Analysis
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max time kernel
148s -
max time network
150s -
platform
windows7_x64 -
resource
win7-20241023-en -
resource tags
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submitted
08-01-2025 04:32
General
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Target
91c8584cfea584eafc34c1cc68383e691aa190b5c6a85433236cce1fff96e4c5.exe
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Size
204KB
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MD5
85db3282fe3af41e53d7bccf98349fb7
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SHA1
8b394f238ab5adfa0e11d476482d2d0496c9af20
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SHA256
91c8584cfea584eafc34c1cc68383e691aa190b5c6a85433236cce1fff96e4c5
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SHA512
0da92335af0190c2ad635c93046ef68709551dbdc47eacd4df1fbfe2a54f8dd120ce8881cc3d9b76a7523bc9bf0f91b22d8a2406b206d084878385d7fbe347f0
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SSDEEP
3072:65u7yT4TVbkuRaX1w71jnRkCoyJTarYWbV+HOFxg+z1WxJsqWkoyjOowUVl/TlAQ:6LexkuRaX41xoyJV65gzyZko+uc
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\91c8584cfea584eafc34c1cc68383e691aa190b5c6a85433236cce1fff96e4c5.exe"C:\Users\Admin\AppData\Local\Temp\91c8584cfea584eafc34c1cc68383e691aa190b5c6a85433236cce1fff96e4c5.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
Loading Replay Monitor...
Downloads
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Filesize
593B
MD5926512864979bc27cf187f1de3f57aff
SHA1acdeb9d6187932613c7fa08eaf28f0cd8116f4b5
SHA256b3e893a653ec06c05ee90f2f6e98cc052a92f6616d7cca8c416420e178dcc73f
SHA512f6f9fd3ca9305bec879cfcd38e64111a18e65e30d25c49e9f2cd546cbab9b2dcd03eca81952f6b77c0eaab20192ef7bef0d8d434f6f371811929e75f8620633b
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Filesize
42KB
MD5e2a6f51373e8ededfb74edb293dbfae4
SHA13c83b14416b98b46afe47e48f41a42e35e165003
SHA256e797f6e6d1178f98b17f551587487dab7e1098acc226c868b881c5de1927b80d
SHA51297522283e153eb98a689348e9839c0a48aa28fc25e96cbe365cf9c5222b5a65249ebb405644318f13517102d0a02994a4ba2b3263d769ada764960df7c9a97e8
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Filesize
204KB
MD5371f9d3fc6d2b3abf910c34a8d201fab
SHA1e253cc1f360bde6766534ea3d7095df65630fdf7
SHA256d7170cec105e8103613a3cb9989bf99439af1c8b83c81482e7c72bcb4b4633f4
SHA5121685c936d7593a1927c6e936a384709957d9388ef5417cfea4797f7f7971dfe98c32fa367fe22648d2403675a3ad9cca3484824e19809d786d487689313065c7
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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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Filesize
672KB
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Filesize
672KB
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Filesize
1.5MB
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Filesize
672KB
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Filesize
672KB
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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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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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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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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