Analysis Overview
SHA256
8a271be660b40e3b923bc8ba9479aa54d38cb232dd27e1217ad26e547e3a73bc
Threat Level: Known bad
The file 8a271be660b40e3b923bc8ba9479aa54d38cb232dd27e1217ad26e547e3a73bc_JC.vbs was found to be: Known bad.
Malicious Activity Summary
IcedID, BokBot
Blocklisted process makes network request
Checks computer location settings
Loads dropped DLL
Enumerates physical storage devices
Modifies registry class
Suspicious use of WriteProcessMemory
Suspicious behavior: EnumeratesProcesses
Uses Task Scheduler COM API
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 17:12
Platform
win7-20230831-en
Max time kernel
120s
Max time network
126s
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 |
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
Modifies registry class
| Description | Indicator | Process | Target |
| Key created | \REGISTRY\USER\S-1-5-21-86725733-3001458681-3405935542-1000_CLASSES\CLSID\{CD1A6948-1029-6F7B-A9B0-B5B689432798} | C:\Windows\system32\rundll32.exe | N/A |
| Set value (data) | \REGISTRY\USER\S-1-5-21-86725733-3001458681-3405935542-1000_CLASSES\CLSID\{CD1A6948-1029-6F7B-A9B0-B5B689432798}\ = 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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
Uses Task Scheduler COM API
Processes
C:\Windows\System32\WScript.exe
"C:\Windows\System32\WScript.exe" "C:\Users\Admin\AppData\Local\Temp\8a271be660b40e3b923bc8ba9479aa54d38cb232dd27e1217ad26e547e3a73bc_JC.vbs"
C:\Windows\System32\regsvr32.exe
"C:\Windows\System32\regsvr32.exe" C://windows/Temp/0494-1.dll
C:\Windows\System32\cmd.exe
"C:\Windows\System32\cmd.exe" /C rundll32.exe C:\Users\Admin\AppData\Roaming\Admin\Admin\Abufackw.dll,#1
C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Roaming\Admin\Admin\Abufackw.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 | jerryposter.com | udp |
| RU | 77.105.140.181:443 | jerryposter.com | tcp |
Files
C:\windows\Temp\0494-1.dll
| MD5 | d7e6bc7d9983adc4dd2820d00756c7c0 |
| SHA1 | 15fa33e71a2c20f73bc4595546b1494ec2e561b0 |
| SHA256 | f324bb47090d388fca1015260f66f67b708e8451292cd5679791792c90d5b711 |
| SHA512 | 42d534bd586e8ffec3ec170409667becec6206f97701497527ca1c8a35a6b251f6d9b24304d08b3460761abff6394446af11bed19c35a24affe9b165c50e7001 |
\Windows\Temp\0494-1.dll
| MD5 | d7e6bc7d9983adc4dd2820d00756c7c0 |
| SHA1 | 15fa33e71a2c20f73bc4595546b1494ec2e561b0 |
| SHA256 | f324bb47090d388fca1015260f66f67b708e8451292cd5679791792c90d5b711 |
| SHA512 | 42d534bd586e8ffec3ec170409667becec6206f97701497527ca1c8a35a6b251f6d9b24304d08b3460761abff6394446af11bed19c35a24affe9b165c50e7001 |
memory/3036-4-0x00000000002A0000-0x00000000002AD000-memory.dmp
C:\Users\Admin\AppData\Local\Temp\CabBAB9.tmp
| MD5 | f3441b8572aae8801c04f3060b550443 |
| SHA1 | 4ef0a35436125d6821831ef36c28ffaf196cda15 |
| SHA256 | 6720349e7d82ee0a8e73920d3c2b7cb2912d9fcf2edb6fd98f2f12820158b0bf |
