Analysis
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max time kernel
118s -
max time network
119s -
platform
windows7_x64 -
resource
win7-20240729-en -
resource tags
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submitted
22-01-2025 16:53
General
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Target
170887da8734bee763d485db0291a331b5faba947c5ac0cecc8923bf9d84318f.exe
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Size
204KB
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MD5
494f5e34b1f3c103c7fdfa28e395e6f9
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SHA1
eb60e5a7d1857bc8beddc3098b4b146fc3dc144d
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SHA256
170887da8734bee763d485db0291a331b5faba947c5ac0cecc8923bf9d84318f
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SHA512
fe3ec713f9fb6f58ea09d3a7b47b32e2082424588bc9fc491d5aa14f6f408ab01fc391672f8ece77ce97244fc1a5517f24d84ff195f40b43c4f81716804d2016
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SSDEEP
3072:I5u7yT4TVbkuRaX1w71jnRkCoyJTarYWbV+HOFxg+z1WxJsqWkoyjOowUVl/TlA4:ILexkuRaX41xoyJV65gzyZko+ucj
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\170887da8734bee763d485db0291a331b5faba947c5ac0cecc8923bf9d84318f.exe"C:\Users\Admin\AppData\Local\Temp\170887da8734bee763d485db0291a331b5faba947c5ac0cecc8923bf9d84318f.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
42KB
MD52dc92ca648094231e47b003bf07f27a7
SHA15ab5f9b22a1ef18d844671c6a41e743a49cda095
SHA2564fbe779cd3baa093b2ebec67d7b451fc16ed4cb9aac357457ccdd5586fa202f4
SHA512e89dbdb888a0d4c2e49c5473066f3f7fa5672bb240e46c251419a60ddf47bc13f188e2eef658892934717e94c94cdb7927e7cbf2a1be23ffb0563732ba3bb82d
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Filesize
204KB
MD5c812f892ab59763df4835a8f26d2c28e
SHA104f666b9dfbd07b737b50e58537ffa2c3ebacbbc
SHA256698a3b793c5ff7007fbc1865fbe4af6648a6f9860e0c44183aeb6041064d17f4
SHA512161f1abdb2b04cc88c5bc6c35b3a5134c42c197bdc6ad7149098a75c750a02980c6301dd28f7056d8b04f1376fbdda511851d82d106993328d067271cd545314
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Filesize
728KB
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Filesize
728KB
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Filesize
672KB
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Filesize
1.5MB
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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
672KB
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Filesize
672KB
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Filesize
728KB
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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
1.5MB
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Filesize
1.5MB
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Filesize
1.5MB
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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
380KB
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Filesize
380KB
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Filesize
324KB
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Filesize
1.5MB
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Filesize
324KB
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Filesize
1.5MB