Analysis
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max time kernel
117s -
max time network
120s -
platform
windows10-2004_x64 -
resource
win10v2004-20241007-en -
resource tags
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submitted
19-12-2024 05:42
General
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Target
db242b1aa12fdda564bb964c0ec0fab154adc593976b54a1fd9177b9524eab29N.exe
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Size
355KB
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MD5
0353af4392e3fd11594ba5160b5481c0
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SHA1
fa6045d22cca73a9f792214b0e23f45546eb99bc
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SHA256
db242b1aa12fdda564bb964c0ec0fab154adc593976b54a1fd9177b9524eab29
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SHA512
9d8aeca1e018fe6694505b9282dc2ba8a1b27de5e6ae257277b9cb2ae5f4db73228b3507e25c6f5762037d68eb69772f16ca8b90476085023a83c60dccb5c90c
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SSDEEP
6144:A3EmWPDNND9yRPzLq+YXFqaZiMLic9kzVd7EAC4TSs9EiS:bmWhND9yJz+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\db242b1aa12fdda564bb964c0ec0fab154adc593976b54a1fd9177b9524eab29N.exe"C:\Users\Admin\AppData\Local\Temp\db242b1aa12fdda564bb964c0ec0fab154adc593976b54a1fd9177b9524eab29N.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
355KB
MD52f349c412d410719a3eefd23885e0b58
SHA194aa772dbfea6c73f59cb120953e6667d6cd3bdf
SHA2560cd6ba1807d19e2ca89d6b296034517154937336775818694e6a3b39beab9d6b
SHA512e9da235f072404f1ae7b122440f059f119054ad3be24b32a5ff007d1c3d853efc72acf568f1ff001ea7c9a74d622dff4662628a894c57b44d0b4b5867f21bd69
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Filesize
380KB
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Filesize
672KB
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