Analysis Overview
SHA256
df9bf21bdbcd5a27ad3a7d230070135ab62ae4bb4ca18efefaa58d065242bd4d
Threat Level: Known bad
The file 4fe50d7ebbbbc20cd513cc300952a3c8.exe was found to be: Known bad.
Malicious Activity Summary
Stealc
SectopRAT payload
SectopRAT
Downloads MZ/PE file
Loads dropped DLL
Reads user/profile data of web browsers
Reads data files stored by FTP clients
Executes dropped EXE
Accesses cryptocurrency files/wallets, possible credential harvesting
Checks installed software on the system
Suspicious use of SetThreadContext
Unsigned PE
Enumerates physical storage devices
Program crash
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of SetWindowsHookEx
Suspicious behavior: MapViewOfSection
Checks processor information in registry
Suspicious use of WriteProcessMemory
MITRE ATT&CK
Enterprise Matrix V15
Analysis: static1
Detonation Overview
Reported
2024-04-28 02:41
Signatures
Unsigned PE
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | N/A |
Analysis: behavioral1
Detonation Overview
Submitted
2024-04-28 02:41
Reported
2024-04-28 02:43
Platform
win7-20240221-en
Max time kernel
132s
Max time network
137s
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\uvk.0.exe | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\uvk.2\run.exe | N/A |
Loads dropped DLL
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\4fe50d7ebbbbc20cd513cc300952a3c8.exe | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\4fe50d7ebbbbc20cd513cc300952a3c8.exe | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\4fe50d7ebbbbc20cd513cc300952a3c8.exe | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\4fe50d7ebbbbc20cd513cc300952a3c8.exe | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\4fe50d7ebbbbc20cd513cc300952a3c8.exe | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\4fe50d7ebbbbc20cd513cc300952a3c8.exe | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\4fe50d7ebbbbc20cd513cc300952a3c8.exe | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\4fe50d7ebbbbc20cd513cc300952a3c8.exe | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\uvk.2\run.exe | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\uvk.0.exe | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\uvk.0.exe | N/A |
| N/A | N/A | C:\Windows\SysWOW64\cmd.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 1724 set thread context of 2044 | N/A | C:\Users\Admin\AppData\Local\Temp\uvk.2\run.exe | C:\Windows\SysWOW64\cmd.exe |
| PID 2044 set thread context of 612 | N/A | C:\Windows\SysWOW64\cmd.exe | C:\Windows\Microsoft.NET\Framework\v4.0.30319\MSBuild.exe |
Enumerates physical storage devices
Checks processor information in registry
| Description | Indicator | Process | Target |
| Key opened | \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0 | C:\Users\Admin\AppData\Local\Temp\uvk.0.exe | N/A |
| Key value queried | \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString | C:\Users\Admin\AppData\Local\Temp\uvk.0.exe | N/A |
Suspicious behavior: EnumeratesProcesses
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\uvk.0.exe | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\uvk.2\run.exe | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\uvk.2\run.exe | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\uvk.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:\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\uvk.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\uvk.2\run.exe | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\uvk.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\4fe50d7ebbbbc20cd513cc300952a3c8.exe
