Analysis
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max time kernel
144s -
max time network
148s -
platform
windows7_x64 -
resource
win7-20240903-en -
resource tags
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submitted
12-01-2025 04:34
General
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Target
a13f992a5576ecc3bb5c2f4d161a3350b5a3350b6c866657b608bb0f001daaca.exe
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Size
355KB
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MD5
76a55d2612514810167f02001e26ef1f
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SHA1
d3cf25f38f74f4ccc9a2123444648c02e1e7c991
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SHA256
a13f992a5576ecc3bb5c2f4d161a3350b5a3350b6c866657b608bb0f001daaca
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SHA512
100661bd25507ee78eca7db75b9b9006e4727d211d1c20348186216e32f24a13bf436a98a3fc6883c53820febca61e20d4d33c07f98726652cca1f69b6da8831
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SSDEEP
6144:f3EmWPDNND9yRPzLq+YXFqaZiMLic9kzVd7EAC4TSs9EiS:cmWhND9yJz+b1FcMLmp2ATTSsdS
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\a13f992a5576ecc3bb5c2f4d161a3350b5a3350b6c866657b608bb0f001daaca.exe"C:\Users\Admin\AppData\Local\Temp\a13f992a5576ecc3bb5c2f4d161a3350b5a3350b6c866657b608bb0f001daaca.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
Loading Replay Monitor...
Downloads
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Filesize
162B
MD54f8e702cc244ec5d4de32740c0ecbd97
SHA13adb1f02d5b6054de0046e367c1d687b6cdf7aff
SHA2569e17cb15dd75bbbd5dbb984eda674863c3b10ab72613cf8a39a00c3e11a8492a
SHA51221047fea5269fee75a2a187aa09316519e35068cb2f2f76cfaf371e5224445e9d5c98497bd76fb9608d2b73e9dac1a3f5bfadfdc4623c479d53ecf93d81d3c9f
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Filesize
42KB
MD518f00b72f568d6a0ce1cee121a72e684
SHA1cddabb7ea003b4c1a2d9be449b0c74f035fb8227
SHA256c57ee4dbd0a942d1975ffeddd3f9e15bee4bd050fb7c3f1e3c1daeb7faef03ff
SHA512602c4fc23d37169246f78c072ec14f11b62cd57217ce4b5a87b8a9115dc5f47aaa446d5af138f73d165aa324ed91accd26877baefa29c3a5649b22d41cce7d0c
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Filesize
42KB
MD5ea30cbffd8a61f593570ec09d1c684c7
SHA13e1467ed7dd2696f3a245de685202bfd716a62f2
SHA256477e2dd8858d254202ef8f29ff69ceb885f1afed58d71d6c8452642ed4b5f702
SHA512713d303f90f8b3d7097c77f4b05a26b96f1279bac2e7a1a314f9e545db8b7ce2e2850ef4cebab41c066928ef24e3b619967ad66d8461a07a8a6a1c27a2080ce8
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Filesize
24KB
MD5592e2fd84c3dde91b2ff8a05eec63a21
SHA10191830b56446e3e60567de5ccdfaae9e25dbe08
SHA2564e72da09feeed9d7fe82ea4be162db4df9eba8d8c7292ec5d70cbdd3ae443c03
SHA512b38dddd57b307f656a94a506f07a1434dcdb357211e2f74125b5740200b29b4466469c687190447d871386468c24f2be3b6a49abebf39291739203e8d4165ca3
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Filesize
593B
MD5926512864979bc27cf187f1de3f57aff
SHA1acdeb9d6187932613c7fa08eaf28f0cd8116f4b5
SHA256b3e893a653ec06c05ee90f2f6e98cc052a92f6616d7cca8c416420e178dcc73f
SHA512f6f9fd3ca9305bec879cfcd38e64111a18e65e30d25c49e9f2cd546cbab9b2dcd03eca81952f6b77c0eaab20192ef7bef0d8d434f6f371811929e75f8620633b
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Filesize
355KB
MD529e75a9f332b9f639791305762cbf66a
SHA1f8da2af90ff584ea652c527c51539bee37eac082
SHA25694bb709f57d0720a0fb7ec2d7d8f2656fc4832e8ad4fc4e423164b73f271ca0b
SHA5124558d729a32650bd48e5db6ec4cdffcbf6aa53e2094e30a36001b0cb43048110fb32ef6e8e145fd41c31c2547da954478c1d96a2eeb86480b0b70c30d2aa2c2a
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Filesize
380KB
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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
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
728KB
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Filesize
728KB
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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
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
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