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Analysis
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max time kernel
141s -
max time network
146s -
platform
windows7_x64 -
resource
win7-20240903-en -
resource tags
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submitted
25/12/2024, 23:55
General
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Target
87849f1e3d1e02431634de63c1b5ef81eaa8699c4a66c1861f876dbcc83151d6.exe
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Size
212KB
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MD5
e4ab43b42f1fc1c4a6b211d96584148a
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SHA1
cc794d950579ecb62c30ff995051b08916be2465
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SHA256
87849f1e3d1e02431634de63c1b5ef81eaa8699c4a66c1861f876dbcc83151d6
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SHA512
97fd0d5edf3dd4125aa60587fce15e06e403ccebf6157253a98b1f9b57ed9f9857f1a4617acbf5f8cca71ce835f5758e5cb586359ed9bbe64b9d4205c69112ab
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SSDEEP
3072:MGwPsm1VrwxOsf0juzv8j4P1Hr6krr4IEhx9QZe2gO9mG9UHA30Vt3E/vDjb8:MG/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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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\87849f1e3d1e02431634de63c1b5ef81eaa8699c4a66c1861f876dbcc83151d6.exe"C:\Users\Admin\AppData\Local\Temp\87849f1e3d1e02431634de63c1b5ef81eaa8699c4a66c1861f876dbcc83151d6.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
12KB
MD5caa300673c11a7627a7b6346e1a93b61
SHA17ecaf36f1e150c478b6cfc3446ec7f0c662c071a
SHA25642ae110a0ecd0d83c4f12314d42a585354b501856dc3c7b483123fcbc317f2aa
SHA512f11f1182d2fdc14b2c64e2221091e318f76c9a41824977c1a93bf2077300bba919ca4a01c80340c4c20d239ac6dbadf091f544891f0ec72df62a6cc11231faa6
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Filesize
212KB
MD526c2e152a9d0de7d71ed220f76bf73ed
SHA1ac753736c1f4da0475bd951e3346b07a71562d4e
SHA25602dc3e031532c9c368ffd3930ae6a16b6ac63878cb563a06a30ad3e5dd122d91
SHA5128273ad67359dd261b3c2f1739a6fe711211eeee78c6c7a1cbabcce23013dfe9bdf06557f15de9ad81888d5d003473b0e67fc3570d47146bbb59bfee386180dff
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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
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
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
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
728KB
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728KB
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728KB
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728KB