Analysis
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max time kernel
150s -
max time network
156s -
platform
windows7_x64 -
resource
win7-20241010-en -
resource tags
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submitted
25-12-2024 15:13
General
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Target
7b99b655e16cc9aa1f6799f7ad990e9d1a175345e35738d053d87d65e2c5aab5.exe
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Size
576KB
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MD5
98cab5aa9cd9669ee9f2f8527ca8aeaa
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SHA1
db96d67bd58cae07c9f205e66154a07a879fb359
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SHA256
7b99b655e16cc9aa1f6799f7ad990e9d1a175345e35738d053d87d65e2c5aab5
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SHA512
10259e4fc7069ac3bdcab1217c30229aa79625ffaae8eeb7001ca5db6820e014f539504640f0663f66a31c7c75e62d8668b26ddd7c3455538c3842764c7a2654
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SSDEEP
12288:2mWhND9yJz+b1FcMLmp2ATTSsdxmWhND9yJz+b1FcMLmpW:2mUNJyJqb1FcMap2ATT5rmUNJyJqb1Ft
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\7b99b655e16cc9aa1f6799f7ad990e9d1a175345e35738d053d87d65e2c5aab5.exe"C:\Users\Admin\AppData\Local\Temp\7b99b655e16cc9aa1f6799f7ad990e9d1a175345e35738d053d87d65e2c5aab5.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
12KB
MD5caa300673c11a7627a7b6346e1a93b61
SHA17ecaf36f1e150c478b6cfc3446ec7f0c662c071a
SHA25642ae110a0ecd0d83c4f12314d42a585354b501856dc3c7b483123fcbc317f2aa
SHA512f11f1182d2fdc14b2c64e2221091e318f76c9a41824977c1a93bf2077300bba919ca4a01c80340c4c20d239ac6dbadf091f544891f0ec72df62a6cc11231faa6
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Filesize
24KB
MD57fc58c6019dbf879166558ea75692dd5
SHA1e3169591993e45cb7153a74b3451d2d3f5cf13e6
SHA256d16a642df32427aab8d5aa7bf2f3e2740ea470bc0266f88324fa74e8c5d3acdb
SHA51201a11eac4c5c7ea38509f868b83929d35c227c86d8d78504de0d87b08aa2a54f89db3757402b270d07f18005bf411ba11beefe86dbe68efe20406d553d639849
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Filesize
576KB
MD50a1f55a24fa79d14ba9ef8a4dc4ac7e6
SHA1a45025ba64a8fb91242e41af253b6f80a8ee5bc0
SHA2562412002b128bcd7d4fd1a86541a4927c98ce98b3fdf9e5e42d5a20fb7ee996ae
SHA5123a079493b5cf0d577f78ab5e550c5823403ffb2c77bf6af67c26a6e650721456e65e4ab7b21fc6b07ca7bde5ea3dcb6e8339c2358aeea7f84886596f6664f838
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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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Filesize
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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Filesize
728KB
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Filesize
728KB
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Filesize
728KB
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Filesize
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
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Filesize
728KB
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Filesize
728KB
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Filesize
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
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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
380KB