Analysis Overview
SHA256
311718335437b77a728b4b4bb7b1c46129fdbcb78012a4a6698b59b2d23d9713
Threat Level: Known bad
The file 311718335437b77a728b4b4bb7b1c46129fdbcb78012a4a6698b59b2d23d9713 was found to be: Known bad.
Malicious Activity Summary
SectopRAT
SectopRAT payload
Stealc
Downloads MZ/PE file
Executes dropped EXE
Loads dropped DLL
Checks installed software on the system
Suspicious use of SetThreadContext
Unsigned PE
Program crash
Enumerates physical storage devices
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: MapViewOfSection
Suspicious use of AdjustPrivilegeToken
Checks processor information in registry
Suspicious use of SetWindowsHookEx
Suspicious use of WriteProcessMemory
MITRE ATT&CK
Enterprise Matrix V15
Analysis: static1
Detonation Overview
Reported
2024-04-27 05:16
Signatures
Unsigned PE
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | N/A |
Analysis: behavioral1
Detonation Overview
Submitted
2024-04-27 05:16
Reported
2024-04-27 05:19
Platform
win10v2004-20240419-en
Max time kernel
66s
Max time network
50s
Command Line
Signatures
Program crash
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Windows\SysWOW64\WerFault.exe | C:\Users\Admin\AppData\Local\Temp\311718335437b77a728b4b4bb7b1c46129fdbcb78012a4a6698b59b2d23d9713.exe |
Processes
C:\Users\Admin\AppData\Local\Temp\311718335437b77a728b4b4bb7b1c46129fdbcb78012a4a6698b59b2d23d9713.exe
"C:\Users\Admin\AppData\Local\Temp\311718335437b77a728b4b4bb7b1c46129fdbcb78012a4a6698b59b2d23d9713.exe"
C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 440 -p 2580 -ip 2580
C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 2580 -s 456
Network
| Country | Destination | Domain | Proto |
| US | 8.8.8.8:53 | g.bing.com | udp |
| DE | 185.172.128.228:80 | tcp | |
| DE | 185.172.128.203:80 | tcp | |
| US | 8.8.8.8:53 | g.bing.com | udp |
Files
memory/2580-1-0x0000000002D30000-0x0000000002E30000-memory.dmp
memory/2580-2-0x0000000002CA0000-0x0000000002D0D000-memory.dmp
memory/2580-3-0x0000000000400000-0x0000000002B21000-memory.dmp
memory/2580-6-0x0000000002D30000-0x0000000002E30000-memory.dmp
memory/2580-7-0x0000000002CA0000-0x0000000002D0D000-memory.dmp
memory/2580-8-0x0000000000400000-0x0000000002B21000-memory.dmp
memory/2580-11-0x0000000000400000-0x0000000002B21000-memory.dmp
Analysis: behavioral2
Detonation Overview
Submitted
2024-04-27 05:16
Reported
2024-04-27 05:19
Platform
win11-20240426-en
Max time kernel
148s
Max time network
150s
Command Line
Signatures
SectopRAT
SectopRAT payload
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | N/A |
Stealc
Downloads MZ/PE file
Executes dropped EXE
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\u2j8.0.exe | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\u2j8.2\run.exe | N/A |
Loads dropped DLL
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\u2j8.2\run.exe | N/A |
Checks installed software on the system
Suspicious use of SetThreadContext
| Description | Indicator | Process | Target |
| PID 2448 set thread context of 808 | N/A | C:\Users\Admin\AppData\Local\Temp\u2j8.2\run.exe | C:\Windows\SysWOW64\cmd.exe |
| PID 808 set thread context of 3372 | 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\311718335437b77a728b4b4bb7b1c46129fdbcb78012a4a6698b59b2d23d9713.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\u2j8.0.exe | N/A |
| Key value queried | \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString | C:\Users\Admin\AppData\Local\Temp\u2j8.0.exe | N/A |
Suspicious behavior: EnumeratesProcesses
