Analysis
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max time kernel
140s -
max time network
141s -
platform
windows7_x64 -
resource
win7-20240221-en -
resource tags
arch:x64arch:x86image:win7-20240221-enlocale:en-usos:windows7-x64system -
submitted
28-04-2024 01:21
Static task
static1
Behavioral task
behavioral1
Sample
4b05ccc0559802176482ef748aa2864d7650ee6da2e6563c2118c14e0cb8c34a.exe
Resource
win7-20240221-en
General
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Target
4b05ccc0559802176482ef748aa2864d7650ee6da2e6563c2118c14e0cb8c34a.exe
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Size
347KB
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MD5
22ea99c3408e7c0f32fecf3391427a58
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SHA1
897335d05e4d3ed0cc8ae4591b2094f01b6cb369
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SHA256
4b05ccc0559802176482ef748aa2864d7650ee6da2e6563c2118c14e0cb8c34a
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SHA512
28357a24e3649bf80352d0f6a62efe437a78f607900b9b6ef8d98978f74208b8c8c4c2f316be4765c655c51b071b3ab7884f96da6dd2e46c77dd83c20ef7f244
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SSDEEP
6144:ToBqFgnH6oK/xcYNKD8r+syjBJw45rtMLYC43J9fa7nxNHnKT:EawahCYgD8CsKJw4/MchjCnM
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/1596-236-0x0000000000400000-0x00000000004C6000-memory.dmp family_sectoprat -
Detect binaries embedding considerable number of MFA browser extension IDs. 2 IoCs
Processes:
resource yara_rule behavioral1/memory/2072-182-0x0000000000400000-0x0000000001A18000-memory.dmp INDICATOR_SUSPICIOUS_Binary_Embedded_MFA_Browser_Extension_IDs behavioral1/memory/2072-230-0x0000000000400000-0x0000000001A18000-memory.dmp INDICATOR_SUSPICIOUS_Binary_Embedded_MFA_Browser_Extension_IDs -
Detect binaries embedding considerable number of cryptocurrency wallet browser extension IDs. 2 IoCs
Processes:
resource yara_rule behavioral1/memory/2072-182-0x0000000000400000-0x0000000001A18000-memory.dmp INDICATOR_SUSPICIOUS_Binary_Embedded_Crypto_Wallet_Browser_Extension_IDs behavioral1/memory/2072-230-0x0000000000400000-0x0000000001A18000-memory.dmp INDICATOR_SUSPICIOUS_Binary_Embedded_Crypto_Wallet_Browser_Extension_IDs -
Detects binaries (Windows and macOS) referencing many web browsers. Observed in information stealers. 2 IoCs
Processes:
resource yara_rule behavioral1/memory/2072-182-0x0000000000400000-0x0000000001A18000-memory.dmp INDICATOR_SUSPICIOUS_Binary_References_Browsers behavioral1/memory/2072-230-0x0000000000400000-0x0000000001A18000-memory.dmp INDICATOR_SUSPICIOUS_Binary_References_Browsers -
Downloads MZ/PE file
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Executes dropped EXE 2 IoCs
Processes:
u1sc.0.exerun.exepid process 2072 u1sc.0.exe 1264 run.exe -
Loads dropped DLL 12 IoCs
Processes:
