Analysis
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max time kernel
132s -
max time network
137s -
platform
windows7_x64 -
resource
win7-20240221-en -
resource tags
arch:x64arch:x86image:win7-20240221-enlocale:en-usos:windows7-x64system -
submitted
28-04-2024 02:41
Static task
static1
Behavioral task
behavioral1
Sample
4fe50d7ebbbbc20cd513cc300952a3c8.exe
Resource
win7-20240221-en
Behavioral task
behavioral2
Sample
4fe50d7ebbbbc20cd513cc300952a3c8.exe
Resource
win10v2004-20240419-en
General
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Target
4fe50d7ebbbbc20cd513cc300952a3c8.exe
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Size
455KB
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MD5
4fe50d7ebbbbc20cd513cc300952a3c8
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SHA1
87d218b2066ca1511e2c6659eb2bb29f5b5255e3
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SHA256
df9bf21bdbcd5a27ad3a7d230070135ab62ae4bb4ca18efefaa58d065242bd4d
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SHA512
78ca6e4c350b182e7c4206b5b15f72110acebc16463dc4b6a36e7271f147936fad9bc990513a11ebaf752a925b8d650e2aa389cfb5909da1cae200aff1efdb03
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SSDEEP
6144:wPKlSI6wvdEjpq79xyN+PKbaKNt8RUeW2s4A9YoxYrP9nys3ODE:wylSI66yj4nOaaJh9x6tT3wE
Malware Config
Extracted
stealc
http://185.172.128.76
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url_path
/8681490a59ad0e34.php
Signatures
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SectopRAT payload 1 IoCs
Processes:
resource yara_rule behavioral1/memory/612-233-0x0000000000400000-0x00000000004C6000-memory.dmp family_sectoprat -
Downloads MZ/PE file
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Executes dropped EXE 2 IoCs
Processes:
uvk.0.exerun.exepid process 2280 uvk.0.exe 1724 run.exe -
Loads dropped DLL 12 IoCs
Processes:
4fe50d7ebbbbc20cd513cc300952a3c8.exerun.exeuvk.0.execmd.exepid process 1136 4fe50d7ebbbbc20cd513cc300952a3c8.exe 1136 4fe50d7ebbbbc20cd513cc300952a3c8.exe 1136 4fe50d7ebbbbc20cd513cc300952a3c8.exe 1136 4fe50d7ebbbbc20cd513cc300952a3c8.exe 1136 4fe50d7ebbbbc20cd513cc300952a3c8.exe 1136 4fe50d7ebbbbc20cd513cc300952a3c8.exe 1136 4fe50d7ebbbbc20cd513cc300952a3c8.exe 1136 4fe50d7ebbbbc20cd513cc300952a3c8.exe 1724 run.exe 2280 uvk.0.exe 2280 uvk.0.exe 2044 cmd.exe -
Reads data files stored by FTP clients 2 TTPs
Tries to access configuration files associated with programs like FileZilla.
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Reads user/profile data of web browsers 2 TTPs
Infostealers often target stored browser data, which can include saved credentials etc.
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Accesses cryptocurrency files/wallets, possible credential harvesting 2 TTPs
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Checks installed software on the system 1 TTPs
Looks up Uninstall key entries in the registry to enumerate software on the system.
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Suspicious use of SetThreadContext 2 IoCs
Processes:
run.execmd.exedescription pid process target process PID 1724 set thread context of 2044 1724 run.exe cmd.exe PID 2044 set thread context of 612 2044 cmd.exe MSBuild.exe -
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
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Checks processor information in registry 2 TTPs 2 IoCs
Processor information is often read in order to detect sandboxing environments.
