fa60a8df9a032ecefc2c3c5d49cfda04011428f27c1e3333e42ff76
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SSDEEP
1536:wKpb8rGYrMPe3q7Q0XV5xtezEsi8/dgGbCXuZH4gb4CEn9J4Z/Cs9o2:wKpb8rGYrMPe3q7Q0XV5xtezEsi8/dgG
Malware Config
Extracted
https://bosny.com/aspnet_client/R50QIOGjmvVlr/
http://navylin.com/autopoisonous/4fZQW/
http://asrani.garudaputih.com/nutabalong/bJYqoUIr99qNfoPDx/
http://db.rikaz.tech/lCx76IlkrBtEsqNFA7/zPYJzpOnzstNOiRHob/
Extracted
emotet
Epoch5
202.28.34.99:8080
80.211.107.116:8080
175.126.176.79:8080
218.38.121.17:443
139.196.72.155:8080
103.71.99.57:8080
87.106.97.83:7080
178.62.112.199:8080
64.227.55.231:8080
46.101.98.60:8080
54.37.228.122:443
128.199.217.206:443
190.145.8.4:443
209.239.112.82:8080
85.214.67.203:8080
198.199.70.22:8080
128.199.242.164:8080
178.238.225.252:8080
103.85.95.4:8080
103.126.216.86:443
104.244.79.94:443
36.67.23.59:443
37.44.244.177:8080
160.16.143.191:8080
85.25.120.45:8080
103.56.149.105:8080
210.57.209.142:8080
195.77.239.39:8080
62.171.178.147:8080
118.98.72.86:443
103.224.241.74:8080
185.148.169.10:8080
103.41.204.169:8080
186.250.48.5:443
165.22.254.236:8080
93.104.209.107:8080
139.59.80.108:8080
196.44.98.190:8080
114.79.130.68:443
115.178.55.22:80
103.254.12.236:7080
172.105.115.71:8080
174.138.33.49:7080
51.75.33.122:443
83.229.80.93:8080
78.47.204.80:443
188.165.79.151:443
202.134.4.210:7080
82.98.180.154:7080
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.
description pid pid_target Process procid_target Parent C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE is not expected to spawn this process 4528 2744 regsvr32.exe 65 Parent C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE is not expected to spawn this process 3088 2744 regsvr32.exe 65 Parent C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE is not expected to spawn this process 1640 2744 regsvr32.exe 65 Parent C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE is not expected to spawn this process 1464 2744 regsvr32.exe 65 -
Downloads MZ/PE file
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Loads dropped DLL 2 IoCs
pid Process 4528 regsvr32.exe 3088 regsvr32.exe -
Adds Run key to start application 2 TTPs 4 IoCs
description ioc Process Key created \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Run regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\gtKgYNgcl.dll = "C:\\Windows\\system32\\regsvr32.exe \"C:\\Windows\\system32\\LlIGTibwSza\\gtKgYNgcl.dll\"" regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Run regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\iFDkKRn.dll = "C:\\Windows\\system32\\regsvr32.exe \"C:\\Windows\\system32\\MEzrC\\iFDkKRn.dll\"" regsvr32.exe -
Checks processor information in registry 2 TTPs 3 IoCs
Processor information is often read in order to detect sandboxing environments.
