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Analysis
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max time kernel
114s -
max time network
119s -
platform
windows10-2004_x64 -
resource
win10v2004-20241007-en -
resource tags
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submitted
19/12/2024, 06:42
General
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Target
a53c5f84bbf7bf143a61a107e550b7b33e74953341cb5fe42aefbe96dee88267N.exe
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Size
208KB
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MD5
252b25e9d5964133888342b0b269b020
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SHA1
b79252c8fcb3a6c94fd520b666f4cbb219b57f6e
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SHA256
a53c5f84bbf7bf143a61a107e550b7b33e74953341cb5fe42aefbe96dee88267
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SHA512
f666a9d9f960caad2aa7c1d7c46b800f42d939d58ae1fafa193e60af5e672ba94bb4951197ea2ade5ffc42358ec456c3b79e8af73e03dc11fcea50ac4b8cd0cf
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SSDEEP
6144:uOYX27lPBA3YDMw4lj6idlMlwl7/79C87:uwBAy0rlMI5
Malware Config
Extracted
simda
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dga
gatyfus.com
lyvyxor.com
vojyqem.com
qetyfuv.com
puvyxil.com
gahyqah.com
lyryfyd.com
vocyzit.com
qegyqaq.com
purydyv.com
gacyzuz.com
lygymoj.com
vowydef.com
qexylup.com
pufymoq.com
gaqydeb.com
lyxylux.com
vofymik.com
qeqysag.com
puzylyp.com
gadyniw.com
lymysan.com
volykyc.com
qedynul.com
pumypog.com
galykes.com
lysynur.com
vonypom.com
qekykev.com
pupybul.com
Signatures
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Modifies WinLogon for persistence 2 TTPs 1 IoCs
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Simda family
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simda
Simda is an infostealer written in C++.
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Executes dropped EXE 1 IoCs
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Modifies WinLogon 2 TTPs 2 IoCs
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Drops file in Windows directory 2 IoCs
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System Location Discovery: System Language Discovery 1 TTPs 2 IoCs
Attempt gather information about the system language of a victim in order to infer the geographical location of that host.
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Suspicious behavior: EnumeratesProcesses 64 IoCs
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Suspicious behavior: RenamesItself 1 IoCs
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Suspicious use of WriteProcessMemory 3 IoCs
Processes
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C:\Users\Admin\AppData\Local\Temp\a53c5f84bbf7bf143a61a107e550b7b33e74953341cb5fe42aefbe96dee88267N.exe"C:\Users\Admin\AppData\Local\Temp\a53c5f84bbf7bf143a61a107e550b7b33e74953341cb5fe42aefbe96dee88267N.exe"1⤵
- Modifies WinLogon
- Drops file in Windows directory
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: RenamesItself
- Suspicious use of WriteProcessMemory
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C:\Windows\apppatch\svchost.exe"C:\Windows\apppatch\svchost.exe"2⤵
- Modifies WinLogon for persistence
- Executes dropped EXE
- Modifies WinLogon
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
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Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
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Filesize
162B
MD54f8e702cc244ec5d4de32740c0ecbd97
SHA13adb1f02d5b6054de0046e367c1d687b6cdf7aff
SHA2569e17cb15dd75bbbd5dbb984eda674863c3b10ab72613cf8a39a00c3e11a8492a
SHA51221047fea5269fee75a2a187aa09316519e35068cb2f2f76cfaf371e5224445e9d5c98497bd76fb9608d2b73e9dac1a3f5bfadfdc4623c479d53ecf93d81d3c9f
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Filesize
24KB
MD53c84adbb78edab2ff49e62abb08dc0d8
SHA1cf652e42554fae552c7301d3e1ebaf870ef0ca38
SHA256be1a7790338b1c448502d351c53536890066d8cfee80162150b38fae900b65e9
SHA51296dc3da0d7cd5853cd627762373b944afabace5b00652d9831e6b175db48782191124a0fa630b5b76cefa62da4a8fad2444dadaecdf652dea5f19075fa905d21
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Filesize
593B
MD53b03d93d3487806337b5c6443ce7a62d
SHA193a7a790bb6348606cbdaf5daeaaf4ea8cf731d0
SHA2567392749832c70fcfc2d440d7afc2f880000dd564930d95d634eb1199fa15de30
SHA512770977beaeedafc5c98d0c32edc8c6c850f05e9f363bc9997fa73991646b02e5d40ceed0017b06caeab0db86423844bc4b0a9f0df2d8239230e423a7bfbd4a88
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Filesize
593B
MD5926512864979bc27cf187f1de3f57aff
SHA1acdeb9d6187932613c7fa08eaf28f0cd8116f4b5
SHA256b3e893a653ec06c05ee90f2f6e98cc052a92f6616d7cca8c416420e178dcc73f
SHA512f6f9fd3ca9305bec879cfcd38e64111a18e65e30d25c49e9f2cd546cbab9b2dcd03eca81952f6b77c0eaab20192ef7bef0d8d434f6f371811929e75f8620633b
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Filesize
61KB
MD5bfd2cf627c818f6cc11ef92f7add305a
SHA13582395fd51a4a06501ad2e59152f3535fa04248
SHA2567a02c54dd96ccb0aa6d80c5d814eb0f6f782da2894fa6f1fb9ffb6a4d4c3dde1