"C:\Users\Admin\AppData\Local\Temp\4fe50d7ebbbbc20cd513cc300952a3c8.exe"
C:\Users\Admin\AppData\Local\Temp\uvk.0.exe
"C:\Users\Admin\AppData\Local\Temp\uvk.0.exe"
C:\Users\Admin\AppData\Local\Temp\uvk.2\run.exe
"C:\Users\Admin\AppData\Local\Temp\uvk.2\run.exe"
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 |
| 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 | |
| RU | 91.215.85.66:9000 | tcp |
Files
memory/1136-2-0x0000000003190000-0x00000000031FD000-memory.dmp
memory/1136-1-0x0000000000280000-0x0000000000380000-memory.dmp
memory/1136-3-0x0000000000400000-0x0000000001A3D000-memory.dmp
\Users\Admin\AppData\Local\Temp\uvk.0.exe
| MD5 | 6a1950539f96cbb2cf816a413a68e07f |
| SHA1 | 6bff7074f3bfc7dfa00dd188ab8b620a8d986cc7 |
| SHA256 | aa26475eeea5b19d3d052637a9e988e0250ae16190807889fc255065687c8780 |
| SHA512 | be12aa463be7df2d66e6fbda1bb9eb783328b72e4b001904574d9541b9e13ad343e3e58f0febdf1196d39d69835b60a3bd475d3ed978945415f423c4fc0ef02d |
memory/2280-20-0x0000000061E00000-0x0000000061EF3000-memory.dmp
C:\Users\Admin\AppData\Local\Temp\UVK1~1.ZIP
| MD5 | 78d3ca6355c93c72b494bb6a498bf639 |
| SHA1 | 2fa4e5df74bfe75c207c881a1b0d3bc1c62c8b0e |
| SHA256 | a1dd547a63b256aa6a16871ed03f8b025226f7617e67b8817a08444df077b001 |
| SHA512 | 1b2df7bee2514aee7efd3579f5dd33c76b40606d07dba69a34c45747662fad61174db4931bca02b058830107959205e889fee74f8ccc9f6e03f9fd111761f4ea |
\Users\Admin\AppData\Local\Temp\uvk.2\run.exe
| MD5 | 9fb4770ced09aae3b437c1c6eb6d7334 |
| SHA1 | fe54b31b0db8665aa5b22bed147e8295afc88a03 |
| SHA256 | a05b592a971fe5011554013bcfe9a4aaf9cfc633bdd1fe3a8197f213d557b8d3 |
| SHA512 | 140fee6daf23fe8b7e441b3b4de83554af804f00ecedc421907a385ac79a63164bd9f28b4be061c2ea2262755d85e14d3a8e7dc910547837b664d78d93667256 |
memory/1136-138-0x0000000000280000-0x0000000000380000-memory.dmp
memory/1136-137-0x0000000000400000-0x0000000001A3D000-memory.dmp
C:\Users\Admin\AppData\Local\Temp\uvk.2\relay.dll
| MD5 | 10d51becd0bbce0fab147ff9658c565e |
| SHA1 | 4689a18112ff876d3c066bc8c14a08fd6b7b7a4a |
| SHA256 | 7b2db9c88f60ed6dd24b1dec321a304564780fdb191a96ec35c051856128f1ed |
| SHA512 | 29faf493bb28f7842c905adc5312f31741effb09f841059b53d73b22aea2c4d41d73db10bbf37703d6aeb936ffacbc756a3cc85ba3c0b6a6863ef4d27fefcd29 |
C:\Users\Admin\AppData\Local\Temp\uvk.2\whale.dbf
| MD5 | a723bf46048e0bfb15b8d77d7a648c3e |
| SHA1 | 8952d3c34e9341e4425571e10f22b782695bb915 |
| SHA256 | b440170853bdb43b66497f701aee2901080326975140b095a1669cb9dee13422 |
| SHA512 | ca8ea2f7f3c7af21b5673a0a3f2611b6580a7ed02efa2cfd8b343eb644ff09682bde43b25ef7aab68530d5ce31dcbd252c382dd336ecb610d4c4ebde78347273 |
C:\Users\Admin\AppData\Local\Temp\uvk.2\bunch.dat
| MD5 | 1e8237d3028ab52821d69099e0954f97 |
| SHA1 | 30a6ae353adda0c471c6ed5b7a2458b07185abf2 |
| SHA256 | 9387488f9d338e211be2cb45109bf590a5070180bc0d4a703f70d3cb3c4e1742 |
| SHA512 | a6406d7c18694ee014d59df581f1f76e980b68e3361ae680dc979606a423eba48d35e37f143154dd97fe5f066baf0ea51a2e9f8bc822d593e1cba70ead6559f3 |
memory/1724-144-0x00000000741B0000-0x0000000074324000-memory.dmp
memory/1724-151-0x0000000077500000-0x00000000776A9000-memory.dmp
C:\Users\Admin\AppData\Local\Temp\uvk.2\UIxMarketPlugin.dll
| MD5 | d1ba9412e78bfc98074c5d724a1a87d6 |
| SHA1 | 0572f98d78fb0b366b5a086c2a74cc68b771d368 |
| SHA256 | cbcea8f28d8916219d1e8b0a8ca2db17e338eb812431bc4ad0cb36c06fd67f15 |