Processes:
uvk.0.exedescription ioc process Key opened \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0 uvk.0.exe Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString uvk.0.exe -
Suspicious behavior: EnumeratesProcesses 7 IoCs
Processes:
uvk.0.exerun.execmd.exeMSBuild.exepid process 2280 uvk.0.exe 1724 run.exe 1724 run.exe 2280 uvk.0.exe 2044 cmd.exe 2044 cmd.exe 612 MSBuild.exe -
Suspicious behavior: MapViewOfSection 3 IoCs
Processes:
run.execmd.exepid process 1724 run.exe 2044 cmd.exe 2044 cmd.exe -
Suspicious use of AdjustPrivilegeToken 1 IoCs
Processes:
MSBuild.exedescription pid process Token: SeDebugPrivilege 612 MSBuild.exe -
Suspicious use of SetWindowsHookEx 3 IoCs
Processes:
run.exeMSBuild.exepid process 1724 run.exe 1724 run.exe 612 MSBuild.exe -
Suspicious use of WriteProcessMemory 22 IoCs
Processes:
4fe50d7ebbbbc20cd513cc300952a3c8.exerun.execmd.exedescription pid process target process PID 1136 wrote to memory of 2280 1136 4fe50d7ebbbbc20cd513cc300952a3c8.exe uvk.0.exe PID 1136 wrote to memory of 2280 1136 4fe50d7ebbbbc20cd513cc300952a3c8.exe uvk.0.exe PID 1136 wrote to memory of 2280 1136 4fe50d7ebbbbc20cd513cc300952a3c8.exe uvk.0.exe PID 1136 wrote to memory of 2280 1136 4fe50d7ebbbbc20cd513cc300952a3c8.exe uvk.0.exe PID 1136 wrote to memory of 1724 1136 4fe50d7ebbbbc20cd513cc300952a3c8.exe run.exe PID 1136 wrote to memory of 1724 1136 4fe50d7ebbbbc20cd513cc300952a3c8.exe run.exe PID 1136 wrote to memory of 1724 1136 4fe50d7ebbbbc20cd513cc300952a3c8.exe run.exe PID 1136 wrote to memory of 1724 1136 4fe50d7ebbbbc20cd513cc300952a3c8.exe run.exe PID 1136 wrote to memory of 1724 1136 4fe50d7ebbbbc20cd513cc300952a3c8.exe run.exe PID 1136 wrote to memory of 1724 1136 4fe50d7ebbbbc20cd513cc300952a3c8.exe run.exe PID 1136 wrote to memory of 1724 1136 4fe50d7ebbbbc20cd513cc300952a3c8.exe run.exe PID 1724 wrote to memory of 2044 1724 run.exe cmd.exe PID 1724 wrote to memory of 2044 1724 run.exe cmd.exe PID 1724 wrote to memory of 2044 1724 run.exe cmd.exe PID 1724 wrote to memory of 2044 1724 run.exe cmd.exe PID 1724 wrote to memory of 2044 1724 run.exe cmd.exe PID 2044 wrote to memory of 612 2044 cmd.exe MSBuild.exe PID 2044 wrote to memory of 612 2044 cmd.exe MSBuild.exe PID 2044 wrote to memory of 612 2044 cmd.exe MSBuild.exe PID 2044 wrote to memory of 612 2044 cmd.exe MSBuild.exe PID 2044 wrote to memory of 612 2044 cmd.exe MSBuild.exe PID 2044 wrote to memory of 612 2044 cmd.exe MSBuild.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\4fe50d7ebbbbc20cd513cc300952a3c8.exe"C:\Users\Admin\AppData\Local\Temp\4fe50d7ebbbbc20cd513cc300952a3c8.exe"1⤵
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
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C:\Users\Admin\AppData\Local\Temp\uvk.0.exe"C:\Users\Admin\AppData\Local\Temp\uvk.0.exe"2⤵
- Executes dropped EXE
- Loads dropped DLL
- Checks processor information in registry
- Suspicious behavior: EnumeratesProcesses
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C:\Users\Admin\AppData\Local\Temp\uvk.2\run.exe"C:\Users\Admin\AppData\Local\Temp\uvk.2\run.exe"2⤵
- Executes dropped EXE
- Loads dropped DLL
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: MapViewOfSection
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
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C:\Windows\SysWOW64\cmd.exeC:\Windows\SysWOW64\cmd.exe3⤵
- Loads dropped DLL
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: MapViewOfSection
- Suspicious use of WriteProcessMemory
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C:\Windows\Microsoft.NET\Framework\v4.0.30319\MSBuild.exeC:\Windows\Microsoft.NET\Framework\v4.0.30319\MSBuild.exe4⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of SetWindowsHookEx
Network
MITRE ATT&CK Matrix ATT&CK v13
Replay Monitor
Loading Replay Monitor...
