Analysis Overview
SHA256
8f2c5b4e1829044fb233653beafbf4b3cbd3eb8e7d0761d1caf5ca0cdb5babd3
Threat Level: Known bad
The file 8f2c5b4e1829044fb233653beafbf4b3cbd3eb8e7d0761d1caf5ca0cdb5babd3 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 09:38
Signatures
Unsigned PE
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | N/A |
Analysis: behavioral1
Detonation Overview
Submitted
2023-09-10 09:37
Reported
2023-09-10 09:40
Platform
win10v2004-20230831-en
Max time kernel
143s
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\y9269829.exe | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\y4910535.exe | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\IXP002.TMP\m7079454.exe | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\IXP002.TMP\n8034795.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_cleanup0 = "rundll32.exe C:\\Windows\\system32\\advpack.dll,DelNodeRunDLL32 \"C:\\Users\\Admin\\AppData\\Local\\Temp\\IXP000.TMP\\\"" | C:\Users\Admin\AppData\Local\Temp\8f2c5b4e1829044fb233653beafbf4b3cbd3eb8e7d0761d1caf5ca0cdb5babd3.exe | N/A |
| 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\y9269829.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\y4910535.exe | N/A |
Suspicious use of WriteProcessMemory
Processes
C:\Users\Admin\AppData\Local\Temp\8f2c5b4e1829044fb233653beafbf4b3cbd3eb8e7d0761d1caf5ca0cdb5babd3.exe
"C:\Users\Admin\AppData\Local\Temp\8f2c5b4e1829044fb233653beafbf4b3cbd3eb8e7d0761d1caf5ca0cdb5babd3.exe"
C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\y9269829.exe
C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\y9269829.exe
C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\y4910535.exe
C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\y4910535.exe
C:\Users\Admin\AppData\Local\Temp\IXP002.TMP\m7079454.exe
C:\Users\Admin\AppData\Local\Temp\IXP002.TMP\m7079454.exe
C:\Users\Admin\AppData\Local\Temp\IXP002.TMP\n8034795.exe
C:\Users\Admin\AppData\Local\Temp\IXP002.TMP\n8034795.exe
Network
| Country | Destination | Domain | Proto |
| US | 8.8.8.8:53 | 208.194.73.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 14.160.190.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 95.221.229.192.in-addr.arpa | udp |
| RU | 5.42.92.211:80 | tcp | |
| US | 8.8.8.8:53 | 9.228.82.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 26.35.223.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 41.110.16.96.in-addr.arpa | udp |
| FI | 77.91.124.82:19071 | tcp | |
| US | 8.8.8.8:53 | 50.23.12.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 198.187.3.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 1.202.248.87.in-addr.arpa | udp |
| US | 8.8.8.8:53 | tse1.mm.bing.net | udp |
| US | 204.79.197.200:443 | tse1.mm.bing.net | tcp |
| US | 204.79.197.200:443 | tse1.mm.bing.net | tcp |
| US | 204.79.197.200:443 | tse1.mm.bing.net | tcp |
| US | 204.79.197.200:443 | tse1.mm.bing.net | tcp |
| US | 204.79.197.200:443 | tse1.mm.bing.net | tcp |
| US | 8.8.8.8:53 | 88.156.103.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 200.197.79.204.in-addr.arpa | udp |
| FI | 77.91.124.82:19071 | tcp | |
| FI | 77.91.124.82:19071 | tcp | |
| US | 8.8.8.8:53 | 19.229.111.52.in-addr.arpa | udp |
| FI | 77.91.124.82:19071 | tcp | |
| FI | 77.91.124.82:19071 | tcp | |
| US | 8.8.8.8:53 | 84.65.42.20.in-addr.arpa | udp |
Files
C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\y9269829.exe
| MD5 | bea3dd31c946f56b1ee4a7088f6c419d |
