Analysis
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max time kernel
148s -
max time network
148s -
platform
windows10_x64 -
resource
win10-en-20211208 -
submitted
18-01-2022 19:49
Behavioral task
behavioral1
Sample
348096634dee34b5a2997542f31eba52bbff0f83680ac20e2c2c4030ec0b4baa.xlsm
Resource
win10-en-20211208
General
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Target
348096634dee34b5a2997542f31eba52bbff0f83680ac20e2c2c4030ec0b4baa.xlsm
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Size
99KB
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MD5
d9840ff5aef4fcb1e822376f0cbd15ba
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SHA1
f109110de7bb4691602099bb25ad64e7807194e7
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SHA256
348096634dee34b5a2997542f31eba52bbff0f83680ac20e2c2c4030ec0b4baa
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SHA512
6666d6935aafd3f12e9f1f57774d75e72eaa72fa03630a1cf426e7445820414602daeadda607a5fe55f3b5207763cf998e182bee359edcfa8d05cf1df6e99715
Malware Config
Extracted
http://shop.lambolero.com/iiwkjgp/eu7rH6/
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.
Processes:
rundll32.exedescription pid pid_target process target process Parent C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE is not expected to spawn this process 2172 2464 rundll32.exe EXCEL.EXE -
Blocklisted process makes network request 8 IoCs
Processes:
rundll32.exeflow pid process 40 3216 rundll32.exe 41 3216 rundll32.exe 43 3216 rundll32.exe 46 3216 rundll32.exe 50 3216 rundll32.exe 53 3216 rundll32.exe 54 3216 rundll32.exe 56 3216 rundll32.exe -
Downloads MZ/PE file
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Loads dropped DLL 2 IoCs
Processes:
rundll32.exerundll32.exepid process 2172 rundll32.exe 3748 rundll32.exe -
Drops file in System32 directory 1 IoCs
Processes:
rundll32.exedescription ioc process File opened for modification C:\Windows\SysWOW64\Lkfdbobxxukg\kfdfywiilzg.zlh rundll32.exe -
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.
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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 2464 EXCEL.EXE -
Suspicious behavior: EnumeratesProcesses 2 IoCs
Processes:
rundll32.exepid process 3216 rundll32.exe 3216 rundll32.exe -
Suspicious use of SetWindowsHookEx 12 IoCs
Processes:
EXCEL.EXEpid process 2464 EXCEL.EXE 2464 EXCEL.EXE 2464 EXCEL.EXE 2464 EXCEL.EXE 2464 EXCEL.EXE 2464 EXCEL.EXE 2464 EXCEL.EXE 2464 EXCEL.EXE 2464 EXCEL.EXE 2464 EXCEL.EXE 2464 EXCEL.EXE 2464 EXCEL.EXE -
Suspicious use of WriteProcessMemory 12 IoCs
Processes:
EXCEL.EXErundll32.exerundll32.exerundll32.exedescription pid process target process PID 2464 wrote to memory of 2172 2464 EXCEL.EXE rundll32.exe PID 2464 wrote to memory of 2172 2464 EXCEL.EXE rundll32.exe PID 2464 wrote to memory of 2172 2464 EXCEL.EXE rundll32.exe PID 2172 wrote to memory of 3748 2172 rundll32.exe rundll32.exe PID 2172 wrote to memory of 3748 2172 rundll32.exe rundll32.exe PID 2172 wrote to memory of 3748 2172 rundll32.exe rundll32.exe PID 3748 wrote to memory of 2972 3748 rundll32.exe rundll32.exe PID 3748 wrote to memory of 2972 3748 rundll32.exe rundll32.exe PID 3748 wrote to memory of 2972 3748 rundll32.exe rundll32.exe PID 2972 wrote to memory of 3216 2972 rundll32.exe rundll32.exe PID 2972 wrote to memory of 3216 2972 rundll32.exe rundll32.exe PID 2972 wrote to memory of 3216 2972 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\348096634dee34b5a2997542f31eba52bbff0f83680ac20e2c2c4030ec0b4baa.xlsm"1⤵
