Analysis Overview
SHA256
8c5c7a8cdda35d77ae8e90a14e0732b6b48e4efb453434ac4d5e7df0e625b06a
Threat Level: Known bad
The file 8c5c7a8cdda35d77ae8e90a14e0732b6b48e4efb453434ac4d5e7df0e625b06a_JC.vbs was found to be: Known bad.
Malicious Activity Summary
IcedID, BokBot
Blocklisted process makes network request
Loads dropped DLL
Checks computer location settings
Enumerates physical storage devices
Suspicious use of WriteProcessMemory
Uses Task Scheduler COM API
Modifies registry class
Suspicious behavior: EnumeratesProcesses
MITRE ATT&CK
Enterprise Matrix V15
Analysis: static1
Detonation Overview
Reported
2023-10-12 16:08
Signatures
Analysis: behavioral1
Detonation Overview
Submitted
2023-10-12 16:08
Reported
2023-10-16 17:16
Platform
win7-20230831-en
Max time kernel
150s
Max time network
155s
Command Line
Signatures
IcedID, BokBot
Blocklisted process makes network request
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Windows\system32\rundll32.exe | N/A |
| N/A | N/A | C:\Windows\system32\rundll32.exe | N/A |
| N/A | N/A | C:\Windows\system32\rundll32.exe | N/A |
Loads dropped DLL
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Windows\System32\regsvr32.exe | N/A |
| N/A | N/A | C:\Windows\system32\rundll32.exe | N/A |
| N/A | N/A | C:\Windows\system32\rundll32.exe | N/A |
| N/A | N/A | C:\Windows\system32\rundll32.exe | N/A |
| N/A | N/A | C:\Windows\system32\rundll32.exe | N/A |
Enumerates physical storage devices
Suspicious behavior: EnumeratesProcesses
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Windows\System32\regsvr32.exe | N/A |
| N/A | N/A | C:\Windows\System32\regsvr32.exe | N/A |
Suspicious use of WriteProcessMemory
Uses Task Scheduler COM API
Processes
C:\Windows\System32\WScript.exe
"C:\Windows\System32\WScript.exe" "C:\Users\Admin\AppData\Local\Temp\8c5c7a8cdda35d77ae8e90a14e0732b6b48e4efb453434ac4d5e7df0e625b06a_JC.vbs"
C:\Windows\System32\regsvr32.exe
"C:\Windows\System32\regsvr32.exe" C://windows/Temp/0328-1.dll
C:\Windows\System32\cmd.exe
"C:\Windows\System32\cmd.exe" /C rundll32.exe C:\Users\Admin\AppData\Local\yokibd\Admin\ejeqacfb1.dll,#1
C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\yokibd\Admin\ejeqacfb1.dll,#1
Network
| Country | Destination | Domain | Proto |
| US | 8.8.8.8:53 | modalefastnow.com | udp |
| IQ | 212.18.104.12:443 | modalefastnow.com | tcp |
| IQ | 212.18.104.12:80 | modalefastnow.com | tcp |
| US | 8.8.8.8:53 | jkbarmossen.com | udp |
| US | 173.255.204.62:443 | jkbarmossen.com | tcp |
| US | 8.8.8.8:53 | evinakortu.com | udp |
| BG | 94.232.46.27:443 | evinakortu.com | tcp |
| US | 8.8.8.8:53 | hofsaalos.com | udp |
| RU | 92.118.112.113:443 | hofsaalos.com | tcp |
| US | 8.8.8.8:53 | skrechelres.com | udp |
Files
C:\windows\Temp\0328-1.dll
| MD5 | 8ad0d83ffb343ca6a291b412bf7505e0 |
| SHA1 | 20a379e488b213a36d36a10d5242a197976e048a |
| SHA256 | e4bdfa069c1d493eb4add6087d6853360a669686ebd69242b37dd7e65e1b9153 |
| SHA512 | f3981edac4d4ece3bdf6edcec816c8356e3dc16dc4809443b1e374003140a53c88ef1a3154743a506fde41369f86458e64c04f4f92ef2103221d064b7c61f2ff |
\Windows\Temp\0328-1.dll
| MD5 | 8ad0d83ffb343ca6a291b412bf7505e0 |
