Analysis
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max time kernel
119s -
max time network
119s -
platform
windows7_x64 -
resource
win7-20240903-en -
resource tags
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submitted
23-01-2025 05:06
General
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Target
f68de850cb61683c5c0daeb96931fafedca67f1953afcb4cbf5adf7c9e61004cN.exe
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Size
218KB
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MD5
f2f778f0acd2ba8823271e460c2db610
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SHA1
e0ecea3b3fb72bfe1d3c25262ca8debc1d2fa2f6
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SHA256
f68de850cb61683c5c0daeb96931fafedca67f1953afcb4cbf5adf7c9e61004c
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SHA512
eee62b7a5102c2d8474389025940a023d8236dd7c5c22ff171a6d46431598d2eb9fa04133efabeab761322c5609c82da17176293e92126eb64d7e5c1d8c9dbd6
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SSDEEP
6144:/EQBDdO1z7L/EIhZDE9oLfFWlMZT7+DGaMwIC:/EGDdQNHEwWlMxYG/wI
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\f68de850cb61683c5c0daeb96931fafedca67f1953afcb4cbf5adf7c9e61004cN.exe"C:\Users\Admin\AppData\Local\Temp\f68de850cb61683c5c0daeb96931fafedca67f1953afcb4cbf5adf7c9e61004cN.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
218KB
MD5db784cc715501235ae03304258de8555
SHA1ede935ad01ee58b95a8aea5c449f19cf5222bcdb
SHA256b99e9815480fe9d64691ac043e522427404f080202758b7977e31f80090f463f
SHA5121be39f895447ceb739fe5529bced9ddb7d225d2b7c6d1197214259cd63fd568913f872496432f2b652bac5e8816eef015d1953e7731b760d4efcca0d5c8ffb70
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Filesize
324KB
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Filesize
2.8MB
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Filesize
380KB
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Filesize
2.8MB
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Filesize
380KB
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Filesize
324KB
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Filesize
2.8MB
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Filesize
2.8MB
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Filesize
2.8MB
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Filesize
2.8MB
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Filesize
728KB
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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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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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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
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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
728KB