Analysis
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max time kernel
110s -
max time network
118s -
platform
windows7_x64 -
resource
win7-20240903-en -
resource tags
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submitted
04-12-2024 00:32
General
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Target
e66675fe3e281da1547ea424467f214191108eb82a68c2eedd7b44331edbe7d4.exe
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Size
218KB
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MD5
1d51462f86bb7ae4458d3cbe9bb32be8
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SHA1
8e74fb4876ef0ea674651d461feafbf8de28fcb4
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SHA256
e66675fe3e281da1547ea424467f214191108eb82a68c2eedd7b44331edbe7d4
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SHA512
720d92143b207da2aff796a76d799651bb2191dcffd316f802d08714bd622056c270496dccf5675164ef675eb6e53d3aca01cce2192e6f7217c0e1a27ce6c802
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SSDEEP
3072:evm4SZsQrNzPrl6rjGMjp39d4u8iqddCxMIJOb2o5DsBPjim6hwM2Hq:g1SyAJp6rjn1gOObn4b6h9p
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 61 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\e66675fe3e281da1547ea424467f214191108eb82a68c2eedd7b44331edbe7d4.exe"C:\Users\Admin\AppData\Local\Temp\e66675fe3e281da1547ea424467f214191108eb82a68c2eedd7b44331edbe7d4.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
481B
MD56eeff0b046dae62a32ef4ec22d859e5c
SHA16e265e14142def781f553156e086478691448b0a
SHA256fe9df8de114a33cb3370630b760c730e20400d1b669d8d62c14af72f9e416537
SHA51246420e0fa7aa09e2dbd0b91b5082de81abad4d36c108df9dce69d4fbc16017bb9515d0eac639005115f2632291c912798bb081522e8e2c46b88c5888471b4671
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Filesize
218KB
MD5fcce882360563ecc7cef21610769f795
SHA164381b03c695747f931dd8aa89bbafe164e5f075
SHA2566073e562336731d1e9b6caf2ea45006ae7f74efbf5ab539ef199c65e09c06549
SHA512b00acf8ce83ad0ed166d7cef7ef6e9de5f86b7a2b60d254676fa5bff1f86c4c9c5e10ab37b0d6bfa0114bf07341f7d1193de83b402b7af63eee75f5b8bd6e340
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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
1.7MB
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Filesize
1.7MB
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Filesize
1.7MB
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Filesize
672KB
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Filesize
672KB
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Filesize
672KB
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Filesize
1.7MB
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Filesize
672KB
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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