4b05ccc0559802176482ef748aa2864d7650ee6da2e6563c2118c14e0cb8c34a.exerun.exeu1sc.0.execmd.exepid process 2316 4b05ccc0559802176482ef748aa2864d7650ee6da2e6563c2118c14e0cb8c34a.exe 2316 4b05ccc0559802176482ef748aa2864d7650ee6da2e6563c2118c14e0cb8c34a.exe 2316 4b05ccc0559802176482ef748aa2864d7650ee6da2e6563c2118c14e0cb8c34a.exe 2316 4b05ccc0559802176482ef748aa2864d7650ee6da2e6563c2118c14e0cb8c34a.exe 2316 4b05ccc0559802176482ef748aa2864d7650ee6da2e6563c2118c14e0cb8c34a.exe 2316 4b05ccc0559802176482ef748aa2864d7650ee6da2e6563c2118c14e0cb8c34a.exe 2316 4b05ccc0559802176482ef748aa2864d7650ee6da2e6563c2118c14e0cb8c34a.exe 2316 4b05ccc0559802176482ef748aa2864d7650ee6da2e6563c2118c14e0cb8c34a.exe 1264 run.exe 2072 u1sc.0.exe 2072 u1sc.0.exe 2040 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 1264 set thread context of 2040 1264 run.exe cmd.exe PID 2040 set thread context of 1596 2040 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:
u1sc.0.exedescription ioc process Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString u1sc.0.exe Key opened \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0 u1sc.0.exe -
Suspicious behavior: EnumeratesProcesses 6 IoCs
Processes:
u1sc.0.exerun.execmd.exepid process 2072 u1sc.0.exe 1264 run.exe 1264 run.exe 2040 cmd.exe 2040 cmd.exe 2072 u1sc.0.exe -
Suspicious behavior: MapViewOfSection 3 IoCs
Processes:
run.execmd.exepid process 1264 run.exe 2040 cmd.exe 2040 cmd.exe -
Suspicious use of AdjustPrivilegeToken 1 IoCs
Processes:
MSBuild.exedescription pid process Token: SeDebugPrivilege 1596 MSBuild.exe -
Suspicious use of SetWindowsHookEx 2 IoCs
Processes:
run.exepid process 1264 run.exe 1264 run.exe -
Suspicious use of WriteProcessMemory 22 IoCs
Processes:
4b05ccc0559802176482ef748aa2864d7650ee6da2e6563c2118c14e0cb8c34a.exerun.execmd.exedescription pid process target process PID 2316 wrote to memory of 2072 2316 4b05ccc0559802176482ef748aa2864d7650ee6da2e6563c2118c14e0cb8c34a.exe u1sc.0.exe PID 2316 wrote to memory of 2072 2316 4b05ccc0559802176482ef748aa2864d7650ee6da2e6563c2118c14e0cb8c34a.exe u1sc.0.exe PID 2316 wrote to memory of 2072 2316 4b05ccc0559802176482ef748aa2864d7650ee6da2e6563c2118c14e0cb8c34a.exe u1sc.0.exe PID 2316 wrote to memory of 2072 2316 4b05ccc0559802176482ef748aa2864d7650ee6da2e6563c2118c14e0cb8c34a.exe u1sc.0.exe PID 2316 wrote to memory of 1264 2316 4b05ccc0559802176482ef748aa2864d7650ee6da2e6563c2118c14e0cb8c34a.exe run.exe PID 2316 wrote to memory of 1264 2316 4b05ccc0559802176482ef748aa2864d7650ee6da2e6563c2118c14e0cb8c34a.exe run.exe PID 2316 wrote to memory of 1264 2316 4b05ccc0559802176482ef748aa2864d7650ee6da2e6563c2118c14e0cb8c34a.exe run.exe PID 2316 wrote to memory of 1264 2316 4b05ccc0559802176482ef748aa2864d7650ee6da2e6563c2118c14e0cb8c34a.exe run.exe PID 2316 wrote to memory of 1264 2316 4b05ccc0559802176482ef748aa2864d7650ee6da2e6563c2118c14e0cb8c34a.exe run.exe PID 2316 wrote to memory of 1264 2316 4b05ccc0559802176482ef748aa2864d7650ee6da2e6563c2118c14e0cb8c34a.exe run.exe PID 2316 wrote to memory of 1264 2316 4b05ccc0559802176482ef748aa2864d7650ee6da2e6563c2118c14e0cb8c34a.exe run.exe PID 1264 wrote to memory of 2040 1264 run.exe cmd.exe PID 1264 wrote to memory of 2040 1264 run.exe cmd.exe PID 1264 wrote to memory of 2040 1264 run.exe cmd.exe PID 1264 wrote to memory of 2040 1264 run.exe cmd.exe PID 1264 wrote to memory of 2040 1264 run.exe cmd.exe PID 2040 wrote to memory of 1596 2040 cmd.exe MSBuild.exe PID 2040 wrote to memory of 1596 2040 cmd.exe MSBuild.exe PID 2040 wrote to memory of 1596 2040 cmd.exe MSBuild.exe PID 2040 wrote to memory of 1596 2040 cmd.exe MSBuild.exe PID 2040 wrote to memory of 1596 2040 cmd.exe MSBuild.exe PID 2040 wrote to memory of 1596 2040 cmd.exe MSBuild.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\4b05ccc0559802176482ef748aa2864d7650ee6da2e6563c2118c14e0cb8c34a.exe"C:\Users\Admin\AppData\Local\Temp\4b05ccc0559802176482ef748aa2864d7650ee6da2e6563c2118c14e0cb8c34a.exe"1⤵
