Analysis
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max time kernel
119s -
max time network
121s -
platform
windows7_x64 -
resource
win7-20240903-en -
resource tags
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submitted
17-01-2025 15:31
General
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Target
64ef26cd34b424afbcca4006c9a98d23ee95c6705b403ab12a4c1c5f6ff2c9b6N.exe
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Size
355KB
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MD5
78fcfbdd4d554b310dccea6da6ea86d0
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SHA1
22dec65992db1368eca8e08d202c2caecb054654
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SHA256
64ef26cd34b424afbcca4006c9a98d23ee95c6705b403ab12a4c1c5f6ff2c9b6
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SHA512
a80d15a25848efca9c80747ab6dfc61098bc03d06c69242c571d58656b24aee75eb06d3e104d4ac525a51b2125eaa0d708048640cae49fa4501bf0a2d1f93741
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SSDEEP
6144:igEmWPDNND9yRPzLq+YXFqaZiMLic9kzVd7EAC4TSs9Ei:EmWhND9yJz+b1FcMLmp2ATTSsd
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\64ef26cd34b424afbcca4006c9a98d23ee95c6705b403ab12a4c1c5f6ff2c9b6N.exe"C:\Users\Admin\AppData\Local\Temp\64ef26cd34b424afbcca4006c9a98d23ee95c6705b403ab12a4c1c5f6ff2c9b6N.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
355KB
MD5141f34ef1f56a333fbc794a7c3aba422
SHA1609fa8507aa8e65727d143b93472145328ca01d3
SHA2564bf0368bddc18e7ca1618da0d23c626727e8dc321d47ca103158f302e73982bf
SHA512e7b3c7adc906b63b99f0b3790fb3e0daf79177820a1712407a9a3cc180b89e4bd6ff60dfe9330174c9323dd30102e58d14e009ea259c249433de7fb6d3238317
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Filesize
380KB
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Filesize
672KB
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672KB
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672KB
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672KB
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672KB
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672KB
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728KB
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