Analysis Overview
SHA256
fa38bc50e82c0b00890b3234017ee1c0446f48114e700717f69d12dfb5c7d043
Threat Level: Known bad
The file fa38bc50e82c0b00890b3234017ee1c0446f48114e700717f69d12dfb5c7d043 was found to be: Known bad.
Malicious Activity Summary
SectopRAT payload
SectopRAT
Stealc
Downloads MZ/PE file
Reads user/profile data of web browsers
Reads data files stored by FTP clients
Loads dropped DLL
Executes dropped EXE
Accesses cryptocurrency files/wallets, possible credential harvesting
Checks installed software on the system
Suspicious use of SetThreadContext
Unsigned PE
Program crash
Enumerates physical storage devices
Suspicious behavior: EnumeratesProcesses
Suspicious use of WriteProcessMemory
Suspicious behavior: MapViewOfSection
Suspicious use of AdjustPrivilegeToken
Checks processor information in registry
Suspicious use of SetWindowsHookEx
MITRE ATT&CK
Enterprise Matrix V15
Analysis: static1
Detonation Overview
Reported
2024-04-27 17:01
Signatures
Unsigned PE
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | N/A |
Analysis: behavioral1
Detonation Overview
Submitted
2024-04-27 17:01
Reported
2024-04-27 17:03
Platform
win10v2004-20240419-en
Max time kernel
55s
Max time network
51s
Command Line
Signatures
Program crash
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Windows\SysWOW64\WerFault.exe | C:\Users\Admin\AppData\Local\Temp\fa38bc50e82c0b00890b3234017ee1c0446f48114e700717f69d12dfb5c7d043.exe |
Processes
C:\Users\Admin\AppData\Local\Temp\fa38bc50e82c0b00890b3234017ee1c0446f48114e700717f69d12dfb5c7d043.exe
"C:\Users\Admin\AppData\Local\Temp\fa38bc50e82c0b00890b3234017ee1c0446f48114e700717f69d12dfb5c7d043.exe"
C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 440 -p 2616 -ip 2616
C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 2616 -s 720
Network
| Country | Destination | Domain | Proto |
| DE | 185.172.128.228:80 | tcp | |
| DE | 185.172.128.203:80 | tcp |
Files
memory/2616-1-0x0000000002BA0000-0x0000000002CA0000-memory.dmp
memory/2616-2-0x0000000002E90000-0x0000000002EFD000-memory.dmp
memory/2616-3-0x0000000000400000-0x0000000002B15000-memory.dmp
memory/2616-6-0x0000000002BA0000-0x0000000002CA0000-memory.dmp
memory/2616-7-0x0000000002E90000-0x0000000002EFD000-memory.dmp
memory/2616-8-0x0000000000400000-0x0000000002B15000-memory.dmp
memory/2616-11-0x0000000000400000-0x0000000002B15000-memory.dmp
Analysis: behavioral2
Detonation Overview
Submitted
2024-04-27 17:01
Reported
2024-04-27 17:03
Platform
win11-20240426-en
Max time kernel
146s
Max time network
151s
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\uyg.0.exe | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\uyg.2\run.exe | N/A |
Loads dropped DLL
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\uyg.2\run.exe | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\uyg.0.exe | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\uyg.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 792 set thread context of 4260 | N/A | C:\Users\Admin\AppData\Local\Temp\uyg.2\run.exe | C:\Windows\SysWOW64\cmd.exe |