SHA5129308b859c4d588b686de6c40c4ddbd2e3decd6ce1e4c93b264331d12eb4a3154dd22bd5e52ad204da627aee03220f2600dea6b52611498c57329449a5e9aebab
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Filesize
208KB
MD5044e94cc064d7cbe5e66fd2a6c059ecf
SHA1ff6adee6f16c508c65efd6191cd3c571cc06305a
SHA2563ed07b45a12c5ca2030e912a826cf6142919bb52ee06ca20d706ce821d595bf1
SHA51226d09ae5202505e675acea56d24251f49e7ae93d6df37a59a75896d222314f2b0b9f3c6cca1e7903d8787952432166c71fb60ccab0835e8167f13cecd4c09789
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Filesize
728KB
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Filesize
728KB
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Filesize
796KB
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Filesize
728KB
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Filesize
728KB
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Filesize
728KB
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Filesize
728KB
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Filesize
728KB
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Filesize
728KB
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Filesize
728KB
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Filesize
728KB
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Filesize
728KB
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Filesize
728KB
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Filesize
728KB
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Filesize
728KB
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Filesize
728KB
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Filesize
728KB
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Filesize
728KB
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Filesize
728KB
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Filesize
728KB
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Filesize
728KB
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Filesize
728KB
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Filesize
728KB
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Filesize
728KB
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Filesize
728KB
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Filesize
728KB
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Filesize
728KB
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Filesize
728KB
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Filesize
728KB
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Filesize
728KB
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Filesize
796KB
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Filesize
728KB
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Filesize
728KB
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Filesize
728KB
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Filesize
796KB
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Filesize
728KB
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Filesize
728KB
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Filesize
728KB
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Filesize
728KB
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Filesize
728KB
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Filesize
728KB
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Filesize
728KB
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Filesize
728KB
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Filesize
728KB
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Filesize
728KB
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Filesize
728KB
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Filesize
728KB
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Filesize
728KB
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Filesize
728KB
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Filesize
728KB
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Filesize
728KB
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Filesize
728KB
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Filesize
728KB
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Filesize
728KB
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Filesize
728KB
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Filesize
728KB
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Filesize
728KB
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Filesize
728KB
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Filesize
728KB
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Filesize
728KB
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Filesize
728KB
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Filesize
796KB
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Filesize
672KB
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Filesize
796KB
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Filesize
380KB
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Filesize
324KB
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Filesize
380KB
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Filesize
796KB
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Filesize
324KB