Analysis
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max time kernel
118s -
max time network
126s -
platform
windows10-2004_x64 -
resource
win10v2004-20241007-en -
resource tags
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submitted
25-01-2025 14:05
General
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Target
b99ba7e16e2c7c65a06870ae4a6c76014f98a571af909a1fe76c155c50d4391e.exe
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Size
218KB
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MD5
29a08991ed9bb7730626b33726b2c0d3
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SHA1
6970f1e0cf31c78618f8025b0a9dffc12a9cf526
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SHA256
b99ba7e16e2c7c65a06870ae4a6c76014f98a571af909a1fe76c155c50d4391e
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SHA512
bd0e07abdf94a30ec12e4b15240b7de89b51afd63f59448e3dfb3d31d377c1a9ab32bba2763de60e8d6b081bc1469986e405d01cfe199e116484d53c7f267bf1
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SSDEEP
3072:avm4SZsQrNzPrl6rjGMjp39d4u8iqddCxMIJOb2o5DsBPjim6hwM2He:s1SyAJp6rjn1gOObn4b6h9j
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\b99ba7e16e2c7c65a06870ae4a6c76014f98a571af909a1fe76c155c50d4391e.exe"C:\Users\Admin\AppData\Local\Temp\b99ba7e16e2c7c65a06870ae4a6c76014f98a571af909a1fe76c155c50d4391e.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
Loading Replay Monitor...
Downloads
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Filesize
162B
MD54f8e702cc244ec5d4de32740c0ecbd97
SHA13adb1f02d5b6054de0046e367c1d687b6cdf7aff
SHA2569e17cb15dd75bbbd5dbb984eda674863c3b10ab72613cf8a39a00c3e11a8492a
SHA51221047fea5269fee75a2a187aa09316519e35068cb2f2f76cfaf371e5224445e9d5c98497bd76fb9608d2b73e9dac1a3f5bfadfdc4623c479d53ecf93d81d3c9f
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Filesize
593B
MD5926512864979bc27cf187f1de3f57aff
SHA1acdeb9d6187932613c7fa08eaf28f0cd8116f4b5
SHA256b3e893a653ec06c05ee90f2f6e98cc052a92f6616d7cca8c416420e178dcc73f
SHA512f6f9fd3ca9305bec879cfcd38e64111a18e65e30d25c49e9f2cd546cbab9b2dcd03eca81952f6b77c0eaab20192ef7bef0d8d434f6f371811929e75f8620633b
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Filesize
61KB
MD581d1b86294909fcb4b3dd0b47fd26fec
SHA1fe6a633f8a0e4e656c29b24bdca7eed1de3460dd
SHA25668ed282b512ab53a27c72f618fc3fa47303b34f5b733a2d5b79a17ef917f0d86
SHA5120905732de5a4535948ab33b3f6b2f9561eeeea621a0e2b0f8c38b2304c4c6fddc48096277098e5dbfa9a9a75c7322aca7fc1834c2bba1148f27e97f97160a1e2
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Filesize
24KB
MD599125a76f8a4460a177009da086617b8
SHA1e32fe0cc3bca04a67b9231a4ec8d003edf24478b
SHA256bd30b9f99772b1412167c5ecc009baddd8c7fb24fba03bc78b9a9a2b99edac27
SHA51284c2e37c03cf9d1333ba24be7ad0bc7b525bed205f7fb7a95ceeb3cf72620c7183a19cec38102cbd32a3409640fe7cf32123ed9abf6efd47c14cf4a68db39586
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Filesize
42KB
MD5a668d24071b74377eb4e983940820699
SHA14868f28630250d077f72cb1afe52f76da2cba6cb
SHA2560e8a21ddc9e07eb4754098d27a5aaa82f057e1e54bda4c93cd23bb2e3cae6635
SHA5122afde45a916daa85711e0d6e143a16bab7b9609c33d63acfbecd251a9165b8ee5916e253cd5917aa8baa99414f5618fec39d74e66364a25ad75f607b37ca12dc
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Filesize
42KB
MD5beee77ee7dd0840200ed504952e8eded
SHA16c1eeb6436a09dfab520a95dfacec904d64d1731
SHA25637f86ce75697717ab35dc5627b027c60ddbecd37f526bff9b5781e8b44a6723a
SHA5127ae1cf8b7ac9da66b5259c220e2c677edb08288a7aa8e7733807ff8f493d431ceb121dcdd5dfa4e14eaf9cab4c89edd27d51f7146eab99b16c511f48227ae664
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Filesize
218KB
MD5854d80d6b0aa7ec7a6a28d8b11dd2883
SHA1ecdec66662e1424a83585a4d365536ec249143bf
SHA256f44022704eec5f99e3e836afa64b0c068c397eeebb2474515a382a3d741b47d2
SHA512e06f74357c80cfd394561a32d36c5f9ae553e711f0a584c21f889168244423059cd6c019d70a020b3fe389d205960cc47aeecfd04f7a9cad5aae1f4d1c195f1d
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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
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
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
1.7MB
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Filesize
672KB
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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