| SHA1 | 20a379e488b213a36d36a10d5242a197976e048a |
| SHA256 | e4bdfa069c1d493eb4add6087d6853360a669686ebd69242b37dd7e65e1b9153 |
| SHA512 | f3981edac4d4ece3bdf6edcec816c8356e3dc16dc4809443b1e374003140a53c88ef1a3154743a506fde41369f86458e64c04f4f92ef2103221d064b7c61f2ff |
memory/2420-4-0x0000000000120000-0x000000000012D000-memory.dmp
memory/2420-3-0x0000000000120000-0x000000000012D000-memory.dmp
C:\Users\Admin\AppData\Local\Temp\Cab7513.tmp
| MD5 | f3441b8572aae8801c04f3060b550443 |
| SHA1 | 4ef0a35436125d6821831ef36c28ffaf196cda15 |
| SHA256 | 6720349e7d82ee0a8e73920d3c2b7cb2912d9fcf2edb6fd98f2f12820158b0bf |
| SHA512 | 5ba01ba421b50030e380ae6bbcd2f681f2a91947fe7fedb3c8e6b5f24dce9517abf57b1cf26cc6078d4bb53bde6fcfb2561591337c841f8f2cb121a3d71661b9 |
memory/2420-22-0x0000000000120000-0x000000000012D000-memory.dmp
memory/2420-23-0x0000000000120000-0x000000000012D000-memory.dmp
\Users\Admin\AppData\Local\yokibd\Admin\ejeqacfb1.dll
| MD5 | 002c64d47bf8c0878ac8ec2b4740f682 |
| SHA1 | acc44c89420270083de7d67b025748a4b98071ed |
| SHA256 | b4f17e438636e166a94b2cd7c83e1c2b3cf1184122b6204521c1024e293ba8b1 |
| SHA512 | 80f44373c7dc7a08d94b65e1f830e6d922ae9b8fefca5beadaf6a1a8c33622219da404bed11daeb7de03f1b3432782a11cd019ff814b981b9e6885066666affd |
\Users\Admin\AppData\Local\yokibd\Admin\ejeqacfb1.dll
| MD5 | 002c64d47bf8c0878ac8ec2b4740f682 |
| SHA1 | acc44c89420270083de7d67b025748a4b98071ed |
| SHA256 | b4f17e438636e166a94b2cd7c83e1c2b3cf1184122b6204521c1024e293ba8b1 |
| SHA512 | 80f44373c7dc7a08d94b65e1f830e6d922ae9b8fefca5beadaf6a1a8c33622219da404bed11daeb7de03f1b3432782a11cd019ff814b981b9e6885066666affd |
\Users\Admin\AppData\Local\yokibd\Admin\ejeqacfb1.dll
| MD5 | 002c64d47bf8c0878ac8ec2b4740f682 |
| SHA1 | acc44c89420270083de7d67b025748a4b98071ed |
| SHA256 | b4f17e438636e166a94b2cd7c83e1c2b3cf1184122b6204521c1024e293ba8b1 |
| SHA512 | 80f44373c7dc7a08d94b65e1f830e6d922ae9b8fefca5beadaf6a1a8c33622219da404bed11daeb7de03f1b3432782a11cd019ff814b981b9e6885066666affd |
C:\Users\Admin\AppData\Local\yokibd\Admin\ejeqacfb1.dll
| MD5 | 002c64d47bf8c0878ac8ec2b4740f682 |
| SHA1 | acc44c89420270083de7d67b025748a4b98071ed |
| SHA256 | b4f17e438636e166a94b2cd7c83e1c2b3cf1184122b6204521c1024e293ba8b1 |
| SHA512 | 80f44373c7dc7a08d94b65e1f830e6d922ae9b8fefca5beadaf6a1a8c33622219da404bed11daeb7de03f1b3432782a11cd019ff814b981b9e6885066666affd |
\Users\Admin\AppData\Local\yokibd\Admin\ejeqacfb1.dll
| MD5 | 002c64d47bf8c0878ac8ec2b4740f682 |
| SHA1 | acc44c89420270083de7d67b025748a4b98071ed |
| SHA256 | b4f17e438636e166a94b2cd7c83e1c2b3cf1184122b6204521c1024e293ba8b1 |
| SHA512 | 80f44373c7dc7a08d94b65e1f830e6d922ae9b8fefca5beadaf6a1a8c33622219da404bed11daeb7de03f1b3432782a11cd019ff814b981b9e6885066666affd |
memory/2684-31-0x0000000001C40000-0x0000000001C8C000-memory.dmp
memory/2684-30-0x0000000000110000-0x000000000015F000-memory.dmp
memory/2684-36-0x0000000001C40000-0x0000000001C8C000-memory.dmp
memory/2684-37-0x0000000001C40000-0x0000000001C8C000-memory.dmp
memory/2684-38-0x0000000000110000-0x000000000015F000-memory.dmp
Analysis: behavioral2
Detonation Overview
Submitted
2023-10-12 16:08
Reported
2023-10-16 17:16
Platform
win10v2004-20230915-en
