Analysis Overview
SHA256
ba1a9e5ae3d0ce791e8e47d17c7598c822966e8322ab259b1b39cc66c7e3ac30
Threat Level: Known bad
The file ba1a9e5ae3d0ce791e8e47d17c7598c822966e8322ab259b1b39cc66c7e3ac30 was found to be: Known bad.
Malicious Activity Summary
Stealc
SectopRAT payload
SectopRAT
Downloads MZ/PE file
Loads dropped DLL
Executes dropped EXE
Checks computer location settings
Reads data files stored by FTP clients
Reads user/profile data of web browsers
Checks installed software on the system
Accesses cryptocurrency files/wallets, possible credential harvesting
Suspicious use of SetThreadContext
Unsigned PE
Enumerates physical storage devices
Program crash
Suspicious use of SetWindowsHookEx
Suspicious use of AdjustPrivilegeToken
Checks processor information in registry
Suspicious use of WriteProcessMemory
Suspicious behavior: MapViewOfSection
Suspicious behavior: EnumeratesProcesses
MITRE ATT&CK
Enterprise Matrix V15
Analysis: static1
Detonation Overview
Reported
2024-04-29 09:34
Signatures
Unsigned PE
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | N/A |
Analysis: behavioral1
Detonation Overview
Submitted
2024-04-29 09:34
Reported
2024-04-29 09:36
Platform
win10v2004-20240426-en
Max time kernel
147s
Max time network
149s
Command Line
Signatures
SectopRAT
SectopRAT payload
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | N/A |
Stealc
Downloads MZ/PE file
Checks computer location settings
| Description | Indicator | Process | Target |
| Key value queried | \REGISTRY\USER\S-1-5-21-540404634-651139247-2967210625-1000\Control Panel\International\Geo\Nation | C:\Users\Admin\AppData\Local\Temp\ba1a9e5ae3d0ce791e8e47d17c7598c822966e8322ab259b1b39cc66c7e3ac30.exe | N/A |
Executes dropped EXE
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\u3ek.0.exe | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\u3ek.2\run.exe | N/A |
Loads dropped DLL
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\u3ek.2\run.exe | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\u3ek.0.exe | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\u3ek.0.exe | N/A |
Reads data files stored by FTP clients
Reads user/profile data of web browsers
Accesses cryptocurrency files/wallets, possible credential harvesting
Checks installed software on the system
Suspicious use of SetThreadContext
| Description | Indicator | Process | Target |
| PID 4008 set thread context of 2288 | N/A | C:\Users\Admin\AppData\Local\Temp\u3ek.2\run.exe | C:\Windows\SysWOW64\cmd.exe |
| PID 2288 set thread context of 3688 | N/A | C:\Windows\SysWOW64\cmd.exe | C:\Windows\Microsoft.NET\Framework\v4.0.30319\MSBuild.exe |
Enumerates physical storage devices
Program crash
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Windows\SysWOW64\WerFault.exe | C:\Users\Admin\AppData\Local\Temp\ba1a9e5ae3d0ce791e8e47d17c7598c822966e8322ab259b1b39cc66c7e3ac30.exe |
| N/A | N/A | C:\Windows\SysWOW64\WerFault.exe | C:\Users\Admin\AppData\Local\Temp\u3ek.0.exe |
Checks processor information in registry
| Description | Indicator | Process | Target |
| Key opened | \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0 | C:\Users\Admin\AppData\Local\Temp\u3ek.0.exe | N/A |
