Analysis
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max time kernel
150s -
max time network
145s -
platform
windows10_x64 -
resource
win10-en-20211208 -
submitted
18-01-2022 13:44
Behavioral task
behavioral1
Sample
05361d3314ba8b997821bdeada471675b4082d1c8ad3c66bd57e84cba149a79d.xlsm
Resource
win10-en-20211208
General
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Target
05361d3314ba8b997821bdeada471675b4082d1c8ad3c66bd57e84cba149a79d.xlsm
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Size
99KB
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MD5
538c9e4e303b9290f50ef97588962a65
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SHA1
e4065aa7ff000ce9511300b7972564c1c1c1b2f4
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SHA256
05361d3314ba8b997821bdeada471675b4082d1c8ad3c66bd57e84cba149a79d
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SHA512
b5d8ee154f54c5a9128bb9739b2aaf2d432178549966a7216819d4ba1f5382a1fec0befad38dc768bd2d480bdffbad4454ed27221a98b0a63504f382a2f12aae
Malware Config
Extracted
http://avionxpress.com/lp/T9b1Bga4FdDfP5HI/
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 64 2660 rundll32.exe EXCEL.EXE -
Blocklisted process makes network request 3 IoCs
Processes:
rundll32.exeflow pid process 36 3864 rundll32.exe 37 3864 rundll32.exe 40 3864 rundll32.exe -
Downloads MZ/PE file
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Loads dropped DLL 2 IoCs
Processes:
rundll32.exerundll32.exepid process 64 rundll32.exe 3676 rundll32.exe -
Drops file in System32 directory 1 IoCs
Processes:
rundll32.exedescription ioc process File opened for modification C:\Windows\SysWOW64\Vpihghwvheyirofk\laahfh.mqm 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 2660 EXCEL.EXE -
Suspicious behavior: EnumeratesProcesses 2 IoCs
Processes:
rundll32.exepid process 3864 rundll32.exe 3864 rundll32.exe -
Suspicious use of SetWindowsHookEx 12 IoCs
Processes:
EXCEL.EXEpid process 2660 EXCEL.EXE 2660 EXCEL.EXE 2660 EXCEL.EXE 2660 EXCEL.EXE 2660 EXCEL.EXE 2660 EXCEL.EXE 2660 EXCEL.EXE 2660 EXCEL.EXE 2660 EXCEL.EXE 2660 EXCEL.EXE 2660 EXCEL.EXE 2660 EXCEL.EXE -
Suspicious use of WriteProcessMemory 12 IoCs
Processes:
EXCEL.EXErundll32.exerundll32.exerundll32.exedescription pid process target process PID 2660 wrote to memory of 64 2660 EXCEL.EXE rundll32.exe PID 2660 wrote to memory of 64 2660 EXCEL.EXE rundll32.exe PID 2660 wrote to memory of 64 2660 EXCEL.EXE rundll32.exe PID 64 wrote to memory of 3676 64 rundll32.exe rundll32.exe PID 64 wrote to memory of 3676 64 rundll32.exe rundll32.exe PID 64 wrote to memory of 3676 64 rundll32.exe rundll32.exe PID 3676 wrote to memory of 1764 3676 rundll32.exe rundll32.exe PID 3676 wrote to memory of 1764 3676 rundll32.exe rundll32.exe PID 3676 wrote to memory of 1764 3676 rundll32.exe rundll32.exe PID 1764 wrote to memory of 3864 1764 rundll32.exe rundll32.exe PID 1764 wrote to memory of 3864 1764 rundll32.exe rundll32.exe PID 1764 wrote to memory of 3864 1764 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\05361d3314ba8b997821bdeada471675b4082d1c8ad3c66bd57e84cba149a79d.xlsm"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\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
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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
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C:\Windows\SysWOW64\rundll32.exeC:\Windows\SysWOW64\rundll32.exe "C:\Windows\SysWOW64\Vpihghwvheyirofk\laahfh.mqm",jphMjcYeJS4⤵
- Suspicious use of WriteProcessMemory
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C:\Windows\SysWOW64\rundll32.exeC:\Windows\SysWOW64\rundll32.exe "C:\Windows\System32\Vpihghwvheyirofk\laahfh.mqm",DllRegisterServer5⤵
- Blocklisted process makes network request
- Suspicious behavior: EnumeratesProcesses
Network
MITRE ATT&CK Matrix ATT&CK v6
Replay Monitor
Loading Replay Monitor...
