Analysis Overview
SHA256
7994c1a62ea89bb9237c4dc0bfb6b4ccc026c4c8971bebe11d13de37352d7239
Threat Level: Known bad
The file 7994c1a62ea89bb9237c4dc0bfb6b4ccc026c4c8971bebe11d13de37352d7239 was found to be: Known bad.
Malicious Activity Summary
Mystic
Detect Mystic stealer payload
Executes dropped EXE
Adds Run key to start application
Suspicious use of SetThreadContext
Program crash
Unsigned PE
Suspicious use of WriteProcessMemory
MITRE ATT&CK
Enterprise Matrix V15
Analysis: static1
Detonation Overview
Reported
2023-10-06 21:35
Signatures
Unsigned PE
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | N/A |
Analysis: behavioral1
Detonation Overview
Submitted
2023-10-06 21:35
Reported
2023-10-06 21:38
Platform
win10-20230915-en
Max time kernel
112s
Max time network
116s
Command Line
Signatures
Detect Mystic stealer payload
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | N/A |
| N/A | N/A | N/A | N/A |
| N/A | N/A | N/A | N/A |
| N/A | N/A | N/A | N/A |
Mystic
Executes dropped EXE
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\sK2Zo5RQ.exe | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\PZ0cL1Zv.exe | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\IXP002.TMP\OS5Mh4tR.exe | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\IXP003.TMP\oU0sX8vu.exe | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\IXP004.TMP\1tt38WD9.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_cleanup3 = "rundll32.exe C:\\Windows\\system32\\advpack.dll,DelNodeRunDLL32 \"C:\\Users\\Admin\\AppData\\Local\\Temp\\IXP003.TMP\\\"" | C:\Users\Admin\AppData\Local\Temp\IXP002.TMP\OS5Mh4tR.exe | N/A |
| Set value (str) | \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\RunOnce\wextract_cleanup4 = "rundll32.exe C:\\Windows\\system32\\advpack.dll,DelNodeRunDLL32 \"C:\\Users\\Admin\\AppData\\Local\\Temp\\IXP004.TMP\\\"" | C:\Users\Admin\AppData\Local\Temp\IXP003.TMP\oU0sX8vu.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\7994c1a62ea89bb9237c4dc0bfb6b4ccc026c4c8971bebe11d13de37352d7239.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\sK2Zo5RQ.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\PZ0cL1Zv.exe | N/A |
Suspicious use of SetThreadContext
| Description | Indicator | Process | Target |
| PID 2284 set thread context of 4544 | N/A | C:\Users\Admin\AppData\Local\Temp\IXP004.TMP\1tt38WD9.exe | C:\Windows\Microsoft.NET\Framework\v4.0.30319\AppLaunch.exe |
Program crash
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Windows\SysWOW64\WerFault.exe | C:\Users\Admin\AppData\Local\Temp\IXP004.TMP\1tt38WD9.exe |
| N/A | N/A | C:\Windows\SysWOW64\WerFault.exe | C:\Windows\Microsoft.NET\Framework\v4.0.30319\AppLaunch.exe |
Suspicious use of WriteProcessMemory
Processes
C:\Users\Admin\AppData\Local\Temp\7994c1a62ea89bb9237c4dc0bfb6b4ccc026c4c8971bebe11d13de37352d7239.exe
"C:\Users\Admin\AppData\Local\Temp\7994c1a62ea89bb9237c4dc0bfb6b4ccc026c4c8971bebe11d13de37352d7239.exe"
C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\sK2Zo5RQ.exe
C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\sK2Zo5RQ.exe
C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\PZ0cL1Zv.exe
C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\PZ0cL1Zv.exe
C:\Users\Admin\AppData\Local\Temp\IXP002.TMP\OS5Mh4tR.exe
C:\Users\Admin\AppData\Local\Temp\IXP002.TMP\OS5Mh4tR.exe
C:\Users\Admin\AppData\Local\Temp\IXP003.TMP\oU0sX8vu.exe
C:\Users\Admin\AppData\Local\Temp\IXP003.TMP\oU0sX8vu.exe
C:\Users\Admin\AppData\Local\Temp\IXP004.TMP\1tt38WD9.exe
C:\Users\Admin\AppData\Local\Temp\IXP004.TMP\1tt38WD9.exe
C:\Windows\Microsoft.NET\Framework\v4.0.30319\AppLaunch.exe
"C:\Windows\Microsoft.NET\Framework\v4.0.30319\AppLaunch.exe"
C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 2284 -s 144
C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 4544 -s 568
Network
| Country | Destination | Domain | Proto |
| US | 8.8.8.8:53 | 0.0.0.0.2.9.6.2.2.6.f.7.0.1.0.5.8.4.8.5.e.2.e.b.8.0.8.0.8.0.8.0.ip6.arpa | udp |
| US | 8.8.8.8:53 | 8.8.8.8.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 71.121.18.2.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 43.229.111.52.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 88.16.208.104.in-addr.arpa | udp |
