Analysis
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max time kernel
141s -
max time network
141s -
platform
windows7_x64 -
resource
win7-20240903-en -
resource tags
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submitted
30-11-2024 00:47
General
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Target
77eb44feed2a80daa5c4445b1d3976efbcbdadd6bc226953072a1dcea9c80510.exe
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Size
204KB
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MD5
1aae0ccd5d8cb5683857d1527228bf80
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SHA1
ed6e36d4f8d5bf34fdc7e547485f331a5ab94fdc
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SHA256
77eb44feed2a80daa5c4445b1d3976efbcbdadd6bc226953072a1dcea9c80510
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SHA512
219be367416c537fb805d439ab45e2f41c1d366a1b9e172bb8a8f367e86d82407e70728debf5b2c6cd2ded263e9bfd6d0bb37a6e9757217d04e298aa1beb5848
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SSDEEP
3072:e5u7yT4TVbkuRaX1w71jnRkCoyJTarYWbV+HOFxg+z1WxJsqWkoyjOowUVl/TlA4:eLexkuRaX41xoyJV65gzyZko+uch
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\77eb44feed2a80daa5c4445b1d3976efbcbdadd6bc226953072a1dcea9c80510.exe"C:\Users\Admin\AppData\Local\Temp\77eb44feed2a80daa5c4445b1d3976efbcbdadd6bc226953072a1dcea9c80510.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
1KB
MD5003cc4b70166e41af5f9c26efd42b391
SHA1658eb63fc2ca6bb3f65f5513811643ee48a79dc4
SHA2565620c3d353bb2682b3e11b3e6eef7c605aceef6b13b66dd81628be53db9d0099
SHA5121c82a664914254123fe5938a6ba797f69e569167f0ef1eb2001cb5e0d110d74fe626569628818451ba30e0e51fec83db6fc2f4b367260f0c86b950833077e999
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Filesize
204KB
MD50abb1a0a840725c5328dce7c2d5a94e1
SHA130571c12d835a738bdde520cc896a003c6ff1639
SHA25661cd035965b95afc7f6587b3fa07994e786b65f87a8c4125295fa1082e5e6a42
SHA512e365ee5e2c2a30748e17f22d9fb17f3dced188ee571b0051641ad7ea5c25749c3b6d161b79b055199af668b8a6505210c3a3cf923cca3ef196383080bd4195a2
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Filesize
1.5MB
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Filesize
324KB
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Filesize
380KB
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Filesize
1.5MB
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Filesize
380KB
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Filesize
324KB
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Filesize
1.5MB
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Filesize
1.5MB
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Filesize
672KB
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Filesize
1.5MB
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Filesize
672KB
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Filesize
672KB
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Filesize
672KB
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Filesize
672KB
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Filesize
1.5MB
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Filesize
672KB
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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