Analysis Overview
SHA256
ef9526fdf77446da567515da0f606a4874dbdf45a3c44d2844a134cee226981e
Threat Level: Known bad
The file ef9526fdf77446da567515da0f606a4874dbdf45a3c44d2844a134cee226981e was found to be: Known bad.
Malicious Activity Summary
Modifies Windows Defender Real-time Protection settings
Reads user/profile data of web browsers
Windows security modification
Executes dropped EXE
Accesses cryptocurrency files/wallets, possible credential harvesting
Adds Run key to start application
Checks installed software on the system
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
MITRE ATT&CK
Enterprise Matrix V6
Analysis: static1
Detonation Overview
Reported
2023-04-23 20:52
Signatures
Analysis: behavioral1
Detonation Overview
Submitted
2023-04-23 20:52
Reported
2023-04-23 20:55
Platform
win10-20230220-en
Max time kernel
51s
Max time network
73s
Command Line
Signatures
Modifies Windows Defender Real-time Protection settings
| Description | Indicator | Process | Target |
| Set value (int) | \REGISTRY\MACHINE\SOFTWARE\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableBehaviorMonitoring = "1" | C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\pr918855.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\pr918855.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\pr918855.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\pr918855.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\pr918855.exe | N/A |
Executes dropped EXE
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\un656661.exe | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\pr918855.exe | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\qu769959.exe | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\si830909.exe | N/A |
Reads user/profile data of web browsers
Windows security modification
| Description | Indicator | Process | Target |
| Key created | \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows Defender\Features | C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\pr918855.exe | N/A |
| Set value (int) | \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows Defender\Features\TamperProtection = "0" | C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\pr918855.exe | N/A |
Accesses cryptocurrency files/wallets, possible credential harvesting
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\ef9526fdf77446da567515da0f606a4874dbdf45a3c44d2844a134cee226981e.exe | N/A |
| Key created | \REGISTRY\MACHINE\Software\WOW6432Node\Microsoft\Windows\CurrentVersion\RunOnce | C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\un656661.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\un656661.exe | N/A |
| Key created | \REGISTRY\MACHINE\Software\WOW6432Node\Microsoft\Windows\CurrentVersion\RunOnce | C:\Users\Admin\AppData\Local\Temp\ef9526fdf77446da567515da0f606a4874dbdf45a3c44d2844a134cee226981e.exe | N/A |
Checks installed software on the system
Suspicious behavior: EnumeratesProcesses
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\pr918855.exe | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\pr918855.exe | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\qu769959.exe | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\qu769959.exe | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\si830909.exe | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\si830909.exe | N/A |
Suspicious use of AdjustPrivilegeToken
| Description | Indicator | Process | Target |
| Token: SeDebugPrivilege | N/A | C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\pr918855.exe | N/A |
| Token: SeDebugPrivilege | N/A | C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\qu769959.exe | N/A |
| Token: SeDebugPrivilege | N/A | C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\si830909.exe | N/A |
Suspicious use of WriteProcessMemory
Processes
C:\Users\Admin\AppData\Local\Temp\ef9526fdf77446da567515da0f606a4874dbdf45a3c44d2844a134cee226981e.exe
"C:\Users\Admin\AppData\Local\Temp\ef9526fdf77446da567515da0f606a4874dbdf45a3c44d2844a134cee226981e.exe"
