Analysis
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max time kernel
149s -
max time network
151s -
platform
windows10-2004_x64 -
resource
win10v2004-20240508-en -
resource tags
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submitted
22-05-2024 17:51
General
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Target
Aviso legal.exe
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Size
821KB
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MD5
c7ae7bfda7f71b76c6f3213cfe94529e
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SHA1
eebcb778056a8fa9a33255141d70ffac41523caf
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SHA256
93b75e7f99768d86cb26282a3164d806d36a2c890fb7d367f0cf389a75d304d4
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SHA512
70326a8b9f6c7d99f82e32f0116b23e2b879bbea3235b03e7510a080ffbbeabc2620b09be4406a2a2b28b62c0679a3ee56e39b7398991693c80da0d84fe43fd2
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SSDEEP
12288:8bBFvUojlMVWIhWL7Uc8Eh8xn8mWpXS0iNrmY:8bPvUohIWIhko9xnVWpCH
Malware Config
Extracted
agenttesla
https://api.telegram.org/bot6994888350:AAFqI19L4KkGo55n9P5XziXuBSULg-rdpEc/
Signatures
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AgentTesla
Agent Tesla is a remote access tool (RAT) written in visual basic.
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Loads dropped DLL 2 IoCs
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Reads WinSCP keys stored on the system 2 TTPs
Tries to access WinSCP stored sessions.
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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 local email clients 2 TTPs
Email clients store some user data on disk where infostealers will often target it.
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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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Looks up external IP address via web service 2 IoCs
Uses a legitimate IP lookup service to find the infected system's external IP.
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Suspicious use of NtCreateThreadExHideFromDebugger 1 IoCs
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Suspicious use of NtSetInformationThreadHideFromDebugger 2 IoCs
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Suspicious use of SetThreadContext 1 IoCs
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Drops file in Windows directory 1 IoCs
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Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
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Suspicious behavior: EnumeratesProcesses 2 IoCs
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Suspicious behavior: MapViewOfSection 1 IoCs
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Suspicious use of AdjustPrivilegeToken 1 IoCs
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Suspicious use of WriteProcessMemory 5 IoCs
Processes
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C:\Users\Admin\AppData\Local\Temp\Aviso legal.exe"C:\Users\Admin\AppData\Local\Temp\Aviso legal.exe"1⤵
- Loads dropped DLL
- Suspicious use of NtSetInformationThreadHideFromDebugger
- Suspicious use of SetThreadContext
- Drops file in Windows directory
- Suspicious behavior: MapViewOfSection
- Suspicious use of WriteProcessMemory
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C:\Users\Admin\AppData\Local\Temp\Aviso legal.exe"C:\Users\Admin\AppData\Local\Temp\Aviso legal.exe"2⤵
- Suspicious use of NtCreateThreadExHideFromDebugger
- Suspicious use of NtSetInformationThreadHideFromDebugger
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
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Network
MITRE ATT&CK Enterprise v15
Replay Monitor
Loading Replay Monitor...
Downloads
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Filesize
52B
MD55d04a35d3950677049c7a0cf17e37125
SHA1cafdd49a953864f83d387774b39b2657a253470f
SHA256a9493973dd293917f3ebb932ab255f8cac40121707548de100d5969956bb1266
SHA512c7b1afd95299c0712bdbc67f9d2714926d6ec9f71909af615affc400d8d2216ab76f6ac35057088836435de36e919507e1b25be87b07c911083f964eb67e003b
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Filesize
30B
MD5f15bfdebb2df02d02c8491bde1b4e9bd
SHA193bd46f57c3316c27cad2605ddf81d6c0bde9301
SHA256c87f2ff45bb530577fb8856df1760edaf1060ae4ee2934b17fdd21b7d116f043
SHA5121757ed4ae4d47d0c839511c18be5d75796224d4a3049e2d8853650ace2c5057c42040de6450bf90dd4969862e9ebb420cd8a34f8dd9c970779ed2e5459e8f2f1
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Filesize
74B
MD516d513397f3c1f8334e8f3e4fc49828f
SHA14ee15afca81ca6a13af4e38240099b730d6931f0
SHA256d3c781a1855c8a70f5aca88d9e2c92afffa80541334731f62caa9494aa8a0c36
SHA5124a350b790fdd2fe957e9ab48d5969b217ab19fc7f93f3774f1121a5f140ff9a9eaaa8fa30e06a9ef40ad776e698c2e65a05323c3adf84271da1716e75f5183c3
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Filesize
12KB
MD5cff85c549d536f651d4fb8387f1976f2
SHA1d41ce3a5ff609df9cf5c7e207d3b59bf8a48530e
SHA2568dc562cda7217a3a52db898243de3e2ed68b80e62ddcb8619545ed0b4e7f65a8
SHA512531d6328daf3b86d85556016d299798fa06fefc81604185108a342d000e203094c8c12226a12bd6e1f89b0db501fb66f827b610d460b933bd4ab936ac2fd8a88
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Filesize
11B
MD5f9e81875c2ac80cd228ff7615d6e6183
SHA1bc60a68ab8522806b30affd832b5866643ec2031
SHA25654d26d86b2ebde0a52271df5d2bcc911d881ada35d5716076d0411672f78e7b1
SHA5126173811b6e692e85ac091f9e53ad9e392dc9853087756dae6907ae45b73704c1084ad64bb9730871b6f7dd16d871dfcf089fcf19746cbee68b783a691937d1d7
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Filesize
60B
MD52d45b071bce5847e12b6308c981e1ab7
SHA15bc8e983895acd8ed0d5bb4fc48355cf5871ed2c
SHA2563e9039677f7626a652276f60ecb67b20cd004050af6d7cec32d237591254cb81
SHA512e838c8c079a8ca453eaa5509df7fe8340329afbf6e6205938ebcac23a98514b7465e8ab7cc9e1be1af10423ab87c8f1797013b58dffcc3d29a35a792d8f05ebc
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Filesize
29B
MD590d4148f2c3df01640574cf198642bff
SHA180df93c47461df2096af940f6ff710cc3b103a5d
SHA256603018413ce2875406e3ef08d7ba9a2f086539f1d1ed1023efea06b635c426fc
SHA5120e407fe7c335c47b7a81cd77fc17b3db6d179342b3d05d103663e5fa7780d9d496e4a9ea462dc5f66cc4708a67c02aec395a08d73b6e52f3c4fa490b89ac4d7e
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Filesize
56B
MD5c599d20101d8532a39fefbec3a4162a9
SHA16215d1abf9002230448221e1ebdcb2916df29cb3
SHA256db2d57c0d52d8989de271b0b5440e043c7c93b4f58092de80a1c1e569f5327b2
SHA512df32094a64597c11d96b2844ea097c960cf39901508dcdf9d0892e2879706d2b6a178d1f798a1ba22613091c79b11ba468b21ad04f7856c8be3cfd517330df93
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Filesize
18.3MB
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Filesize
7.7MB
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Filesize
4KB
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Filesize
4KB
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Filesize
7.7MB
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Filesize
1.1MB
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Filesize
4KB
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Filesize
264KB
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Filesize
5.6MB
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Filesize
408KB
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Filesize
4KB
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Filesize
320KB
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Filesize
584KB
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Filesize
40KB
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Filesize
4KB
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Filesize
1.1MB