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
10/11/2022, 10:49
Behavioral task
behavioral1
Sample
MES_498.xls
Resource
win7-20220812-en
Behavioral task
behavioral2
Sample
MES_498.xls
Resource
win10v2004-20220812-en
General
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Target
MES_498.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 4260 4532 regsvr32.exe 79 Parent C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE is not expected to spawn this process 3640 4532 regsvr32.exe 79 Parent C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE is not expected to spawn this process 4608 4532 regsvr32.exe 79 Parent C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE is not expected to spawn this process 2844 4532 regsvr32.exe 79 -
Downloads MZ/PE file
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Loads dropped DLL 4 IoCs
pid Process 4260 regsvr32.exe 1648 regsvr32.exe 3640 regsvr32.exe 5028 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\ymfYEVj.dll = "C:\\Windows\\system32\\regsvr32.exe \"C:\\Windows\\system32\\XVTKHkfYFrcaBOHaO\\ymfYEVj.dll\"" regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Run regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\xMzy.dll = "C:\\Windows\\system32\\regsvr32.exe \"C:\\Windows\\system32\\CINyW\\xMzy.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 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 Key opened \REGISTRY\MACHINE\Hardware\Description\System\CentralProcessor\0 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 4532 EXCEL.EXE -
Suspicious behavior: EnumeratesProcesses 12 IoCs
pid Process 4260 regsvr32.exe 4260 regsvr32.exe 1648 regsvr32.exe 1648 regsvr32.exe 1648 regsvr32.exe 1648 regsvr32.exe 3640 regsvr32.exe 3640 regsvr32.exe 5028 regsvr32.exe 5028 regsvr32.exe 5028 regsvr32.exe 5028 regsvr32.exe -
Suspicious use of SetWindowsHookEx 12 IoCs
pid Process 4532 EXCEL.EXE 4532 EXCEL.EXE 4532 EXCEL.EXE 4532 EXCEL.EXE 4532 EXCEL.EXE 4532 EXCEL.EXE 4532 EXCEL.EXE 4532 EXCEL.EXE 4532 EXCEL.EXE 4532 EXCEL.EXE 4532 EXCEL.EXE 4532 EXCEL.EXE -
Suspicious use of WriteProcessMemory 12 IoCs
description pid Process procid_target PID 4532 wrote to memory of 4260 4532 EXCEL.EXE 88 PID 4532 wrote to memory of 4260 4532 EXCEL.EXE 88 PID 4260 wrote to memory of 1648 4260 regsvr32.exe 89 PID 4260 wrote to memory of 1648 4260 regsvr32.exe 89 PID 4532 wrote to memory of 3640 4532 EXCEL.EXE 91 PID 4532 wrote to memory of 3640 4532 EXCEL.EXE 91 PID 3640 wrote to memory of 5028 3640 regsvr32.exe 92 PID 3640 wrote to memory of 5028 3640 regsvr32.exe 92 PID 4532 wrote to memory of 4608 4532 EXCEL.EXE 93 PID 4532 wrote to memory of 4608 4532 EXCEL.EXE 93 PID 4532 wrote to memory of 2844 4532 EXCEL.EXE 94 PID 4532 wrote to memory of 2844 4532 EXCEL.EXE 94
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\MES_498.xls"1⤵
- Checks processor information in registry
- Enumerates system info in registry
- Suspicious behavior: AddClipboardFormatListener
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:4532 -
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:4260 -
C:\Windows\system32\regsvr32.exeC:\Windows\system32\regsvr32.exe "C:\Windows\system32\XVTKHkfYFrcaBOHaO\ymfYEVj.dll"3⤵
- Loads dropped DLL
- Adds Run key to start application
- Suspicious behavior: EnumeratesProcesses
PID:1648
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-
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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:3640 -
C:\Windows\system32\regsvr32.exeC:\Windows\system32\regsvr32.exe "C:\Windows\system32\CINyW\xMzy.dll"3⤵
- Loads dropped DLL
- Adds Run key to start application
- Suspicious behavior: EnumeratesProcesses
PID:5028
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-
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C:\Windows\System32\regsvr32.exeC:\Windows\System32\regsvr32.exe /S ..\elv3.ooocccxxx2⤵
- Process spawned unexpected child process
PID:4608
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C:\Windows\System32\regsvr32.exeC:\Windows\System32\regsvr32.exe /S ..\elv4.ooocccxxx2⤵
- Process spawned unexpected child process
PID:2844
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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
MD583b59fb810300c2dbddf3f7d739d25a4
SHA1aa67e33414d97d297a3b86871dd6a9275fdb71d1
SHA2566b2be1e6753c8b1d69abec430562268775c00784b0a2f4cf2c5e499f98a7bfdf
SHA512c32ee574b86086d986b7177bbc011da11ad647ca8e3edbb76a6901a92fbc197d987f63b45c923aa273023ff070548caf712578e26a84f85c2eeea781ca55661a
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Filesize
621KB
MD52921d0c367a6afd07fa379d54dbb3b3d
SHA193663425207efad8008cc2a96000ebb312afc84b
SHA256048cacc4532a828d51457fad7f5171a2605d69289783b21c257cde00eb2be455
SHA512f737650b7329711d1ec39971d9573fd5b178723dfc12ac7c2c03fa75cb3f19573fedc12135070333cb463b0b438ec705d2d4ec0314ded37bd43c94dd65509ff3
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Filesize
621KB
MD52921d0c367a6afd07fa379d54dbb3b3d
SHA193663425207efad8008cc2a96000ebb312afc84b
SHA256048cacc4532a828d51457fad7f5171a2605d69289783b21c257cde00eb2be455
SHA512f737650b7329711d1ec39971d9573fd5b178723dfc12ac7c2c03fa75cb3f19573fedc12135070333cb463b0b438ec705d2d4ec0314ded37bd43c94dd65509ff3
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Filesize
621KB
MD52921d0c367a6afd07fa379d54dbb3b3d
SHA193663425207efad8008cc2a96000ebb312afc84b
SHA256048cacc4532a828d51457fad7f5171a2605d69289783b21c257cde00eb2be455
SHA512f737650b7329711d1ec39971d9573fd5b178723dfc12ac7c2c03fa75cb3f19573fedc12135070333cb463b0b438ec705d2d4ec0314ded37bd43c94dd65509ff3
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Filesize
621KB
MD583b59fb810300c2dbddf3f7d739d25a4
SHA1aa67e33414d97d297a3b86871dd6a9275fdb71d1
SHA2566b2be1e6753c8b1d69abec430562268775c00784b0a2f4cf2c5e499f98a7bfdf
SHA512c32ee574b86086d986b7177bbc011da11ad647ca8e3edbb76a6901a92fbc197d987f63b45c923aa273023ff070548caf712578e26a84f85c2eeea781ca55661a