| PID 4260 set thread context of 4708 | 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\fa38bc50e82c0b00890b3234017ee1c0446f48114e700717f69d12dfb5c7d043.exe |
| N/A | N/A | C:\Windows\SysWOW64\WerFault.exe | C:\Users\Admin\AppData\Local\Temp\uyg.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\uyg.0.exe | N/A |
| Key value queried | \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString | C:\Users\Admin\AppData\Local\Temp\uyg.0.exe | N/A |
Suspicious behavior: EnumeratesProcesses
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\uyg.0.exe | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\uyg.0.exe | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\uyg.2\run.exe | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\uyg.2\run.exe | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\uyg.0.exe | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\uyg.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 |
Suspicious behavior: MapViewOfSection
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\uyg.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\uyg.2\run.exe | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\uyg.2\run.exe | N/A |
Suspicious use of WriteProcessMemory
Processes
C:\Users\Admin\AppData\Local\Temp\fa38bc50e82c0b00890b3234017ee1c0446f48114e700717f69d12dfb5c7d043.exe
"C:\Users\Admin\AppData\Local\Temp\fa38bc50e82c0b00890b3234017ee1c0446f48114e700717f69d12dfb5c7d043.exe"
C:\Users\Admin\AppData\Local\Temp\uyg.0.exe
"C:\Users\Admin\AppData\Local\Temp\uyg.0.exe"
C:\Users\Admin\AppData\Local\Temp\uyg.2\run.exe
"C:\Users\Admin\AppData\Local\Temp\uyg.2\run.exe"
C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 436 -p 1240 -ip 1240
C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 1240 -s 1156
C:\Windows\SysWOW64\cmd.exe
C:\Windows\SysWOW64\cmd.exe
C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 416 -p 5004 -ip 5004
C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 5004 -s 2488
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 | 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 | 185.172.128.76:80 | 185.172.128.76 | tcp |
| RU | 91.215.85.66:15647 | tcp |
Files
memory/1240-1-0x0000000002D00000-0x0000000002E00000-memory.dmp
memory/1240-2-0x0000000002FB0000-0x000000000301D000-memory.dmp
memory/1240-3-0x0000000000400000-0x0000000002B15000-memory.dmp
C:\Users\Admin\AppData\Local\Temp\uyg.0.exe
| MD5 | 095481b86d31bf49a325d3e98d2dc476 |
| SHA1 | 1a7dec1679e716bb9635a1d92e27a20184d5ef61 |
| SHA256 | db4defb73e7393df8472a1133abbdd60ac42a9ca063cf0e2c9eb7c2760eddc32 |
| SHA512 | 5e6a376ee0b6d8d3b606f5b44081d8b46ae3f2a2d02116dde7187cf7771d65ecafee9396ac146113d5843e7b371053ab5699665ed6bc4ee054b84481f37b771c |
