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Analysis
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max time kernel
120s -
max time network
125s -
platform
windows7_x64 -
resource
win7-20241010-en -
resource tags
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submitted
26/12/2024, 06:24
General
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Target
b740369aabac0268c5c4535cdc10a6940983e5d7ab5dc1405655c44ec1825d02N.exe
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Size
218KB
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MD5
d0ee15950bd5d81ce89feda14b91eaa0
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SHA1
32aa3483aab5c8bad03481a9b12b4596746c88d4
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SHA256
b740369aabac0268c5c4535cdc10a6940983e5d7ab5dc1405655c44ec1825d02
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SHA512
a8259ac1456c4ff93a6d52fdcbaf31833ad730a3a71c4b6f6531728dc153add27d39da1fd2b6444e0461e1f3bcf5e36a4b64e3ec991472b2e38485499071f4ee
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SSDEEP
3072:evm4SZsQrNzPrl6rjGMjp39d4u8iqddCxMIJOb2o5DsBPjim6hwM2H6:g1SyAJp6rjn1gOObn4b6h9h
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\b740369aabac0268c5c4535cdc10a6940983e5d7ab5dc1405655c44ec1825d02N.exe"C:\Users\Admin\AppData\Local\Temp\b740369aabac0268c5c4535cdc10a6940983e5d7ab5dc1405655c44ec1825d02N.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
12KB
MD5caa300673c11a7627a7b6346e1a93b61
SHA17ecaf36f1e150c478b6cfc3446ec7f0c662c071a
SHA25642ae110a0ecd0d83c4f12314d42a585354b501856dc3c7b483123fcbc317f2aa
SHA512f11f1182d2fdc14b2c64e2221091e318f76c9a41824977c1a93bf2077300bba919ca4a01c80340c4c20d239ac6dbadf091f544891f0ec72df62a6cc11231faa6
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Filesize
42KB
MD5a644e9ebbee9bcf5004ac1f2b73a9137
SHA11d60f252b1dbf09f4c302cda511f723b4dae01be
SHA25652b7283940f8b4e293bd1c399592c71683971e6a1803dcbf2f4225ef288a7a5b
SHA51260e406b3d7f248e06b12c693422df8388d1b14ddeccca7fa4b2deef955d7ff9f5fcd1ed8da1583e58636367536319754a2bf987ce7dc0b83ade908fc8db6dc03
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Filesize
24KB
MD513d8426597000446a39212893afc01dd
SHA19cf275eadc9a5c4505580b7a39099a0711ae6ba5
SHA2565897ea78c62f33fe89dc3c140d56100df3e9e2ae132395f18b4bff09e1091030
SHA512c872da4b6a34283eeea7c957c97f7b395836c3dcec394260df3053bbdd6dbeff23d0725039babdae877dc24bac000258d4a5eb7d9bc22861488074a555d67824
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Filesize
218KB
MD59eb979b04262dec20be9ae094f41851e
SHA19636a49aa5da1f6be0f1f2f9c28d3e6af33413f6
SHA256b5fa9d4127b46150aa9d20c09e88f749d54827cf8b030d43986102445eaffcda
SHA512d568c299d74fa274aa524436f41c7908b4e673bd1c2665eb58d2aa53700328f0b3b48f350a0c6d3e440c714679975d85522935ea791510c1d161bee0f08e9c19
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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
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
1.7MB
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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
-
Filesize
728KB
-
Filesize
728KB
-
Filesize
728KB
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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
672KB
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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