Analysis
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max time kernel
149s -
max time network
150s -
platform
windows10-2004_x64 -
resource
win10v2004-20241007-en -
resource tags
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submitted
01-01-2025 04:12
General
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Target
e21d39502c7660a9f1cb76c46016b21bfe8f55b726bb445fb5e572ac2b80272d.exe
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Size
355KB
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MD5
e52bdcfe9de51a91153d0062e1489816
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SHA1
f90ff20243b75026acf67bcbce67df3c1035676c
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SHA256
e21d39502c7660a9f1cb76c46016b21bfe8f55b726bb445fb5e572ac2b80272d
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SHA512
f5f373868c7527428a8cb438175b3f62aedc908c6a647e546a9f674f5406ffc7f351a12a0b1605921d2a92a3bbe4851a05771d790662abb94279e3a8df87d696
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SSDEEP
6144:c3EmWPDNND9yRPzLq+YXFqaZiMLic9kzVd7EAC4TSs9EiS:XmWhND9yJz+b1FcMLmp2ATTSsdS
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\e21d39502c7660a9f1cb76c46016b21bfe8f55b726bb445fb5e572ac2b80272d.exe"C:\Users\Admin\AppData\Local\Temp\e21d39502c7660a9f1cb76c46016b21bfe8f55b726bb445fb5e572ac2b80272d.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
593B
MD53b03d93d3487806337b5c6443ce7a62d
SHA193a7a790bb6348606cbdaf5daeaaf4ea8cf731d0
SHA2567392749832c70fcfc2d440d7afc2f880000dd564930d95d634eb1199fa15de30
SHA512770977beaeedafc5c98d0c32edc8c6c850f05e9f363bc9997fa73991646b02e5d40ceed0017b06caeab0db86423844bc4b0a9f0df2d8239230e423a7bfbd4a88
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Filesize
593B
MD5926512864979bc27cf187f1de3f57aff
SHA1acdeb9d6187932613c7fa08eaf28f0cd8116f4b5
SHA256b3e893a653ec06c05ee90f2f6e98cc052a92f6616d7cca8c416420e178dcc73f
SHA512f6f9fd3ca9305bec879cfcd38e64111a18e65e30d25c49e9f2cd546cbab9b2dcd03eca81952f6b77c0eaab20192ef7bef0d8d434f6f371811929e75f8620633b
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Filesize
24KB
MD5a25bd455ef972648700a21f1d62cfda6
SHA12e36acae4a77df4ee92423ea6dc07a328adae726
SHA2569e7feeeff9e92c0e1db0c0f8663f7f3436134cd67bf6f42699b00838591be503
SHA51208ae509c66ea06907e5e3a0cc76058724091043d767ff47e1eb38b36d4c2599f9309d574a376f40dc90416eae77b693dfa9541f0f09f3f06df8070ceecc33c4b
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Filesize
355KB
MD5d7dd50a975f44c9b9cbc6c0c5d2180a3
SHA1996e55b0e78c33f7262000552ce8824ef97e91c0
SHA256afad18224ba0177639d91a4923629c8a28bfdb61773665e58f4821f80c3308ba
SHA512ab0464782a5c97509aef43780ab2fb6cf301fde487035513afdd24bbb7829f5de1cc4ce31c917b4b680a6b812ff18074015a5ef49fa1067a4faf6a8b7b2ea7d3
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Filesize
380KB
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Filesize
672KB
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Filesize
728KB
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728KB
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728KB