Analysis
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max time kernel
100s -
max time network
119s -
platform
windows10-2004_x64 -
resource
win10v2004-20241007-en -
resource tags
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submitted
06/11/2024, 12:17
General
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Target
cf03c55a231bb2c62605115cb73750563af390d12080ebb1ca7cd6a903ab2413N.exe
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Size
355KB
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MD5
bd7ab650a8f03b2b1b31dd8375dfd510
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SHA1
53356cb8210aeeee36bc48450cd0d2e307ecba7e
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SHA256
cf03c55a231bb2c62605115cb73750563af390d12080ebb1ca7cd6a903ab2413
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SHA512
93682739811f384452c6e94e55b7a495fb8d16039f32d5b1ee89e5671cc2266bda2bcfc026c1b7a9969474a0752ab8184c217d0d29506111fabdc5003d8dcefe
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SSDEEP
6144:N3EmWPDNND9yRPzLq+YXFqaZiMLic9kzVd7EAC4TSs9EiS:imWhND9yJz+b1FcMLmp2ATTSsdS
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\cf03c55a231bb2c62605115cb73750563af390d12080ebb1ca7cd6a903ab2413N.exe"C:\Users\Admin\AppData\Local\Temp\cf03c55a231bb2c62605115cb73750563af390d12080ebb1ca7cd6a903ab2413N.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
Loading Replay Monitor...
Downloads
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Filesize
355KB
MD58d3c952667d308829a4e13e23b51f446
SHA195b6bc48c7be08f79752ac4fb80526737a0387d5
SHA256f3c1169e8198a158407389dc367bdb8a4644e86405d00c92fd300d5ee23ac183
SHA512e4a07ae4e6d33677eeea62ad6734f347896d179e4eb23c161f3c0c2c449c0b77f81f173bbf4a59ce640ca0478ea29d0959503fc7f358793d112c8f9dcf1b8d14
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Filesize
672KB
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Filesize
728KB
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Filesize
380KB