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Analysis
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max time kernel
110s -
max time network
124s -
platform
windows7_x64 -
resource
win7-20241010-en -
resource tags
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submitted
01/01/2025, 23:33
General
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Target
4aae51a2c2d62c539af2511a7155852d3529d369e1f3471439773994826dff5eN.exe
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Size
355KB
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MD5
5226c9d21b48880c90087a4f156beb70
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SHA1
b6485f55e568cc7de2f336ea97030d3a64ae6114
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SHA256
4aae51a2c2d62c539af2511a7155852d3529d369e1f3471439773994826dff5e
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SHA512
ae660a162de5e73e9d4b30c042a090cefbaf5e0ccb7b19bca28e5245569d66a0a498691b58a402d9b9b9c98912239c1a8a71dd9029c79749f80e7072e9db58d3
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SSDEEP
6144:9gEmWPDNND9yRPzLq+YXFqaZiMLic9kzVd7EAC4TSs9Ei:7mWhND9yJz+b1FcMLmp2ATTSsd
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\4aae51a2c2d62c539af2511a7155852d3529d369e1f3471439773994826dff5eN.exe"C:\Users\Admin\AppData\Local\Temp\4aae51a2c2d62c539af2511a7155852d3529d369e1f3471439773994826dff5eN.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
42KB
MD56c14f78b39a349b66f8bbd24d7b92e8a
SHA19f2b51269233ea16f1072de8aaa9c05b52fb06fd
SHA25658dbf34025edf8478916f7c8b8632238f79b74b91d5ee8d4d774112696549596
SHA512c491d14c0b9898ec4a58ec606b48b1899e7f3628d6b3ce70c51028e96b321373d2e437f8f20441ad19dd6ad1225499c36d4409a32509812febcfa7f3b5200020
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Filesize
593B
MD5926512864979bc27cf187f1de3f57aff
SHA1acdeb9d6187932613c7fa08eaf28f0cd8116f4b5
SHA256b3e893a653ec06c05ee90f2f6e98cc052a92f6616d7cca8c416420e178dcc73f
SHA512f6f9fd3ca9305bec879cfcd38e64111a18e65e30d25c49e9f2cd546cbab9b2dcd03eca81952f6b77c0eaab20192ef7bef0d8d434f6f371811929e75f8620633b
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Filesize
24KB
MD5656b29875ddd90f60c3c576d476caaf0
SHA14313d26923f7fd31709abb5cecd1ad87ff074a73
SHA25604c7c70aff6babf24ba2d0b983fe6c217f362fd2c0400e94284d061ff36eccad
SHA512c7201c7c454e257f806dd4980162c18785b04ac0c5171b0fbda90d29ae3e1c70794805a4b6c45d9a1a8b1c4ff5ace6d2e06cb64bae81e054fe967932811212d4
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Filesize
355KB
MD5bfff82d75d227da1eb90b25b2361834d
SHA1ff61aa55408750eb9d3dea5a03c567cd73e03582
SHA2567be765ad00ea9720eb662f8ae4f8b6cd7f4321a257875686cb877c563a54719d
SHA5125db3526b2f1897e23e668d420574f2923a7a2b707021da396a997ec861e9f5b62cc4c4c59e96206020ec19490771682c8d22c52eaeed7cef08b950f5a3c8b9fd
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Filesize
380KB
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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
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
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Filesize
728KB