Analysis
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max time kernel
143s -
max time network
149s -
platform
windows7_x64 -
resource
win7-20240903-en -
resource tags
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submitted
18-01-2025 01:23
General
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Target
50bf6a730bcd2e234f87cc3da4dfd2633f4d0bb0d4a2dcffe6fdd317bca1e004.exe
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Size
355KB
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MD5
1857d675f00f95744e966223ed53daf9
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SHA1
247c9a6f30f5cae696837040a36e613c0e86ee98
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SHA256
50bf6a730bcd2e234f87cc3da4dfd2633f4d0bb0d4a2dcffe6fdd317bca1e004
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SHA512
6067eba8d7b385033eafd495448f78f4820fa27ebfa786f104e41c28b714ebd7fb2faa3a9fe60204e8809e49b7e08b33bfda1d3702222fefa44b029e4797b2c7
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SSDEEP
6144:RgEmWPDNND9yRPzLq+YXFqaZiMLic9kzVd7EAC4TSs9Ei:3mWhND9yJz+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\50bf6a730bcd2e234f87cc3da4dfd2633f4d0bb0d4a2dcffe6fdd317bca1e004.exe"C:\Users\Admin\AppData\Local\Temp\50bf6a730bcd2e234f87cc3da4dfd2633f4d0bb0d4a2dcffe6fdd317bca1e004.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
12KB
MD5caa300673c11a7627a7b6346e1a93b61
SHA17ecaf36f1e150c478b6cfc3446ec7f0c662c071a
SHA25642ae110a0ecd0d83c4f12314d42a585354b501856dc3c7b483123fcbc317f2aa
SHA512f11f1182d2fdc14b2c64e2221091e318f76c9a41824977c1a93bf2077300bba919ca4a01c80340c4c20d239ac6dbadf091f544891f0ec72df62a6cc11231faa6
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Filesize
24KB
MD5e589f62c12bbc3272c9342f34eb046db
SHA196365340682438a12da38eb0bcea7e25a407178c
SHA25653fa32a0c70df65dda8da34470a1f85590da4bce6f4d522007d6f3ddcf99be81
SHA512f429359a8d2a63d21acf91be9e67aa9316f7a47874995c7628692125f4f823a5517dc4ace885a710c9fcae8d758c825339347352703060219f5d61a04396f584
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Filesize
2KB
MD54e6ab183bf8bbc73ec3b7111bdb596ae
SHA1e98310ef0e24ccf5344f51a4c0517a01c510c20f
SHA256bb545a22ff1453b91dfad57c6d43e49a3cc4035accd70c00e819f5212f203e4e
SHA512a309b38c75d088934e7a6296324b427e361951211d4e6c85ed7f79fa5d2d3af5b7778441b1ace6902c102e6eb3405d979557adb4d1a405936ddc273d76e2494b
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Filesize
42KB
MD56c23b78cd349b7a6aebb2215ff42bf38
SHA1305551c598e056e5e44e375f30cd9bb4f84b097b
SHA256f50ac0f3561d497e47f03d5ace0f0f8f433acfa3602fac39b178907a7c54016f
SHA512be52d675686a77114ded060f68090b31de49b049d80c8fa2b9aa77c4491d2bfb7b3ef47061fcebfb0af07acc74362d3aa2be519fd010bdc06a9b403f7a6ad870
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Filesize
355KB
MD589c88b3f03079107729c00919a4ac5b2
SHA1f15642ad73f0dcac61a2c2baf18877fe8f66cd6c
SHA2569d06d00571a0ad14330370ec44a5689ed8a0cc7f5402ac6be00b54abf01cfd39
SHA512e2c24ae9ed235d662b41d372549a60e4cae4647efb025c900b1ac605c5a847521b7368b63dc7b406d15aa8e2e36b3a32128e2c8f04ea2afca3c1dc9518c4a8ef
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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
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
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
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