Analysis Overview
SHA256
3e86bd1463b0fbcb4c39762cee11a8e301816821af2c3708110a65fbe3f16916
Threat Level: Known bad
The file NEAS.6f532b047ef3133943ba7d1c9e979710.exe was found to be: Known bad.
Malicious Activity Summary
RedLine
Modifies Windows Defender Real-time Protection settings
RedLine payload
Detect Mystic stealer payload
Mystic
Healer
Detects Healer an antivirus disabler dropper
Windows security modification
Executes dropped EXE
Adds Run key to start application
Suspicious use of SetThreadContext
Program crash
Unsigned PE
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Suspicious behavior: EnumeratesProcesses
MITRE ATT&CK
Enterprise Matrix V15
Analysis: static1
Detonation Overview
Reported
2023-11-01 14:11
Signatures
Unsigned PE
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | N/A |
Analysis: behavioral1
Detonation Overview
Submitted
2023-11-01 14:11
Reported
2023-11-01 18:23
Platform
win10v2004-20231023-en
Max time kernel
150s
Max time network
157s
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 |
Detects Healer an antivirus disabler dropper
| 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 |
Healer
Modifies Windows Defender Real-time Protection settings
| Description | Indicator | Process | Target |
| Key created | \REGISTRY\MACHINE\SOFTWARE\Policies\Microsoft\Windows Defender\Real-Time Protection | C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\q4687438.exe | N/A |
| Set value (int) | \REGISTRY\MACHINE\SOFTWARE\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableBehaviorMonitoring = "1" | C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\q4687438.exe | N/A |
| Set value (int) | \REGISTRY\MACHINE\SOFTWARE\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableIOAVProtection = "1" | C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\q4687438.exe | N/A |
| Set value (int) | \REGISTRY\MACHINE\SOFTWARE\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableOnAccessProtection = "1" | C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\q4687438.exe | N/A |
| Set value (int) | \REGISTRY\MACHINE\SOFTWARE\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableRealtimeMonitoring = "1" | C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\q4687438.exe | N/A |
| Set value (int) | \REGISTRY\MACHINE\SOFTWARE\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableScanOnRealtimeEnable = "1" | C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\q4687438.exe | N/A |
Mystic
RedLine
RedLine payload
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | N/A |
Executes dropped EXE
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\z9474111.exe | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\q4687438.exe | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\r9927096.exe | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\s0008370.exe | N/A |
Windows security modification
| Description | Indicator | Process | Target |
| Set value (int) | \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows Defender\Features\TamperProtection = "0" | C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\q4687438.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\NEAS.6f532b047ef3133943ba7d1c9e979710.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\z9474111.exe | N/A |
Suspicious use of SetThreadContext
| Description | Indicator | Process | Target |
| PID 1700 set thread context of 3252 | N/A | C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\r9927096.exe | C:\Windows\Microsoft.NET\Framework\v4.0.30319\AppLaunch.exe |
| PID 2136 set thread context of 5060 | N/A | C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\s0008370.exe | C:\Windows\Microsoft.NET\Framework\v4.0.30319\AppLaunch.exe |
Program crash
Suspicious behavior: EnumeratesProcesses
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\q4687438.exe | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\q4687438.exe | N/A |
Suspicious use of AdjustPrivilegeToken
| Description | Indicator | Process | Target |
| Token: SeDebugPrivilege | N/A | C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\q4687438.exe | N/A |
Suspicious use of WriteProcessMemory
Processes
C:\Users\Admin\AppData\Local\Temp\NEAS.6f532b047ef3133943ba7d1c9e979710.exe
"C:\Users\Admin\AppData\Local\Temp\NEAS.6f532b047ef3133943ba7d1c9e979710.exe"
C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\z9474111.exe
C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\z9474111.exe
C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\q4687438.exe
C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\q4687438.exe
C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\r9927096.exe
C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\r9927096.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 -pss -s 404 -p 1700 -ip 1700
C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 412 -p 3252 -ip 3252
C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 3252 -s 540
C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 1700 -s 612
C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\s0008370.exe
C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\s0008370.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 -pss -s 560 -p 2136 -ip 2136
