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Analysis
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max time kernel
118s -
max time network
120s -
platform
windows10-2004_x64 -
resource
win10v2004-20241007-en -
resource tags
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submitted
01/01/2025, 22:37
General
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Target
935f7046419595211f30a933b103da80e6b7c0d6728fa121f17426a13aec64ec.exe
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Size
208KB
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MD5
19ec7aeaf821b7e4668a914ba1947b7c
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SHA1
c1a69b5a68842c87f53ffbf924e399fd93b95eae
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SHA256
935f7046419595211f30a933b103da80e6b7c0d6728fa121f17426a13aec64ec
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SHA512
520dac4acf892983da7495ea20d538b7ce0538e969e70b75c6974bbfa8b49f365c9972ebf66e18a9030a753e7c9cbc8d12464de3fd1417249550bbcdfbb0d4e2
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SSDEEP
6144:ra1oB/yvpK0JCmRcRRR8N0e2kXfCqNidkfkg:rbapK0JCmRcU9vVokfR
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\935f7046419595211f30a933b103da80e6b7c0d6728fa121f17426a13aec64ec.exe"C:\Users\Admin\AppData\Local\Temp\935f7046419595211f30a933b103da80e6b7c0d6728fa121f17426a13aec64ec.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
MD5926512864979bc27cf187f1de3f57aff
SHA1acdeb9d6187932613c7fa08eaf28f0cd8116f4b5
SHA256b3e893a653ec06c05ee90f2f6e98cc052a92f6616d7cca8c416420e178dcc73f
SHA512f6f9fd3ca9305bec879cfcd38e64111a18e65e30d25c49e9f2cd546cbab9b2dcd03eca81952f6b77c0eaab20192ef7bef0d8d434f6f371811929e75f8620633b
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Filesize
61KB
MD56d56a0f80d420435f082616f72b80102
SHA1968c50136510eba7e04c35f3aa0268f15dd27846
SHA256663caf4bb6ddebce64de0207f2215a0e2f0de0185ba22154ccd2e6730031c612
SHA5127b549242e76f31fa5dc578e246fa5651ea08959f75393a94cb00f3495d9ea6d609b39b0c2defceaed9822f0f8c22e5e90c4984a9c2ab5876904610d0f60bc55c
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Filesize
41KB
MD525634b4151cd4ad5a360b55fbe75b368
SHA1601a63cfd44aa5800954219808bfaac6832cfe76
SHA25609f9186acfcd1b33ae0901fcda0da4f1bc4de6da5f87bac221f95e92a003c2fc
SHA5125a0314f84203ffb4d432f54665548c317220b02564080e30f024ce336392033dd78869fc47fd097769235e649c9daa5908c3d28fcf7ccfa6238f18a5a8927c40
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Filesize
41KB
MD59f91ab0be5ee97952815365168966490
SHA13e403d641776bc6c28ebb3eec40a601867228c9e
SHA256502de2a21486199bc5af53d15dc14fa1cdf05f05d520a0a9dfd28a07594f3ff6
SHA512edad6cfa9c9d2e77c979f9c5adafc7a3d2d686f051a749c4493ddacbc968bef9cddb6d58fe521f246aa9d478d4eed1a802ad0b662f5e4198ffbabf68c25aa2e2
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Filesize
208KB
MD51604386f030e7e29090ec6c84dc78361
SHA19a09eaf383f270444a41867ad68e3ad7abdb5c4d
SHA256dd5eeb260d2456b57e6cd7c8fdbb9ce2c53d33b75ddd1a55104a6730037ae0b3
SHA512e91fb78bf26671fe367beeba8d43c671e7262406447895872ab8a758ae1d1df23f303ca09fb3cca6b57b166c7402418d69d03f5e6073d462d0a32a4792fc4cb6
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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
412KB
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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
412KB
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Filesize
672KB
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Filesize
412KB
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Filesize
12KB
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Filesize
380KB
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Filesize
12KB
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Filesize
380KB
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Filesize
412KB