Analysis
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max time kernel
110s -
max time network
116s -
platform
windows7_x64 -
resource
win7-20240903-en -
resource tags
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submitted
25-12-2024 20:55
General
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Target
3b809420ac732bcb0ce911ef800a34c79ff7e51f71b92a2efcc66e9bc8576c7cN.exe
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Size
212KB
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MD5
8478e583e7c6d05547e45ad51b6cfa70
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SHA1
0d1014501a55060b3bd7e41f3acbcef56161da07
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SHA256
3b809420ac732bcb0ce911ef800a34c79ff7e51f71b92a2efcc66e9bc8576c7c
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SHA512
00bd034d2fabe7efbc18990243bbb67d0842b9eee513411727720d5ae5681da25e84e73429ad6f35514705e4792d8fcd5cd21d54a5354709355941e53a6d04d8
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SSDEEP
3072:CGwPsm1VrwxOsf0juzv8j4P1Hr6krr4IEhx9QZe2gO9mG9UHA30Vt3E/vDjb:CG/iVkO20SFgBhxtW9mG9+Umt3Ezjb
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 49 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\3b809420ac732bcb0ce911ef800a34c79ff7e51f71b92a2efcc66e9bc8576c7cN.exe"C:\Users\Admin\AppData\Local\Temp\3b809420ac732bcb0ce911ef800a34c79ff7e51f71b92a2efcc66e9bc8576c7cN.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
212KB
MD58b807cfb5ea663af8b1922d232b296e0
SHA1f4e0f27c4fa16dfe5e2ed266e06386492a7f0968
SHA256dcaa9da26665346980b2c5d9a7ede209747798b49744ea6507d8576674953cc9
SHA512a14af918f9becd010951d5afa632b6a125279f46eee0a7034260c177204c430296947b3662c8163f4dc3317be969ebb6aeeca47f9cfc2fadf13d6bd5f8d9cd36
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Filesize
1.7MB
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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
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Filesize
1.7MB
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Filesize
1.7MB
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Filesize
672KB
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Filesize
672KB
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Filesize
672KB
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Filesize
672KB
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Filesize
672KB
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Filesize
672KB
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Filesize
1.7MB
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Filesize
728KB
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728KB
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728KB
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728KB
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728KB
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728KB
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728KB
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728KB
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728KB
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728KB
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728KB
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728KB
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728KB
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728KB
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728KB
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728KB
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728KB
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728KB
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728KB
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728KB
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728KB
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728KB
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728KB
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728KB
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728KB
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728KB
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728KB
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728KB
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728KB
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728KB
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728KB
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728KB
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728KB
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728KB
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728KB
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728KB
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728KB
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728KB
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728KB
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728KB
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728KB
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728KB
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728KB
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728KB
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728KB
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728KB
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728KB
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Filesize
728KB