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\u2j8.2\run.exe | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\u2j8.2\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 |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\u2j8.0.exe | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\u2j8.0.exe | N/A |
Suspicious behavior: MapViewOfSection
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\u2j8.2\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\u2j8.2\run.exe | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\u2j8.2\run.exe | N/A |
Suspicious use of WriteProcessMemory
Processes
C:\Users\Admin\AppData\Local\Temp\311718335437b77a728b4b4bb7b1c46129fdbcb78012a4a6698b59b2d23d9713.exe
"C:\Users\Admin\AppData\Local\Temp\311718335437b77a728b4b4bb7b1c46129fdbcb78012a4a6698b59b2d23d9713.exe"
C:\Users\Admin\AppData\Local\Temp\u2j8.0.exe
"C:\Users\Admin\AppData\Local\Temp\u2j8.0.exe"
C:\Users\Admin\AppData\Local\Temp\u2j8.2\run.exe
"C:\Users\Admin\AppData\Local\Temp\u2j8.2\run.exe"
C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 436 -p 3284 -ip 3284
C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 3284 -s 1588
C:\Windows\SysWOW64\cmd.exe
C:\Windows\SysWOW64\cmd.exe
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 |
| 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 |
| US | 8.8.8.8:53 | 8.8.8.8.in-addr.arpa | udp |
| RO | 176.97.76.106:80 | note.padd.cn.com | tcp |
| DE | 185.172.128.111:80 | 185.172.128.111 | tcp |
| DE | 185.172.128.111:80 | 185.172.128.111 | tcp |
| RU | 91.215.85.66:15647 | tcp | |
| DE | 185.172.128.111:80 | 185.172.128.111 | tcp |
| DE | 185.172.128.111:80 | 185.172.128.111 | tcp |
| DE | 185.172.128.111:80 | 185.172.128.111 | tcp |
Files
memory/3284-2-0x00000000030A0000-0x000000000310D000-memory.dmp
memory/3284-1-0x0000000002C90000-0x0000000002D90000-memory.dmp
memory/3284-3-0x0000000000400000-0x0000000002B21000-memory.dmp
C:\Users\Admin\AppData\Local\Temp\u2j8.0.exe
| MD5 | 676f3f7e1757f74747899195490046a1 |
| SHA1 | 8a9c5dea2f75e584d55ebde9e00c754a957eabf0 |
| SHA256 | bf6e481d423c25eaee5b59bd417d6cdac7ec25b3a0940e39e6b2db84c20b8f50 |
| SHA512 | 26100199b07b618fd0ff29a0f4d7c2945736618bab4bb3cab3572673bb62ed22f936756da55235bbb51a20a1cf132fb6f3f86cba02f4ee1354a373bccad1c00a |
memory/4404-17-0x0000000003060000-0x0000000003087000-memory.dmp
memory/4404-16-0x0000000002C50000-0x0000000002D50000-memory.dmp
memory/4404-18-0x0000000000400000-0x0000000002AFC000-memory.dmp
C:\Users\Admin\AppData\Local\Temp\u2j8.1.zip
| MD5 | 78d3ca6355c93c72b494bb6a498bf639 |
| SHA1 | 2fa4e5df74bfe75c207c881a1b0d3bc1c62c8b0e |
| SHA256 | a1dd547a63b256aa6a16871ed03f8b025226f7617e67b8817a08444df077b001 |
| SHA512 | 1b2df7bee2514aee7efd3579f5dd33c76b40606d07dba69a34c45747662fad61174db4931bca02b058830107959205e889fee74f8ccc9f6e03f9fd111761f4ea |
C:\Users\Admin\AppData\Local\Temp\u2j8.2\run.exe
| MD5 | 9fb4770ced09aae3b437c1c6eb6d7334 |
| SHA1 | fe54b31b0db8665aa5b22bed147e8295afc88a03 |
| SHA256 | a05b592a971fe5011554013bcfe9a4aaf9cfc633bdd1fe3a8197f213d557b8d3 |
| SHA512 | 140fee6daf23fe8b7e441b3b4de83554af804f00ecedc421907a385ac79a63164bd9f28b4be061c2ea2262755d85e14d3a8e7dc910547837b664d78d93667256 |
C:\Users\Admin\AppData\Local\Temp\u2j8.2\relay.dll
| MD5 | 10d51becd0bbce0fab147ff9658c565e |
| SHA1 | 4689a18112ff876d3c066bc8c14a08fd6b7b7a4a |
| SHA256 | 7b2db9c88f60ed6dd24b1dec321a304564780fdb191a96ec35c051856128f1ed |
| SHA512 | 29faf493bb28f7842c905adc5312f31741effb09f841059b53d73b22aea2c4d41d73db10bbf37703d6aeb936ffacbc756a3cc85ba3c0b6a6863ef4d27fefcd29 |
C:\Users\Admin\AppData\Local\Temp\u2j8.2\whale.dbf
| MD5 | a723bf46048e0bfb15b8d77d7a648c3e |
| SHA1 | 8952d3c34e9341e4425571e10f22b782695bb915 |
