Analysis
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max time kernel
120s -
max time network
120s -
platform
windows7_x64 -
resource
win7-20240903-en -
resource tags
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submitted
29/10/2024, 02:56
General
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Target
39b50a694cdc91ceaaf66710fc8441810715083f7fe76fa2140a9a907eed6dd3N.exe
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Size
218KB
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MD5
40d9c5f48946f33a46dde24d6b80f980
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SHA1
10f200e2f6c31e13f301e256c9c3f95042884e6a
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SHA256
39b50a694cdc91ceaaf66710fc8441810715083f7fe76fa2140a9a907eed6dd3
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SHA512
9908428851ae3477b80b8f6cbbe56c8b3bf172752dc5700540906fa3b1b919803b8f606856499894a353f23666af2bddb616249c01c6f9fd8b8cd763b6284a51
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SSDEEP
3072:wvm4SZsQrNzPrl6rjGMjp39d4u8iqddCxMIJOb2o5DsBPjim6hwM2H6:e1SyAJp6rjn1gOObn4b6h9h
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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Loads dropped DLL 2 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 4 IoCs
Processes
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C:\Users\Admin\AppData\Local\Temp\39b50a694cdc91ceaaf66710fc8441810715083f7fe76fa2140a9a907eed6dd3N.exe"C:\Users\Admin\AppData\Local\Temp\39b50a694cdc91ceaaf66710fc8441810715083f7fe76fa2140a9a907eed6dd3N.exe"1⤵
- Loads dropped DLL
- 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
481B
MD5b517cbe8f4a6cd5aea8a48b1a665c497
SHA127c95bd4c67f55d38b1190ec25c2e2cc43bf50c9
SHA2568a9b2665bc535ca3e73746d373148897ae6472c53e005b03ffc90704b1703e2e
SHA5123bfd9ec042a12995a8e0ce510e1d4ae0430130a541a619492f4479a3a26a78d9dec1d3b4a75db8515d34d2c2aa404b610fea618f65437a83d0270068d1cbb7e6
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Filesize
218KB
MD50e7d0aac9711d16c18b9540037d1b19a
SHA1f734dcd339115c4ca5507ce8e134d6d702426a8a
SHA256515a31eaef57c9d33e11cc8ed3a757b2b302c8860a9bee85297b33d3de1c03d3
SHA512489748af7b25a0ddebdf4ecf40c02851afb9a929621c615367656a4c81de84cbc238cc4a0d20ce888462abe6b567c376b844600402e1dc87ea164034da62ecf3
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Filesize
324KB
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Filesize
380KB
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Filesize
380KB
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Filesize
324KB
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Filesize
1.7MB
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Filesize
1.7MB
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Filesize
1.7MB
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Filesize
672KB
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Filesize
672KB
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Filesize
672KB
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Filesize
672KB
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Filesize
1.7MB
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Filesize
672KB
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Filesize
672KB
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728KB
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728KB
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728KB
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728KB
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728KB
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728KB
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728KB
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728KB
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728KB
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728KB
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728KB
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728KB
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728KB
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728KB
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728KB
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Filesize
728KB