Analysis
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max time kernel
116s -
max time network
120s -
platform
windows10-2004_x64 -
resource
win10v2004-20241007-en -
resource tags
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submitted
31-12-2024 03:29
General
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Target
5f7ad406aab750c91d1de29f720e83b0a39a5429238b34d9fc9780d2b0e7d225.exe
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Size
355KB
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MD5
bd7b61f52ced531b9b1a197ed6f5bb70
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SHA1
69cbeb9c2877224b4f68d0bada596a68ff851a5f
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SHA256
5f7ad406aab750c91d1de29f720e83b0a39a5429238b34d9fc9780d2b0e7d225
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SHA512
3f31743f8c1f71d56cc19336406ff37ea9bc6b35ae752c5d516cfac002f99ded067a51a2497628f750422c2a7bd7ae32f65a7c3929ca2ab7c988aff99dcdc12b
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SSDEEP
6144:Y3EmWPDNND9yRPzLq+YXFqaZiMLic9kzVd7EAC4TSs9EiS:jmWhND9yJz+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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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 3 IoCs
Processes
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C:\Users\Admin\AppData\Local\Temp\5f7ad406aab750c91d1de29f720e83b0a39a5429238b34d9fc9780d2b0e7d225.exe"C:\Users\Admin\AppData\Local\Temp\5f7ad406aab750c91d1de29f720e83b0a39a5429238b34d9fc9780d2b0e7d225.exe"1⤵
- 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
593B
MD5926512864979bc27cf187f1de3f57aff
SHA1acdeb9d6187932613c7fa08eaf28f0cd8116f4b5
SHA256b3e893a653ec06c05ee90f2f6e98cc052a92f6616d7cca8c416420e178dcc73f
SHA512f6f9fd3ca9305bec879cfcd38e64111a18e65e30d25c49e9f2cd546cbab9b2dcd03eca81952f6b77c0eaab20192ef7bef0d8d434f6f371811929e75f8620633b
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Filesize
61KB
MD5185960e75770e09b4f049fec07a90a01
SHA1696b8ae1aa636aa88f7cf291edb6977dbfd89ff8
SHA2565b4608c65cf217294129c8e8b6d996b35ca54f24c0f9a2bf445f405b84826da8
SHA5129c9c89fbc10051bde4f8e597096cbdc17796e524050e6421551f9d0d61dc03f3460d26ca223396bb6693bd658328dbec56b480010392d922b6283b4e2479fd12
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Filesize
355KB
MD5306ea903c589bf5abb1dad3c9440875c
SHA17ae49baef2d61eb09b79efed87ea56d31e1b955d
SHA2561e16b04f46cd7ba9a6abf52af92fdd336f695f8f1ec29212e1c4820170583c64
SHA5129fc32b2481e88cdd9a0a65c15041682f7ae74f9c30d3e0d08435af222540f0fbd412c4b06f896d39576412a110047163d1662a0023f2e3552fc8e5cc3150268b
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Filesize
380KB
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Filesize
672KB
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Filesize
728KB
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728KB
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728KB