Max time kernel
183s
Max time network
197s
Command Line
Signatures
IcedID, BokBot
Blocklisted process makes network request
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Windows\system32\rundll32.exe | N/A |
| N/A | N/A | C:\Windows\system32\rundll32.exe | N/A |
Checks computer location settings
| Description | Indicator | Process | Target |
| Key value queried | \REGISTRY\USER\S-1-5-21-1045988481-1457812719-2617974652-1000\Control Panel\International\Geo\Nation | C:\Windows\System32\WScript.exe | N/A |
Loads dropped DLL
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Windows\System32\regsvr32.exe | N/A |
| N/A | N/A | C:\Windows\system32\rundll32.exe | N/A |
Enumerates physical storage devices
Modifies registry class
| Description | Indicator | Process | Target |
| Key created | \REGISTRY\USER\S-1-5-21-1045988481-1457812719-2617974652-1000_Classes\CLSID\{BF545EFF-1B42-ED22-5E98-BCE1DD3C18F3} | C:\Windows\system32\rundll32.exe | N/A |
| Set value (data) | \REGISTRY\USER\S-1-5-21-1045988481-1457812719-2617974652-1000_Classes\CLSID\{BF545EFF-1B42-ED22-5E98-BCE1DD3C18F3}\ = 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 | C:\Windows\system32\rundll32.exe | N/A |
Suspicious behavior: EnumeratesProcesses
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Windows\System32\regsvr32.exe | N/A |
| N/A | N/A | C:\Windows\System32\regsvr32.exe | N/A |
Suspicious use of WriteProcessMemory
| Description | Indicator | Process | Target |
| PID 2936 wrote to memory of 2820 | N/A | C:\Windows\System32\WScript.exe | C:\Windows\System32\regsvr32.exe |
| PID 2936 wrote to memory of 2820 | N/A | C:\Windows\System32\WScript.exe | C:\Windows\System32\regsvr32.exe |
| PID 2820 wrote to memory of 2236 | N/A | C:\Windows\System32\regsvr32.exe | C:\Windows\System32\cmd.exe |
| PID 2820 wrote to memory of 2236 | N/A | C:\Windows\System32\regsvr32.exe | C:\Windows\System32\cmd.exe |
| PID 2236 wrote to memory of 4852 | N/A | C:\Windows\System32\cmd.exe | C:\Windows\system32\rundll32.exe |
| PID 2236 wrote to memory of 4852 | N/A | C:\Windows\System32\cmd.exe | C:\Windows\system32\rundll32.exe |
Uses Task Scheduler COM API
Processes
C:\Windows\System32\WScript.exe
"C:\Windows\System32\WScript.exe" "C:\Users\Admin\AppData\Local\Temp\8c5c7a8cdda35d77ae8e90a14e0732b6b48e4efb453434ac4d5e7df0e625b06a_JC.vbs"
C:\Windows\System32\regsvr32.exe
"C:\Windows\System32\regsvr32.exe" C://windows/Temp/0328-1.dll
C:\Windows\System32\cmd.exe
"C:\Windows\System32\cmd.exe" /C rundll32.exe C:\Users\Admin\AppData\Roaming\{1BA8F424-A89D-88F1-16F4-42A663196520}\ahqowiackf2.dll,#1
C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Roaming\{1BA8F424-A89D-88F1-16F4-42A663196520}\ahqowiackf2.dll,#1
Network
| Country | Destination | Domain | Proto |
| US | 8.8.8.8:53 | 8.8.8.8.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 26.165.165.52.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 240.81.21.72.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 56.126.166.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 254.5.248.8.in-addr.arpa | udp |
| US | 8.8.8.8:53 | modalefastnow.com | udp |
| IQ | 212.18.104.12:443 | modalefastnow.com | tcp |