| SHA512 | 8765de36d3824b12c0a4478c31b985878d4811bd0e5b6fba4ea07f8c76340bd66a2da3490d4871b95d9a12f96efc25507dfd87f431de211664dbe9a9c914af6f |
\ProgramData\nss3.dll
| MD5 | 1cc453cdf74f31e4d913ff9c10acdde2 |
| SHA1 | 6e85eae544d6e965f15fa5c39700fa7202f3aafe |
| SHA256 | ac5c92fe6c51cfa742e475215b83b3e11a4379820043263bf50d4068686c6fa5 |
| SHA512 | dd9ff4e06b00dc831439bab11c10e9b2ae864ea6e780d3835ea7468818f35439f352ef137da111efcdf2bb6465f6ca486719451bf6cf32c6a4420a56b1d64571 |
\ProgramData\mozglue.dll
| MD5 | c8fd9be83bc728cc04beffafc2907fe9 |
| SHA1 | 95ab9f701e0024cedfbd312bcfe4e726744c4f2e |
| SHA256 | ba06a6ee0b15f5be5c4e67782eec8b521e36c107a329093ec400fe0404eb196a |
| SHA512 | fbb446f4a27ef510e616caad52945d6c9cc1fd063812c41947e579ec2b54df57c6dc46237ded80fca5847f38cbe1747a6c66a13e2c8c19c664a72be35eb8b040 |
memory/1724-172-0x00000000741B0000-0x0000000074324000-memory.dmp
C:\Users\Admin\AppData\Local\Temp\1e1cf49d
| MD5 | 736817d1a7740fa2f476b19470bbd3dc |
| SHA1 | 70d7f508651626c4bad56d55a581b11468c42c62 |
| SHA256 | f4da21cd3660885d32c57665e966c97d291bcc571d3a604c831cbcdf059e8221 |
| SHA512 | e1691aaa2d2faaf3eff0aef96cb4976eda0ee4a7ebd7680341df658749f07c1388e40fb727f30fd9c51d9b58a280491a8dd3053aec1a628a91c5359ac2a476fc |
memory/2280-175-0x0000000000400000-0x0000000001A19000-memory.dmp
memory/2280-181-0x0000000000400000-0x0000000001A19000-memory.dmp
memory/2044-182-0x0000000077500000-0x00000000776A9000-memory.dmp
memory/2044-228-0x00000000741B0000-0x0000000074324000-memory.dmp
memory/612-232-0x00000000FFFDE000-0x00000000FFFDF000-memory.dmp
memory/612-231-0x00000000FFFDE000-0x00000000FFFDF000-memory.dmp
memory/612-230-0x0000000072B30000-0x0000000073B92000-memory.dmp
memory/612-233-0x0000000000400000-0x00000000004C6000-memory.dmp
C:\Users\Admin\AppData\Local\Temp\tmp41C2.tmp
| MD5 | c9ff7748d8fcef4cf84a5501e996a641 |
| SHA1 | 02867e5010f62f97ebb0cfb32cb3ede9449fe0c9 |
| SHA256 | 4d3f3194cb1133437aa69bb880c8cbb55ddf06ff61a88ca6c3f1bbfbfd35d988 |
| SHA512 | d36054499869a8f56ac8547ccd5455f1252c24e17d2b185955390b32da7e2a732ace4e0f30f9493fcc61425a2e31ed623465f998f41af69423ee0e3ed1483a73 |
Analysis: behavioral2
Detonation Overview
Submitted
2024-04-28 02:41
Reported
2024-04-28 02:43
Platform
win10v2004-20240419-en
Max time kernel
66s
Max time network
52s
Command Line
Signatures
Program crash
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Windows\SysWOW64\WerFault.exe | C:\Users\Admin\AppData\Local\Temp\4fe50d7ebbbbc20cd513cc300952a3c8.exe |
Processes
C:\Users\Admin\AppData\Local\Temp\4fe50d7ebbbbc20cd513cc300952a3c8.exe
"C:\Users\Admin\AppData\Local\Temp\4fe50d7ebbbbc20cd513cc300952a3c8.exe"
C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 460 -p 3916 -ip 3916
C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 3916 -s 728
Network
| Country | Destination | Domain | Proto |
| DE | 185.172.128.228:80 | tcp | |
| US | 8.8.8.8:53 | g.bing.com | udp |
| DE | 185.172.128.203:80 | tcp | |
| US | 8.8.8.8:53 | g.bing.com | udp |
Files
memory/3916-1-0x0000000001CC0000-0x0000000001DC0000-memory.dmp
memory/3916-2-0x0000000003660000-0x00000000036CD000-memory.dmp
memory/3916-3-0x0000000000400000-0x0000000001A3D000-memory.dmp
memory/3916-5-0x0000000001CC0000-0x0000000001DC0000-memory.dmp
memory/3916-7-0x0000000003660000-0x00000000036CD000-memory.dmp
memory/3916-6-0x0000000000400000-0x0000000001A3D000-memory.dmp
memory/3916-10-0x0000000000400000-0x0000000001A3D000-memory.dmp