| SHA512 | 5ba01ba421b50030e380ae6bbcd2f681f2a91947fe7fedb3c8e6b5f24dce9517abf57b1cf26cc6078d4bb53bde6fcfb2561591337c841f8f2cb121a3d71661b9 |
memory/3036-22-0x00000000002A0000-0x00000000002AD000-memory.dmp
C:\Users\Admin\AppData\Roaming\Admin\Admin\Abufackw.dll
| MD5 | 002c64d47bf8c0878ac8ec2b4740f682 |
| SHA1 | acc44c89420270083de7d67b025748a4b98071ed |
| SHA256 | b4f17e438636e166a94b2cd7c83e1c2b3cf1184122b6204521c1024e293ba8b1 |
| SHA512 | 80f44373c7dc7a08d94b65e1f830e6d922ae9b8fefca5beadaf6a1a8c33622219da404bed11daeb7de03f1b3432782a11cd019ff814b981b9e6885066666affd |
\Users\Admin\AppData\Roaming\Admin\Admin\Abufackw.dll
| MD5 | 002c64d47bf8c0878ac8ec2b4740f682 |
| SHA1 | acc44c89420270083de7d67b025748a4b98071ed |
| SHA256 | b4f17e438636e166a94b2cd7c83e1c2b3cf1184122b6204521c1024e293ba8b1 |
| SHA512 | 80f44373c7dc7a08d94b65e1f830e6d922ae9b8fefca5beadaf6a1a8c33622219da404bed11daeb7de03f1b3432782a11cd019ff814b981b9e6885066666affd |
\Users\Admin\AppData\Roaming\Admin\Admin\Abufackw.dll
| MD5 | 002c64d47bf8c0878ac8ec2b4740f682 |
| SHA1 | acc44c89420270083de7d67b025748a4b98071ed |
| SHA256 | b4f17e438636e166a94b2cd7c83e1c2b3cf1184122b6204521c1024e293ba8b1 |
| SHA512 | 80f44373c7dc7a08d94b65e1f830e6d922ae9b8fefca5beadaf6a1a8c33622219da404bed11daeb7de03f1b3432782a11cd019ff814b981b9e6885066666affd |
\Users\Admin\AppData\Roaming\Admin\Admin\Abufackw.dll
| MD5 | 002c64d47bf8c0878ac8ec2b4740f682 |
| SHA1 | acc44c89420270083de7d67b025748a4b98071ed |
| SHA256 | b4f17e438636e166a94b2cd7c83e1c2b3cf1184122b6204521c1024e293ba8b1 |
| SHA512 | 80f44373c7dc7a08d94b65e1f830e6d922ae9b8fefca5beadaf6a1a8c33622219da404bed11daeb7de03f1b3432782a11cd019ff814b981b9e6885066666affd |
\Users\Admin\AppData\Roaming\Admin\Admin\Abufackw.dll
| MD5 | 002c64d47bf8c0878ac8ec2b4740f682 |
| SHA1 | acc44c89420270083de7d67b025748a4b98071ed |
| SHA256 | b4f17e438636e166a94b2cd7c83e1c2b3cf1184122b6204521c1024e293ba8b1 |
| SHA512 | 80f44373c7dc7a08d94b65e1f830e6d922ae9b8fefca5beadaf6a1a8c33622219da404bed11daeb7de03f1b3432782a11cd019ff814b981b9e6885066666affd |
memory/2504-29-0x0000000001AC0000-0x0000000001B0F000-memory.dmp
memory/2504-30-0x0000000001D60000-0x0000000001DAC000-memory.dmp
memory/2504-35-0x0000000001D60000-0x0000000001DAC000-memory.dmp
memory/2504-36-0x0000000001D60000-0x0000000001DAC000-memory.dmp
memory/2504-37-0x0000000001AC0000-0x0000000001B0F000-memory.dmp
C:\Users\Admin\AppData\Local\Temp\TarF384.tmp
| MD5 | 9441737383d21192400eca82fda910ec |
| SHA1 | 725e0d606a4fc9ba44aa8ffde65bed15e65367e4 |
| SHA256 | bc3a6e84e41faeb57e7c21aa3b60c2a64777107009727c5b7c0ed8fe658909e5 |
| SHA512 | 7608dd653a66cd364392a78d4711b48d1707768d36996e4d38871c6843b5714e1d7da4b4cc6db969e6000cfa182bcb74216ef6823d1063f036fc5c3413fb8dcf |
C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\94308059B57B3142E455B38A6EB92015
