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Analysis
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max time kernel
114s -
max time network
117s -
platform
windows10-2004_x64 -
resource
win10v2004-20241007-en -
resource tags
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submitted
26/12/2024, 06:24
General
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Target
b740369aabac0268c5c4535cdc10a6940983e5d7ab5dc1405655c44ec1825d02N.exe
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Size
218KB
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MD5
d0ee15950bd5d81ce89feda14b91eaa0
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SHA1
32aa3483aab5c8bad03481a9b12b4596746c88d4
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SHA256
b740369aabac0268c5c4535cdc10a6940983e5d7ab5dc1405655c44ec1825d02
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SHA512
a8259ac1456c4ff93a6d52fdcbaf31833ad730a3a71c4b6f6531728dc153add27d39da1fd2b6444e0461e1f3bcf5e36a4b64e3ec991472b2e38485499071f4ee
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SSDEEP
3072:evm4SZsQrNzPrl6rjGMjp39d4u8iqddCxMIJOb2o5DsBPjim6hwM2H6:g1SyAJp6rjn1gOObn4b6h9h
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\b740369aabac0268c5c4535cdc10a6940983e5d7ab5dc1405655c44ec1825d02N.exe"C:\Users\Admin\AppData\Local\Temp\b740369aabac0268c5c4535cdc10a6940983e5d7ab5dc1405655c44ec1825d02N.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
593B
MD53b03d93d3487806337b5c6443ce7a62d
SHA193a7a790bb6348606cbdaf5daeaaf4ea8cf731d0
SHA2567392749832c70fcfc2d440d7afc2f880000dd564930d95d634eb1199fa15de30
SHA512770977beaeedafc5c98d0c32edc8c6c850f05e9f363bc9997fa73991646b02e5d40ceed0017b06caeab0db86423844bc4b0a9f0df2d8239230e423a7bfbd4a88
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Filesize
593B
MD5926512864979bc27cf187f1de3f57aff
SHA1acdeb9d6187932613c7fa08eaf28f0cd8116f4b5
SHA256b3e893a653ec06c05ee90f2f6e98cc052a92f6616d7cca8c416420e178dcc73f
SHA512f6f9fd3ca9305bec879cfcd38e64111a18e65e30d25c49e9f2cd546cbab9b2dcd03eca81952f6b77c0eaab20192ef7bef0d8d434f6f371811929e75f8620633b
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Filesize
24KB
MD5fc6a7a337ed882a21590ed29a52707b7
SHA16d08f6dc2ee15f5d91793a120f7de1ac4bd40e31
SHA256802d4c6f5666bff06ea5ac50f61124c2d42d6105cb2f0a1c839e52bc4d3233af
SHA5122248600f495affdf6dedca33724121eeb3a4a2c1bdaa48cf9ba8b010183fad162db50d9485333f8acd1bac315bc714b6485033887f43903c53f46a5c1a7ff857
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Filesize
61KB
MD53aaa66f36007a065b6cf5908406c2d45
SHA131f86fcc8ab0cf02f93f519ccf1cbeec244b5283
SHA2562b0c66c13658b49c1e46bb5d3cf7a2e33411524f6fbcf8881c4662ab1129d540
SHA512022451ad9b2f52dbdbe68b8980604261b0ea073a07ffe176ec03b58a04d079a8f1a7aece602a91118905d7b6e014b7b6a3448eb6b4be474085a662124839f7e0
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Filesize
218KB
MD51b4c669fd7e9790e00795a63bbc1c983
SHA18ccd84be623d352ae6e49b3e138cb74feca2e74e
SHA256f9f2dcf3c116f057392a4ad00e18ae031562f33f9a287cd1f1dbc572b265ea01
SHA512383c8c290c592055c5f26da46dda7a36b9a03319892858e532695ffae8aaa22ea2ff3d3d44fc8fafa98a832b0624ca902f2a7929b6d2fe06ba46cb10edb9eab5
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Filesize
324KB
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Filesize
380KB
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Filesize
1.7MB
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Filesize
380KB
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Filesize
324KB
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Filesize
728KB
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Filesize
728KB
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Filesize
1.7MB
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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
1.7MB
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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
672KB
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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
1.7MB
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Filesize
728KB
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Filesize
728KB
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Filesize
728KB
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Filesize
728KB