Files
C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\sK2Zo5RQ.exe
| MD5 | 3d1af630afdf5da35986317a1398ac38 |
| SHA1 | cdecbe60afe943b1614708e72d7e67ff5513398b |
| SHA256 | 7b8ae81ef1423cead978a62b57b72349a89013cab614dcd409198ae6ce767da6 |
| SHA512 | 6b9bb1c5da9bdabbded4bd140d2e80f7d2190ed06b75f122087ba60a83ce30d41fc4ed75afbf5c5b2760670d755155fff555d569c036586bce72bfa3d1f80d8c |
C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\sK2Zo5RQ.exe
| MD5 | 3d1af630afdf5da35986317a1398ac38 |
| SHA1 | cdecbe60afe943b1614708e72d7e67ff5513398b |
| SHA256 | 7b8ae81ef1423cead978a62b57b72349a89013cab614dcd409198ae6ce767da6 |
| SHA512 | 6b9bb1c5da9bdabbded4bd140d2e80f7d2190ed06b75f122087ba60a83ce30d41fc4ed75afbf5c5b2760670d755155fff555d569c036586bce72bfa3d1f80d8c |
C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\PZ0cL1Zv.exe
| MD5 | 7d5cfd3832171729e4cc65619b2a3441 |
| SHA1 | 2cc7eff939fff7190cfa4742bcff6947556e667f |
| SHA256 | e81f500f7d3bfa296c5cbefb21e98d9761c1d0cc3b32dc9e01f9488b9ff29675 |
| SHA512 | 8bee0e42147bccc5a520bc62562436b1ac39d6814c3cd70c8c987db75ec8e59211605946e85e1d0c6971a3a0dc47572a457d9892455f1113adc3d300b39f9dbf |
C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\PZ0cL1Zv.exe
| MD5 | 7d5cfd3832171729e4cc65619b2a3441 |
| SHA1 | 2cc7eff939fff7190cfa4742bcff6947556e667f |
| SHA256 | e81f500f7d3bfa296c5cbefb21e98d9761c1d0cc3b32dc9e01f9488b9ff29675 |
| SHA512 | 8bee0e42147bccc5a520bc62562436b1ac39d6814c3cd70c8c987db75ec8e59211605946e85e1d0c6971a3a0dc47572a457d9892455f1113adc3d300b39f9dbf |
C:\Users\Admin\AppData\Local\Temp\IXP002.TMP\OS5Mh4tR.exe
| MD5 | 5b6852a5a87f1eaddbe0403ff18f44ee |
| SHA1 | 5d0041d5fe7c833354f64d8abc6c22cc20bd7576 |
| SHA256 | 6bb0d3f307a2124ee2291749e593571921675dee18892415af1301ed2bae15f0 |
| SHA512 | 68168a23d62fc3aec26d65d69f8f3a3f6af0c223251bc12b9070e22851c2acb10ee70f2db5b17cf973f02eaefe0102bbad816eccce22740286e0e800bc45a9cc |
C:\Users\Admin\AppData\Local\Temp\IXP002.TMP\OS5Mh4tR.exe
| MD5 | 5b6852a5a87f1eaddbe0403ff18f44ee |
| SHA1 | 5d0041d5fe7c833354f64d8abc6c22cc20bd7576 |
| SHA256 | 6bb0d3f307a2124ee2291749e593571921675dee18892415af1301ed2bae15f0 |
| SHA512 | 68168a23d62fc3aec26d65d69f8f3a3f6af0c223251bc12b9070e22851c2acb10ee70f2db5b17cf973f02eaefe0102bbad816eccce22740286e0e800bc45a9cc |
C:\Users\Admin\AppData\Local\Temp\IXP003.TMP\oU0sX8vu.exe
| MD5 | 072ef02ab1ad22f5d092ca19a7e15a9f |
| SHA1 | 90708916718cb37a75787f981bd01431d3cba163 |
| SHA256 | b7f75c2a125a90122cc6f851829443b5c3cd7ae18cbeecd4b7c183e43a78d34b |
| SHA512 | 616ce8fc830d7ea339b5662eb03df92671dee2574d6655842238133d475e6631fcdb886e137203518615c1975d6941d9f5b2c636ef09d054945c306e20bba716 |
C:\Users\Admin\AppData\Local\Temp\IXP003.TMP\oU0sX8vu.exe
| MD5 | 072ef02ab1ad22f5d092ca19a7e15a9f |
| SHA1 | 90708916718cb37a75787f981bd01431d3cba163 |
| SHA256 | b7f75c2a125a90122cc6f851829443b5c3cd7ae18cbeecd4b7c183e43a78d34b |
| SHA512 | 616ce8fc830d7ea339b5662eb03df92671dee2574d6655842238133d475e6631fcdb886e137203518615c1975d6941d9f5b2c636ef09d054945c306e20bba716 |
C:\Users\Admin\AppData\Local\Temp\IXP004.TMP\1tt38WD9.exe
| MD5 | e5493f444443c786ee7a8ef329caf38f |
| SHA1 | 116568938dfd71ec67fb19d3c6b774aab8ca69c6 |
| SHA256 | 8fdb070143618ff3251d4fdd5e8e509d64120ee54c1ae54d5ee2d393350f12ab |
| SHA512 | 5a8c1b1d1c0efd5d6a6b393be05919e6162ab08c33379784d59c404204d6cba6646b87628a6c8857cd3b29e9dcfee9bf6bfc161818924029560cc60e28ec065d |
C:\Users\Admin\AppData\Local\Temp\IXP004.TMP\1tt38WD9.exe
| MD5 | e5493f444443c786ee7a8ef329caf38f |
| SHA1 | 116568938dfd71ec67fb19d3c6b774aab8ca69c6 |
| SHA256 | 8fdb070143618ff3251d4fdd5e8e509d64120ee54c1ae54d5ee2d393350f12ab |
| SHA512 | 5a8c1b1d1c0efd5d6a6b393be05919e6162ab08c33379784d59c404204d6cba6646b87628a6c8857cd3b29e9dcfee9bf6bfc161818924029560cc60e28ec065d |
memory/4544-35-0x0000000000400000-0x0000000000428000-memory.dmp
memory/4544-38-0x0000000000400000-0x0000000000428000-memory.dmp
memory/4544-39-0x0000000000400000-0x0000000000428000-memory.dmp
memory/4544-41-0x0000000000400000-0x0000000000428000-memory.dmp