Analysis
-
max time kernel
148s -
max time network
151s -
platform
windows10-2004_x64 -
resource
win10v2004-20240426-en -
resource tags
arch:x64arch:x86image:win10v2004-20240426-enlocale:en-usos:windows10-2004-x64system -
submitted
22-05-2024 12:14
Static task
static1
Behavioral task
behavioral1
Sample
MSK203.exe
Resource
win7-20240221-en
Behavioral task
behavioral2
Sample
MSK203.exe
Resource
win10v2004-20240426-en
Behavioral task
behavioral3
Sample
$PLUGINSDIR/System.dll
Resource
win7-20240221-en
Behavioral task
behavioral4
Sample
$PLUGINSDIR/System.dll
Resource
win10v2004-20240426-en
General
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Target
MSK203.exe
-
Size
495KB
-
MD5
672127d627b0d1ffdc8f4f6a7f6a4697
-
SHA1
965c08f135e270201ca61122955104c0de39ad9f
-
SHA256
c26d121b096af68fc785a4e7fbd821c0c63a64abd2a64c9abf237fe98d0ddf42
-
SHA512
f3e6c7837c767944d7e14cac75e5844fa217cfdc3d6dcae575a7d0ad2740617cce9e53e6b28f947114708361570972150737c9c1e3663b5b3ee9fd55a2d6a746
-
SSDEEP
12288:Pbm37Owct5ERd1ZRad1I5eA2bZxeyCNNrmj:Pbms5EP1CAsZxse
Malware Config
Extracted
agenttesla
https://api.telegram.org/bot6859247669:AAER1Rty_3TqZr1VmGGzXWMbtAZFtnPCWCU/
Signatures
-
AgentTesla
Agent Tesla is a remote access tool (RAT) written in visual basic.
-
Loads dropped DLL 2 IoCs
Processes:
MSK203.exepid process 4856 MSK203.exe 4856 MSK203.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 local email clients 2 TTPs
Email clients store some user data on disk where infostealers will often target it.
-
Reads user/profile data of web browsers 2 TTPs
Infostealers often target stored browser data, which can include saved credentials etc.
-
Looks up external IP address via web service 2 IoCs
Uses a legitimate IP lookup service to find the infected system's external IP.
Processes:
flow ioc 25 api.ipify.org 24 api.ipify.org -
Suspicious use of NtCreateThreadExHideFromDebugger 1 IoCs
Processes:
MSK203.exepid process 264 MSK203.exe -
Suspicious use of NtSetInformationThreadHideFromDebugger 2 IoCs
Processes:
MSK203.exeMSK203.exepid process 4856 MSK203.exe 264 MSK203.exe -
Suspicious use of SetThreadContext 1 IoCs
Processes:
MSK203.exedescription pid process target process PID 4856 set thread context of 264 4856 MSK203.exe MSK203.exe -
Drops file in Windows directory 1 IoCs
Processes:
MSK203.exedescription ioc process File opened for modification C:\Windows\Fonts\Apoplektikerens\Chateaubriand.Exi MSK203.exe -
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
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Suspicious behavior: EnumeratesProcesses 2 IoCs
Processes:
MSK203.exepid process 264 MSK203.exe 264 MSK203.exe -
Suspicious behavior: MapViewOfSection 1 IoCs
Processes:
MSK203.exepid process 4856 MSK203.exe -
Suspicious use of AdjustPrivilegeToken 1 IoCs
Processes:
MSK203.exedescription pid process Token: SeDebugPrivilege 264 MSK203.exe -
Suspicious use of WriteProcessMemory 5 IoCs
Processes:
MSK203.exedescription pid process target process PID 4856 wrote to memory of 264 4856 MSK203.exe MSK203.exe PID 4856 wrote to memory of 264 4856 MSK203.exe MSK203.exe PID 4856 wrote to memory of 264 4856 MSK203.exe MSK203.exe PID 4856 wrote to memory of 264 4856 MSK203.exe MSK203.exe PID 4856 wrote to memory of 264 4856 MSK203.exe MSK203.exe
Processes
-
C:\Users\Admin\AppData\Local\Temp\MSK203.exe"C:\Users\Admin\AppData\Local\Temp\MSK203.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
PID:4856 -
C:\Users\Admin\AppData\Local\Temp\MSK203.exe"C:\Users\Admin\AppData\Local\Temp\MSK203.exe"2⤵
- Suspicious use of NtCreateThreadExHideFromDebugger
- Suspicious use of NtSetInformationThreadHideFromDebugger
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:264
-
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
Loading Replay Monitor...