memory/5004-14-0x0000000002F50000-0x0000000002F77000-memory.dmp
memory/5004-13-0x0000000002B80000-0x0000000002C80000-memory.dmp
memory/5004-15-0x0000000000400000-0x0000000002AF0000-memory.dmp
C:\Users\Admin\AppData\Local\Temp\uyg.1.zip
| MD5 | 78d3ca6355c93c72b494bb6a498bf639 |
| SHA1 | 2fa4e5df74bfe75c207c881a1b0d3bc1c62c8b0e |
| SHA256 | a1dd547a63b256aa6a16871ed03f8b025226f7617e67b8817a08444df077b001 |
| SHA512 | 1b2df7bee2514aee7efd3579f5dd33c76b40606d07dba69a34c45747662fad61174db4931bca02b058830107959205e889fee74f8ccc9f6e03f9fd111761f4ea |
memory/5004-87-0x0000000061E00000-0x0000000061EF3000-memory.dmp
C:\Users\Admin\AppData\Local\Temp\uyg.2\run.exe
| MD5 | 9fb4770ced09aae3b437c1c6eb6d7334 |
| SHA1 | fe54b31b0db8665aa5b22bed147e8295afc88a03 |
| SHA256 | a05b592a971fe5011554013bcfe9a4aaf9cfc633bdd1fe3a8197f213d557b8d3 |
| SHA512 | 140fee6daf23fe8b7e441b3b4de83554af804f00ecedc421907a385ac79a63164bd9f28b4be061c2ea2262755d85e14d3a8e7dc910547837b664d78d93667256 |
C:\Users\Admin\AppData\Local\Temp\uyg.2\relay.dll
| MD5 | 10d51becd0bbce0fab147ff9658c565e |
| SHA1 | 4689a18112ff876d3c066bc8c14a08fd6b7b7a4a |
| SHA256 | 7b2db9c88f60ed6dd24b1dec321a304564780fdb191a96ec35c051856128f1ed |
| SHA512 | 29faf493bb28f7842c905adc5312f31741effb09f841059b53d73b22aea2c4d41d73db10bbf37703d6aeb936ffacbc756a3cc85ba3c0b6a6863ef4d27fefcd29 |
C:\Users\Admin\AppData\Local\Temp\uyg.2\whale.dbf
| MD5 | a723bf46048e0bfb15b8d77d7a648c3e |
| SHA1 | 8952d3c34e9341e4425571e10f22b782695bb915 |
| SHA256 | b440170853bdb43b66497f701aee2901080326975140b095a1669cb9dee13422 |
| SHA512 | ca8ea2f7f3c7af21b5673a0a3f2611b6580a7ed02efa2cfd8b343eb644ff09682bde43b25ef7aab68530d5ce31dcbd252c382dd336ecb610d4c4ebde78347273 |
C:\Users\Admin\AppData\Local\Temp\uyg.2\bunch.dat
| MD5 | 1e8237d3028ab52821d69099e0954f97 |
| SHA1 | 30a6ae353adda0c471c6ed5b7a2458b07185abf2 |
| SHA256 | 9387488f9d338e211be2cb45109bf590a5070180bc0d4a703f70d3cb3c4e1742 |
| SHA512 | a6406d7c18694ee014d59df581f1f76e980b68e3361ae680dc979606a423eba48d35e37f143154dd97fe5f066baf0ea51a2e9f8bc822d593e1cba70ead6559f3 |
memory/792-134-0x0000000072C00000-0x0000000072D7D000-memory.dmp
memory/792-135-0x00007FFE1FD20000-0x00007FFE1FF29000-memory.dmp
C:\Users\Admin\AppData\Local\Temp\uyg.2\UIxMarketPlugin.dll
| MD5 | d1ba9412e78bfc98074c5d724a1a87d6 |
| SHA1 | 0572f98d78fb0b366b5a086c2a74cc68b771d368 |
| SHA256 | cbcea8f28d8916219d1e8b0a8ca2db17e338eb812431bc4ad0cb36c06fd67f15 |
| SHA512 | 8765de36d3824b12c0a4478c31b985878d4811bd0e5b6fba4ea07f8c76340bd66a2da3490d4871b95d9a12f96efc25507dfd87f431de211664dbe9a9c914af6f |
memory/1240-148-0x0000000000400000-0x0000000002B15000-memory.dmp
C:\ProgramData\mozglue.dll
| MD5 | c8fd9be83bc728cc04beffafc2907fe9 |
| SHA1 | 95ab9f701e0024cedfbd312bcfe4e726744c4f2e |
| SHA256 | ba06a6ee0b15f5be5c4e67782eec8b521e36c107a329093ec400fe0404eb196a |
