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Analysis
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max time kernel
140s -
max time network
146s -
platform
windows10-2004_x64 -
resource
win10v2004-20250314-en -
resource tags
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submitted
18/03/2025, 11:49
General
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Target
d54bb9dcd9b3147f3b48abf66d2cf5e1daeb8d0971445be6f8410a621fb8e3b8.exe
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Size
218KB
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MD5
54d4e120a771df0f8fd0b6cc136a5184
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SHA1
c703b958e0f4cdfa1f0caac7cf6028d5480541fe
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SHA256
d54bb9dcd9b3147f3b48abf66d2cf5e1daeb8d0971445be6f8410a621fb8e3b8
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SHA512
b5372a17d11be1450774ff65e4bf5a42198e2c97f83c673bf8521ae5e6a2056727230d5a431df727f7ae1466c83024ce76d8bd44c9ba7efaf0f492f727f8e7b1
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SSDEEP
3072:qvm4SZsQrNzPrl6rjGMjp39d4u8iqddCxMIJOb2o5DsBPjim6hwM2H6:81SyAJp6rjn1gOObn4b6h9h
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\d54bb9dcd9b3147f3b48abf66d2cf5e1daeb8d0971445be6f8410a621fb8e3b8.exe"C:\Users\Admin\AppData\Local\Temp\d54bb9dcd9b3147f3b48abf66d2cf5e1daeb8d0971445be6f8410a621fb8e3b8.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
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Downloads
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Filesize
218KB
MD5aceb31ccc47df251de88223bf3840eeb
SHA130c4ad5d4c71f544175310ced40802b4e49e4734
SHA256ce60e6daca9f27c3152061f93a9babee262fe43b42ef09e7bd97bb4d11e559e1
SHA512a0a403d90a8646ceb10c0f7f0009a6fef4075253e61e20c88daa3eda018346ddf71b3329faa45a855ea7630816878b0d50169996ef3648a776fa4cf8c9cbdfab
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Filesize
324KB
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Filesize
380KB
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Filesize
380KB
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Filesize
324KB
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Filesize
1.7MB
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Filesize
1.7MB
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Filesize
1.7MB
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Filesize
1.7MB
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Filesize
672KB
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728KB
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