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
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C:\Users\Admin\AppData\Local\Temp\u1sc.0.exe"C:\Users\Admin\AppData\Local\Temp\u1sc.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\u1sc.2\run.exe"C:\Users\Admin\AppData\Local\Temp\u1sc.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 use of AdjustPrivilegeToken
Network
MITRE ATT&CK Matrix ATT&CK v13
Replay Monitor
Loading Replay Monitor...
Downloads
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C:\Users\Admin\AppData\Local\Temp\U1SC1~1.ZIPFilesize
3.7MB
MD578d3ca6355c93c72b494bb6a498bf639
SHA12fa4e5df74bfe75c207c881a1b0d3bc1c62c8b0e
SHA256a1dd547a63b256aa6a16871ed03f8b025226f7617e67b8817a08444df077b001
SHA5121b2df7bee2514aee7efd3579f5dd33c76b40606d07dba69a34c45747662fad61174db4931bca02b058830107959205e889fee74f8ccc9f6e03f9fd111761f4ea
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C:\Users\Admin\AppData\Local\Temp\ae22eb5eFilesize
1.4MB
MD502898ba75d98efb3adec4dd4b0d70f92
SHA1a2015c6cef611434dd5dc0cae4c3d9cf7319bb83
SHA25601e711889ffa5e911606e80d2dfb608180d39d2ed51032c30f730ea18dde30f7
SHA51209c116ad756ebc4e53e30c10f3b13b1cb77edbb29abafef68652cb51a32189aebb3281df84c56deaf42e45602f48b3d4e5b5d7fde0a05bc46a72eae16b3f8aff
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C:\Users\Admin\AppData\Local\Temp\tmp981C.tmpFilesize
20KB
MD5c9ff7748d8fcef4cf84a5501e996a641
SHA102867e5010f62f97ebb0cfb32cb3ede9449fe0c9
SHA2564d3f3194cb1133437aa69bb880c8cbb55ddf06ff61a88ca6c3f1bbfbfd35d988
SHA512d36054499869a8f56ac8547ccd5455f1252c24e17d2b185955390b32da7e2a732ace4e0f30f9493fcc61425a2e31ed623465f998f41af69423ee0e3ed1483a73
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C:\Users\Admin\AppData\Local\Temp\u1sc.2\UIxMarketPlugin.dllFilesize
1.6MB
MD5d1ba9412e78bfc98074c5d724a1a87d6
SHA10572f98d78fb0b366b5a086c2a74cc68b771d368
SHA256cbcea8f28d8916219d1e8b0a8ca2db17e338eb812431bc4ad0cb36c06fd67f15
SHA5128765de36d3824b12c0a4478c31b985878d4811bd0e5b6fba4ea07f8c76340bd66a2da3490d4871b95d9a12f96efc25507dfd87f431de211664dbe9a9c914af6f
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C:\Users\Admin\AppData\Local\Temp\u1sc.2\bunch.datFilesize
1.3MB
MD51e8237d3028ab52821d69099e0954f97
SHA130a6ae353adda0c471c6ed5b7a2458b07185abf2
SHA2569387488f9d338e211be2cb45109bf590a5070180bc0d4a703f70d3cb3c4e1742
SHA512a6406d7c18694ee014d59df581f1f76e980b68e3361ae680dc979606a423eba48d35e37f143154dd97fe5f066baf0ea51a2e9f8bc822d593e1cba70ead6559f3
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C:\Users\Admin\AppData\Local\Temp\u1sc.2\relay.dllFilesize
1.5MB
MD510d51becd0bbce0fab147ff9658c565e
SHA14689a18112ff876d3c066bc8c14a08fd6b7b7a4a
SHA2567b2db9c88f60ed6dd24b1dec321a304564780fdb191a96ec35c051856128f1ed