| SHA512 | fbb446f4a27ef510e616caad52945d6c9cc1fd063812c41947e579ec2b54df57c6dc46237ded80fca5847f38cbe1747a6c66a13e2c8c19c664a72be35eb8b040 |
C:\ProgramData\nss3.dll
| MD5 | 1cc453cdf74f31e4d913ff9c10acdde2 |
| SHA1 | 6e85eae544d6e965f15fa5c39700fa7202f3aafe |
| SHA256 | ac5c92fe6c51cfa742e475215b83b3e11a4379820043263bf50d4068686c6fa5 |
| SHA512 | dd9ff4e06b00dc831439bab11c10e9b2ae864ea6e780d3835ea7468818f35439f352ef137da111efcdf2bb6465f6ca486719451bf6cf32c6a4420a56b1d64571 |
C:\ProgramData\Are.docx
| MD5 | a33e5b189842c5867f46566bdbf7a095 |
| SHA1 | e1c06359f6a76da90d19e8fd95e79c832edb3196 |
| SHA256 | 5abf8e3d1f78de7b09d7f6fb87f9e80e60caacf13ef3c1289665653dacd7c454 |
| SHA512 | f2ad3812ec9b915e9618539b0f103f2e9acaad25fbbacd84941c954ce070af231324e83a4621e951c1dbae8d40d50410954e40dd52bbd46e34c54b0d1957407b |
memory/5004-184-0x0000000000400000-0x0000000002AF0000-memory.dmp
memory/792-185-0x0000000072C00000-0x0000000072D7D000-memory.dmp
C:\Users\Admin\AppData\Local\Temp\baa835ba
| MD5 | 8fa4d504fd22f39da3528e79167141fa |
| SHA1 | fa45ede59a40f4a0a8df1a0f597e3eea1725cff8 |
| SHA256 | 054d82dc2b155c3723bfb9dfc8e4c6f613841b7d00028ad92d9b213f6ed4ffb9 |
| SHA512 | b23ef6aac6673e158d6da3873f69ddafe67c69bd20263c46abe626a6ebe8d4297da7bd65539b753aae132003328badd27b26eb085d1583cce865dadb023cc818 |
memory/4260-188-0x00007FFE1FD20000-0x00007FFE1FF29000-memory.dmp
memory/4260-190-0x0000000072C00000-0x0000000072D7D000-memory.dmp
memory/4708-192-0x0000000073BD0000-0x0000000074EE7000-memory.dmp
memory/4708-195-0x0000000000700000-0x00000000007C6000-memory.dmp
memory/4708-196-0x0000000004E10000-0x0000000004EA2000-memory.dmp
memory/4708-197-0x0000000005460000-0x0000000005A06000-memory.dmp
memory/4708-198-0x0000000005080000-0x0000000005242000-memory.dmp
memory/4708-199-0x0000000004F30000-0x0000000004FA6000-memory.dmp
memory/4708-200-0x0000000004FB0000-0x0000000005000000-memory.dmp
memory/4708-201-0x0000000004EC0000-0x0000000004ECA000-memory.dmp
memory/4708-202-0x0000000006180000-0x00000000066AC000-memory.dmp
memory/4708-203-0x0000000005C50000-0x0000000005C6E000-memory.dmp
memory/4708-204-0x0000000005D50000-0x0000000005DB6000-memory.dmp
C:\Users\Admin\AppData\Local\Temp\tmpAB6F.tmp
| MD5 | 42c395b8db48b6ce3d34c301d1eba9d5 |
| SHA1 | b7cfa3de344814bec105391663c0df4a74310996 |
| SHA256 | 5644546ecefc6786c7be5b1a89e935e640963ccd34b130f21baab9370cb9055d |
| SHA512 | 7b9214db96e9bec8745b4161a41c4c0520cdda9950f0cd3f12c7744227a25d639d07c0dd68b552cf1e032181c2e4f8297747f27bad6c7447b0f415a86bd82845 |
C:\Users\Admin\AppData\Local\Temp\tmpABA1.tmp
| MD5 | 22be08f683bcc01d7a9799bbd2c10041 |
| SHA1 | 2efb6041cf3d6e67970135e592569c76fc4c41de |
| SHA256 | 451c2c0cf3b7cb412a05347c6e75ed8680f0d2e5f2ab0f64cc2436db9309a457 |
| SHA512 | 0eef192b3d5abe5d2435acf54b42c729c3979e4ad0b73d36666521458043ee7df1e10386bef266d7df9c31db94fb2833152bb2798936cb2082715318ef05d936 |