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Analysis
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max time kernel
118s -
max time network
119s -
platform
windows7_x64 -
resource
win7-20240708-en -
resource tags
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submitted
19/12/2024, 02:34
General
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Target
d8af30c2b4bd88aaaaca98625fb46c6afce964a7e6e6309396070baecfff34bfN.exe
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Size
686KB
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MD5
eafdff2c6dbc5ad759b5faf10b229860
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SHA1
a570260798cbc0dcf8809953120c6a3f981312ff
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SHA256
d8af30c2b4bd88aaaaca98625fb46c6afce964a7e6e6309396070baecfff34bf
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SHA512
b88e69f9050610bb8b8522ca1bca7723d8e67797f42c259f09ddb50b3d12bd7f3260bcbb5397e7798381c67f6135dc23b72ac7198439f3b8e8338e218a7250f7
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SSDEEP
12288:5mWhND9yJz+b1FcMLmp2ATTSsdApVHyGbs2CYPHrLpVmCbHDSgp:5mUNJyJqb1FcMap2ATT5itjCYZ3DSo
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\d8af30c2b4bd88aaaaca98625fb46c6afce964a7e6e6309396070baecfff34bfN.exe"C:\Users\Admin\AppData\Local\Temp\d8af30c2b4bd88aaaaca98625fb46c6afce964a7e6e6309396070baecfff34bfN.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
1KB
MD59086c733e0204c3c07fd476862096ef8
SHA12d99b9de7109e75c5591589e7e1122f4d7c27341
SHA25662061e676be0a0a4f464bfe49e8d7123990872fe94d633e2c7a5d606fb8f3f97
SHA51202e6d2b14c8f38019f9ceb00fad4990eecd43fc0df2d52e43e9da4814e19142b4eeb0f158a2d832ac82d22891aa43fa5c6c5df4d52f356aad060666f0e5d5851
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Filesize
12KB
MD5caa300673c11a7627a7b6346e1a93b61
SHA17ecaf36f1e150c478b6cfc3446ec7f0c662c071a
SHA25642ae110a0ecd0d83c4f12314d42a585354b501856dc3c7b483123fcbc317f2aa
SHA512f11f1182d2fdc14b2c64e2221091e318f76c9a41824977c1a93bf2077300bba919ca4a01c80340c4c20d239ac6dbadf091f544891f0ec72df62a6cc11231faa6
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Filesize
686KB
MD57275e74bebde594fd44a3c4f54ccc6b8
SHA11af235779c0358ccf4f25f6be06db97144fb6e10
SHA256ebfc8e9f611a73964dbb834f3f060fffeaec705eaf7a8bf6d5d101cffc2f866c
SHA512c6f29fde681e387c91f1f3bf70cac71d1585d5700a5a0ea209b8a06efc4e307e023fbe3b8c8e22106808fd9fec426cb6303f1552b9925b88c0fc8db82915ede0
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Filesize
732KB
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Filesize
672KB
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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
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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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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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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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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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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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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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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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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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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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