C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\un656661.exe
C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\un656661.exe
C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\pr918855.exe
C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\pr918855.exe
C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\qu769959.exe
C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\qu769959.exe
C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\si830909.exe
C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\si830909.exe
Network
| Country | Destination | Domain | Proto |
| N/A | 185.161.248.142:38452 | tcp | |
| US | 8.8.8.8:53 | 142.248.161.185.in-addr.arpa | udp |
| N/A | 185.161.248.142:38452 | tcp | |
| US | 20.189.173.6:443 | tcp | |
| US | 93.184.221.240:80 | tcp | |
| US | 8.8.8.8:53 | 63.13.109.52.in-addr.arpa | udp |
Files
C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\un656661.exe
| MD5 | b3a69bbc223ea62a97e840a0e4078cff |
| SHA1 | e92560830e17033c9f2a3debb34a72a33431db7d |
| SHA256 | d632fa4a986de53a7a012f21954db03124419cd9df7b1a5adfb592d73dc4b3d0 |
| SHA512 | 2bb254a9bdcabb0f441b8f457606599b51a6926b2687f2bfec434bba59d18fe906c2a8e1848ea55d38dd34980ccb37004fce45a32c2dbc72cab2dd9c630037e8 |
C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\un656661.exe
| MD5 | b3a69bbc223ea62a97e840a0e4078cff |
| SHA1 | e92560830e17033c9f2a3debb34a72a33431db7d |
| SHA256 | d632fa4a986de53a7a012f21954db03124419cd9df7b1a5adfb592d73dc4b3d0 |
| SHA512 | 2bb254a9bdcabb0f441b8f457606599b51a6926b2687f2bfec434bba59d18fe906c2a8e1848ea55d38dd34980ccb37004fce45a32c2dbc72cab2dd9c630037e8 |
C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\pr918855.exe
| MD5 | 0cae890b2c7aec28740233403d63d43b |
| SHA1 | 1babab3039016b0ee19585ea1072e0b63bbbd573 |
| SHA256 | 8f5db7b549c26272915c7821619d17f27ad3ad63f8d62c5ba3dede541efdb682 |
| SHA512 | 3fb0b7e72c5cb24d97f3eed4536a5e5d760968bd1b559c536abac20cc1dd7330f2f451ebeb5f0a7639f1a84e1c10ded40c73a4f7b75b2dd4b034f32f3605b2ec |
C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\pr918855.exe
| MD5 | 0cae890b2c7aec28740233403d63d43b |
| SHA1 | 1babab3039016b0ee19585ea1072e0b63bbbd573 |
| SHA256 | 8f5db7b549c26272915c7821619d17f27ad3ad63f8d62c5ba3dede541efdb682 |
| SHA512 | 3fb0b7e72c5cb24d97f3eed4536a5e5d760968bd1b559c536abac20cc1dd7330f2f451ebeb5f0a7639f1a84e1c10ded40c73a4f7b75b2dd4b034f32f3605b2ec |
memory/996-134-0x00000000001D0000-0x00000000001FD000-memory.dmp
memory/996-135-0x00000000048E0000-0x00000000048FA000-memory.dmp
memory/996-136-0x00000000072A0000-0x000000000779E000-memory.dmp
memory/996-137-0x0000000004A90000-0x0000000004AA8000-memory.dmp
memory/996-138-0x0000000007290000-0x00000000072A0000-memory.dmp
memory/996-139-0x0000000007290000-0x00000000072A0000-memory.dmp
memory/996-140-0x0000000007290000-0x00000000072A0000-memory.dmp
memory/996-141-0x0000000004A90000-0x0000000004AA2000-memory.dmp
memory/996-142-0x0000000004A90000-0x0000000004AA2000-memory.dmp
memory/996-144-0x0000000004A90000-0x0000000004AA2000-memory.dmp
memory/996-146-0x0000000004A90000-0x0000000004AA2000-memory.dmp
memory/996-148-0x0000000004A90000-0x0000000004AA2000-memory.dmp
memory/996-150-0x0000000004A90000-0x0000000004AA2000-memory.dmp
memory/996-152-0x0000000004A90000-0x0000000004AA2000-memory.dmp
memory/996-154-0x0000000004A90000-0x0000000004AA2000-memory.dmp
memory/996-156-0x0000000004A90000-0x0000000004AA2000-memory.dmp
memory/996-158-0x0000000004A90000-0x0000000004AA2000-memory.dmp
memory/996-160-0x0000000004A90000-0x0000000004AA2000-memory.dmp
memory/996-162-0x0000000004A90000-0x0000000004AA2000-memory.dmp
memory/996-164-0x0000000004A90000-0x0000000004AA2000-memory.dmp
memory/996-166-0x0000000004A90000-0x0000000004AA2000-memory.dmp
memory/996-168-0x0000000004A90000-0x0000000004AA2000-memory.dmp
memory/996-169-0x0000000000400000-0x0000000002BAE000-memory.dmp
memory/996-170-0x00000000001D0000-0x00000000001FD000-memory.dmp
memory/996-171-0x0000000007290000-0x00000000072A0000-memory.dmp
memory/996-172-0x0000000007290000-0x00000000072A0000-memory.dmp
memory/996-174-0x0000000000400000-0x0000000002BAE000-memory.dmp