| MD5 | a7468a08db9bcc2e67322f51fa8d0669 |
| SHA1 | 66b1050600f05920cb0de51aab629214469f3017 |
| SHA256 | c936b1001a546ae78694c441f508fc85e5b1e8006dbe12eb382b145e983e4121 |
| SHA512 | c73da20db342404e12ad0f6302616b8b9ca7fd9a919a51416928178b3da44483495927b00625df46cae8a9662c0966a5a086dec94c4d4c0cacabca5094a09f36 |
memory/2504-57-0x0000000001D60000-0x0000000001DAC000-memory.dmp
memory/2504-56-0x0000000001D60000-0x0000000001DAC000-memory.dmp
memory/2504-59-0x0000000001D60000-0x0000000001DAC000-memory.dmp
Analysis: behavioral2
Detonation Overview
Submitted
2023-10-12 16:08
Reported
2023-10-16 17:15
Platform
win10v2004-20230915-en
Max time kernel
132s
Max time network
167s
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 |
Checks computer location settings
| Description | Indicator | Process | Target |
| Key value queried | \REGISTRY\USER\S-1-5-21-1926387074-3400613176-3566796709-1000\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-1-5-21-1926387074-3400613176-3566796709-1000_Classes\CLSID\{22C48B53-EB1E-CD28-5E74-542AA472D77E} | C:\Windows\system32\rundll32.exe | N/A |
| Set value (data) | \REGISTRY\USER\S-1-5-21-1926387074-3400613176-3566796709-1000_Classes\CLSID\{22C48B53-EB1E-CD28-5E74-542AA472D77E}\ = c06fb6051a2fd7f129d6169e5931aa812ae209a668f0b4755e969ed3c1802e2e984d81ce60f60d3c62603836c63c17adf4730a2d54f83ee66c6b0744edcf14818421970afaf91dd89f609ca39e6e07fd14e3b9e2cab06a8883953a47507347b634c914aa503e73a37500d8f19fff1b12dcd106445f299ecf8453deb9ca3acca181bd8db1964daf2b354cda0deb70b51070a094e61befe9a9693dc71f07d319f96fa28ef9c9586aa1940579b409c49491bc55e16aaad7ae0141dc6100b185b90bf13fe857ea6f24c61a6537c39faf17af6628d5cf1aeb6c21b0e99ebb883256eddfe39f374cb991a71573b112a67bbf91ed0b5257a7f349ce63a48c311ff8dfa49527d6f6f1f0fdeebdfd7c331cc08ebd0a0c4f27 | 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 1164 wrote to memory of 8 | N/A | C:\Windows\System32\WScript.exe | C:\Windows\System32\regsvr32.exe |
| PID 1164 wrote to memory of 8 | N/A | C:\Windows\System32\WScript.exe | C:\Windows\System32\regsvr32.exe |
| PID 8 wrote to memory of 3340 | N/A | C:\Windows\System32\regsvr32.exe | C:\Windows\System32\cmd.exe |
| PID 8 wrote to memory of 3340 | N/A | C:\Windows\System32\regsvr32.exe | C:\Windows\System32\cmd.exe |
| PID 3340 wrote to memory of 2628 | N/A | C:\Windows\System32\cmd.exe | C:\Windows\system32\rundll32.exe |
| PID 3340 wrote to memory of 2628 | 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\8a271be660b40e3b923bc8ba9479aa54d38cb232dd27e1217ad26e547e3a73bc_JC.vbs"
C:\Windows\System32\regsvr32.exe
"C:\Windows\System32\regsvr32.exe" C://windows/Temp/0494-1.dll
C:\Windows\System32\cmd.exe
"C:\Windows\System32\cmd.exe" /C rundll32.exe C:\Users\Admin\AppData\Local\Admin\{8BCA64C5-ED77-8646-8F62-ACCAF0958105}\Arcoteacuo32.dll,#1
