Analysis
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max time kernel
111s -
max time network
117s -
platform
windows10-2004_x64 -
resource
win10v2004-20240802-en -
resource tags
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submitted
04/10/2024, 05:13
General
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Target
80b677b43dbf7a1ea5a65e48f7494eb541f0d8d5c0221b6960288f8a9afc5e1fN.exe
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Size
218KB
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MD5
393e29bb0a65e7c4c865e5fe4f172110
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SHA1
7bdcbbf3e7bb77cb322d03e01c442e344d9b587a
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SHA256
80b677b43dbf7a1ea5a65e48f7494eb541f0d8d5c0221b6960288f8a9afc5e1f
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SHA512
e5528f81b34f18ade94a9d7d49108fa0dfa81e7a5649174b93071b014254a5cb2e0d2ff8b0c5d11b4777e690da484514607b10d1c05dc77e6aac5b0832372e7d
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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
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\80b677b43dbf7a1ea5a65e48f7494eb541f0d8d5c0221b6960288f8a9afc5e1fN.exe"C:\Users\Admin\AppData\Local\Temp\80b677b43dbf7a1ea5a65e48f7494eb541f0d8d5c0221b6960288f8a9afc5e1fN.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
481B
MD56c351eab8eb86db38f17b8733f4f8247
SHA1f4b3ace136efaba0df3846863840d744db81c0ae
SHA2560cf7e68bbd549eca56acf7fe53eb439238fa936b8db976f02bca616a1eecb96f
SHA5125d1db5feb66c4af4addf29b73ee5116dcacaf07741f3d87ea550c6955fad11fa9e7b490ee9bfa3905f65be3ef912b7359516b31f5b45bbd8c9b0f48648c70c35
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Filesize
218KB
MD5a4c5accd91d9cd0ce1cc5106f67358e7
SHA1de6cd980061ec7463351686f9729f3882e0dbd7b
SHA2568c5632104aa24d0ce67368e9fabf71ce1cf9e82c72d84e8553d9b3d4a3f9c83b
SHA512bfd1c849469c7d263c8f06d4ddb5d64c335d0f979fd69db360a00ee5f1086a5f682e76d20c944d1c2e4b304569c1df9d9e9ed6283b509c6b4af0791cad89f478
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Filesize
324KB
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Filesize
380KB
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Filesize
1.7MB
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Filesize
324KB
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Filesize
380KB
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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
1.7MB
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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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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