| US | 8.8.8.8:53 | 12.104.18.212.in-addr.arpa | udp |
| IQ | 212.18.104.12:80 | modalefastnow.com | tcp |
| US | 8.8.8.8:53 | modalefastnow.com | udp |
| US | 8.8.8.8:53 | 158.240.127.40.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 48.229.111.52.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 59.128.231.4.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 23.159.190.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 9.57.101.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 6.173.189.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | hofsaalos.com | udp |
| RU | 92.118.112.113:443 | hofsaalos.com | tcp |
| US | 8.8.8.8:53 | 108.211.229.192.in-addr.arpa | udp |
| US | 8.8.8.8:53 | skrechelres.com | udp |
| US | 8.8.8.8:53 | jerryposter.com | udp |
| RU | 77.105.140.181:443 | jerryposter.com | tcp |
| US | 8.8.8.8:53 | 181.140.105.77.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 64.159.190.20.in-addr.arpa | udp |
Files
C:\windows\Temp\0328-1.dll
| MD5 | 8ad0d83ffb343ca6a291b412bf7505e0 |
| SHA1 | 20a379e488b213a36d36a10d5242a197976e048a |
| SHA256 | e4bdfa069c1d493eb4add6087d6853360a669686ebd69242b37dd7e65e1b9153 |
| SHA512 | f3981edac4d4ece3bdf6edcec816c8356e3dc16dc4809443b1e374003140a53c88ef1a3154743a506fde41369f86458e64c04f4f92ef2103221d064b7c61f2ff |
C:\Windows\Temp\0328-1.dll
| MD5 | 8ad0d83ffb343ca6a291b412bf7505e0 |
| SHA1 | 20a379e488b213a36d36a10d5242a197976e048a |
| SHA256 | e4bdfa069c1d493eb4add6087d6853360a669686ebd69242b37dd7e65e1b9153 |
| SHA512 | f3981edac4d4ece3bdf6edcec816c8356e3dc16dc4809443b1e374003140a53c88ef1a3154743a506fde41369f86458e64c04f4f92ef2103221d064b7c61f2ff |
memory/2820-4-0x0000000001210000-0x000000000121D000-memory.dmp
memory/2820-7-0x0000000001210000-0x000000000121D000-memory.dmp
memory/2820-9-0x0000000001210000-0x000000000121D000-memory.dmp
C:\Users\Admin\AppData\Roaming\{1BA8F424-A89D-88F1-16F4-42A663196520}\ahqowiackf2.dll
| MD5 | 002c64d47bf8c0878ac8ec2b4740f682 |
| SHA1 | acc44c89420270083de7d67b025748a4b98071ed |
| SHA256 | b4f17e438636e166a94b2cd7c83e1c2b3cf1184122b6204521c1024e293ba8b1 |
| SHA512 | 80f44373c7dc7a08d94b65e1f830e6d922ae9b8fefca5beadaf6a1a8c33622219da404bed11daeb7de03f1b3432782a11cd019ff814b981b9e6885066666affd |
C:\Users\Admin\AppData\Roaming\{1BA8F424-A89D-88F1-16F4-42A663196520}\ahqowiackf2.dll
| MD5 | 002c64d47bf8c0878ac8ec2b4740f682 |
| SHA1 | acc44c89420270083de7d67b025748a4b98071ed |
| SHA256 | b4f17e438636e166a94b2cd7c83e1c2b3cf1184122b6204521c1024e293ba8b1 |
| SHA512 | 80f44373c7dc7a08d94b65e1f830e6d922ae9b8fefca5beadaf6a1a8c33622219da404bed11daeb7de03f1b3432782a11cd019ff814b981b9e6885066666affd |
memory/4852-13-0x000002348E0B0000-0x000002348E0FF000-memory.dmp
memory/4852-14-0x000002348FA00000-0x000002348FA4C000-memory.dmp
memory/4852-19-0x000002348FA00000-0x000002348FA4C000-memory.dmp
memory/4852-20-0x000002348FA00000-0x000002348FA4C000-memory.dmp
memory/4852-21-0x000002348E0B0000-0x000002348E0FF000-memory.dmp
memory/4852-24-0x000002348FA00000-0x000002348FA4C000-memory.dmp
memory/4852-25-0x000002348FA00000-0x000002348FA4C000-memory.dmp
memory/4852-27-0x000002348FA00000-0x000002348FA4C000-memory.dmp