Analysis Overview
SHA256
fe5b99ae2f24a02b6eb25016c9736c313a779f9de26ca9e883482b8075830bbb
Threat Level: Known bad
The file fe5b99ae2f24a02b6eb25016c9736c313a779f9de26ca9e883482b8075830bbb was found to be: Known bad.
Malicious Activity Summary
Detect Mystic stealer payload
Mystic
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
2023-10-07 05:37
Signatures
Unsigned PE
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | N/A |
Analysis: behavioral1
Detonation Overview
Submitted
2023-10-07 05:36
Reported
2023-10-07 05:39
Platform
win10-20230915-en
Max time kernel
127s
Max time network
133s
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\bV7tb1zA.exe | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\qp0HK7Ul.exe | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\IXP002.TMP\rr4pb6lx.exe | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\IXP003.TMP\mm6SB2Dy.exe | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\IXP004.TMP\1Qq98rd6.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\fe5b99ae2f24a02b6eb25016c9736c313a779f9de26ca9e883482b8075830bbb.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\bV7tb1zA.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\qp0HK7Ul.exe | N/A |
| 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\rr4pb6lx.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\mm6SB2Dy.exe | N/A |
Suspicious use of SetThreadContext
| Description | Indicator | Process | Target |
| PID 768 set thread context of 3924 | N/A | C:\Users\Admin\AppData\Local\Temp\IXP004.TMP\1Qq98rd6.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\1Qq98rd6.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\fe5b99ae2f24a02b6eb25016c9736c313a779f9de26ca9e883482b8075830bbb.exe
"C:\Users\Admin\AppData\Local\Temp\fe5b99ae2f24a02b6eb25016c9736c313a779f9de26ca9e883482b8075830bbb.exe"
C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\bV7tb1zA.exe
C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\bV7tb1zA.exe
C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\qp0HK7Ul.exe
C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\qp0HK7Ul.exe
C:\Users\Admin\AppData\Local\Temp\IXP002.TMP\rr4pb6lx.exe
C:\Users\Admin\AppData\Local\Temp\IXP002.TMP\rr4pb6lx.exe
C:\Users\Admin\AppData\Local\Temp\IXP003.TMP\mm6SB2Dy.exe
C:\Users\Admin\AppData\Local\Temp\IXP003.TMP\mm6SB2Dy.exe
C:\Users\Admin\AppData\Local\Temp\IXP004.TMP\1Qq98rd6.exe
C:\Users\Admin\AppData\Local\Temp\IXP004.TMP\1Qq98rd6.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 768 -s 144
C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 3924 -s 568
Network
| Country | Destination | Domain | Proto |
| US | 8.8.8.8:53 | 71.121.18.2.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 19.229.111.52.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 8.3.197.209.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 11.173.189.20.in-addr.arpa | udp |
Files
C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\bV7tb1zA.exe
| MD5 | d3da42e88bd2c11504a978f1be9e2fc2 |
| SHA1 | 69adf4c22ec9ddf35c8189715d03ffc96d10505b |
| SHA256 | 3f1fdb06f2d2df9f56632e7bdbaa7e9dc92d1985f527d7dc1618ba2de3256319 |
| SHA512 | bab5d6a51a1146b936e7219b6fb8c9ed4a367c6b35cc204b8301bed664420030c885d82952ac16ccaf1cc2119d3e3b26cbd677a48bac4a66b6954faf31b34da9 |
C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\bV7tb1zA.exe
| MD5 | d3da42e88bd2c11504a978f1be9e2fc2 |
| SHA1 | 69adf4c22ec9ddf35c8189715d03ffc96d10505b |
