Analysis
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max time kernel
117s -
max time network
120s -
platform
windows10-2004_x64 -
resource
win10v2004-20241007-en -
resource tags
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submitted
07-12-2024 18:28
General
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Target
71708ac5080cf9eb3934f3be25e775c3ab86ed2662b7e17ccadd30b0c74742fcN.exe
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Size
202KB
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MD5
c423e84f8fcb16699d744feae8538230
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SHA1
f0c4bd5e0bbd5138bfb7da01592e02f0d38bd362
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SHA256
71708ac5080cf9eb3934f3be25e775c3ab86ed2662b7e17ccadd30b0c74742fc
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SHA512
f09505e4b7c8e3a1d872ee5a94365bebf193303b01bcf1439e8c5787cc682d6c894bc30fd7d1d58ef5a56da3f7ed98320c6408925708824db5ec0072edf814ce
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SSDEEP
3072:V8nh2Hrp3Tlp+soN3BY2ZBHetwcyf1w5DYRZPQaQrhu8ihDNugrBVgc8gbmT2PcF:Knw9lEs3hhyaubQTkhbrBVL8gbmT2Pc
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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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 3 IoCs
Processes
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C:\Users\Admin\AppData\Local\Temp\71708ac5080cf9eb3934f3be25e775c3ab86ed2662b7e17ccadd30b0c74742fcN.exe"C:\Users\Admin\AppData\Local\Temp\71708ac5080cf9eb3934f3be25e775c3ab86ed2662b7e17ccadd30b0c74742fcN.exe"1⤵
- 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
1KB
MD58f1bda558adb4e7ed525d4fbb537058d
SHA1eaf0db24ec9ae5162d2ddb6ce06b48a7f223c127
SHA25633f9ba2a0341635711558e661f34d803112c792cec4a23e0b5354ecea50a43eb
SHA512aa9fe1975a6800666a1a6b1a05e28ec8b03dc100ad5e1ddf3d15d3fd1c0aeb164ccf654181e0886a8e2f1bb882eacd1b207879d7a2827eabcb42911ba6303266
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Filesize
593B
MD5926512864979bc27cf187f1de3f57aff
SHA1acdeb9d6187932613c7fa08eaf28f0cd8116f4b5
SHA256b3e893a653ec06c05ee90f2f6e98cc052a92f6616d7cca8c416420e178dcc73f
SHA512f6f9fd3ca9305bec879cfcd38e64111a18e65e30d25c49e9f2cd546cbab9b2dcd03eca81952f6b77c0eaab20192ef7bef0d8d434f6f371811929e75f8620633b
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Filesize
61KB
MD502451870fa31798dc957a8533cb8daa0
SHA11e1fa1f7dcb4aa301096dec8cde0518a5f11a7f2
SHA256b2588f4a8d1ddee3af81098436d539f34ce0eb896d1330da938503c0c1e31318
SHA512fd666f959d254bee1036784e1289933c469ee62b6d86da96987cfa45311f202f3d703b5ee48f6d3a23b8fe053e49d61c04f68c2d418a48cd2e11caaefe9725bb
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Filesize
42KB
MD595c924ae599abe61cacde698a429362d
SHA10f8cd02d02ee3b88701c001d8ee7830b65310f04
SHA256f139a9cb3cfa3682f0fdb3224dd96e6916d35e62eaf295bd1fb062588a7c51c4
SHA51273f76e0a7cea4821b7fb4a333bacf4dc3d58efec93cf1e4e73884c968a2761e8bb179007b0a4233c8ff95d9fe1d79985d89f230eb3daf67c3939aabd9b079794
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Filesize
202KB
MD5e6f745051a0258aa7ba35585a0205d55
SHA13404cc23d53d55797689c2f31c07b4edbb0664fd
SHA25668634c93805cf72e7c036ca553ce57ba45cac0515adc67a7a55ae6b0cc295229
SHA51235bf4a2aed7b2c0b6ff59984a259d4b23d9233ea605c4e49a8fbb6876cd457f1f337970b6bb2d12878993137e57eb7331ccf472ba7d1569f942532aed67fb762
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Filesize
12KB
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Filesize
380KB
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Filesize
380KB
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Filesize
12KB
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Filesize
728KB
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Filesize
728KB
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Filesize
380KB
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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
728KB
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Filesize
728KB
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Filesize
728KB
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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
728KB
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Filesize
728KB
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Filesize
728KB