Analysis
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max time kernel
115s -
max time network
120s -
platform
windows10-2004_x64 -
resource
win10v2004-20241007-en -
resource tags
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submitted
30/10/2024, 16:59
General
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Target
824504b560d9ca6134fb7814c68f1c5d533c31dd81b284d47927eef06d7fd55cN.exe
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Size
208KB
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MD5
0160d94cbc4159fb49306554ba2ea240
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SHA1
49ec208d2f01fe533335ac7cc80d3cea473400a0
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SHA256
824504b560d9ca6134fb7814c68f1c5d533c31dd81b284d47927eef06d7fd55c
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SHA512
6d40c6a65407de2551b7da391ddf53dc738d11c3b26662cbf21b5098030bd47acf30a27345e9223cddb1915f24f42e53167f3db8f4f8c14b144046a087354155
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SSDEEP
6144:la1oB/yvpK0JCmRcRRR8N0e2kXfCqNidkfk:lbapK0JCmRcU9vVokf
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\824504b560d9ca6134fb7814c68f1c5d533c31dd81b284d47927eef06d7fd55cN.exe"C:\Users\Admin\AppData\Local\Temp\824504b560d9ca6134fb7814c68f1c5d533c31dd81b284d47927eef06d7fd55cN.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
24KB
MD5294147dff5d4eb50080d3c8c1114983c
SHA1dc12f450b9a7d7c3f985bdf0098abdc20bcbd207
SHA2560d4814bfd5557777bcb7c3647115c9c6f7e36d194dcc29ac778498049000c96d
SHA5125ef8a66273a50cb58f66747b716ff3f07f4f4044c42a7cb21d59d5d706c9c353b1845138687ecd92e5d51d3a70aea7180da132e230fa3ae8fc267446edccc244
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Filesize
481B
MD543090005c32a05fca9d4dcfb67cf5193
SHA138adf723b49cf1c33d68d2302dc6024c51158981
SHA2566227d5e38e27630bcb76974a9b6c8eccebc0bcfac0095ad2e91fa1c3f301f9b4
SHA5127969708dfcb5bdf53437e01ee7e1f81dee97282570ff67d5d6f353ff4b0489a40730612ecfdccee2fe59cb9162ecec55457b6bc8f19d9c12a5950d6ab47601e3
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Filesize
208KB
MD5446866617e0e19fb93ccf05a8b70b9ae
SHA1e8ae552c3328028cf04f7467d8a62a585d7fc419
SHA256d696d8fe83cc94c329d2cdfe5fb1b309115eda50e083630697d57714022a49e2
SHA5125cd9e35dabeceb6332034960771b9225e2858eb51095d10365301f216610c286e1addde1438b026e515e00d1c53419903a0dcc8e05dadd94495e2499bdde3634
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Filesize
12KB
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Filesize
380KB
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380KB
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12KB
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Filesize
412KB
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Filesize
412KB
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412KB
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Filesize
672KB
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Filesize
412KB
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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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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