Analysis Overview
SHA256
83b609fecf6c588e59fa26034b0488c6c4e80e591bf22a60efb905f5b94fad41
Threat Level: Known bad
The file 83b609fecf6c588e59fa26034b0488c6c4e80e591bf22a60efb905f5b94fad41 was found to be: Known bad.
Malicious Activity Summary
RedLine
Executes dropped EXE
Adds Run key to start application
Unsigned PE
Suspicious use of WriteProcessMemory
MITRE ATT&CK
Enterprise Matrix V15
Analysis: static1
Detonation Overview
Reported
2023-09-10 14:18
Signatures
Unsigned PE
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | N/A |
Analysis: behavioral1
Detonation Overview
Submitted
2023-09-10 14:18
Reported
2023-09-10 14:21
Platform
win10v2004-20230831-en
Max time kernel
138s
Max time network
152s
Command Line
Signatures
RedLine
Executes dropped EXE
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\y4570683.exe | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\y5142820.exe | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\IXP002.TMP\m5364919.exe | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\IXP002.TMP\n2420203.exe | N/A |
Adds Run key to start application
| Description | Indicator | Process | Target |
| Set value (str) | \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\RunOnce\wextract_cleanup1 = "rundll32.exe C:\\Windows\\system32\\advpack.dll,DelNodeRunDLL32 \"C:\\Users\\Admin\\AppData\\Local\\Temp\\IXP001.TMP\\\"" | C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\y4570683.exe | N/A |
| Set value (str) | \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\RunOnce\wextract_cleanup2 = "rundll32.exe C:\\Windows\\system32\\advpack.dll,DelNodeRunDLL32 \"C:\\Users\\Admin\\AppData\\Local\\Temp\\IXP002.TMP\\\"" | C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\y5142820.exe | N/A |
| Set value (str) | \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\RunOnce\wextract_cleanup0 = "rundll32.exe C:\\Windows\\system32\\advpack.dll,DelNodeRunDLL32 \"C:\\Users\\Admin\\AppData\\Local\\Temp\\IXP000.TMP\\\"" | C:\Users\Admin\AppData\Local\Temp\83b609fecf6c588e59fa26034b0488c6c4e80e591bf22a60efb905f5b94fad41.exe | N/A |
Suspicious use of WriteProcessMemory
Processes
C:\Users\Admin\AppData\Local\Temp\83b609fecf6c588e59fa26034b0488c6c4e80e591bf22a60efb905f5b94fad41.exe
"C:\Users\Admin\AppData\Local\Temp\83b609fecf6c588e59fa26034b0488c6c4e80e591bf22a60efb905f5b94fad41.exe"
C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\y4570683.exe
C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\y4570683.exe
C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\y5142820.exe
C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\y5142820.exe
C:\Users\Admin\AppData\Local\Temp\IXP002.TMP\m5364919.exe
C:\Users\Admin\AppData\Local\Temp\IXP002.TMP\m5364919.exe
C:\Users\Admin\AppData\Local\Temp\IXP002.TMP\n2420203.exe
C:\Users\Admin\AppData\Local\Temp\IXP002.TMP\n2420203.exe
Network
| Country | Destination | Domain | Proto |
| US | 8.8.8.8:53 | 64.159.190.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 126.153.27.67.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 95.221.229.192.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 2.136.104.51.in-addr.arpa | udp |
| RU | 5.42.92.211:80 | 5.42.92.211 | tcp |
| US | 8.8.8.8:53 | 88.156.103.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 211.92.42.5.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 20.160.190.20.in-addr.arpa | udp |
| FI | 77.91.124.82:19071 | tcp | |
| US | 8.8.8.8:53 | 158.240.127.40.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 146.78.124.51.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 157.123.68.40.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 171.39.242.20.in-addr.arpa | udp |
| FI | 77.91.124.82:19071 | tcp | |
| US | 8.8.8.8:53 | 240.81.21.72.in-addr.arpa | udp |
