Analysis
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max time kernel
144s -
max time network
148s -
platform
windows10-2004_x64 -
resource
win10v2004-20241007-en -
resource tags
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submitted
02-01-2025 06:57
General
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Target
89ac391b6f5c735bbe010db7edfc967e10f61d155b3008ca957049d348d1a6fa.exe
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Size
355KB
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MD5
56d2e929d216372ca68c320a2cd90129
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SHA1
493eda1a437c54df5209c4ce7f2fe79541b247a1
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SHA256
89ac391b6f5c735bbe010db7edfc967e10f61d155b3008ca957049d348d1a6fa
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SHA512
960b5e8a8ab9d1f377d709ef0d0abbf0936ed3e054555507bf911d8a1bdb3ecca70c0d35b3d8769d8b93200f584a3e759cc80edb36d9f6642a370bf1956d7613
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SSDEEP
6144:9gEmWPDNND9yRPzLq+YXFqaZiMLic9kzVd7EAC4TSs9Ei9:7mWhND9yJz+b1FcMLmp2ATTSsd9
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\89ac391b6f5c735bbe010db7edfc967e10f61d155b3008ca957049d348d1a6fa.exe"C:\Users\Admin\AppData\Local\Temp\89ac391b6f5c735bbe010db7edfc967e10f61d155b3008ca957049d348d1a6fa.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
42KB
MD59a533bda2237ec534d9a5127af2702d0
SHA158bd1b1c6f7e44e8e44578ac5b7decd1cb7b8715
SHA256c4cc8adebec5717af0b118e092a7608b96bf1b17d8c64a3b6d2cc4c5fa43b4dc
SHA512a312e747adaf35151e2d1689e772803c5341d823d5e9873221bd10c93a11ce19457a2e761d2ef91dd442601f3fa7e30a8a4a5b764e572d340174e08eb57be1f0
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Filesize
162B
MD54f8e702cc244ec5d4de32740c0ecbd97
SHA13adb1f02d5b6054de0046e367c1d687b6cdf7aff
SHA2569e17cb15dd75bbbd5dbb984eda674863c3b10ab72613cf8a39a00c3e11a8492a
SHA51221047fea5269fee75a2a187aa09316519e35068cb2f2f76cfaf371e5224445e9d5c98497bd76fb9608d2b73e9dac1a3f5bfadfdc4623c479d53ecf93d81d3c9f
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Filesize
12KB
MD5e1f035b24ce0e8137682b703d19315b5
SHA118712fd6ad888c146237d187332ccc904ff1f032
SHA256117ea4f0f411e1aaeab307c087a57678abcba7e6aa96a5bd1f2d5d7026d453a0
SHA51217a428fcea9d064e8318f0ef30da88c713209f5d591d2a4e9725d56663acdb96996569693804071aea17ddc793eade219409c4548e48d1ddc8814662236bae7d
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Filesize
12KB
MD5caa300673c11a7627a7b6346e1a93b61
SHA17ecaf36f1e150c478b6cfc3446ec7f0c662c071a
SHA25642ae110a0ecd0d83c4f12314d42a585354b501856dc3c7b483123fcbc317f2aa
SHA512f11f1182d2fdc14b2c64e2221091e318f76c9a41824977c1a93bf2077300bba919ca4a01c80340c4c20d239ac6dbadf091f544891f0ec72df62a6cc11231faa6
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Filesize
61KB
MD5e88e905f2616b49fac6ad13dbab0c4f6
SHA1f534ba633e65a62892730840f1f5188512ab528c
SHA25665240f24dccd7dc5e1ff1855b667f41bcb5eedca45f8ddee3f455944495c37a9
SHA512d12a9bdc0e3f76b08f5ecba5dfc3cd3f28c885640fb56f97fb5651411ffcd045dc544c1c5eedabb220a4c24b6d1f175c69d49c6e1ff924b4a6c17f7902fea5da
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Filesize
61KB
MD52eba46564e304dd77758063964fb5e3a
SHA1b528fe466bfec7457ffe1f0f38bc086c8528e4d9
SHA25687ef5613b2e979930e8ed3432884f00a6df337a42369299fdc373f2c5bde0eb5
SHA51245e6bf78746f6f8c73679af4dc74ddba9ea040529167dc27542049b83f5d5dc13ef73d99238f441f1af119e425637ade086a37228a5dbd6b192f75e437fcb6ce
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Filesize
593B
MD5926512864979bc27cf187f1de3f57aff
SHA1acdeb9d6187932613c7fa08eaf28f0cd8116f4b5
SHA256b3e893a653ec06c05ee90f2f6e98cc052a92f6616d7cca8c416420e178dcc73f
SHA512f6f9fd3ca9305bec879cfcd38e64111a18e65e30d25c49e9f2cd546cbab9b2dcd03eca81952f6b77c0eaab20192ef7bef0d8d434f6f371811929e75f8620633b
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Filesize
24KB
MD5a92fb16528dd48b35cf900e0ba0808ab
SHA1d3916c19db3c64a3be66f59d332d91f8ff75797f
SHA2562af0b43991ada0f6a2227aa548ea29c71d46891f4d731ae24ff10be36ccc4619
SHA51219bd68f97025abf78bb5c859aa4c5b820f245fc14542acb29480f509433ad138927a34ddd2826a85f72adc757c35ef62aa3343be41b213c13db1e4a3aa7b4784
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Filesize
42KB
MD5b745790516ee85a18cfdbb3db87991e5
SHA1b7b1299a953a76fa3e756899ad60466fe349a819
SHA25678b0b3c483f0385b6a450bf492e6e7f74e2d48cb753e9ac03a00ee4a749ec889
SHA5125eb20490e47466e9eec835de83edd6a5326986d1fb80c549e0e618bf8b7781a11793e2d26e27958745ffd9d963e71f24d0b659b0985da31c7d0db2d969c02ebd
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Filesize
355KB
MD561f829819279ea8b2b05540502526ba3
SHA1db16ccfb8bda438902c5bf188bd0edb9151f95ba
SHA2564533ac29e90e0a9f28ae41d497fbafa6a2dfb1c959def55f75e09e0923bb54c4
SHA51228dbd2823d7397347ea5440d6f40d5cb41bf7fa982758fde77b4c80efed18043b47ac36df316417384471da481a972b1025e1fb422f2177565a1dc9c1a10fad7
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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
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Filesize
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Filesize
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Filesize
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Filesize
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Filesize
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Filesize
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Filesize
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Filesize
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Filesize
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Filesize
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Filesize
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Filesize
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Filesize
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Filesize
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Filesize
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Filesize
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Filesize
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Filesize
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Filesize
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Filesize
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Filesize
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Filesize
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Filesize
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Filesize
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Filesize
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Filesize
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Filesize
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Filesize
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Filesize
672KB
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728KB
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Filesize
380KB