Analysis
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max time kernel
111s -
max time network
120s -
platform
windows10-2004_x64 -
resource
win10v2004-20241007-en -
resource tags
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submitted
28/10/2024, 23:59
General
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Target
33c59886caba391b2968cc57aa62bc3ea7bd63c09d6b94b3967a00aa984a3c26N.exe
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Size
218KB
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MD5
eab7cb3751b510a116a299e2f3f06920
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SHA1
85296c8454a62f28b6b9e203df364b9badd68c66
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SHA256
33c59886caba391b2968cc57aa62bc3ea7bd63c09d6b94b3967a00aa984a3c26
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SHA512
18be1441948694f2795c624ac2f0c1e178cbcbabd06d9fdf5595174ad0d8e261d82ecc474cd73a52f692e198a3143f1fe31643ad141a974e1a5baf436229cb86
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SSDEEP
6144:3EQBDdO1z7L/EIhZDE9oLfFWlMZT7+DGaMwIC:3EGDdQNHEwWlMxYG/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\33c59886caba391b2968cc57aa62bc3ea7bd63c09d6b94b3967a00aa984a3c26N.exe"C:\Users\Admin\AppData\Local\Temp\33c59886caba391b2968cc57aa62bc3ea7bd63c09d6b94b3967a00aa984a3c26N.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
218KB
MD5a1b5bfd0c1d80f22acc1376029896740
SHA1e89f785aac28adf0898e5edd6741970883de382f
SHA256ddc9ac14e5d326a042c3a0ff9f20e4d87234836b398eb0418e80178d7669e1b7
SHA5123b777ae90937d91ff34a165b5cfb340896231103c6b589a875d74d59d127568429949b0a12da19257d3b8f307ff77a9a26ea1732054f67ba759cab2580db6301
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Filesize
728KB
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Filesize
728KB
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Filesize
2.8MB
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Filesize
672KB
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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
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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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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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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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
380KB
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Filesize
380KB
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Filesize
324KB
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Filesize
2.8MB
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Filesize
324KB
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Filesize
2.8MB