| FI | 77.91.124.82:19071 | tcp | |
| FI | 77.91.124.82:19071 | tcp | |
| FI | 77.91.124.82:19071 | tcp | |
| FI | 77.91.124.82:19071 | tcp | |
| US | 8.8.8.8:53 | 10.179.89.13.in-addr.arpa | udp |
Files
C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\y4570683.exe
| MD5 | 5521c57331da83588edd161eba7b6e1d |
| SHA1 | 7e4e5a63cb2508d8ad565f37a45cbbc6a1087d7d |
| SHA256 | 870486730212aeed0fc73582b427f4a6509c81ff6e3c32009064c6a6bb521679 |
| SHA512 | 11d77e8f1d050c533f62005457dea2dd25ccd0a87349b595d8fdb165962f9845d944415700a1b18de2114d91567d4f2c222e0ff1cc247a707e8c7a224e05ef33 |
C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\y4570683.exe
| MD5 | 5521c57331da83588edd161eba7b6e1d |
| SHA1 | 7e4e5a63cb2508d8ad565f37a45cbbc6a1087d7d |
| SHA256 | 870486730212aeed0fc73582b427f4a6509c81ff6e3c32009064c6a6bb521679 |
| SHA512 | 11d77e8f1d050c533f62005457dea2dd25ccd0a87349b595d8fdb165962f9845d944415700a1b18de2114d91567d4f2c222e0ff1cc247a707e8c7a224e05ef33 |
C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\y5142820.exe
| MD5 | 442193484f56815ccc4eeb90f560e34f |
| SHA1 | d23becbf851de8c659036e97974821e86749b96a |
| SHA256 | 218a65c19f5af779d5d1d66c3b41c9ad3e6282f9d904b1caf702e96227cddeb5 |
| SHA512 | 6c06b907011e5c93e5d6a6f71a08d255dca25ded91aff0bb63aaf872244ec409a41dc6d7222c60545786d175a11b26bf9cd61b69302fd217b0e286b99f436c6a |
C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\y5142820.exe
| MD5 | 442193484f56815ccc4eeb90f560e34f |
| SHA1 | d23becbf851de8c659036e97974821e86749b96a |
| SHA256 | 218a65c19f5af779d5d1d66c3b41c9ad3e6282f9d904b1caf702e96227cddeb5 |
| SHA512 | 6c06b907011e5c93e5d6a6f71a08d255dca25ded91aff0bb63aaf872244ec409a41dc6d7222c60545786d175a11b26bf9cd61b69302fd217b0e286b99f436c6a |
C:\Users\Admin\AppData\Local\Temp\IXP002.TMP\m5364919.exe
| MD5 | 805672335f1b392ab7ab697d7b2ae90d |
| SHA1 | 5f60ce6614bc9066b14115e1cbed72545ab95d80 |
| SHA256 | f0c08b9269ceb94a9c569dcfc1778ca6be3ab9ff89f29ece239a2f33bef6e552 |
| SHA512 | fda5a6d0a041c099ec3b13d004446c3aff08d3930f14f270ca2588f3ebf735fc2045ed79dd6a23a28db2be0cbc5ae6e776b8664bd60c4585ac746c523008b8d6 |
C:\Users\Admin\AppData\Local\Temp\IXP002.TMP\m5364919.exe
| MD5 | 805672335f1b392ab7ab697d7b2ae90d |
| SHA1 | 5f60ce6614bc9066b14115e1cbed72545ab95d80 |
| SHA256 | f0c08b9269ceb94a9c569dcfc1778ca6be3ab9ff89f29ece239a2f33bef6e552 |
| SHA512 | fda5a6d0a041c099ec3b13d004446c3aff08d3930f14f270ca2588f3ebf735fc2045ed79dd6a23a28db2be0cbc5ae6e776b8664bd60c4585ac746c523008b8d6 |
C:\Users\Admin\AppData\Local\Temp\IXP002.TMP\n2420203.exe
| MD5 | b7f8850dc9000b7ebf82fc9dca9cbfb8 |
| SHA1 | 34dd4ea44d9c0a42cbbb6c504b0fa8ecb6b2687e |
| SHA256 | 8d1a914cde94e96215838f49ec0debd837562fc50665c4a14356e8b5cf660a93 |
| SHA512 | dc25036e5d12924c17aecfd5d9c06b54fc21b4392b9a6396455f261d7bf48d4198cec2ef22c1a91c2d619a28e323f818a6b512471b6c4f5125f3a518a0a7d6e6 |
C:\Users\Admin\AppData\Local\Temp\IXP002.TMP\n2420203.exe
| MD5 | b7f8850dc9000b7ebf82fc9dca9cbfb8 |
| SHA1 | 34dd4ea44d9c0a42cbbb6c504b0fa8ecb6b2687e |
| SHA256 | 8d1a914cde94e96215838f49ec0debd837562fc50665c4a14356e8b5cf660a93 |
| SHA512 | dc25036e5d12924c17aecfd5d9c06b54fc21b4392b9a6396455f261d7bf48d4198cec2ef22c1a91c2d619a28e323f818a6b512471b6c4f5125f3a518a0a7d6e6 |
memory/2220-24-0x0000000000350000-0x0000000000380000-memory.dmp
memory/2220-25-0x0000000073CD0000-0x0000000074480000-memory.dmp
memory/2220-26-0x000000000A790000-0x000000000ADA8000-memory.dmp
memory/2220-27-0x000000000A300000-0x000000000A40A000-memory.dmp
memory/2220-29-0x0000000004CE0000-0x0000000004CF0000-memory.dmp
memory/2220-28-0x000000000A240000-0x000000000A252000-memory.dmp
memory/2220-30-0x000000000A2A0000-0x000000000A2DC000-memory.dmp
memory/2220-31-0x0000000073CD0000-0x0000000074480000-memory.dmp
memory/2220-32-0x0000000004CE0000-0x0000000004CF0000-memory.dmp