Analysis
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max time kernel
149s -
max time network
154s -
platform
windows7_x64 -
resource
win7-20241010-en -
resource tags
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submitted
01-01-2025 04:12
General
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Target
e21d39502c7660a9f1cb76c46016b21bfe8f55b726bb445fb5e572ac2b80272d.exe
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Size
355KB
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MD5
e52bdcfe9de51a91153d0062e1489816
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SHA1
f90ff20243b75026acf67bcbce67df3c1035676c
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SHA256
e21d39502c7660a9f1cb76c46016b21bfe8f55b726bb445fb5e572ac2b80272d
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SHA512
f5f373868c7527428a8cb438175b3f62aedc908c6a647e546a9f674f5406ffc7f351a12a0b1605921d2a92a3bbe4851a05771d790662abb94279e3a8df87d696
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SSDEEP
6144:c3EmWPDNND9yRPzLq+YXFqaZiMLic9kzVd7EAC4TSs9EiS:XmWhND9yJz+b1FcMLmp2ATTSsdS
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\e21d39502c7660a9f1cb76c46016b21bfe8f55b726bb445fb5e572ac2b80272d.exe"C:\Users\Admin\AppData\Local\Temp\e21d39502c7660a9f1cb76c46016b21bfe8f55b726bb445fb5e572ac2b80272d.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
Loading Replay Monitor...
Downloads
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Filesize
593B
MD5926512864979bc27cf187f1de3f57aff
SHA1acdeb9d6187932613c7fa08eaf28f0cd8116f4b5
SHA256b3e893a653ec06c05ee90f2f6e98cc052a92f6616d7cca8c416420e178dcc73f
SHA512f6f9fd3ca9305bec879cfcd38e64111a18e65e30d25c49e9f2cd546cbab9b2dcd03eca81952f6b77c0eaab20192ef7bef0d8d434f6f371811929e75f8620633b
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Filesize
42KB
MD52f808fc54a29e3e7e1352d7452d1a231
SHA14629b14222953e2bd99dd81c58b92db75889a7ac
SHA2561892b75c381c8f737428233611a3a553688d4d69e5927e1a4ffea97cabbaed4e
SHA5121586d32a191f67ed15a01b8a25ede4fce8e74ad2de7f4a96082abfe99fcd38fe05982a927407655ab10f5577753ce9b94e04d8fdabad4f1fa3d4aaa72cfe84df
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Filesize
355KB
MD5bd29d615b05665928968f9c31d72c300
SHA1447c6c0da168372a8ab4c4e45445563e7590920a
SHA256de31d44f163cd30f7b5adbd9605c4c846ea7eac7665fc3332b68aeb4adaf4be1
SHA512c357c0f56297034e167f17b0f240b69bc58a1fd6217a2ceeea09aa217a0dbdea2ac2db0cfdb24252f9c006f97c3bd2c68a03cd57f73424a87f7b3da3cf84c5ed
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Filesize
380KB
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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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672KB
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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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Filesize
728KB