Downloads
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C:\Users\Admin\AppData\Local\Temp\1e1cf49dFilesize
1.4MB
MD5736817d1a7740fa2f476b19470bbd3dc
SHA170d7f508651626c4bad56d55a581b11468c42c62
SHA256f4da21cd3660885d32c57665e966c97d291bcc571d3a604c831cbcdf059e8221
SHA512e1691aaa2d2faaf3eff0aef96cb4976eda0ee4a7ebd7680341df658749f07c1388e40fb727f30fd9c51d9b58a280491a8dd3053aec1a628a91c5359ac2a476fc
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C:\Users\Admin\AppData\Local\Temp\UVK1~1.ZIPFilesize
3.7MB
MD578d3ca6355c93c72b494bb6a498bf639
SHA12fa4e5df74bfe75c207c881a1b0d3bc1c62c8b0e
SHA256a1dd547a63b256aa6a16871ed03f8b025226f7617e67b8817a08444df077b001
SHA5121b2df7bee2514aee7efd3579f5dd33c76b40606d07dba69a34c45747662fad61174db4931bca02b058830107959205e889fee74f8ccc9f6e03f9fd111761f4ea
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C:\Users\Admin\AppData\Local\Temp\tmp41C2.tmpFilesize
20KB
MD5c9ff7748d8fcef4cf84a5501e996a641
SHA102867e5010f62f97ebb0cfb32cb3ede9449fe0c9
SHA2564d3f3194cb1133437aa69bb880c8cbb55ddf06ff61a88ca6c3f1bbfbfd35d988
SHA512d36054499869a8f56ac8547ccd5455f1252c24e17d2b185955390b32da7e2a732ace4e0f30f9493fcc61425a2e31ed623465f998f41af69423ee0e3ed1483a73
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C:\Users\Admin\AppData\Local\Temp\uvk.2\UIxMarketPlugin.dllFilesize
1.6MB
MD5d1ba9412e78bfc98074c5d724a1a87d6
SHA10572f98d78fb0b366b5a086c2a74cc68b771d368
SHA256cbcea8f28d8916219d1e8b0a8ca2db17e338eb812431bc4ad0cb36c06fd67f15
SHA5128765de36d3824b12c0a4478c31b985878d4811bd0e5b6fba4ea07f8c76340bd66a2da3490d4871b95d9a12f96efc25507dfd87f431de211664dbe9a9c914af6f
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C:\Users\Admin\AppData\Local\Temp\uvk.2\bunch.datFilesize
1.3MB
MD51e8237d3028ab52821d69099e0954f97
SHA130a6ae353adda0c471c6ed5b7a2458b07185abf2
SHA2569387488f9d338e211be2cb45109bf590a5070180bc0d4a703f70d3cb3c4e1742
SHA512a6406d7c18694ee014d59df581f1f76e980b68e3361ae680dc979606a423eba48d35e37f143154dd97fe5f066baf0ea51a2e9f8bc822d593e1cba70ead6559f3
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C:\Users\Admin\AppData\Local\Temp\uvk.2\relay.dllFilesize
1.5MB
MD510d51becd0bbce0fab147ff9658c565e
SHA14689a18112ff876d3c066bc8c14a08fd6b7b7a4a
SHA2567b2db9c88f60ed6dd24b1dec321a304564780fdb191a96ec35c051856128f1ed
SHA51229faf493bb28f7842c905adc5312f31741effb09f841059b53d73b22aea2c4d41d73db10bbf37703d6aeb936ffacbc756a3cc85ba3c0b6a6863ef4d27fefcd29
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C:\Users\Admin\AppData\Local\Temp\uvk.2\whale.dbfFilesize
85KB
MD5a723bf46048e0bfb15b8d77d7a648c3e
SHA18952d3c34e9341e4425571e10f22b782695bb915
SHA256b440170853bdb43b66497f701aee2901080326975140b095a1669cb9dee13422
SHA512ca8ea2f7f3c7af21b5673a0a3f2611b6580a7ed02efa2cfd8b343eb644ff09682bde43b25ef7aab68530d5ce31dcbd252c382dd336ecb610d4c4ebde78347273
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\ProgramData\mozglue.dllFilesize
593KB
MD5c8fd9be83bc728cc04beffafc2907fe9
SHA195ab9f701e0024cedfbd312bcfe4e726744c4f2e
SHA256ba06a6ee0b15f5be5c4e67782eec8b521e36c107a329093ec400fe0404eb196a
SHA512fbb446f4a27ef510e616caad52945d6c9cc1fd063812c41947e579ec2b54df57c6dc46237ded80fca5847f38cbe1747a6c66a13e2c8c19c664a72be35eb8b040
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\ProgramData\nss3.dllFilesize
2.0MB
