Analysis
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max time kernel
150s -
max time network
150s -
platform
windows7_x64 -
resource
win7-20240729-en -
resource tags
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submitted
19-01-2025 09:59
General
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Target
da8d9d243ae5b2bd88d1035ed2bbf315ddf2d99c2da01d9f2d4d4a8a3a484ac3.exe
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Size
355KB
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MD5
cb3ddb2cdbd7088ac36f01a7175c226d
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SHA1
77be4e72e4a43ed6ac8aa9f1aae75f53664418a2
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SHA256
da8d9d243ae5b2bd88d1035ed2bbf315ddf2d99c2da01d9f2d4d4a8a3a484ac3
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SHA512
346a7df291c370b85f250469707535468a65df3f7159e359511b22f4c65c6b395d7a7065f897185ddbdd76710b5c30ae2612998a0884d8fd9f6fb7c4c75a5509
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SSDEEP
6144:cgEmWPDNND9yRPzLq+YXFqaZiMLic9kzVd7EAC4TSs9Ei:emWhND9yJz+b1FcMLmp2ATTSsd
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\da8d9d243ae5b2bd88d1035ed2bbf315ddf2d99c2da01d9f2d4d4a8a3a484ac3.exe"C:\Users\Admin\AppData\Local\Temp\da8d9d243ae5b2bd88d1035ed2bbf315ddf2d99c2da01d9f2d4d4a8a3a484ac3.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
162B
MD54f8e702cc244ec5d4de32740c0ecbd97
SHA13adb1f02d5b6054de0046e367c1d687b6cdf7aff
SHA2569e17cb15dd75bbbd5dbb984eda674863c3b10ab72613cf8a39a00c3e11a8492a
SHA51221047fea5269fee75a2a187aa09316519e35068cb2f2f76cfaf371e5224445e9d5c98497bd76fb9608d2b73e9dac1a3f5bfadfdc4623c479d53ecf93d81d3c9f
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Filesize
593B
MD5926512864979bc27cf187f1de3f57aff
SHA1acdeb9d6187932613c7fa08eaf28f0cd8116f4b5
SHA256b3e893a653ec06c05ee90f2f6e98cc052a92f6616d7cca8c416420e178dcc73f
SHA512f6f9fd3ca9305bec879cfcd38e64111a18e65e30d25c49e9f2cd546cbab9b2dcd03eca81952f6b77c0eaab20192ef7bef0d8d434f6f371811929e75f8620633b
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Filesize
24KB
MD5d08d56e8295a811737b4a5c9aeada60f
SHA18ab154163bcfc5ed30e85fd16ccb4ce0d4c0900d
SHA25607248165d80d28e913fcf100a99dd14483faf86d361644466c25473f66fbc1d1
SHA512530f88b388dc9030fd8ded20a396dcc916bc8cea15e431a958d71da560389652c2e72fa760d1e8a8958cb07e796d35d71d3111a0353806b0da086da5c270dbe8
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Filesize
42KB
MD520c5d103107864368662a2053dc26ba4
SHA19e01c0152a9651f7ce32acf4153fd0444d38d8dd
SHA256f479b3af61e11ca8802edb5d32e21c710ad7f2975301fd204cb6260b1ec25eb0
SHA5123d0ee9fd4577d734922b9dcf727fa3b94c7fca6a58548cb628546621b568ee140b8999ff08ea893bb053c69ff3149539037285d129c5bae046aec5491f659f08
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Filesize
355KB
MD5d924f9a733824c7a9de00646b3294bbe
SHA1f9212af5192ff21921844c2a24a2e3ba7a2bfd26
SHA256e0bd034f13745528f0165c885aaf36d120fec8ec7351d0a9d42c5f5c300dc563
SHA512857bf59c34bf28483470c66a6586de0e8b90869cbb567c36d856beba20426416be75eed3378da1ba5cd9ef45113e5a1a0af18b1c1a949dda885b47033e279c75
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Filesize
380KB
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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
672KB
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Filesize
672KB
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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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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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Filesize
728KB
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Filesize
728KB
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728KB
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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