Analysis
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max time kernel
108s -
max time network
118s -
platform
windows7_x64 -
resource
win7-20240903-en -
resource tags
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submitted
16-01-2025 15:30
General
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Target
216a1a582a9a6dbda4f2f68caf8e63bb2fe1aea61f628e7e22be940697898f86.exe
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Size
355KB
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MD5
b17937513b5264318123478419c25359
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SHA1
0b34813ad6fb3fd586d115477cdc0a17d312f69a
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SHA256
216a1a582a9a6dbda4f2f68caf8e63bb2fe1aea61f628e7e22be940697898f86
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SHA512
157a4b701c99218209e7ffe77318a4976b0e0fe54f45826f94fcfa3244bcd8792806292608e8ed3ff9cff45abc7f3a288fe59107b712317e0340eb0d1f6a5a82
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SSDEEP
6144:43EmWPDNND9yRPzLq+YXFqaZiMLic9kzVd7EAC4TSs9Eiq:DmWhND9yJz+b1FcMLmp2ATTSsdq
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 64 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\216a1a582a9a6dbda4f2f68caf8e63bb2fe1aea61f628e7e22be940697898f86.exe"C:\Users\Admin\AppData\Local\Temp\216a1a582a9a6dbda4f2f68caf8e63bb2fe1aea61f628e7e22be940697898f86.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
593B
MD5926512864979bc27cf187f1de3f57aff
SHA1acdeb9d6187932613c7fa08eaf28f0cd8116f4b5
SHA256b3e893a653ec06c05ee90f2f6e98cc052a92f6616d7cca8c416420e178dcc73f
SHA512f6f9fd3ca9305bec879cfcd38e64111a18e65e30d25c49e9f2cd546cbab9b2dcd03eca81952f6b77c0eaab20192ef7bef0d8d434f6f371811929e75f8620633b
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Filesize
355KB
MD59a280aafe0db6329d8852c0ba49dd2e4
SHA1ddb73401d37f7770d6626eeb223b8018b2f751ad
SHA256f722ec2b60348da2ce147ff3961ea00db1f7c89c927e86f1a5d1eef4471d832f
SHA5129dba1b8ee1dd4ea737c532aa60fb546ea21219088c97fd7f21a623faa2af8295235e3a513930047665b199d75a73d3f8318f1df6bcfb89e5143f66912b2e2067
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Filesize
672KB
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Filesize
672KB
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Filesize
672KB
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672KB
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672KB
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Filesize
672KB
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Filesize
728KB
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Filesize
380KB