Analysis
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max time kernel
103s -
max time network
121s -
platform
windows10-2004_x64 -
resource
win10v2004-20241007-en -
resource tags
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submitted
26-12-2024 17:03
General
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Target
b27a8aff4f3d9cdd46a586d0dd2c3520d8701df96a287b51fec92c761abd983f.exe
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Size
355KB
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MD5
88c49f55e6fe911d65c47d88a88cbe22
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SHA1
b1b72cb97d055ab45dfdbc6ba8eb1b6c283f8232
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SHA256
b27a8aff4f3d9cdd46a586d0dd2c3520d8701df96a287b51fec92c761abd983f
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SHA512
755bb14f7ec5d66371be91324ec9d20fcf621e05226320cab8f91bcf34293e62e2da76162883eeb9a4d4b9c6c4d6cd9bac5e002658f57bfe5036c7aa97c06adb
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SSDEEP
6144:p3EmWPDNND9yRPzLq+YXFqaZiMLic9kzVd7EAC4TSs9EiC:+mWhND9yJz+b1FcMLmp2ATTSsdC
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\b27a8aff4f3d9cdd46a586d0dd2c3520d8701df96a287b51fec92c761abd983f.exe"C:\Users\Admin\AppData\Local\Temp\b27a8aff4f3d9cdd46a586d0dd2c3520d8701df96a287b51fec92c761abd983f.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
MD576863a6061d26c5fc318384ac040b88e
SHA1c56e514746a1d8e3dbff6c7152de9ef8c0f9b521
SHA2568e385e740d357db2de2487897f472acd100bc463141a3c53d033c5f31ff09144
SHA5122ef171d116eed5124e24bf1d58a403c25274d0bee33b8506646cc7862c013ac119e84412476a844e163b2dcd6ffbc0f5b8262faeeae078119a2190dfbd9226e4
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Filesize
672KB
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728KB
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380KB