| Key value queried | \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString | C:\Users\Admin\AppData\Local\Temp\u3ek.0.exe | N/A |
Suspicious behavior: EnumeratesProcesses
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\u3ek.2\run.exe | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\u3ek.2\run.exe | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\u3ek.0.exe | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\u3ek.0.exe | N/A |
| N/A | N/A | C:\Windows\SysWOW64\cmd.exe | N/A |
| N/A | N/A | C:\Windows\SysWOW64\cmd.exe | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\u3ek.0.exe | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\u3ek.0.exe | N/A |
| N/A | N/A | C:\Windows\Microsoft.NET\Framework\v4.0.30319\MSBuild.exe | N/A |
Suspicious behavior: MapViewOfSection
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\u3ek.2\run.exe | N/A |
| N/A | N/A | C:\Windows\SysWOW64\cmd.exe | N/A |
| N/A | N/A | C:\Windows\SysWOW64\cmd.exe | N/A |
Suspicious use of AdjustPrivilegeToken
| Description | Indicator | Process | Target |
| Token: SeDebugPrivilege | N/A | C:\Windows\Microsoft.NET\Framework\v4.0.30319\MSBuild.exe | N/A |
Suspicious use of SetWindowsHookEx
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\u3ek.2\run.exe | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\u3ek.2\run.exe | N/A |
| N/A | N/A | C:\Windows\Microsoft.NET\Framework\v4.0.30319\MSBuild.exe | N/A |
Suspicious use of WriteProcessMemory
Processes
C:\Users\Admin\AppData\Local\Temp\ba1a9e5ae3d0ce791e8e47d17c7598c822966e8322ab259b1b39cc66c7e3ac30.exe
"C:\Users\Admin\AppData\Local\Temp\ba1a9e5ae3d0ce791e8e47d17c7598c822966e8322ab259b1b39cc66c7e3ac30.exe"
C:\Users\Admin\AppData\Local\Temp\u3ek.0.exe
"C:\Users\Admin\AppData\Local\Temp\u3ek.0.exe"
C:\Users\Admin\AppData\Local\Temp\u3ek.2\run.exe
"C:\Users\Admin\AppData\Local\Temp\u3ek.2\run.exe"
C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 436 -p 4412 -ip 4412
C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 4412 -s 1148
C:\Windows\SysWOW64\cmd.exe
C:\Windows\SysWOW64\cmd.exe
C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 420 -p 4928 -ip 4928
C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 4928 -s 2332
C:\Windows\Microsoft.NET\Framework\v4.0.30319\MSBuild.exe
C:\Windows\Microsoft.NET\Framework\v4.0.30319\MSBuild.exe
Network
| Country | Destination | Domain | Proto |
| US | 8.8.8.8:53 | g.bing.com | udp |
| US | 204.79.197.237:443 | g.bing.com | tcp |
| NL | 23.62.61.160:443 | www.bing.com | tcp |
| US | 8.8.8.8:53 | 237.197.79.204.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 0.159.190.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 55.36.223.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 160.61.62.23.in-addr.arpa | udp |
| DE | 185.172.128.228:80 | 185.172.128.228 | tcp |
| DE | 185.172.128.203:80 | 185.172.128.203 | tcp |
| US | 8.8.8.8:53 | note.padd.cn.com | udp |
| US | 8.8.8.8:53 | 228.128.172.185.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 203.128.172.185.in-addr.arpa | udp |
| RO | 176.97.76.106:80 | note.padd.cn.com | tcp |
| US | 8.8.8.8:53 | 106.76.97.176.in-addr.arpa | udp |
| DE | 185.172.128.151:80 | 185.172.128.151 | tcp |