MD51cc453cdf74f31e4d913ff9c10acdde2
SHA16e85eae544d6e965f15fa5c39700fa7202f3aafe
SHA256ac5c92fe6c51cfa742e475215b83b3e11a4379820043263bf50d4068686c6fa5
SHA512dd9ff4e06b00dc831439bab11c10e9b2ae864ea6e780d3835ea7468818f35439f352ef137da111efcdf2bb6465f6ca486719451bf6cf32c6a4420a56b1d64571
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\Users\Admin\AppData\Local\Temp\uvk.0.exeFilesize
311KB
MD56a1950539f96cbb2cf816a413a68e07f
SHA16bff7074f3bfc7dfa00dd188ab8b620a8d986cc7
SHA256aa26475eeea5b19d3d052637a9e988e0250ae16190807889fc255065687c8780
SHA512be12aa463be7df2d66e6fbda1bb9eb783328b72e4b001904574d9541b9e13ad343e3e58f0febdf1196d39d69835b60a3bd475d3ed978945415f423c4fc0ef02d
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\Users\Admin\AppData\Local\Temp\uvk.2\run.exeFilesize
2.4MB
MD59fb4770ced09aae3b437c1c6eb6d7334
SHA1fe54b31b0db8665aa5b22bed147e8295afc88a03
SHA256a05b592a971fe5011554013bcfe9a4aaf9cfc633bdd1fe3a8197f213d557b8d3
SHA512140fee6daf23fe8b7e441b3b4de83554af804f00ecedc421907a385ac79a63164bd9f28b4be061c2ea2262755d85e14d3a8e7dc910547837b664d78d93667256
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memory/612-232-0x00000000FFFDE000-0x00000000FFFDF000-memory.dmpFilesize
4KB
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memory/612-231-0x00000000FFFDE000-0x00000000FFFDF000-memory.dmpFilesize
4KB
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memory/612-230-0x0000000072B30000-0x0000000073B92000-memory.dmpFilesize
16.4MB
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memory/612-233-0x0000000000400000-0x00000000004C6000-memory.dmpFilesize
792KB
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memory/1136-138-0x0000000000280000-0x0000000000380000-memory.dmpFilesize
1024KB
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memory/1136-137-0x0000000000400000-0x0000000001A3D000-memory.dmpFilesize
22.2MB
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memory/1136-2-0x0000000003190000-0x00000000031FD000-memory.dmpFilesize
436KB
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memory/1136-3-0x0000000000400000-0x0000000001A3D000-memory.dmpFilesize
22.2MB
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memory/1136-1-0x0000000000280000-0x0000000000380000-memory.dmpFilesize
1024KB
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memory/1724-151-0x0000000077500000-0x00000000776A9000-memory.dmpFilesize
1.7MB
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memory/1724-172-0x00000000741B0000-0x0000000074324000-memory.dmpFilesize
1.5MB
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memory/1724-144-0x00000000741B0000-0x0000000074324000-memory.dmpFilesize
1.5MB
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memory/2044-182-0x0000000077500000-0x00000000776A9000-memory.dmpFilesize
1.7MB
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memory/2044-228-0x00000000741B0000-0x0000000074324000-memory.dmpFilesize
1.5MB
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memory/2280-175-0x0000000000400000-0x0000000001A19000-memory.dmpFilesize
22.1MB
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memory/2280-181-0x0000000000400000-0x0000000001A19000-memory.dmpFilesize
22.1MB
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memory/2280-20-0x0000000061E00000-0x0000000061EF3000-memory.dmpFilesize
972KB