| SHA256 | 3f1fdb06f2d2df9f56632e7bdbaa7e9dc92d1985f527d7dc1618ba2de3256319 |
| SHA512 | bab5d6a51a1146b936e7219b6fb8c9ed4a367c6b35cc204b8301bed664420030c885d82952ac16ccaf1cc2119d3e3b26cbd677a48bac4a66b6954faf31b34da9 |
C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\qp0HK7Ul.exe
| MD5 | ca9c01310163d1c147ca4505207e1c9c |
| SHA1 | e8abb26a431267b80f9d621c54bc50c00e4aeb9c |
| SHA256 | 8529de491a2a0590d4f22d0e79a61a52401bef71a9a9fa63ef21339090de7a5b |
| SHA512 | fa0fa5afb4debcfcac92afffb45d35f2c08b5b4c389bd9ff2726263b06b512d7f958c4f255caa7420cb0765097448f9dd9ee9127d1f7149e435e957ef8abee41 |
C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\qp0HK7Ul.exe
| MD5 | ca9c01310163d1c147ca4505207e1c9c |
| SHA1 | e8abb26a431267b80f9d621c54bc50c00e4aeb9c |
| SHA256 | 8529de491a2a0590d4f22d0e79a61a52401bef71a9a9fa63ef21339090de7a5b |
| SHA512 | fa0fa5afb4debcfcac92afffb45d35f2c08b5b4c389bd9ff2726263b06b512d7f958c4f255caa7420cb0765097448f9dd9ee9127d1f7149e435e957ef8abee41 |
C:\Users\Admin\AppData\Local\Temp\IXP002.TMP\rr4pb6lx.exe
| MD5 | 9c238ca3a69f0c5b481a0a037a0cf6ef |
| SHA1 | 9438335c07c5cf19de7c2302e8a6f98c23aa95c6 |
| SHA256 | 99feb47969ccc229401f2c996d99e7b9455030104873bfba2b4ddf1ef6fb3504 |
| SHA512 | e1c2d51222de3659e92225c79e5ac42e2da41683d87f053f651d7c3a5d1a7526d66bb1815e7e4c59d9f59c59206721d3315b77f0a234aa9d880fea3a9edf2be2 |
C:\Users\Admin\AppData\Local\Temp\IXP002.TMP\rr4pb6lx.exe
| MD5 | 9c238ca3a69f0c5b481a0a037a0cf6ef |
| SHA1 | 9438335c07c5cf19de7c2302e8a6f98c23aa95c6 |
| SHA256 | 99feb47969ccc229401f2c996d99e7b9455030104873bfba2b4ddf1ef6fb3504 |
| SHA512 | e1c2d51222de3659e92225c79e5ac42e2da41683d87f053f651d7c3a5d1a7526d66bb1815e7e4c59d9f59c59206721d3315b77f0a234aa9d880fea3a9edf2be2 |
C:\Users\Admin\AppData\Local\Temp\IXP003.TMP\mm6SB2Dy.exe
| MD5 | a5b1a870dd1633cec15a3b2d218e9ec0 |
| SHA1 | 5a31e3cb7c5ffd38d740ef7958a87cd75a84e97d |
| SHA256 | 65eb5088cac764e5a35252fde315c16772fc54dcad1ff3ecae699f961c55b7f2 |
| SHA512 | 5dc87525a429a2940d43ed8dbc2e30f94b80be577879af5cb2d7a4ec426bf1f7be16dbdb1920d6f8d9acda14eaa07748a1f4433cb12eb042421204a2906ef8ed |
C:\Users\Admin\AppData\Local\Temp\IXP003.TMP\mm6SB2Dy.exe
| MD5 | a5b1a870dd1633cec15a3b2d218e9ec0 |
| SHA1 | 5a31e3cb7c5ffd38d740ef7958a87cd75a84e97d |
| SHA256 | 65eb5088cac764e5a35252fde315c16772fc54dcad1ff3ecae699f961c55b7f2 |
| SHA512 | 5dc87525a429a2940d43ed8dbc2e30f94b80be577879af5cb2d7a4ec426bf1f7be16dbdb1920d6f8d9acda14eaa07748a1f4433cb12eb042421204a2906ef8ed |
C:\Users\Admin\AppData\Local\Temp\IXP004.TMP\1Qq98rd6.exe
| MD5 | f0831f173733de08511f3a0739f278a6 |
| SHA1 | 06dc809d653c5d2c97386084ae13b50a73eb5b60 |
| SHA256 | 8b00f9dce8ceb2123fba3bc9f88419960d1e661b6287eafeba4f0a2ee4be3d27 |
| SHA512 | 19e3176ce1f154758f685cc4582e93587aa534a251de315473e35758dcd6ff6315880be7602097308dc89c355742be4729bad81de597e8d430a8e868082314e3 |
C:\Users\Admin\AppData\Local\Temp\IXP004.TMP\1Qq98rd6.exe
| MD5 | f0831f173733de08511f3a0739f278a6 |
| SHA1 | 06dc809d653c5d2c97386084ae13b50a73eb5b60 |
| SHA256 | 8b00f9dce8ceb2123fba3bc9f88419960d1e661b6287eafeba4f0a2ee4be3d27 |
| SHA512 | 19e3176ce1f154758f685cc4582e93587aa534a251de315473e35758dcd6ff6315880be7602097308dc89c355742be4729bad81de597e8d430a8e868082314e3 |
memory/3924-35-0x0000000000400000-0x0000000000428000-memory.dmp
memory/3924-38-0x0000000000400000-0x0000000000428000-memory.dmp
memory/3924-39-0x0000000000400000-0x0000000000428000-memory.dmp
memory/3924-41-0x0000000000400000-0x0000000000428000-memory.dmp