Downloads
-
Filesize
12KB
MD5cff85c549d536f651d4fb8387f1976f2
SHA1d41ce3a5ff609df9cf5c7e207d3b59bf8a48530e
SHA2568dc562cda7217a3a52db898243de3e2ed68b80e62ddcb8619545ed0b4e7f65a8
SHA512531d6328daf3b86d85556016d299798fa06fefc81604185108a342d000e203094c8c12226a12bd6e1f89b0db501fb66f827b610d460b933bd4ab936ac2fd8a88
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Filesize
45B
MD534d32f9b446e46883ec3157794403748
SHA1e797e81a28e395ea751871b21e638e43d62d0f61
SHA256a66d886953526d5601da515e1aa53a3f8cbc829aedd557cdf4d0f9573793486e
SHA51248b0f49ca3604f5a21cb2b850ac19771a17e0fa03cf0b3d6e616e330f136c71dcc623ac36b5b801c4fda203327290b8e3f5ec01a0ea546a87c2ae89a88b74ed1
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Filesize
52B
MD55d04a35d3950677049c7a0cf17e37125
SHA1cafdd49a953864f83d387774b39b2657a253470f
SHA256a9493973dd293917f3ebb932ab255f8cac40121707548de100d5969956bb1266
SHA512c7b1afd95299c0712bdbc67f9d2714926d6ec9f71909af615affc400d8d2216ab76f6ac35057088836435de36e919507e1b25be87b07c911083f964eb67e003b
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Filesize
47B
MD5404b93a1dab1c4253a40a1c056dd65c2
SHA192e6feb269bdd27189f5497813056eddd2f73688
SHA2568c62bd50f059ad9bcd19b76646f083dbd701d38ebfdc9f3ad0ac3759760fc976
SHA512d36c664b16e4b6504ba3ce567d818aac5e65b2f4f6fef9afd8077f5844616032cfe4e4c3c0eb0a85fd711a0451aa964a9db9c86dd827df6cf243dbf5cdb6ade7
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Filesize
56B
MD52c77bbd52333e4144ba070082eac42d6
SHA1d5570ca72f198bd75e1f0d241f0dd69986877ea4
SHA25654695e5022b16a8b57b4995eabb2d2b2212e0f3fc6ddad15cb2bbc5798fa3c04
SHA512c800b128aee9e19cfa614be129deed3a440263ff5b58d801e4929ceebf5a930eba8efe948c70e163294a4dabe993a6dcc24f3ca3cef859877da852919dce4162
-
Filesize
69B
MD53f9d86b820955195e9467112480c175c
SHA1c9b53af6ff79125000b5aee2afb33ce6575d4d31
SHA256ab4b36271e68b6e5b546158733c5450e775242021442a40bec4e42838eecca53
SHA512ed78bd4b7b9b953bf73b1156872864b68ba1b46b3c2e5d21c56766217ec8b70e6421796a9d31716a94d62d81cf7a2c9f83735ea7c229881d4845c70364b77a17
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Filesize
53B
MD56601def372fd604346cc14113dbe6c2f
SHA155b5e2406ef28e7c45a60acc6f90795cc088493d
SHA256f4bf549b30bb96f31c7aec31e319438324daac5f7483e906beadb08ce285bb0c
SHA5124eae5d296860b66377467aea0e6b6077f2bd993c151c29e2d1428c1d262c49ab4f8ef91cc6a7857f9054a1c86c59f08b8d9168754f5e66f021c2d4a05fffb451
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Filesize
70B
MD5f603843c4b1146c576a2c9e0826de265
SHA15de71ba33c20cfb74c19c706a4a44706d78fb102
SHA256ada9d1ffc0e78d2e2c05290b4ba1b1b04bc9c97a8f8e084ae0d49e36a9bb9c0c
SHA5127a5a8ebc1c12193783ae711eb4716c1a2e52d1c4799dcd7f2a29924c246b1c665f456de3eaffd5e9cd7f42e788009e2798d1121c8d695698c86349bff17d5e8a
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Filesize
74B
MD516d513397f3c1f8334e8f3e4fc49828f
SHA14ee15afca81ca6a13af4e38240099b730d6931f0
SHA256d3c781a1855c8a70f5aca88d9e2c92afffa80541334731f62caa9494aa8a0c36
SHA5124a350b790fdd2fe957e9ab48d5969b217ab19fc7f93f3774f1121a5f140ff9a9eaaa8fa30e06a9ef40ad776e698c2e65a05323c3adf84271da1716e75f5183c3
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Filesize
