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Analysis
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max time kernel
113s -
max time network
119s -
platform
windows7_x64 -
resource
win7-20241023-en -
resource tags
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submitted
17/12/2024, 19:16
General
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Target
fd8b5802f4ae9db0248467e727d2a98b58f95ea2d8c060c140769446dbc0351c.exe
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Size
204KB
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MD5
4c60d92c2c5b2293b1b4b746dabd6866
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SHA1
0c45715bb04dae2ddc5ba3334f797cc6d8c5d761
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SHA256
fd8b5802f4ae9db0248467e727d2a98b58f95ea2d8c060c140769446dbc0351c
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SHA512
ec6c9308e786264d959f3684444028b1fc956886369af3eccadfed356d1430aef3e1f2ec647b6df725a09be16a26dc3d0c86b651c48a52350fdf3b63a8d9589b
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SSDEEP
3072:U5u7yT4TVbkuRaX1w71jnRkCoyJTarYWbV+HOFxg+z1WxJsqWkoyjOowUVl/TlA4:ULexkuRaX41xoyJV65gzyZko+uch
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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Loads dropped DLL 2 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 4 IoCs
Processes
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C:\Users\Admin\AppData\Local\Temp\fd8b5802f4ae9db0248467e727d2a98b58f95ea2d8c060c140769446dbc0351c.exe"C:\Users\Admin\AppData\Local\Temp\fd8b5802f4ae9db0248467e727d2a98b58f95ea2d8c060c140769446dbc0351c.exe"1⤵
- Loads dropped DLL
- 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
204KB
MD59ca2f7a0f523320ab732b1a9fc20e881
SHA130eb2d711fb5fcae1e6bef50663dc871d2198e1a
SHA256677128ad7929212cd0e75cac27dcabc66ca20274ea78b10c5a70241be1daa1ae
SHA512140c8e68e2caaa099c41d0ed39199aae88f75d39c502e9c2b60ede597c2314042b2085e4f130d8e60aafe29db392ab90facec578f6318d268a3e3bafa46b19a2
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Filesize
1.5MB
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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
1.5MB
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Filesize
1.5MB
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Filesize
1.5MB
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Filesize
1.5MB
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Filesize
672KB
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Filesize
672KB
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672KB
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Filesize
1.5MB
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Filesize
672KB
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672KB
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672KB
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728KB
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