Analysis
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max time kernel
110s -
max time network
116s -
platform
windows7_x64 -
resource
win7-20240903-en -
resource tags
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submitted
25-12-2024 17:27
General
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Target
8b34416466de489fbc2dc21848a83ea3427bfd701a934ce792445d2e874c047bN.exe
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Size
576KB
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MD5
a48e3a701b682edc7526eb033c9faf60
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SHA1
d830974818f1b73f55658ff32358d32d65d3a2f9
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SHA256
8b34416466de489fbc2dc21848a83ea3427bfd701a934ce792445d2e874c047b
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SHA512
d7d1f01ef55f33d38c383002fa2fa12a447a369476e9bf0e5370eb2d8757e9fc44081c2d586a37aa82a8082f074aadaa4b0b6a05d8d152717a2074173d279672
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SSDEEP
12288:2mWhND9yJz+b1FcMLmp2ATTSsdxmWhND9yJz+b1FcMLmpG:2mUNJyJqb1FcMap2ATT5rmUNJyJqb1Fl
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\8b34416466de489fbc2dc21848a83ea3427bfd701a934ce792445d2e874c047bN.exe"C:\Users\Admin\AppData\Local\Temp\8b34416466de489fbc2dc21848a83ea3427bfd701a934ce792445d2e874c047bN.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
593B
MD5926512864979bc27cf187f1de3f57aff
SHA1acdeb9d6187932613c7fa08eaf28f0cd8116f4b5
SHA256b3e893a653ec06c05ee90f2f6e98cc052a92f6616d7cca8c416420e178dcc73f
SHA512f6f9fd3ca9305bec879cfcd38e64111a18e65e30d25c49e9f2cd546cbab9b2dcd03eca81952f6b77c0eaab20192ef7bef0d8d434f6f371811929e75f8620633b
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Filesize
576KB
MD52249c675f12beb76973653e161653f20
SHA1ba9d3f7b7f10ea561bc92cc4a65366a6f79060a3
SHA25624d7399612c301e58fcd7d351b555b410c9abc5e36aa6568daa8596a2913f56c
SHA5126d84e2458a761bdd171c278d34f0b569ff2694131f09f509168ced13b3d8f9b2024558204c919b957b2c5ac56f3f745e1115e68c404c1b6259e65e25353b8a1c
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Filesize
672KB
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Filesize
672KB
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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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728KB
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Filesize
380KB