Analysis
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max time kernel
119s -
max time network
124s -
platform
windows10-2004_x64 -
resource
win10v2004-20241007-en -
resource tags
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submitted
24-01-2025 21:18
General
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Target
23aa738d639611262d5d87a111ebface480c86414de68a46cc181ec1fb5aa026.exe
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Size
218KB
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MD5
121dbc48e362589af5212eafe5c3683f
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SHA1
8b69b37eed194c550dbb01b714793f0a05256b50
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SHA256
23aa738d639611262d5d87a111ebface480c86414de68a46cc181ec1fb5aa026
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SHA512
2558d530a9a2cfee237ebe9253cd378c4c8df38a4e919da6ae9cc0581737191808391707133f7ea011c578a68bc07e5472f2ba14d040e9c198d2ac45f65e9611
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SSDEEP
3072:ovm4SZsQrNzPrl6rjGMjp39d4u8iqddCxMIJOb2o5DsBPjim6hwM2Ha:m1SyAJp6rjn1gOObn4b6h9R
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\23aa738d639611262d5d87a111ebface480c86414de68a46cc181ec1fb5aa026.exe"C:\Users\Admin\AppData\Local\Temp\23aa738d639611262d5d87a111ebface480c86414de68a46cc181ec1fb5aa026.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
593B
MD5926512864979bc27cf187f1de3f57aff
SHA1acdeb9d6187932613c7fa08eaf28f0cd8116f4b5
SHA256b3e893a653ec06c05ee90f2f6e98cc052a92f6616d7cca8c416420e178dcc73f
SHA512f6f9fd3ca9305bec879cfcd38e64111a18e65e30d25c49e9f2cd546cbab9b2dcd03eca81952f6b77c0eaab20192ef7bef0d8d434f6f371811929e75f8620633b
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Filesize
24KB
MD5512a78b9caa3e3b87e674c934bebe8ca
SHA1ae7964786f7cdf03fd724fbac9c3be952554b908
SHA2566ae00b58675ea906e9a30d62b4b1b95638a6c03fec5afee29885bf7af338e3d9
SHA5122d668886c16291f285eb3038126a0e36dc5fa740895afe9020418d777c46c707764fbc730bc6c41363e6e2cccbdaafe9a7318182cb1ed9d7ad9332f4ea0821d1
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Filesize
61KB
MD53fa1f07b2d451fa71f0ce97b7f1ace40
SHA16ff7fe13bbd45d07fdd9ca832236a9c363e796d7
SHA2563891d4ea503636d27a94c7ac7c134be7a7c4b2b94dbb861955e0fd6d1494ef10
SHA5120fd627f636fb38b2435487ff239817e6b1ca663622ceb951dfab221380267ec8078a1a4f9eb1b4007f90440effb7a3842d6c97422dacf340997a450f7241711c
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Filesize
218KB
MD50f7ef9f0bfb8b754c4389bbf9e47f942
SHA15f85af24b321ebb7dbdb50acd820bf25aad0c927
SHA256cf7bf9e20a4ffae0666cf861bc99785425d7f88fb391d2185329b4c84d9d93a0
SHA512fb3b26239da26b75e537f98c12500ee49278a09f5a6e4c9b1aba1725f2836bf2b48ceb03a64a392502ac86ac67f16c1c04f0c64ba36186fbc825309c4c2638fb
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Filesize
324KB
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Filesize
380KB
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Filesize
324KB
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Filesize
380KB
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Filesize
1.7MB
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Filesize
728KB
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Filesize
728KB
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Filesize
672KB
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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
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
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