Analysis Overview
SHA256
618fb792b6e084b763990ce2b947f940e4c4739f486d149d747935368feeac0d
Threat Level: Known bad
The file 618fb792b6e084b763990ce2b947f940e4c4739f486d149d747935368feeac0d 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 05:29
Signatures
Unsigned PE
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | N/A |
Analysis: behavioral1
Detonation Overview
Submitted
2023-10-07 05:29
Reported
2023-10-07 05:32
Platform
win10-20230915-en
Max time kernel
69s
Max time network
74s
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\am4Bj5wZ.exe | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\yo9Qh0IA.exe | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\IXP002.TMP\Sw1ap1AQ.exe | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\IXP003.TMP\bl3AC3oh.exe | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\IXP004.TMP\1sa00VW0.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\Sw1ap1AQ.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\bl3AC3oh.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\618fb792b6e084b763990ce2b947f940e4c4739f486d149d747935368feeac0d.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\am4Bj5wZ.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\yo9Qh0IA.exe | N/A |
Suspicious use of SetThreadContext
| Description | Indicator | Process | Target |
| PID 4156 set thread context of 5084 | N/A | C:\Users\Admin\AppData\Local\Temp\IXP004.TMP\1sa00VW0.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\1sa00VW0.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\618fb792b6e084b763990ce2b947f940e4c4739f486d149d747935368feeac0d.exe
"C:\Users\Admin\AppData\Local\Temp\618fb792b6e084b763990ce2b947f940e4c4739f486d149d747935368feeac0d.exe"
C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\am4Bj5wZ.exe
C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\am4Bj5wZ.exe
C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\yo9Qh0IA.exe
C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\yo9Qh0IA.exe
C:\Users\Admin\AppData\Local\Temp\IXP002.TMP\Sw1ap1AQ.exe
C:\Users\Admin\AppData\Local\Temp\IXP002.TMP\Sw1ap1AQ.exe
C:\Users\Admin\AppData\Local\Temp\IXP003.TMP\bl3AC3oh.exe
C:\Users\Admin\AppData\Local\Temp\IXP003.TMP\bl3AC3oh.exe
C:\Users\Admin\AppData\Local\Temp\IXP004.TMP\1sa00VW0.exe
C:\Users\Admin\AppData\Local\Temp\IXP004.TMP\1sa00VW0.exe
C:\Windows\Microsoft.NET\Framework\v4.0.30319\AppLaunch.exe
"C:\Windows\Microsoft.NET\Framework\v4.0.30319\AppLaunch.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 4156 -s 580
C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 5084 -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 | 21.236.111.52.in-addr.arpa | udp |
Files
C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\am4Bj5wZ.exe
| MD5 | a1f102d079667028ef76c6707bc29292 |
| SHA1 | 42a76cfaf591201bfc000e55fa736c5f0e7b534c |
| SHA256 | 8f229f70b74527f775caa2811ce76fbd9942d5da2cf6a70d5c3f7115e4a854dc |
| SHA512 | 7b5a09932fe5f59b5deee567367defffff51ea224c9dc3839fd5d7af523e1d17fecdfe4579fdddd3c6481cab5fadad8fda6da8bf06d155e282411087fe83fd07 |
C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\am4Bj5wZ.exe
| MD5 | a1f102d079667028ef76c6707bc29292 |
| SHA1 | 42a76cfaf591201bfc000e55fa736c5f0e7b534c |
| SHA256 | 8f229f70b74527f775caa2811ce76fbd9942d5da2cf6a70d5c3f7115e4a854dc |
