Analysis
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max time kernel
111s -
max time network
118s -
platform
windows10-2004_x64 -
resource
win10v2004-20241007-en -
resource tags
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submitted
20-12-2024 04:49
General
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Target
f58cffa1ec631e5e08196fb2687cd2e428759c5f0e46b9a6dbc3e170a08e7ad4N.exe
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Size
208KB
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MD5
c2c5b532f49c067e7a72162fc0ada730
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SHA1
70f188ff5a9ccfb4ff94609d3d5524c115cdb472
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SHA256
f58cffa1ec631e5e08196fb2687cd2e428759c5f0e46b9a6dbc3e170a08e7ad4
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SHA512
b5b47a0746c5791d7721bdb50a36febcd64fb80f24fd9afbc1c8a2d54d7f3a98eea98c9a21c5ebfe2bcd26f08cc46db3a51c02685b876211edc90fbd085eb5e2
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SSDEEP
6144:8a1oB/yvpK0JCmRcRRR8N0e2kXfCqNidkfkQ:8bapK0JCmRcU9vVokf7
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\f58cffa1ec631e5e08196fb2687cd2e428759c5f0e46b9a6dbc3e170a08e7ad4N.exe"C:\Users\Admin\AppData\Local\Temp\f58cffa1ec631e5e08196fb2687cd2e428759c5f0e46b9a6dbc3e170a08e7ad4N.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
1KB
MD51e715ed72fa06e07d46c52cf8abfffbc
SHA1d71573a7660d6ae595028a698d4f0e935991cbcc
SHA25687ebd178c862302ba850b592f8888f05e4ecedda7a34414995ae77c0ebafcfa1
SHA5129aa81fcc633ca525089dae14204f691bcae56a79b599f62e8a76bbbb97f3f48fb5a7321be0e42fb1ef1f3d693e786c76ec2e591e17d7d4393b80ac9c898b1858
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Filesize
208KB
MD573698909031617b53aae03cc41542042
SHA15776934cdfbc37f9f80c3c6e57500e5e6890c3b1
SHA2568d64556523139be1eb22269901e381f7605a063d025a36cbc4a1205725a70e3b
SHA512417bf4afc5610880252f6918ab1c9d6ea060182e4128ff787be57274908bf8970c5163ac92bd2c9ecb8a4188a84917d0f06bd10dfe68aed09053ce2d34b1909f
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Filesize
728KB
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Filesize
728KB
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Filesize
412KB
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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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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
412KB
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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
412KB
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728KB
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728KB
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728KB
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Filesize
672KB
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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
380KB
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Filesize
12KB
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Filesize
412KB
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Filesize
380KB
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Filesize
12KB