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Analysis
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max time kernel
144s -
max time network
150s -
platform
windows10-2004_x64 -
resource
win10v2004-20241007-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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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\4f86d11e486080ce57a62c9b4133034af04f579980329d80d127dbafc984ef19.exe"C:\Users\Admin\AppData\Local\Temp\4f86d11e486080ce57a62c9b4133034af04f579980329d80d127dbafc984ef19.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
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Downloads
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Filesize
1KB
MD5e25d2e5754aaf00b979e1626612d3631
SHA189ac3b5ca251743b9d5354368904a24b44ff1b05
SHA256bb36e738b2bbe77639e0915c2859792501b160a8c3fe8f008de8d4468f6435b4
SHA512a9719c50802d4b45afc8fe3938d07b43940535896225a7f1679c4e585772ab6b86d9cdb5cabba86c152baca602d7763f35b61bfa85765cea8ae1bd70babe8799
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Filesize
218KB
MD5751cf44709543ad938b06892acc2b822
SHA1cd4dafb8bcc5d0c3eb5be1a4b70900717c3ac058
SHA25641773ca111bb1ac783a6a4ef6bd17308c29d65dff8d1089efbee302f8e5f8e11
SHA512cb1d9753827a11770027b258c24dd81f63f43eb4078c86cd7a0f55d864f81c8b5bb7facc3d97f41e19894ac9ac88651a5387ee66fc530067aff7a6ffadd31ca0
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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
1.7MB
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728KB
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