Analysis
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max time kernel
111s -
max time network
119s -
platform
windows10-2004_x64 -
resource
win10v2004-20241007-en -
resource tags
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submitted
01-01-2025 18:50
General
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Target
a12715bcc0a819c76a5f53316d4ba6a7977ca605e0c48b8a81fd43b377f93a4dN.exe
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Size
212KB
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MD5
21dcd52887c5f0a48de18912c867a560
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SHA1
4f5194997395b43b0e17c381dd3e8f996111a051
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SHA256
a12715bcc0a819c76a5f53316d4ba6a7977ca605e0c48b8a81fd43b377f93a4d
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SHA512
5859cd24654dc4791d79ed13c5760972aaa37c957bd487ca716544cd4b1eaacba4b15a7e76912505e1917e00280139de41d6e24084f93384764bed7cef95928b
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SSDEEP
3072:YGwPsm1VrwxOsf0juzv8j4P1Hr6krr4IEhx9QZe2gO9mG9UHA30Vt3E/vDjb8:YG/iVkO20SFgBhxtW9mG9+Umt3Ezjb8
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\a12715bcc0a819c76a5f53316d4ba6a7977ca605e0c48b8a81fd43b377f93a4dN.exe"C:\Users\Admin\AppData\Local\Temp\a12715bcc0a819c76a5f53316d4ba6a7977ca605e0c48b8a81fd43b377f93a4dN.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
212KB
MD52a939b065c5aaf898a8d3695cc69d850
SHA1127d9794621dd35917f2dd9490cb5e4b861e4f68
SHA256982ebd0d2dd0d35665c223a41a3ac40df238ebecc789e05f15762a0ac3120470
SHA51228d53eded8803057658dd14c70749d19bb87d9049882a700759ef16fc0f984bb9ef433a7c9fc180bcfdf38878a91fca9c53f17e50a2e73be5f690804f5b76d2d
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Filesize
728KB
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Filesize
728KB
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Filesize
1.7MB
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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
1.7MB
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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
728KB
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Filesize
728KB
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Filesize
1.7MB
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Filesize
728KB
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Filesize
728KB
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Filesize
1.7MB
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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
728KB
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Filesize
728KB
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Filesize
728KB
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Filesize
728KB
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Filesize
324KB
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Filesize
380KB
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Filesize
380KB
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Filesize
1.7MB
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Filesize
324KB
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Filesize
1.7MB