| US | 8.8.8.8:53 | 151.128.172.185.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 86.23.85.13.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 240.221.184.93.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 56.126.166.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 0.204.248.87.in-addr.arpa | udp |
| RU | 91.215.85.66:15647 | tcp | |
| US | 8.8.8.8:53 | 66.85.215.91.in-addr.arpa | udp |
| RU | 91.215.85.66:9000 | 91.215.85.66 | tcp |
| US | 8.8.8.8:53 | 172.210.232.199.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 43.229.111.52.in-addr.arpa | udp |
Files
memory/4412-1-0x0000000002BE0000-0x0000000002CE0000-memory.dmp
memory/4412-2-0x0000000004750000-0x00000000047BD000-memory.dmp
memory/4412-3-0x0000000000400000-0x0000000002B15000-memory.dmp
C:\Users\Admin\AppData\Local\Temp\u3ek.0.exe
| MD5 | b8d993ad18cbcab880d1f1e21cc81691 |
| SHA1 | 1776887a29856059220ce8e8c7492e883e08dc59 |
| SHA256 | 6d3b790f7d9af95beedb185b61c2221d384cc415b761b187df503f3b141547c6 |
| SHA512 | b13a668f1044bbe53513da8d304231ae40d78a237fdbe8548f70f201512a5024867eb492524d91f55870fc2e9555b68f7ecce3a7a80786164848d5982f80ebdf |
C:\Users\Admin\AppData\Local\Temp\u3ek.1.zip
| MD5 | 78d3ca6355c93c72b494bb6a498bf639 |
| SHA1 | 2fa4e5df74bfe75c207c881a1b0d3bc1c62c8b0e |
| SHA256 | a1dd547a63b256aa6a16871ed03f8b025226f7617e67b8817a08444df077b001 |
| SHA512 | 1b2df7bee2514aee7efd3579f5dd33c76b40606d07dba69a34c45747662fad61174db4931bca02b058830107959205e889fee74f8ccc9f6e03f9fd111761f4ea |
C:\Users\Admin\AppData\Local\Temp\u3ek.2\run.exe
| MD5 | 9fb4770ced09aae3b437c1c6eb6d7334 |
| SHA1 | fe54b31b0db8665aa5b22bed147e8295afc88a03 |
| SHA256 | a05b592a971fe5011554013bcfe9a4aaf9cfc633bdd1fe3a8197f213d557b8d3 |
| SHA512 | 140fee6daf23fe8b7e441b3b4de83554af804f00ecedc421907a385ac79a63164bd9f28b4be061c2ea2262755d85e14d3a8e7dc910547837b664d78d93667256 |
C:\Users\Admin\AppData\Local\Temp\u3ek.2\relay.dll
| MD5 | 10d51becd0bbce0fab147ff9658c565e |
| SHA1 | 4689a18112ff876d3c066bc8c14a08fd6b7b7a4a |
| SHA256 | 7b2db9c88f60ed6dd24b1dec321a304564780fdb191a96ec35c051856128f1ed |
| SHA512 | 29faf493bb28f7842c905adc5312f31741effb09f841059b53d73b22aea2c4d41d73db10bbf37703d6aeb936ffacbc756a3cc85ba3c0b6a6863ef4d27fefcd29 |
C:\Users\Admin\AppData\Local\Temp\u3ek.2\whale.dbf
| MD5 | a723bf46048e0bfb15b8d77d7a648c3e |
| SHA1 | 8952d3c34e9341e4425571e10f22b782695bb915 |
| SHA256 | b440170853bdb43b66497f701aee2901080326975140b095a1669cb9dee13422 |
| SHA512 | ca8ea2f7f3c7af21b5673a0a3f2611b6580a7ed02efa2cfd8b343eb644ff09682bde43b25ef7aab68530d5ce31dcbd252c382dd336ecb610d4c4ebde78347273 |
C:\Users\Admin\AppData\Local\Temp\u3ek.2\bunch.dat
| MD5 | 1e8237d3028ab52821d69099e0954f97 |
| SHA1 | 30a6ae353adda0c471c6ed5b7a2458b07185abf2 |
| SHA256 | 9387488f9d338e211be2cb45109bf590a5070180bc0d4a703f70d3cb3c4e1742 |
| SHA512 | a6406d7c18694ee014d59df581f1f76e980b68e3361ae680dc979606a423eba48d35e37f143154dd97fe5f066baf0ea51a2e9f8bc822d593e1cba70ead6559f3 |
memory/4008-98-0x0000000072FB0000-0x000000007312B000-memory.dmp
memory/4008-99-0x00007FF85C470000-0x00007FF85C665000-memory.dmp
C:\Users\Admin\AppData\Local\Temp\u3ek.2\UIxMarketPlugin.dll
| MD5 | d1ba9412e78bfc98074c5d724a1a87d6 |
