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Analysis
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max time kernel
141s -
max time network
140s -
platform
windows7_x64 -
resource
win7-20241023-en -
resource tags
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submitted
19/12/2024, 23:37
General
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Target
4f86d11e486080ce57a62c9b4133034af04f579980329d80d127dbafc984ef19.exe
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Size
218KB
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MD5
86db8d1ccedac698bde5cd9d41872b56
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SHA1
1cc46f878ff5dfbb49dde171362d3fc1532a5ebe
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SHA256
4f86d11e486080ce57a62c9b4133034af04f579980329d80d127dbafc984ef19
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SHA512
d8b4f94c1e291fd9293f1295754db9b5cf77de24170402534a550391b07b8812cd8da351c479dde055ad75137451c685cecf7f694105ed284a7c40330828a82b
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SSDEEP
3072:6vm4SZsQrNzPrl6rjGMjp39d4u8iqddCxMIJOb2o5DsBPjim6hwM2H6:M1SyAJp6rjn1gOObn4b6h9h
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\4f86d11e486080ce57a62c9b4133034af04f579980329d80d127dbafc984ef19.exe"C:\Users\Admin\AppData\Local\Temp\4f86d11e486080ce57a62c9b4133034af04f579980329d80d127dbafc984ef19.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
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Downloads
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Filesize
593B
MD5926512864979bc27cf187f1de3f57aff
SHA1acdeb9d6187932613c7fa08eaf28f0cd8116f4b5
SHA256b3e893a653ec06c05ee90f2f6e98cc052a92f6616d7cca8c416420e178dcc73f
SHA512f6f9fd3ca9305bec879cfcd38e64111a18e65e30d25c49e9f2cd546cbab9b2dcd03eca81952f6b77c0eaab20192ef7bef0d8d434f6f371811929e75f8620633b
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Filesize
1KB
MD5cebb67a7ac56a8fece8741dcd2c0f3e4
SHA11174bd966363292ca824eea7ce3ae79903e027b6
SHA25671970ea8541798501e1d4779735f63d7118ceee10c59ba7e76e55b19d1675021
SHA512fa75d25a7ea3ee60a2efe821c696e4561b7a25b750bf469b25044e9826aaf80d95a7c7317a612374b7acd93b81657e35fc5dfb4106b180e2e20b727376313bc6
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Filesize
218KB
MD525de8f422a82823555815ee650682c45
SHA1d6e51fe7bf828f1709d966f392a4dc14caea625d
SHA256d3e1a19144e80ec54240706a85e01065d9b5eb3c4611c2f14026db37570eb2f6
SHA5127581f670c0e8780a5c1e6fc09ce27f9cfd5a6271bde5aadf4be5d2575ec9e7f546c46bb6b82303db151802b832e00105c7ac1f23aed15ab10637bc8037f5941d
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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
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
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
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
380KB
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Filesize
324KB
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Filesize
324KB
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Filesize
380KB