C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\qu769959.exe
| MD5 | 7f5c57362666e93d930873339dc8ca70 |
| SHA1 | 707ad482192cd1b0436d808a0588575cc10fd75c |
| SHA256 | 00f6d0f42d700d4f13ab4fdad546e6fce38909bf7660e98b4663d0871ff2486b |
| SHA512 | 50802b3fdb5bd6b949344370817671d52d75205cd693325623ed9d4f60f25bba881c418e7954497da191cf2d2045ae950d66f0e6a3997d23994de4eb81329da6 |
C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\qu769959.exe
| MD5 | 7f5c57362666e93d930873339dc8ca70 |
| SHA1 | 707ad482192cd1b0436d808a0588575cc10fd75c |
| SHA256 | 00f6d0f42d700d4f13ab4fdad546e6fce38909bf7660e98b4663d0871ff2486b |
| SHA512 | 50802b3fdb5bd6b949344370817671d52d75205cd693325623ed9d4f60f25bba881c418e7954497da191cf2d2045ae950d66f0e6a3997d23994de4eb81329da6 |
memory/4316-179-0x00000000048C0000-0x00000000048FC000-memory.dmp
memory/4316-180-0x0000000004570000-0x00000000045B6000-memory.dmp
memory/4316-182-0x0000000004A60000-0x0000000004A9A000-memory.dmp
memory/4316-181-0x0000000007280000-0x0000000007290000-memory.dmp
memory/4316-183-0x0000000004A60000-0x0000000004A95000-memory.dmp
memory/4316-184-0x0000000004A60000-0x0000000004A95000-memory.dmp
memory/4316-186-0x0000000004A60000-0x0000000004A95000-memory.dmp
memory/4316-188-0x0000000004A60000-0x0000000004A95000-memory.dmp
memory/4316-190-0x0000000004A60000-0x0000000004A95000-memory.dmp
memory/4316-192-0x0000000004A60000-0x0000000004A95000-memory.dmp
memory/4316-194-0x0000000004A60000-0x0000000004A95000-memory.dmp
memory/4316-196-0x0000000004A60000-0x0000000004A95000-memory.dmp
memory/4316-198-0x0000000004A60000-0x0000000004A95000-memory.dmp
memory/4316-200-0x0000000004A60000-0x0000000004A95000-memory.dmp
memory/4316-202-0x0000000004A60000-0x0000000004A95000-memory.dmp
memory/4316-204-0x0000000004A60000-0x0000000004A95000-memory.dmp
memory/4316-206-0x0000000004A60000-0x0000000004A95000-memory.dmp
memory/4316-208-0x0000000004A60000-0x0000000004A95000-memory.dmp
memory/4316-210-0x0000000004A60000-0x0000000004A95000-memory.dmp
memory/4316-212-0x0000000004A60000-0x0000000004A95000-memory.dmp
memory/4316-214-0x0000000004A60000-0x0000000004A95000-memory.dmp
memory/4316-216-0x0000000004A60000-0x0000000004A95000-memory.dmp
memory/4316-452-0x0000000007280000-0x0000000007290000-memory.dmp
memory/4316-976-0x000000000A220000-0x000000000A826000-memory.dmp
memory/4316-977-0x0000000009C10000-0x0000000009C22000-memory.dmp
memory/4316-978-0x0000000009C30000-0x0000000009D3A000-memory.dmp
memory/4316-979-0x0000000007280000-0x0000000007290000-memory.dmp
memory/4316-980-0x0000000009D50000-0x0000000009D8E000-memory.dmp
memory/4316-981-0x0000000009DD0000-0x0000000009E1B000-memory.dmp
memory/4316-982-0x000000000A060000-0x000000000A0C6000-memory.dmp
memory/4316-983-0x000000000AD30000-0x000000000ADC2000-memory.dmp
memory/4316-984-0x000000000ADD0000-0x000000000AE46000-memory.dmp
memory/4316-985-0x000000000AEA0000-0x000000000AEBE000-memory.dmp
memory/4316-987-0x000000000B180000-0x000000000B1D0000-memory.dmp
memory/4316-988-0x000000000B1F0000-0x000000000B3B2000-memory.dmp
memory/4316-989-0x000000000B3C0000-0x000000000B8EC000-memory.dmp
C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\si830909.exe
| MD5 | 8c80b06d843bd6a7599a5be2075d9a55 |
| SHA1 | caf86cf2f908f6ac64b8d4788bc61aaaf672f9f2 |
| SHA256 | e794f573618cef6be742a0f574f179aa1087b51c4ec23bcf7faa16415028850e |
| SHA512 | cd902bd2607ee797a60f615c550304e45ff59f2313cbb596b50fae913eae481987a8bde0a83587b153192eeb97514f281864c5fb3db4dc128453d507c5aeeded |
C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\si830909.exe
| MD5 | 8c80b06d843bd6a7599a5be2075d9a55 |
| SHA1 | caf86cf2f908f6ac64b8d4788bc61aaaf672f9f2 |
| SHA256 | e794f573618cef6be742a0f574f179aa1087b51c4ec23bcf7faa16415028850e |
| SHA512 | cd902bd2607ee797a60f615c550304e45ff59f2313cbb596b50fae913eae481987a8bde0a83587b153192eeb97514f281864c5fb3db4dc128453d507c5aeeded |
memory/4268-995-0x00000000005E0000-0x0000000000608000-memory.dmp
memory/4268-996-0x0000000007360000-0x00000000073AB000-memory.dmp
memory/4268-997-0x00000000076E0000-0x00000000076F0000-memory.dmp