Analysis
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max time kernel
111s -
max time network
116s -
platform
windows10-2004_x64 -
resource
win10v2004-20241007-en -
resource tags
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submitted
03-01-2025 13:00
General
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Target
9141dd8484bac472ffe8f9d26a960aa6efb9028b283b24fa5609501997b9d225N.exe
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Size
218KB
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MD5
3d7e637fda7757e4307ae6d8af640e20
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SHA1
9d37019574b6ea3e60bdf600869c113a104b362d
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SHA256
9141dd8484bac472ffe8f9d26a960aa6efb9028b283b24fa5609501997b9d225
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SHA512
38ed12e5c54a75044f24760b48b8c8529d20f80d73827fb064bb0a9ae1605ed6d4408edf6eea1477265596f126482fb7166fbaec9fbec6b2ea0245119471d24a
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SSDEEP
6144:UEQBDdO1z7L/EIhZDE9oLfFWlMZT7+DGaMwIC:UEGDdQNHEwWlMxYG/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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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\9141dd8484bac472ffe8f9d26a960aa6efb9028b283b24fa5609501997b9d225N.exe"C:\Users\Admin\AppData\Local\Temp\9141dd8484bac472ffe8f9d26a960aa6efb9028b283b24fa5609501997b9d225N.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
593B
MD5926512864979bc27cf187f1de3f57aff
SHA1acdeb9d6187932613c7fa08eaf28f0cd8116f4b5
SHA256b3e893a653ec06c05ee90f2f6e98cc052a92f6616d7cca8c416420e178dcc73f
SHA512f6f9fd3ca9305bec879cfcd38e64111a18e65e30d25c49e9f2cd546cbab9b2dcd03eca81952f6b77c0eaab20192ef7bef0d8d434f6f371811929e75f8620633b
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Filesize
100KB
MD591193217e2dbdfa81f798e9c7bd98226
SHA1be0afade941f6a2e373a9850435aa357df93ff5b
SHA256afab2af1955d64a8c71ce9e9f7b00b3bf5a51379347b4b301df7260e29757509
SHA512850dd5c7b89078ee935c817bdc5a425a227099bbf636c4b64717852eb7fe2118c8e6e713077161526d9076ac381c23a0cd45e250ca35dbf9c7fe1140f76e727c
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Filesize
61KB
MD59fd2c975b840a600588694d3d0aeb170
SHA19c03543077bdef5883d95bb86f899c463840c658
SHA2565b4f6cb71638d9eb0f5c31b13b1f92153d6b7d37c0799f5e114db9ccf227e8a6
SHA51224709dd3f4c980e2e88b47a3ac3760f3c680f7ad337ab0a22a02e28e5c7cc36862f17a5a2a42e3d2ccdf8300f3e2ea8b64ae18f419a4cb6574ed99467a7f0357
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Filesize
218KB
MD5f8b47c7f51425df60c7a4ab774bc8386
SHA19afb920f054c759d3381dd3055f7b707cd1f59c5
SHA2566ded614693fe5ecea6c708b9575db000320404323cc16bda68cc8e580fe54b1d
SHA51204f24a14e73e529abe9ad9509b94b5eca6d91d41685638824a34981c29621b1dd0870c9df9a4424e293b82c90212f6aa30e03deba04b3484e618dbd302e4bbab
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Filesize
728KB
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Filesize
672KB
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Filesize
2.8MB
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Filesize
728KB
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Filesize
2.8MB
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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
2.8MB
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Filesize
728KB
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Filesize
2.8MB
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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
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Filesize
2.8MB
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Filesize
380KB
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Filesize
380KB
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Filesize
324KB
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Filesize
324KB
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Filesize
2.8MB