12B
MD509d54140ca4897a5dc46fec5c04cb530
SHA15f528588450ff2d2119ccb7bbd651dc4a75ed8a4
SHA256b7d98304a9d2f018fb3187cb06ec6c706412af7bee852eb48d23dde3e410a917
SHA512a8931cfef08e50c9fbed7dcf96eadfd0ff23c0852a05c922c1eb019333ecf8586cc2c1b2f1d2588d5c0aa733b151c72ad3b203280979c54dfa74e773876e1f2e
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Filesize
17B
MD5e3e52271695d789252499380bab83be2
SHA1a87dda09a98f8ed7ada5db378914743c76acee6f
SHA25696f0ffcdf2308d036f51f1fad5fb1e501f7137ab3c010c165210530c105d9be4
SHA51257f2aa081f3b2c756861dbab5296c1f143026b2f178b45746411fa6e0852fbf0106415801ae99d5d30fecc944296b453fb1b258e9df2f6669c0a8fb6d4a780aa
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Filesize
23B
MD5742d3f392842fd0a5ebecea567c2af34
SHA1b680bc716a2b53ef6af5edcbf222e6ac2606e1e8
SHA256c7c952a7580d506f694240eb56e705a182561523c14116ab5aab1c2c87f886bf
SHA5121642176efc91de80dd89412d982f8c9b1b53a0c96067fdbb70cc04a94c0d37d18caee0bdfab9666930af4e50ad37fdb5335e58c210b67fa59420044d4130aedf
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Filesize
30B
MD5f15bfdebb2df02d02c8491bde1b4e9bd
SHA193bd46f57c3316c27cad2605ddf81d6c0bde9301
SHA256c87f2ff45bb530577fb8856df1760edaf1060ae4ee2934b17fdd21b7d116f043
SHA5121757ed4ae4d47d0c839511c18be5d75796224d4a3049e2d8853650ace2c5057c42040de6450bf90dd4969862e9ebb420cd8a34f8dd9c970779ed2e5459e8f2f1
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Filesize
13B
MD51783e9a8f74ea827208a35b5a8c0c0b4
SHA168913138931e5d1cdf495708cf86d082454dc6cf
SHA25620ed8777c986040dba3187aab791c6df6f87f42c3002b15bcc8bfa9718d842e8
SHA5128da8702b8e97de4d9cd9c294574e10363e34f3cf7796b1e2c78be543a482472922be3d75a716c67b63a291b898528531c132553ef20174ea99eb3bd37ac3608b
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Filesize
15B
MD503789c00a9fe96c420d84fe30cbd902c
SHA1c3e589ccd78b4e000d7d294a0d308dfd385a1f43
SHA256b157a4d58f55726c15605ad776c9c961b28e1ce295d3ebcbad6ac80e5f2c9503
SHA51216b8866f73666e76b5fd8e04d362a9907accee835e2814197829a06b6f8442ca2ac6aef98960afcaedf64ad403e53374eb59746716dd5b4257d26d4ebfff72a6
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Filesize
27B
MD5a4fef08db3bf7402436db287f01bb2fc
SHA166c9356fcc83fdda2e04821fa06ab8bee4f26720
SHA25692bbc71aa04b34f3d6666861e615244db3d3be6f1287b3947115ea9d0e98a5d7
SHA5123da695803076c9b338d9fac3d9da91ac8e0f8b4fb28665ad175325684a5688e83f56bff62766d99583ea9b2a0e394ad64f4fff3fc45b3fe154e6b4026ef7a44a
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Filesize
32B
MD5a9a74595348b4a93b3a30bf42998610f
SHA1ed9f656eae407e09455daa884b3bd25824a007f1
SHA256a65b32f25f6401bb88c26d40f7517149a03f585619d056cf583b0d0a2f3fe21b
SHA51235a8bb75a88a0152cfe260a76a120452877eeea953572ccda2bdacc29bd72740838efcf3ff6f02c691153a3779cb65c2763ed54972532395dc1b197a2ea902eb
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Filesize
60B
MD56905490802a6c440fab7bc3299682016
SHA17212e3db4f3387c8ff2daee9a94067db11a218be
SHA2560fc3d8084bd0470747f5e0ecb10127bbf64b1b7618ab5a819db38e4b839d3451
SHA512fcf7b1927605f76bd61d0f5c467b040f210d37ae99477f1a1984cc84037c2b7b461c668e1ba993dcb4e9393c2c7a16ac2b42ba2e97d4e18121ba18d800a04a1d