description 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
description 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
pid Process 2744 EXCEL.EXE -
Suspicious behavior: EnumeratesProcesses 12 IoCs
pid Process 4528 regsvr32.exe 4528 regsvr32.exe 4412 regsvr32.exe 4412 regsvr32.exe 4412 regsvr32.exe 4412 regsvr32.exe 3088 regsvr32.exe 3088 regsvr32.exe 1944 regsvr32.exe 1944 regsvr32.exe 1944 regsvr32.exe 1944 regsvr32.exe -
Suspicious use of SetWindowsHookEx 12 IoCs
pid Process 2744 EXCEL.EXE 2744 EXCEL.EXE 2744 EXCEL.EXE 2744 EXCEL.EXE 2744 EXCEL.EXE 2744 EXCEL.EXE 2744 EXCEL.EXE 2744 EXCEL.EXE 2744 EXCEL.EXE 2744 EXCEL.EXE 2744 EXCEL.EXE 2744 EXCEL.EXE -
Suspicious use of WriteProcessMemory 12 IoCs
description pid Process procid_target PID 2744 wrote to memory of 4528 2744 EXCEL.EXE 69 PID 2744 wrote to memory of 4528 2744 EXCEL.EXE 69 PID 4528 wrote to memory of 4412 4528 regsvr32.exe 70 PID 4528 wrote to memory of 4412 4528 regsvr32.exe 70 PID 2744 wrote to memory of 3088 2744 EXCEL.EXE 71 PID 2744 wrote to memory of 3088 2744 EXCEL.EXE 71 PID 3088 wrote to memory of 1944 3088 regsvr32.exe 72 PID 3088 wrote to memory of 1944 3088 regsvr32.exe 72 PID 2744 wrote to memory of 1640 2744 EXCEL.EXE 73 PID 2744 wrote to memory of 1640 2744 EXCEL.EXE 73 PID 2744 wrote to memory of 1464 2744 EXCEL.EXE 74 PID 2744 wrote to memory of 1464 2744 EXCEL.EXE 74
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\271d33b512c4ee37e4838eb1d7393de085e387b20d493304eb356bfa60b24e63.xls"1⤵
- Checks processor information in registry
- Enumerates system info in registry
- Suspicious behavior: AddClipboardFormatListener
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:2744 -
C:\Windows\System32\regsvr32.exeC:\Windows\System32\regsvr32.exe /S ..\elv1.ooocccxxx2⤵
- Process spawned unexpected child process
- Loads dropped DLL
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of WriteProcessMemory
PID:4528 -
C:\Windows\system32\regsvr32.exeC:\Windows\system32\regsvr32.exe "C:\Windows\system32\LlIGTibwSza\gtKgYNgcl.dll"3⤵
- Adds Run key to start application
- Suspicious behavior: EnumeratesProcesses
PID:4412
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C:\Windows\System32\regsvr32.exeC:\Windows\System32\regsvr32.exe /S ..\elv2.ooocccxxx2⤵
- Process spawned unexpected child process
- Loads dropped DLL
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of WriteProcessMemory
PID:3088 -
C:\Windows\system32\regsvr32.exeC:\Windows\system32\regsvr32.exe "C:\Windows\system32\MEzrC\iFDkKRn.dll"3⤵
- Adds Run key to start application
- Suspicious behavior: EnumeratesProcesses
PID:1944
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C:\Windows\System32\regsvr32.exeC:\Windows\System32\regsvr32.exe /S ..\elv3.ooocccxxx2⤵
- Process spawned unexpected child process
PID:1640
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C:\Windows\System32\regsvr32.exeC:\Windows\System32\regsvr32.exe /S ..\elv4.ooocccxxx2⤵
- Process spawned unexpected child process
PID:1464
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Network
MITRE ATT&CK Enterprise v6
Replay Monitor
Loading Replay Monitor...
Downloads
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Filesize
621KB
MD583b59fb810300c2dbddf3f7d739d25a4
SHA1aa67e33414d97d297a3b86871dd6a9275fdb71d1
SHA2566b2be1e6753c8b1d69abec430562268775c00784b0a2f4cf2c5e499f98a7bfdf
SHA512c32ee574b86086d986b7177bbc011da11ad647ca8e3edbb76a6901a92fbc197d987f63b45c923aa273023ff070548caf712578e26a84f85c2eeea781ca55661a
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Filesize
621KB
MD564ef5cf1771ab08a49f3d94a54c55719
SHA1e25c8f5afb72302f27bfbbc7cc71f8b792ecf27f
SHA25635176c03296bdc5b1e485185858246f417ebf474b1c0ad7b55b3fd88630deced
SHA5125c0cedf9da6fd9bbadfb0c15215a64d8617d588a08d075e5b7458f70fa76c9ce4377a681f04d75ee5705e1aff75d9f6d5277148a06f88e65b67300b04d293859
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Filesize
621KB
MD583b59fb810300c2dbddf3f7d739d25a4
SHA1aa67e33414d97d297a3b86871dd6a9275fdb71d1
SHA2566b2be1e6753c8b1d69abec430562268775c00784b0a2f4cf2c5e499f98a7bfdf
SHA512c32ee574b86086d986b7177bbc011da11ad647ca8e3edbb76a6901a92fbc197d987f63b45c923aa273023ff070548caf712578e26a84f85c2eeea781ca55661a
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Filesize
621KB
MD564ef5cf1771ab08a49f3d94a54c55719
SHA1e25c8f5afb72302f27bfbbc7cc71f8b792ecf27f
SHA25635176c03296bdc5b1e485185858246f417ebf474b1c0ad7b55b3fd88630deced
SHA5125c0cedf9da6fd9bbadfb0c15215a64d8617d588a08d075e5b7458f70fa76c9ce4377a681f04d75ee5705e1aff75d9f6d5277148a06f88e65b67300b04d293859