| SHA1 | 0572f98d78fb0b366b5a086c2a74cc68b771d368 |
| SHA256 | cbcea8f28d8916219d1e8b0a8ca2db17e338eb812431bc4ad0cb36c06fd67f15 |
| SHA512 | 8765de36d3824b12c0a4478c31b985878d4811bd0e5b6fba4ea07f8c76340bd66a2da3490d4871b95d9a12f96efc25507dfd87f431de211664dbe9a9c914af6f |
memory/4412-106-0x0000000004750000-0x00000000047BD000-memory.dmp
memory/4412-105-0x0000000000400000-0x0000000002B15000-memory.dmp
memory/4928-107-0x0000000002D00000-0x0000000002E00000-memory.dmp
memory/4928-108-0x0000000061E00000-0x0000000061EF3000-memory.dmp
memory/4008-144-0x0000000072FB0000-0x000000007312B000-memory.dmp
C:\Users\Admin\AppData\Local\Temp\b120731c
| MD5 | 1639b712ace4e6ff1e88b2c78c26c1e7 |
| SHA1 | 88dc7ec2828690e4a5fce524115266731f75eefd |
| SHA256 | ba2b3477433112037eb07781de0b35e4afb75a9b5cf4be40301a49bba2180654 |
| SHA512 | 012395fe9843d890305187c683e19e67e6edcb39b01fe397e2185ec316c9d47c8b458be8879ff270c5eb49710a75cecfd7e1166dddd0bde8cd38b809484de4ce |
C:\ProgramData\nss3.dll
| MD5 | 1cc453cdf74f31e4d913ff9c10acdde2 |
| SHA1 | 6e85eae544d6e965f15fa5c39700fa7202f3aafe |
| SHA256 | ac5c92fe6c51cfa742e475215b83b3e11a4379820043263bf50d4068686c6fa5 |
| SHA512 | dd9ff4e06b00dc831439bab11c10e9b2ae864ea6e780d3835ea7468818f35439f352ef137da111efcdf2bb6465f6ca486719451bf6cf32c6a4420a56b1d64571 |
C:\ProgramData\mozglue.dll
| MD5 | c8fd9be83bc728cc04beffafc2907fe9 |
| SHA1 | 95ab9f701e0024cedfbd312bcfe4e726744c4f2e |
| SHA256 | ba06a6ee0b15f5be5c4e67782eec8b521e36c107a329093ec400fe0404eb196a |
| SHA512 | fbb446f4a27ef510e616caad52945d6c9cc1fd063812c41947e579ec2b54df57c6dc46237ded80fca5847f38cbe1747a6c66a13e2c8c19c664a72be35eb8b040 |
memory/4928-173-0x0000000000400000-0x0000000002AF0000-memory.dmp
memory/2288-177-0x00007FF85C470000-0x00007FF85C665000-memory.dmp
C:\ProgramData\Are.docx
| MD5 | a33e5b189842c5867f46566bdbf7a095 |
| SHA1 | e1c06359f6a76da90d19e8fd95e79c832edb3196 |
| SHA256 | 5abf8e3d1f78de7b09d7f6fb87f9e80e60caacf13ef3c1289665653dacd7c454 |
| SHA512 | f2ad3812ec9b915e9618539b0f103f2e9acaad25fbbacd84941c954ce070af231324e83a4621e951c1dbae8d40d50410954e40dd52bbd46e34c54b0d1957407b |
memory/4928-188-0x0000000000400000-0x0000000002AF0000-memory.dmp
memory/2288-189-0x0000000072FB0000-0x000000007312B000-memory.dmp
memory/3688-191-0x0000000073350000-0x00000000745A4000-memory.dmp
memory/3688-194-0x0000000000720000-0x00000000007E6000-memory.dmp
memory/3688-195-0x0000000004DB0000-0x0000000004E42000-memory.dmp
memory/3688-196-0x0000000005450000-0x00000000059F4000-memory.dmp
memory/3688-199-0x0000000004FF0000-0x0000000005040000-memory.dmp
memory/3688-198-0x0000000004F20000-0x0000000004F96000-memory.dmp
memory/3688-197-0x0000000005090000-0x0000000005252000-memory.dmp
memory/3688-200-0x0000000004E80000-0x0000000004E8A000-memory.dmp
memory/3688-201-0x0000000006030000-0x000000000655C000-memory.dmp
memory/3688-202-0x0000000005B80000-0x0000000005B9E000-memory.dmp
memory/3688-203-0x0000000005C70000-0x0000000005CD6000-memory.dmp
C:\Users\Admin\AppData\Local\Temp\tmpD94A.tmp
| MD5 | 42c395b8db48b6ce3d34c301d1eba9d5 |
| SHA1 | b7cfa3de344814bec105391663c0df4a74310996 |
| SHA256 | 5644546ecefc6786c7be5b1a89e935e640963ccd34b130f21baab9370cb9055d |
