Analysis
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max time kernel
148s -
max time network
153s -
platform
windows10-2004_x64 -
resource
win10v2004-20241007-en -
resource tags
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submitted
02-12-2024 04:17
General
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Target
5167e50a188133b5139bedd1d29d6d8a1cb53569364cbc2714ae417634a779b2.exe
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Size
208KB
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MD5
a40129703c98dd3978ebff8124ffbe10
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SHA1
7e9b16f22925c1cf2b64c7e6a7b7feb323c0681a
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SHA256
5167e50a188133b5139bedd1d29d6d8a1cb53569364cbc2714ae417634a779b2
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SHA512
7bb54655935325a5a9dde511186936403a02f2a38a7f275bf8cc1887081850515f9b869cf53d3dffc5e6eeac950590889d3ac866eac5cb77a984699fa880a529
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SSDEEP
6144:0a1oB/yvpK0JCmRcRRR8N0e2kXfCqNidkfkg:0bapK0JCmRcU9vVokfB
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\5167e50a188133b5139bedd1d29d6d8a1cb53569364cbc2714ae417634a779b2.exe"C:\Users\Admin\AppData\Local\Temp\5167e50a188133b5139bedd1d29d6d8a1cb53569364cbc2714ae417634a779b2.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
24KB
MD58dea4f204f5f5fb1300e4d85c6b88573
SHA15656907b009a08fd512ac606374521825bb1fbd1
SHA256c60723ffc12b63fd779817b0b657c38dcf9011fa1816c1e677b65ea8be2a0a12
SHA51205a3eebf4f230e0308ce91b1da62a3178345351c714cf609eb9ada77e30ba2896dc8a94af11ed544f8fd17cbf81b7c35a02c859a0a85d84df7ddc18836fa8d3b
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Filesize
1KB
MD59bb87ae9941174b6dd9c2ba44653b79a
SHA1da9d4b54c504e0afcfa71267093119f052b29c02
SHA256b7649ab93b2f69f2d796a551a9bc995d043b793d86078bf298729a5b96d79b39
SHA512fa582a77a8f471b27b122a7deb73400991d479d51fa2d666d7401d977b94761aa1a401a9966ae576e135071cb74ff8bebb05532db550357db1726c9ee81cd086
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Filesize
208KB
MD577eb660168c20fd2cecb71b3ddc5f2d2
SHA1d779b3ba336fe73a35a06913d14767b1ab0a043f
SHA25626295bac4035924aacd6d2302b5c3236764bac220139e46f01a7ce642c1ca9f5
SHA512f0de43282c3741cc553bf6dc5c01958d73ef1eb549b7fa48188faeaf9011cd8769f52bc1c6682585fb639d3bd06976858e90da93f73bf5f756b04022234e4c5e
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Filesize
12KB
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Filesize
380KB
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Filesize
380KB
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Filesize
12KB
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Filesize
412KB
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Filesize
412KB
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Filesize
412KB
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Filesize
672KB
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Filesize
412KB
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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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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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728KB
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728KB
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728KB