Analysis
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max time kernel
149s -
max time network
151s -
platform
windows10-2004_x64 -
resource
win10v2004-20241007-en -
resource tags
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submitted
05-01-2025 05:48
General
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Target
cb11342d834d8376429d0add1203095e41a9d000893d61370464fa553bc85ccf.exe
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Size
355KB
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MD5
a01d2897b84fbb29166af60611c8e12e
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SHA1
0ece2d626a851fcf3eaa65cd9bdd9d23e078453f
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SHA256
cb11342d834d8376429d0add1203095e41a9d000893d61370464fa553bc85ccf
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SHA512
5ab8d0e20bcd18c1f2ade94388a8d088d5b6425c627bca740d3b2ec64a79ef56bce94fbe3c193e4548030749a23a21e9cdb58ee90c7d0e3ec37f7f1794667c36
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SSDEEP
6144:G3EmWPDNND9yRPzLq+YXFqaZiMLic9kzVd7EAC4TSs9EiS:RmWhND9yJz+b1FcMLmp2ATTSsdS
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\cb11342d834d8376429d0add1203095e41a9d000893d61370464fa553bc85ccf.exe"C:\Users\Admin\AppData\Local\Temp\cb11342d834d8376429d0add1203095e41a9d000893d61370464fa553bc85ccf.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
24KB
MD5a3f64d6a9ec2ca8314737676f822825f
SHA17f043cd7b5e1d399753fd7ef8d8bf0b4e3ea1cd0
SHA256b482ffac9ca1be159b772dbdf98f45901c036d65b7c31b9ae5a6c3afc0fd8535
SHA51222297101406b5ab77a9ab0001ed71b4c75043fd1e9cef97fd62467cb9907eebfa61199b939a67cecaf21e08e50df780668263a091a0e1d10b5798936bd18fc42
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Filesize
355KB
MD549597469ffeed5f311e84d727a2a4bef
SHA11544c0ea40f23737e6e3ffacd5c9f8f9ad3d7295
SHA256b80c45ecef0023475556ef308230e86ca93e45899386bc40aaf6b71b48c9580b
SHA512d061a47f403f014b05068ca7ab0ccdf6139611bd836d389564df111f1e5a2fd55c868dd585bd65d78becf5f86b5d1d51134244f35048e8bd34aaf886d8ad272e
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Filesize
380KB
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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