Analysis
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max time kernel
118s -
max time network
120s -
platform
windows7_x64 -
resource
win7-20240903-en -
resource tags
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submitted
19-12-2024 11:17
General
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Target
d9d63361a5331a2cbe1cf340bb0a9978f217ccabc27dd18c147fe019c75dc2bfN.exe
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Size
686KB
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MD5
94ce44d2ec61a1d445c4b5e286ccb420
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SHA1
cdf802152918990f0c9abc58fb5d41cbaa0c7cd9
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SHA256
d9d63361a5331a2cbe1cf340bb0a9978f217ccabc27dd18c147fe019c75dc2bf
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SHA512
6c7669e75666682108c947c660b05cfab46390dd15b53e4dfca2ed604c25e01190f6fefbaa13f3fcf1f3672b540f227503b0878db5976d9146b8d508c910a888
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SSDEEP
12288:imWhND9yJz+b1FcMLmp2ATTSsdApVHyGbs2CYPHrLpVmCbHDSgp:imUNJyJqb1FcMap2ATT5itjCYZ3DSo
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\d9d63361a5331a2cbe1cf340bb0a9978f217ccabc27dd18c147fe019c75dc2bfN.exe"C:\Users\Admin\AppData\Local\Temp\d9d63361a5331a2cbe1cf340bb0a9978f217ccabc27dd18c147fe019c75dc2bfN.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
593B
MD5926512864979bc27cf187f1de3f57aff
SHA1acdeb9d6187932613c7fa08eaf28f0cd8116f4b5
SHA256b3e893a653ec06c05ee90f2f6e98cc052a92f6616d7cca8c416420e178dcc73f
SHA512f6f9fd3ca9305bec879cfcd38e64111a18e65e30d25c49e9f2cd546cbab9b2dcd03eca81952f6b77c0eaab20192ef7bef0d8d434f6f371811929e75f8620633b
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Filesize
686KB
MD53f167db808f883a12716fe807fe62dd0
SHA14d94a7f41944f9ec9f3f1ce2105e1a3c3f7aa40c
SHA256261732e8b76ba23b725bb48ff9719c587d87626a64950297f722da4257c1b8bc
SHA512be358e55a7940464477194c299bab5c1a4f455105707dc1227c57fc6c3e8e4c0ca88544e5af1d1515c853f6d484ee9bea940d2c087c6f67e6a2f5a3d94ac1ae7
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Filesize
672KB
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672KB
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672KB
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672KB
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672KB
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672KB
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728KB
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Filesize
732KB