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Analysis
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max time kernel
149s -
max time network
151s -
platform
windows10-2004_x64 -
resource
win10v2004-20241007-en -
resource tags
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submitted
17/12/2024, 11:25
General
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Target
b4224ab6cd9da7ad95d37546044349d7eec73b4877c8003d43ac41f16936495b.exe
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Size
218KB
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MD5
aff18d8ea3b6d9a6c3de24f50d758d97
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SHA1
679a93807137bced60955decede1cb3f99212a82
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SHA256
b4224ab6cd9da7ad95d37546044349d7eec73b4877c8003d43ac41f16936495b
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SHA512
7cfff5537a3eeafb559bb6b5c4d9cc591ea8a9b2bd35b0212f17884e19b05c6515e1f14fe7dd894647513c4532ae352edaa64cdcbbc1c2cb2a6637657e4b69ea
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SSDEEP
3072:Dvm4SZsQrNzPrl6rjGMjp39d4u8iqddCxMIJOb2o5DsBPjim6hwM2Ha:71SyAJp6rjn1gOObn4b6h9R
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\b4224ab6cd9da7ad95d37546044349d7eec73b4877c8003d43ac41f16936495b.exe"C:\Users\Admin\AppData\Local\Temp\b4224ab6cd9da7ad95d37546044349d7eec73b4877c8003d43ac41f16936495b.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
61KB
MD565e193d1bf81ff2fd0bf2c74b6ceac46
SHA1a1706d8f335d56137192af8c5538a85d30193518
SHA256c7b564be727a08d6bf2dcf2d9ad2b87c286e3dbe988ddaa8bf034567e05ce1c0
SHA51238df6fda28317904f2585fd7061ddcfd64902346f5295cd990b94a39ec5cb50e92b4a2349b9cc7b9d9c1b87f36876b00b3e166f513b17f6cb0b8e1d8216b1a13
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Filesize
24KB
MD56b7ce99516928a7558cdd09e59f37e18
SHA169c0bd8403c2a59aba6f3f57ec9e74cfaa4a9dea
SHA256312a6775a1addeeea73048d4bf5d5e3ffd2b0ce7962da076d94c2c4a7a241284
SHA512a5eaec84882d247e7b93cc77accd3922d02466af583e9d1ac62f847e61190952f50a468a083ab49030c05ee37d1bf183c9ee6b52d5a07876922ffac67133bbc1
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Filesize
1KB
MD577a9e1d40c3546f540ea86d69c0c70d5
SHA10df09d33e52cdc0c304a91bac319621253a2e4e8
SHA256187239c6b7d4eac380f578d8366d49666028ab2dcc4f99f42cc21f13aca7a5d8
SHA51214d5eda48f4b3831950c5049587de2be4fad34ade5b98b5e77522d482e46559902b3c6df0baa38cba751ec423e3fdf8ade95c17767439d590d2db830179b7851
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Filesize
1KB
MD50dad13d045f04e5ea851939f5e8aaedb
SHA1e6ba1083cea1a386028b0ab5a1172c1071bad9e7
SHA2567e6cfb1987e861d349a464860748d02f8b821c4754f5466082b8eafa5bd00eb7
SHA5123905d6dd6ff70e5b3dafe8133f88922438df7860a3d5613e6338c0269354138d04d499052263c881571c5b9f397cb0ac9fae68e24ee48f849cb258d5b0ca3e96
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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
218KB
MD598f1acdcb2fcf5a45bef6383e972160d
SHA1168e644e5a506126ce41bac6683d87c8403887f6
SHA2568a4e6f9fd2b6ab169da8f34684e92bbc56a6bb7b25607082e1be3871f06cb06e
SHA512f9a9387af70693f0db9dc363d2441a203adbea1a86aa45dcdc30b8ab200282a250d1906a4c02ab7602d4b8852e967373543923d5090e8121f0ffce3fb48a6ba2
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Filesize
324KB
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Filesize
380KB
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Filesize
1.7MB
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Filesize
324KB
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Filesize
380KB
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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
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
672KB
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Filesize
1.7MB
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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