- Checks processor information in registry
- Enumerates system info in registry
- Suspicious behavior: AddClipboardFormatListener
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:2464 -
C:\Windows\SysWow64\rundll32.exeC:\Windows\SysWow64\rundll32.exe ..\ourl.ocx,D"&"l"&"lR"&"egister"&"Serve"&"r2⤵
- Process spawned unexpected child process
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:2172 -
C:\Windows\SysWOW64\rundll32.exeC:\Windows\SysWOW64\rundll32.exe "C:\Users\Admin\ourl.ocx",DllRegisterServer3⤵
- Loads dropped DLL
- Drops file in System32 directory
- Suspicious use of WriteProcessMemory
PID:3748 -
C:\Windows\SysWOW64\rundll32.exeC:\Windows\SysWOW64\rundll32.exe "C:\Windows\SysWOW64\Lkfdbobxxukg\kfdfywiilzg.zlh",XxWokpANYnrppH4⤵
- Suspicious use of WriteProcessMemory
PID:2972 -
C:\Windows\SysWOW64\rundll32.exeC:\Windows\SysWOW64\rundll32.exe "C:\Windows\System32\Lkfdbobxxukg\kfdfywiilzg.zlh",DllRegisterServer5⤵
- Blocklisted process makes network request
- Suspicious behavior: EnumeratesProcesses
PID:3216
Network
MITRE ATT&CK Enterprise v6
Replay Monitor
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Downloads
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MD5
f7dcb24540769805e5bb30d193944dce
SHA1e26c583c562293356794937d9e2e6155d15449ee
SHA2566b88c6ac55bbd6fea0ebe5a760d1ad2cfce251c59d0151a1400701cb927e36ea
SHA512cb5ad678b0ef642bf492f32079fe77e8be20c02de267f04b545df346b25f3e4eb98bb568c4c2c483bb88f7d1826863cb515b570d620766e52476c8ee2931ea94
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C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\57C8EDB95DF3F0AD4EE2DC2B8CFD4157
MD566387e597a92d1514e312c190d03359a
SHA13a59239dd25a2ecb021fe75c328677129edcaf0e
SHA256fb505859c731cab5c5d468beaef1635d6b9fbc7637d9542dc3464594dffadb27
SHA512a24120d6e468b5d4851a11fa025a8e8236d681f52bbde3ed548d2fe2f74bd4724336563b8c0ca09efd0e9686726c5fd3d4d25a3cb5889bd75ea980c7496f6f69
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MD5
9c2906143fc05bf363fc3fc41e1529ba
SHA1919e4af6be903815ad1079e38f8659cb754d9589
SHA256bad818d7a2bfe44e4fb22b520e518050634bc81fa93e3ff1aa1f3b0dee8afd33
SHA5128136e4452c1100941ae447ed7f9cb006a147db1c33b326b37c5b55ed5db0857e36afe1b8351f4e84aabfd66163a9854bd28a642aeb5c5465f4c203dfae65faa7
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MD5
9c2906143fc05bf363fc3fc41e1529ba
SHA1919e4af6be903815ad1079e38f8659cb754d9589
SHA256bad818d7a2bfe44e4fb22b520e518050634bc81fa93e3ff1aa1f3b0dee8afd33
SHA5128136e4452c1100941ae447ed7f9cb006a147db1c33b326b37c5b55ed5db0857e36afe1b8351f4e84aabfd66163a9854bd28a642aeb5c5465f4c203dfae65faa7
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MD5
9c2906143fc05bf363fc3fc41e1529ba
SHA1919e4af6be903815ad1079e38f8659cb754d9589
SHA256bad818d7a2bfe44e4fb22b520e518050634bc81fa93e3ff1aa1f3b0dee8afd33
SHA5128136e4452c1100941ae447ed7f9cb006a147db1c33b326b37c5b55ed5db0857e36afe1b8351f4e84aabfd66163a9854bd28a642aeb5c5465f4c203dfae65faa7