C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Admin\{8BCA64C5-ED77-8646-8F62-ACCAF0958105}\Arcoteacuo32.dll,#1
Network
| Country | Destination | Domain | Proto |
| US | 8.8.8.8:53 | 59.128.231.4.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 64.159.190.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 108.211.229.192.in-addr.arpa | udp |
| 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 | 12.104.18.212.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 103.169.127.40.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 15.164.165.52.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 11.227.111.52.in-addr.arpa | 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 | 26.73.42.20.in-addr.arpa | udp |
Files
C:\windows\Temp\0494-1.dll
| MD5 | d7e6bc7d9983adc4dd2820d00756c7c0 |
| SHA1 | 15fa33e71a2c20f73bc4595546b1494ec2e561b0 |
| SHA256 | f324bb47090d388fca1015260f66f67b708e8451292cd5679791792c90d5b711 |
| SHA512 | 42d534bd586e8ffec3ec170409667becec6206f97701497527ca1c8a35a6b251f6d9b24304d08b3460761abff6394446af11bed19c35a24affe9b165c50e7001 |
C:\Windows\Temp\0494-1.dll
| MD5 | d7e6bc7d9983adc4dd2820d00756c7c0 |
| SHA1 | 15fa33e71a2c20f73bc4595546b1494ec2e561b0 |
| SHA256 | f324bb47090d388fca1015260f66f67b708e8451292cd5679791792c90d5b711 |
| SHA512 | 42d534bd586e8ffec3ec170409667becec6206f97701497527ca1c8a35a6b251f6d9b24304d08b3460761abff6394446af11bed19c35a24affe9b165c50e7001 |
memory/8-4-0x0000000000D30000-0x0000000000D3D000-memory.dmp
memory/8-8-0x0000000000D30000-0x0000000000D3D000-memory.dmp
C:\Users\Admin\AppData\Local\Admin\{8BCA64C5-ED77-8646-8F62-ACCAF0958105}\Arcoteacuo32.dll
| MD5 | 002c64d47bf8c0878ac8ec2b4740f682 |
| SHA1 | acc44c89420270083de7d67b025748a4b98071ed |
| SHA256 | b4f17e438636e166a94b2cd7c83e1c2b3cf1184122b6204521c1024e293ba8b1 |
| SHA512 | 80f44373c7dc7a08d94b65e1f830e6d922ae9b8fefca5beadaf6a1a8c33622219da404bed11daeb7de03f1b3432782a11cd019ff814b981b9e6885066666affd |
C:\Users\Admin\AppData\Local\Admin\{8BCA64C5-ED77-8646-8F62-ACCAF0958105}\Arcoteacuo32.dll
| MD5 | 002c64d47bf8c0878ac8ec2b4740f682 |
| SHA1 | acc44c89420270083de7d67b025748a4b98071ed |
| SHA256 | b4f17e438636e166a94b2cd7c83e1c2b3cf1184122b6204521c1024e293ba8b1 |
| SHA512 | 80f44373c7dc7a08d94b65e1f830e6d922ae9b8fefca5beadaf6a1a8c33622219da404bed11daeb7de03f1b3432782a11cd019ff814b981b9e6885066666affd |
memory/2628-12-0x000001CBE1B20000-0x000001CBE1B6F000-memory.dmp
memory/2628-13-0x000001CBE34D0000-0x000001CBE351C000-memory.dmp
memory/2628-18-0x000001CBE34D0000-0x000001CBE351C000-memory.dmp
memory/2628-19-0x000001CBE34D0000-0x000001CBE351C000-memory.dmp
memory/2628-20-0x000001CBE1B20000-0x000001CBE1B6F000-memory.dmp
memory/2628-22-0x000001CBE34D0000-0x000001CBE351C000-memory.dmp
memory/2628-23-0x000001CBE34D0000-0x000001CBE351C000-memory.dmp
memory/2628-25-0x000001CBE34D0000-0x000001CBE351C000-memory.dmp