Analysis
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max time kernel
116s -
max time network
120s -
platform
windows10-2004_x64 -
resource
win10v2004-20241007-en -
resource tags
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submitted
22/01/2025, 01:44
General
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Target
58938c7893909c0421a6e79f70c26472186dbaa1635c204832f55ad5083ecdffN.exe
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Size
213KB
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MD5
b84c64898ba2ca5f691fde1be512a5d0
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SHA1
ab6591322d0d8514a61302520fce5d56e82b2483
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SHA256
58938c7893909c0421a6e79f70c26472186dbaa1635c204832f55ad5083ecdff
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SHA512
146fac23a6e90c4e2dd4c3f4ff634f9ba27899eca90692c8d9a78a9755ed342a27b3cc683352606ee332e8f81de4d2d45e38416ba6a2ff968909fdcf278562b6
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SSDEEP
6144:8QfbXnEreyARNf+fIfvEEDi3EJ3FzbPotDy:rXkej+f4VDOEVdbgt
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\58938c7893909c0421a6e79f70c26472186dbaa1635c204832f55ad5083ecdffN.exe"C:\Users\Admin\AppData\Local\Temp\58938c7893909c0421a6e79f70c26472186dbaa1635c204832f55ad5083ecdffN.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
MD53b03d93d3487806337b5c6443ce7a62d
SHA193a7a790bb6348606cbdaf5daeaaf4ea8cf731d0
SHA2567392749832c70fcfc2d440d7afc2f880000dd564930d95d634eb1199fa15de30
SHA512770977beaeedafc5c98d0c32edc8c6c850f05e9f363bc9997fa73991646b02e5d40ceed0017b06caeab0db86423844bc4b0a9f0df2d8239230e423a7bfbd4a88
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Filesize
593B
MD5926512864979bc27cf187f1de3f57aff
SHA1acdeb9d6187932613c7fa08eaf28f0cd8116f4b5
SHA256b3e893a653ec06c05ee90f2f6e98cc052a92f6616d7cca8c416420e178dcc73f
SHA512f6f9fd3ca9305bec879cfcd38e64111a18e65e30d25c49e9f2cd546cbab9b2dcd03eca81952f6b77c0eaab20192ef7bef0d8d434f6f371811929e75f8620633b
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Filesize
213KB
MD51d234b871f1554996930c90cff13cd6d
SHA104af4d052ff9b0cfe771fbbc2e4a880fb4c57839
SHA256837de959109204761a4752666e25576b24d47b65c06673a31f8076c08a53bb71
SHA51263ae83cd7f7686a5c07b504e7c34df8db67dc7c7d1bed15c3115b51da12f7769d2c24913d05120b321c5d397da1a5ee309071cbb0b7f33091b56a7c430d7641b
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Filesize
2.3MB
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Filesize
324KB
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Filesize
380KB
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Filesize
2.3MB
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Filesize
380KB
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Filesize
324KB
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Filesize
728KB
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Filesize
728KB
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Filesize
2.3MB
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Filesize
672KB
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Filesize
2.3MB
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Filesize
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
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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
2.3MB
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Filesize
728KB
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Filesize
728KB
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Filesize
728KB
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Filesize
2.3MB
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Filesize
728KB
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Filesize
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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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
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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