SHA51229faf493bb28f7842c905adc5312f31741effb09f841059b53d73b22aea2c4d41d73db10bbf37703d6aeb936ffacbc756a3cc85ba3c0b6a6863ef4d27fefcd29
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C:\Users\Admin\AppData\Local\Temp\u1sc.2\run.exeFilesize
2.4MB
MD59fb4770ced09aae3b437c1c6eb6d7334
SHA1fe54b31b0db8665aa5b22bed147e8295afc88a03
SHA256a05b592a971fe5011554013bcfe9a4aaf9cfc633bdd1fe3a8197f213d557b8d3
SHA512140fee6daf23fe8b7e441b3b4de83554af804f00ecedc421907a385ac79a63164bd9f28b4be061c2ea2262755d85e14d3a8e7dc910547837b664d78d93667256
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C:\Users\Admin\AppData\Local\Temp\u1sc.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\u1sc.0.exeFilesize
308KB
MD52ff02a230388a96b3762a5d12eef74b5
SHA19a53bacfeaa9c4d9cc2521424c9512fb1ef66bc2
SHA25674b45e62fedd53688e8db6ebf12c6a21ad5c2968fa6b4edcfbdc2e9b185f7443
SHA51230227a39ac06547cfdd34bb06c7099292c842e68b2220b9b1be7ddf3992456f3bf027cd77660e8071f310a88afc441193c2967eb873846d92681f04e0e9fa119
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memory/1264-140-0x0000000074120000-0x0000000074294000-memory.dmpFilesize
1.5MB
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memory/1264-141-0x0000000077470000-0x0000000077619000-memory.dmpFilesize
1.7MB
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memory/1264-171-0x0000000074120000-0x0000000074294000-memory.dmpFilesize
1.5MB
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memory/1596-235-0x00000000FFFDE000-0x00000000FFFDF000-memory.dmpFilesize
4KB
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memory/1596-234-0x00000000FFFDE000-0x00000000FFFDF000-memory.dmpFilesize
4KB
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memory/1596-233-0x00000000729F0000-0x0000000073A52000-memory.dmpFilesize
16.4MB
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memory/1596-236-0x0000000000400000-0x00000000004C6000-memory.dmpFilesize
792KB
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memory/2040-183-0x0000000077470000-0x0000000077619000-memory.dmpFilesize
1.7MB
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memory/2040-231-0x0000000074120000-0x0000000074294000-memory.dmpFilesize
1.5MB
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memory/2072-230-0x0000000000400000-0x0000000001A18000-memory.dmpFilesize
22.1MB
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memory/2072-182-0x0000000000400000-0x0000000001A18000-memory.dmpFilesize
22.1MB
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memory/2072-20-0x0000000061E00000-0x0000000061EF3000-memory.dmpFilesize
972KB
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memory/2316-2-0x0000000000230000-0x000000000029D000-memory.dmpFilesize
436KB
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memory/2316-127-0x0000000000400000-0x0000000002B15000-memory.dmpFilesize
39.1MB
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memory/2316-131-0x0000000002C90000-0x0000000002D90000-memory.dmpFilesize
1024KB
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memory/2316-3-0x0000000000400000-0x0000000002B15000-memory.dmpFilesize
39.1MB
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memory/2316-1-0x0000000002C90000-0x0000000002D90000-memory.dmpFilesize
1024KB