C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 2136 -s 152
Network
| Country | Destination | Domain | Proto |
| US | 8.8.8.8:53 | 2.136.104.51.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 254.22.238.8.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 0.159.190.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 95.221.229.192.in-addr.arpa | udp |
| FI | 77.91.124.55:19071 | tcp | |
| US | 8.8.8.8:53 | 88.156.103.20.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 | 8.8.8.8:53 | 208.194.73.20.in-addr.arpa | udp |
| FI | 77.91.124.55:19071 | tcp | |
| FI | 77.91.124.55:19071 | tcp | |
| FI | 77.91.124.55:19071 | tcp | |
| FI | 77.91.124.55:19071 | tcp | |
| US | 8.8.8.8:53 | 24.73.42.20.in-addr.arpa | udp |
| FI | 77.91.124.55:19071 | tcp |
Files
C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\z9474111.exe
| MD5 | 03a9b443229985b8430fa84688f9ad88 |
| SHA1 | 28f9d326f75917d2063877a05aa405de177f61a4 |
| SHA256 | 30bf5e268df608594f94fecebc946d2f9166bd5a7324f5b23106bd2649a7f3a6 |
| SHA512 | 2e06d823ccfc076447a3ec810a6e3276722d9f782d651838f895e3b99585d45baf809b0a54028f6fbee4fc873784d5a3f509e4869a313c45cbdd8acb7a4cd5b8 |
C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\z9474111.exe
| MD5 | 03a9b443229985b8430fa84688f9ad88 |
| SHA1 | 28f9d326f75917d2063877a05aa405de177f61a4 |
| SHA256 | 30bf5e268df608594f94fecebc946d2f9166bd5a7324f5b23106bd2649a7f3a6 |
| SHA512 | 2e06d823ccfc076447a3ec810a6e3276722d9f782d651838f895e3b99585d45baf809b0a54028f6fbee4fc873784d5a3f509e4869a313c45cbdd8acb7a4cd5b8 |
C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\q4687438.exe
| MD5 | f73b3357e1e682c0692201aef4e79da5 |
| SHA1 | d3bd0583e13d747c16020f8f3f3f254e7cd39a2c |
| SHA256 | 7f75e4f610b51a8320a0e1942155bed7888482eea9d5967232805e46b9561721 |
| SHA512 | fed3107670528ffb1dbc5267dbea54a3c74bddad6142753c50937007d7ef383f01d9670f037b25328bc40e113c8a2d7d05bab3588b89414147a777431b6afb96 |
C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\q4687438.exe
| MD5 | f73b3357e1e682c0692201aef4e79da5 |
| SHA1 | d3bd0583e13d747c16020f8f3f3f254e7cd39a2c |
| SHA256 | 7f75e4f610b51a8320a0e1942155bed7888482eea9d5967232805e46b9561721 |
| SHA512 | fed3107670528ffb1dbc5267dbea54a3c74bddad6142753c50937007d7ef383f01d9670f037b25328bc40e113c8a2d7d05bab3588b89414147a777431b6afb96 |
memory/116-14-0x0000000000320000-0x000000000032A000-memory.dmp
memory/116-15-0x00007FFD66940000-0x00007FFD67401000-memory.dmp
memory/116-17-0x00007FFD66940000-0x00007FFD67401000-memory.dmp
C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\r9927096.exe
| MD5 | 27fe097082f52b3ec7b759044ad4e17b |
| SHA1 | 71e005dabf4370ab68266196682caa7915f326c0 |
| SHA256 | ae0b1d7daae5df1adab405bd037e41aa58107261efc536d6f1c15236fc0b759f |
| SHA512 | 99aabd17bb7c63c29d021489be8be09dac082ce584a346403cd472e93111c8c1931a11827b5e7bb3b0ea5566f5504c4df42619418a06152df9c2d7a5629e6f02 |
C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\r9927096.exe
| MD5 | 27fe097082f52b3ec7b759044ad4e17b |
| SHA1 | 71e005dabf4370ab68266196682caa7915f326c0 |
| SHA256 | ae0b1d7daae5df1adab405bd037e41aa58107261efc536d6f1c15236fc0b759f |
| SHA512 | 99aabd17bb7c63c29d021489be8be09dac082ce584a346403cd472e93111c8c1931a11827b5e7bb3b0ea5566f5504c4df42619418a06152df9c2d7a5629e6f02 |
memory/3252-21-0x0000000000400000-0x0000000000428000-memory.dmp
memory/3252-22-0x0000000000400000-0x0000000000428000-memory.dmp
memory/3252-23-0x0000000000400000-0x0000000000428000-memory.dmp
memory/3252-25-0x0000000000400000-0x0000000000428000-memory.dmp
C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\s0008370.exe
| MD5 | ad16c57165109d65188d097b45db4d63 |
| SHA1 | 02569eafdc59bebafa84f117d5c6626f1d3f01d9 |
| SHA256 | 524dc40a05ee0256996f5626923d69b7b610798f8480220695b3277db71b9ec7 |
| SHA512 | 5e6eafd8ac5376db95b84964c07930fc899ed3e78d2e0cda2d3441cc9eba738c59ad61d3d2993b48bd71e47d4f3de1c055ec4a07ecdc23091f2b32023f6cdd88 |
C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\s0008370.exe
| MD5 | ad16c57165109d65188d097b45db4d63 |
| SHA1 | 02569eafdc59bebafa84f117d5c6626f1d3f01d9 |
| SHA256 | 524dc40a05ee0256996f5626923d69b7b610798f8480220695b3277db71b9ec7 |
| SHA512 | 5e6eafd8ac5376db95b84964c07930fc899ed3e78d2e0cda2d3441cc9eba738c59ad61d3d2993b48bd71e47d4f3de1c055ec4a07ecdc23091f2b32023f6cdd88 |
memory/5060-29-0x0000000000400000-0x000000000043E000-memory.dmp
memory/5060-30-0x0000000073A90000-0x0000000074240000-memory.dmp
memory/5060-31-0x0000000007B80000-0x0000000008124000-memory.dmp
memory/5060-32-0x0000000007670000-0x0000000007702000-memory.dmp
memory/5060-33-0x0000000007900000-0x0000000007910000-memory.dmp
memory/5060-34-0x0000000007860000-0x000000000786A000-memory.dmp
memory/5060-35-0x0000000008750000-0x0000000008D68000-memory.dmp
memory/5060-36-0x0000000007A20000-0x0000000007B2A000-memory.dmp
memory/5060-37-0x0000000007940000-0x0000000007952000-memory.dmp
memory/5060-38-0x00000000079A0000-0x00000000079DC000-memory.dmp
memory/5060-39-0x0000000007B30000-0x0000000007B7C000-memory.dmp
memory/5060-40-0x0000000073A90000-0x0000000074240000-memory.dmp
memory/5060-41-0x0000000007900000-0x0000000007910000-memory.dmp