| SHA512 | 7b9214db96e9bec8745b4161a41c4c0520cdda9950f0cd3f12c7744227a25d639d07c0dd68b552cf1e032181c2e4f8297747f27bad6c7447b0f415a86bd82845 |
C:\Users\Admin\AppData\Local\Temp\tmpD96C.tmp
| MD5 | 49693267e0adbcd119f9f5e02adf3a80 |
| SHA1 | 3ba3d7f89b8ad195ca82c92737e960e1f2b349df |
| SHA256 | d76e7512e496b7c8d9fcd3010a55e2e566881dc6dacaf0343652a4915d47829f |
| SHA512 | b4b9fcecf8d277bb0ccbb25e08f3559e3fc519d85d8761d8ad5bca983d04eb55a20d3b742b15b9b31a7c9187da40ad5c48baa7a54664cae4c40aa253165cbaa2 |
memory/3688-222-0x0000000007600000-0x000000000760A000-memory.dmp
Analysis: behavioral2
Detonation Overview
Submitted
2024-04-29 09:34
Reported
2024-04-29 09:36
Platform
win11-20240419-en
Max time kernel
146s
Max time network
151s
Command Line
Signatures
Program crash
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Windows\SysWOW64\WerFault.exe | C:\Users\Admin\AppData\Local\Temp\ba1a9e5ae3d0ce791e8e47d17c7598c822966e8322ab259b1b39cc66c7e3ac30.exe |
Processes
C:\Users\Admin\AppData\Local\Temp\ba1a9e5ae3d0ce791e8e47d17c7598c822966e8322ab259b1b39cc66c7e3ac30.exe
"C:\Users\Admin\AppData\Local\Temp\ba1a9e5ae3d0ce791e8e47d17c7598c822966e8322ab259b1b39cc66c7e3ac30.exe"
C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 416 -p 3452 -ip 3452
C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 3452 -s 720
Network
| Country | Destination | Domain | Proto |
| DE | 185.172.128.228:80 | tcp | |
| DE | 185.172.128.203:80 | tcp | |
| US | 8.8.8.8:53 | 8.8.8.8.in-addr.arpa | udp |
Files
memory/3452-2-0x0000000004860000-0x00000000048CD000-memory.dmp
memory/3452-1-0x0000000002C70000-0x0000000002D70000-memory.dmp
memory/3452-3-0x0000000000400000-0x0000000002B15000-memory.dmp
memory/3452-7-0x0000000002C70000-0x0000000002D70000-memory.dmp
memory/3452-6-0x0000000000400000-0x0000000002B15000-memory.dmp
memory/3452-9-0x0000000000400000-0x0000000002B15000-memory.dmp
memory/3452-30-0x00000000763A0000-0x00000000763C5000-memory.dmp
memory/3452-29-0x0000000076590000-0x000000007664B000-memory.dmp
memory/3452-10-0x0000000000400000-0x0000000002B15000-memory.dmp
memory/3452-28-0x00000000761C0000-0x000000007623A000-memory.dmp
memory/3452-27-0x0000000075320000-0x00000000753E2000-memory.dmp
memory/3452-26-0x0000000076240000-0x00000000762BC000-memory.dmp
memory/3452-25-0x00000000766C0000-0x00000000767D2000-memory.dmp
memory/3452-24-0x0000000076510000-0x000000007658B000-memory.dmp
memory/3452-23-0x0000000075A90000-0x0000000075B6F000-memory.dmp
memory/3452-22-0x00000000763E0000-0x0000000076402000-memory.dmp
memory/3452-21-0x0000000076C20000-0x0000000076C3A000-memory.dmp
memory/3452-20-0x0000000075050000-0x00000000751FC000-memory.dmp
memory/3452-19-0x0000000074F50000-0x0000000074FF0000-memory.dmp
memory/3452-18-0x0000000075F60000-0x00000000761B2000-memory.dmp
memory/3452-17-0x0000000076B30000-0x0000000076C20000-memory.dmp
memory/3452-16-0x0000000077250000-0x0000000077259000-memory.dmp
memory/3452-15-0x00007FFCC6F80000-0x00007FFCC6F96000-memory.dmp
memory/3452-14-0x00007FFCC5790000-0x00007FFCC581A000-memory.dmp
memory/3452-13-0x00007FFCC56B0000-0x00007FFCC56B8000-memory.dmp
memory/3452-12-0x00007FFCC55A0000-0x00007FFCC55F7000-memory.dmp
memory/3452-11-0x00007FFCC7220000-0x00007FFCC7429000-memory.dmp