Analysis
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max time kernel
120s -
max time network
124s -
platform
windows7_x64 -
resource
win7-20241010-en -
resource tags
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submitted
24/11/2024, 17:16
General
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Target
ac37cb2a4fb22b0e1e5bf7e0b77d641a174d147ea6e6e1a6744e24e05bf73755.exe
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Size
375KB
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MD5
43a8b930010a91efcc0b8d4ea21ba8ee
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SHA1
d17eba5a74a6a297a000f64b2dc863405f6140ed
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SHA256
ac37cb2a4fb22b0e1e5bf7e0b77d641a174d147ea6e6e1a6744e24e05bf73755
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SHA512
28677edf4d2972594835d03e6e2b721cd2b87f48d73ccc53dbca8be63b719dcd8ed50d440c5f9ed4d95106b09275da6f1576726e2fa840c530c40ece25851c01
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SSDEEP
6144:T3EmWPDNND9yRPzLq+YXFqaZiMLic9kzVd7EAC4TSs9EiU:gmWhND9yJz+b1FcMLmp2ATTSsdU
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\ac37cb2a4fb22b0e1e5bf7e0b77d641a174d147ea6e6e1a6744e24e05bf73755.exe"C:\Users\Admin\AppData\Local\Temp\ac37cb2a4fb22b0e1e5bf7e0b77d641a174d147ea6e6e1a6744e24e05bf73755.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
1KB
MD589d8fdfb7c4a9c60900f7bbd38572246
SHA16651db0cc69a4b3becfe3bed1638380d56e0e7c3
SHA256f8485314d6af716b080739a6647955d888fadb518989657a15ff0c8d7aab78ad
SHA512fb02b42897ad585a44c04f7e5d504aa6fc7e70a2e3f5b0f7448fb92f6fb0daf259eaca98cc9d24b1975efd291cb9f92bc3722fcb4866bdb066cca4b6a941f217
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Filesize
41KB
MD5d80ec1219d41a9173187271c0522d175
SHA164ccd3813367e92c7157b0b64f79c39c4d3fdfd1
SHA2560b1025a60b45906dacca0d7d5cb5421d9adf057321f8d628af1c053c3610a80f
SHA5121ef8c2bd540ee339d5a1578f7ed8f324dbe18e531f32919f771cf3ff19c7eec4a6c74ab4a3488a777647fc612bdb4880d8f2b869157cca18cd966d3be3d90754
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Filesize
375KB
MD5058f7026cb9eb38940b8a592ec7b9166
SHA1b9870b9f381713ed44aceb51323bd4fc74e398c3
SHA256f74bef69b4da962c091d782a159d3b410030ca3365f24f34d1f47fd450b38b4b
SHA5129570f8ed52eab41656df1d1153e8d72b07521700236f61afab7e7bf8d3d23a06a247877eb8a6539f6c2204759e3a7af88fd35eb6e4c4ef5ea9b82f0f4161ff1c
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Filesize
728KB
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Filesize
728KB
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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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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
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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
672KB
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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
672KB
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Filesize
672KB
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Filesize
728KB
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Filesize
728KB
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Filesize
728KB
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Filesize
400KB
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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
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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
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Filesize
728KB
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Filesize
728KB
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Filesize
400KB
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Filesize
728KB
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Filesize
400KB
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Filesize
400KB
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Filesize
400KB