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Analysis
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max time kernel
110s -
max time network
119s -
platform
windows7_x64 -
resource
win7-20240903-en -
resource tags
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submitted
22/01/2025, 02:38
General
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Target
d9f71c50936a1ad63ff2d173afa86f0b2375955784bf1b6a40869d47407a6974N.exe
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Size
218KB
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MD5
10a84703b73578c9b1284ac265018e80
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SHA1
61f446056b612f0a333ac4e4d5b1d752cc6547ee
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SHA256
d9f71c50936a1ad63ff2d173afa86f0b2375955784bf1b6a40869d47407a6974
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SHA512
4ad6ad997d9e4497dc05c3ef13ddaaaa5d0d8d7e579fdf5d5b402bc0abbc224bdcd40d8accbef59e9255f2cfe0a4f10a8665f1fb087d6ea8674a41efeab315e7
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SSDEEP
3072:tvm4SZsQrNzPrl6rjGMjp39d4u8iqddCxMIJOb2o5DsBPjim6hwM2H6:h1SyAJp6rjn1gOObn4b6h9h
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\d9f71c50936a1ad63ff2d173afa86f0b2375955784bf1b6a40869d47407a6974N.exe"C:\Users\Admin\AppData\Local\Temp\d9f71c50936a1ad63ff2d173afa86f0b2375955784bf1b6a40869d47407a6974N.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
2KB
MD57788e567aa38a54948c72d95143be049
SHA1355c191e87a4755e4b6475cf84ca6afae34a3555
SHA2561c81bac40c25d02a8eb127af1bdf83d95a2e84eb26b1e2c1637308b1219c1926
SHA512b015c117ea69279a5375697d659740839fe509f90382695c63d85e2807b63a8d1873439eacfcffa0b24b6982ee1718d7a2595a29814642307ba34d817027bcd0
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Filesize
218KB
MD5995c1bfcd45439ac8d7f24bb3c8c00a1
SHA1d23e09971a8b4ba581ff0020a37f29c462596940
SHA2562854f9c48a7fd8c9729690e1e69cb545cff80c4927f1794117349a1bcdf5d696
SHA512e80582f9427f83847a17b2f93ec1041ce15c4e8e7a8f39c8e27790ca2b6e20c0f11d48e0ac716ffd1af97358c03eca5cc80907826c87c7fa5643382007babce2
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Filesize
728KB
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Filesize
728KB
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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
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
672KB
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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
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
380KB
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Filesize
324KB
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Filesize
380KB
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Filesize
324KB
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Filesize
1.7MB