| SHA512 | 7b5a09932fe5f59b5deee567367defffff51ea224c9dc3839fd5d7af523e1d17fecdfe4579fdddd3c6481cab5fadad8fda6da8bf06d155e282411087fe83fd07 |
C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\yo9Qh0IA.exe
| MD5 | 0ca21e75ae765e9336894b6f1559e257 |
| SHA1 | 09f5a2d4ae1883b639c3d4a2d3512b68e2916c13 |
| SHA256 | 0231a8b245aaa3281d7973118998fed869cc99a44ad56b8715b04d722010196b |
| SHA512 | e0d2714c3f9d715460246342669a3e4f234e4f9a06553648a737eed0ba7ae75bdf00f0cee35bef7209ef3720f5c519a02c3a43c60c33043c933085924fc5d18b |
C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\yo9Qh0IA.exe
| MD5 | 0ca21e75ae765e9336894b6f1559e257 |
| SHA1 | 09f5a2d4ae1883b639c3d4a2d3512b68e2916c13 |
| SHA256 | 0231a8b245aaa3281d7973118998fed869cc99a44ad56b8715b04d722010196b |
| SHA512 | e0d2714c3f9d715460246342669a3e4f234e4f9a06553648a737eed0ba7ae75bdf00f0cee35bef7209ef3720f5c519a02c3a43c60c33043c933085924fc5d18b |
C:\Users\Admin\AppData\Local\Temp\IXP002.TMP\Sw1ap1AQ.exe
| MD5 | 953f6f20547811723eef9d2b31995394 |
| SHA1 | 2108a95bd73dea8b4fd7abc67a3e4333905faacc |
| SHA256 | ec4469f238b205f8fa510a4bd070b0afe98a694c5c9a05b36cffa9d43f80a6bf |
| SHA512 | 49701f2ecd294aacb23323a59dab61faab3604e7eefa66b81dc3ef48f7426a996f8da0ff700cacd039f88b1a7dc3d38819c89ea12e8738fb433727199b91f8bd |
C:\Users\Admin\AppData\Local\Temp\IXP002.TMP\Sw1ap1AQ.exe
| MD5 | 953f6f20547811723eef9d2b31995394 |
| SHA1 | 2108a95bd73dea8b4fd7abc67a3e4333905faacc |
| SHA256 | ec4469f238b205f8fa510a4bd070b0afe98a694c5c9a05b36cffa9d43f80a6bf |
| SHA512 | 49701f2ecd294aacb23323a59dab61faab3604e7eefa66b81dc3ef48f7426a996f8da0ff700cacd039f88b1a7dc3d38819c89ea12e8738fb433727199b91f8bd |
C:\Users\Admin\AppData\Local\Temp\IXP003.TMP\bl3AC3oh.exe
| MD5 | 68a449da9a3f6b2866d77d751063d403 |
| SHA1 | 06014bfe82a3ff82dbe81f2705973b15407bbfa0 |
| SHA256 | 95730b6d23207d6d16569caf3b61d294fc3dedbc65955f8f9cdcc8e98a259c2d |
| SHA512 | 7f087ce3bf5004ea2612cacc1fe8038d2a5ac179ecec7cdab86f5174068dd00eb1647f1fb247ab757637edbad0bc50f8922cfec4e1efb5c7eee486ffdf0cbd5f |
C:\Users\Admin\AppData\Local\Temp\IXP003.TMP\bl3AC3oh.exe
| MD5 | 68a449da9a3f6b2866d77d751063d403 |
| SHA1 | 06014bfe82a3ff82dbe81f2705973b15407bbfa0 |
| SHA256 | 95730b6d23207d6d16569caf3b61d294fc3dedbc65955f8f9cdcc8e98a259c2d |
| SHA512 | 7f087ce3bf5004ea2612cacc1fe8038d2a5ac179ecec7cdab86f5174068dd00eb1647f1fb247ab757637edbad0bc50f8922cfec4e1efb5c7eee486ffdf0cbd5f |
C:\Users\Admin\AppData\Local\Temp\IXP004.TMP\1sa00VW0.exe
| MD5 | f0831f173733de08511f3a0739f278a6 |
| SHA1 | 06dc809d653c5d2c97386084ae13b50a73eb5b60 |
| SHA256 | 8b00f9dce8ceb2123fba3bc9f88419960d1e661b6287eafeba4f0a2ee4be3d27 |
| SHA512 | 19e3176ce1f154758f685cc4582e93587aa534a251de315473e35758dcd6ff6315880be7602097308dc89c355742be4729bad81de597e8d430a8e868082314e3 |
C:\Users\Admin\AppData\Local\Temp\IXP004.TMP\1sa00VW0.exe
| MD5 | f0831f173733de08511f3a0739f278a6 |
| SHA1 | 06dc809d653c5d2c97386084ae13b50a73eb5b60 |
| SHA256 | 8b00f9dce8ceb2123fba3bc9f88419960d1e661b6287eafeba4f0a2ee4be3d27 |
| SHA512 | 19e3176ce1f154758f685cc4582e93587aa534a251de315473e35758dcd6ff6315880be7602097308dc89c355742be4729bad81de597e8d430a8e868082314e3 |
memory/5084-35-0x0000000000400000-0x0000000000428000-memory.dmp
memory/5084-38-0x0000000000400000-0x0000000000428000-memory.dmp
memory/5084-39-0x0000000000400000-0x0000000000428000-memory.dmp
memory/5084-41-0x0000000000400000-0x0000000000428000-memory.dmp