| SHA256 | b440170853bdb43b66497f701aee2901080326975140b095a1669cb9dee13422 |
| SHA512 | ca8ea2f7f3c7af21b5673a0a3f2611b6580a7ed02efa2cfd8b343eb644ff09682bde43b25ef7aab68530d5ce31dcbd252c382dd336ecb610d4c4ebde78347273 |
C:\Users\Admin\AppData\Local\Temp\u2j8.2\bunch.dat
| MD5 | 1e8237d3028ab52821d69099e0954f97 |
| SHA1 | 30a6ae353adda0c471c6ed5b7a2458b07185abf2 |
| SHA256 | 9387488f9d338e211be2cb45109bf590a5070180bc0d4a703f70d3cb3c4e1742 |
| SHA512 | a6406d7c18694ee014d59df581f1f76e980b68e3361ae680dc979606a423eba48d35e37f143154dd97fe5f066baf0ea51a2e9f8bc822d593e1cba70ead6559f3 |
memory/2448-104-0x0000000072380000-0x00000000724FD000-memory.dmp
memory/2448-105-0x00007FFE84020000-0x00007FFE84229000-memory.dmp
C:\Users\Admin\AppData\Local\Temp\u2j8.2\UIxMarketPlugin.dll
| MD5 | d1ba9412e78bfc98074c5d724a1a87d6 |
| SHA1 | 0572f98d78fb0b366b5a086c2a74cc68b771d368 |
| SHA256 | cbcea8f28d8916219d1e8b0a8ca2db17e338eb812431bc4ad0cb36c06fd67f15 |
| SHA512 | 8765de36d3824b12c0a4478c31b985878d4811bd0e5b6fba4ea07f8c76340bd66a2da3490d4871b95d9a12f96efc25507dfd87f431de211664dbe9a9c914af6f |
memory/3284-112-0x00000000030A0000-0x000000000310D000-memory.dmp
memory/3284-111-0x0000000000400000-0x0000000002B21000-memory.dmp
memory/2448-113-0x0000000072380000-0x00000000724FD000-memory.dmp
C:\Users\Admin\AppData\Local\Temp\8ac5855c
| MD5 | 9a6d2ca0f925dcb4b7de78b239797c1f |
| SHA1 | 110dfacd6aa5110cf4d3f068014854f47097a583 |
| SHA256 | d7082f8369a3ac77043d65b97ac213f060494c4bf19a396d2edea4a754b11e73 |
| SHA512 | cc700725a91986a5770a88a77adad5e4d277977d58b2eb1b5e369751bc408bd8e15c09bfd4191de83d2028a69a3db242897e1e00c86cf1375110158d30015339 |
memory/4404-116-0x0000000000400000-0x0000000002AFC000-memory.dmp
memory/808-117-0x00007FFE84020000-0x00007FFE84229000-memory.dmp
memory/4404-120-0x0000000002C50000-0x0000000002D50000-memory.dmp
memory/808-122-0x0000000072380000-0x00000000724FD000-memory.dmp
memory/3372-124-0x0000000070D00000-0x0000000072017000-memory.dmp
memory/3372-127-0x0000000000F00000-0x0000000000FC6000-memory.dmp
memory/3372-128-0x00000000056A0000-0x0000000005732000-memory.dmp
memory/3372-129-0x0000000005D60000-0x0000000006306000-memory.dmp
memory/3372-130-0x0000000005A80000-0x0000000005C42000-memory.dmp
memory/3372-131-0x00000000058B0000-0x0000000005926000-memory.dmp
memory/3372-132-0x00000000057B0000-0x0000000005800000-memory.dmp
memory/3372-133-0x0000000005660000-0x000000000566A000-memory.dmp
memory/4404-134-0x0000000000400000-0x0000000002AFC000-memory.dmp
memory/3372-135-0x0000000006940000-0x0000000006E6C000-memory.dmp
memory/3372-136-0x0000000005CF0000-0x0000000005D0E000-memory.dmp
memory/3372-137-0x0000000006480000-0x00000000064E6000-memory.dmp
C:\Users\Admin\AppData\Local\Temp\tmpC22.tmp
| MD5 | 42c395b8db48b6ce3d34c301d1eba9d5 |
| SHA1 | b7cfa3de344814bec105391663c0df4a74310996 |
| SHA256 | 5644546ecefc6786c7be5b1a89e935e640963ccd34b130f21baab9370cb9055d |
| SHA512 | 7b9214db96e9bec8745b4161a41c4c0520cdda9950f0cd3f12c7744227a25d639d07c0dd68b552cf1e032181c2e4f8297747f27bad6c7447b0f415a86bd82845 |
C:\Users\Admin\AppData\Local\Temp\tmpC45.tmp
| MD5 | 22be08f683bcc01d7a9799bbd2c10041 |
| SHA1 | 2efb6041cf3d6e67970135e592569c76fc4c41de |
| SHA256 | 451c2c0cf3b7cb412a05347c6e75ed8680f0d2e5f2ab0f64cc2436db9309a457 |
| SHA512 | 0eef192b3d5abe5d2435acf54b42c729c3979e4ad0b73d36666521458043ee7df1e10386bef266d7df9c31db94fb2833152bb2798936cb2082715318ef05d936 |
memory/4404-158-0x0000000000400000-0x0000000002AFC000-memory.dmp
memory/4404-161-0x0000000000400000-0x0000000002AFC000-memory.dmp
memory/4404-164-0x0000000000400000-0x0000000002AFC000-memory.dmp