| SHA1 | 8180c3213d79697891421d0728df1fc0589a7e22 |
| SHA256 | 7449459b0fb1827711d6f56c1a9e1255cb83d08aa28ee04314395989aa471193 |
| SHA512 | efe0839381cef17384e694d7eb66ba8536495fbbbc76160f05d35c7d88217a8fd5c76fc45355b406553801a37ed3a92f1c488c52d4d702b1d15d1ec00b57cb47 |
C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\y9269829.exe
| MD5 | bea3dd31c946f56b1ee4a7088f6c419d |
| SHA1 | 8180c3213d79697891421d0728df1fc0589a7e22 |
| SHA256 | 7449459b0fb1827711d6f56c1a9e1255cb83d08aa28ee04314395989aa471193 |
| SHA512 | efe0839381cef17384e694d7eb66ba8536495fbbbc76160f05d35c7d88217a8fd5c76fc45355b406553801a37ed3a92f1c488c52d4d702b1d15d1ec00b57cb47 |
C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\y4910535.exe
| MD5 | e08ad83e81025de2b7ee198a69a837d1 |
| SHA1 | 88fbbbb2688fa0867b2a72fab3314212b9878fb5 |
| SHA256 | 137650ae449dbd4fa76e941db6f9c665f2466c397a3811747e7797e3f3b6c775 |
| SHA512 | 69b4bbf21413bfe5e926eb9cb057fddca5d8b1f2b39d9ca5ec83063270a63c9c734e9db4777ca36d5a7db939a14a7ef48c7edcdfaffcf29c6a45b6c2c08e7301 |
C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\y4910535.exe
| MD5 | e08ad83e81025de2b7ee198a69a837d1 |
| SHA1 | 88fbbbb2688fa0867b2a72fab3314212b9878fb5 |
| SHA256 | 137650ae449dbd4fa76e941db6f9c665f2466c397a3811747e7797e3f3b6c775 |
| SHA512 | 69b4bbf21413bfe5e926eb9cb057fddca5d8b1f2b39d9ca5ec83063270a63c9c734e9db4777ca36d5a7db939a14a7ef48c7edcdfaffcf29c6a45b6c2c08e7301 |
C:\Users\Admin\AppData\Local\Temp\IXP002.TMP\m7079454.exe
| MD5 | d947d7ae9189e28fe42727b55d999599 |
| SHA1 | 87d859b253925f167e6c7d014475d05bbd013df8 |
| SHA256 | f692376445b6f4824206bfa347faf35b368d30f9d58710fbe9442d978b06da1c |
| SHA512 | 2f9ec511d77db84a43bef22399647c3779704f6acd9cbda433cb98c26d946c83b49b4a2a7da2e13ee057ca66337c4feb9ee8b2aa6893257b749ca342fe950c1d |
C:\Users\Admin\AppData\Local\Temp\IXP002.TMP\m7079454.exe
| MD5 | d947d7ae9189e28fe42727b55d999599 |
| SHA1 | 87d859b253925f167e6c7d014475d05bbd013df8 |
| SHA256 | f692376445b6f4824206bfa347faf35b368d30f9d58710fbe9442d978b06da1c |
| SHA512 | 2f9ec511d77db84a43bef22399647c3779704f6acd9cbda433cb98c26d946c83b49b4a2a7da2e13ee057ca66337c4feb9ee8b2aa6893257b749ca342fe950c1d |
C:\Users\Admin\AppData\Local\Temp\IXP002.TMP\n8034795.exe
| MD5 | 09d469f1734c53443dbadbeb46473673 |
| SHA1 | b7a7dbd396b9db089546e95f3ff9c5ff382839b8 |
| SHA256 | c3e92d805ddfd824eaff734eb0e098455745020288909c9b6b0606fd23120cd6 |
| SHA512 | 6d565285694e453bf5e87f4081da03a72d72dc8dc4e46dc6d062606430b8d241abb79f8e668ada123f7b7ed974ecc63d3216e303021824ae3e14ed0d29c40517 |
C:\Users\Admin\AppData\Local\Temp\IXP002.TMP\n8034795.exe
| MD5 | 09d469f1734c53443dbadbeb46473673 |
| SHA1 | b7a7dbd396b9db089546e95f3ff9c5ff382839b8 |
| SHA256 | c3e92d805ddfd824eaff734eb0e098455745020288909c9b6b0606fd23120cd6 |
| SHA512 | 6d565285694e453bf5e87f4081da03a72d72dc8dc4e46dc6d062606430b8d241abb79f8e668ada123f7b7ed974ecc63d3216e303021824ae3e14ed0d29c40517 |
memory/2188-24-0x0000000000410000-0x0000000000440000-memory.dmp
memory/2188-25-0x0000000074910000-0x00000000750C0000-memory.dmp
memory/2188-26-0x00000000054F0000-0x0000000005B08000-memory.dmp
memory/2188-27-0x0000000004FE0000-0x00000000050EA000-memory.dmp
memory/2188-28-0x0000000004DC0000-0x0000000004DD0000-memory.dmp
memory/2188-29-0x0000000004EF0000-0x0000000004F02000-memory.dmp
memory/2188-30-0x0000000004F50000-0x0000000004F8C000-memory.dmp
memory/2188-31-0x0000000074910000-0x00000000750C0000-memory.dmp
memory/2188-32-0x0000000004DC0000-0x0000000004DD0000-memory.dmp