Downloads
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C:\Users\Admin\ourl.ocxMD5
562dab32542a479f5047898e2db9dfa4
SHA13123cba17796285c7176e333d6c46eedb74c5f7d
SHA2567b996a7128a06f089f0b4a46465ef2027383b348f8577d25e77a12f65877dec5
SHA51216898a79955cec1723c8f731df380c603f80ae44d96f3a40206d926af31c52633c5f27ded975d89afec849403ae83bcc8543882c74cdc83f920c1c16084c9994
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\Users\Admin\ourl.ocxMD5
562dab32542a479f5047898e2db9dfa4
SHA13123cba17796285c7176e333d6c46eedb74c5f7d
SHA2567b996a7128a06f089f0b4a46465ef2027383b348f8577d25e77a12f65877dec5
SHA51216898a79955cec1723c8f731df380c603f80ae44d96f3a40206d926af31c52633c5f27ded975d89afec849403ae83bcc8543882c74cdc83f920c1c16084c9994
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\Users\Admin\ourl.ocxMD5
562dab32542a479f5047898e2db9dfa4
SHA13123cba17796285c7176e333d6c46eedb74c5f7d
SHA2567b996a7128a06f089f0b4a46465ef2027383b348f8577d25e77a12f65877dec5
SHA51216898a79955cec1723c8f731df380c603f80ae44d96f3a40206d926af31c52633c5f27ded975d89afec849403ae83bcc8543882c74cdc83f920c1c16084c9994
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memory/64-264-0x00000000026D0000-0x00000000026F8000-memory.dmpFilesize
160KB
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memory/1764-280-0x0000000002C80000-0x0000000002CA8000-memory.dmpFilesize
160KB
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memory/2660-115-0x00007FF893410000-0x00007FF893420000-memory.dmpFilesize
64KB
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memory/2660-116-0x00007FF893410000-0x00007FF893420000-memory.dmpFilesize
64KB
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memory/2660-117-0x00007FF893410000-0x00007FF893420000-memory.dmpFilesize
64KB
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memory/2660-118-0x00007FF893410000-0x00007FF893420000-memory.dmpFilesize
64KB
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memory/2660-121-0x00007FF893410000-0x00007FF893420000-memory.dmpFilesize
64KB
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memory/2660-128-0x00007FF88FA70000-0x00007FF88FA80000-memory.dmpFilesize
64KB
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memory/2660-129-0x00007FF88FA70000-0x00007FF88FA80000-memory.dmpFilesize
64KB
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memory/3676-269-0x0000000005180000-0x00000000051A8000-memory.dmpFilesize
160KB
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memory/3676-273-0x00000000052A0000-0x00000000052C8000-memory.dmpFilesize
160KB
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memory/3676-275-0x0000000005420000-0x0000000005448000-memory.dmpFilesize
160KB
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memory/3676-277-0x0000000005480000-0x00000000054A8000-memory.dmpFilesize
160KB
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memory/3676-279-0x0000000005600000-0x0000000005628000-memory.dmpFilesize
160KB
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memory/3676-266-0x00000000035E0000-0x0000000003608000-memory.dmpFilesize
160KB
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memory/3864-285-0x00000000046C0000-0x00000000046E8000-memory.dmpFilesize
160KB
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memory/3864-283-0x0000000002710000-0x0000000002738000-memory.dmpFilesize
160KB
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memory/3864-287-0x00000000047A0000-0x00000000047C8000-memory.dmpFilesize
160KB
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memory/3864-289-0x0000000004880000-0x00000000048A8000-memory.dmpFilesize
160KB
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memory/3864-291-0x0000000004960000-0x0000000004988000-memory.dmpFilesize
160KB
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memory/3864-293-0x0000000004A40000-0x0000000004A68000-memory.dmpFilesize
160KB
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memory/3864-295-0x0000000004B40000-0x0000000004B68000-memory.dmpFilesize
160KB
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memory/3864-299-0x0000000004D30000-0x0000000004D58000-memory.dmpFilesize
160KB
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memory/3864-301-0x0000000004DB0000-0x0000000004DD8000-memory.dmpFilesize
160KB