Analysis
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max time kernel
120s -
max time network
123s -
platform
windows7_x64 -
resource
win7-20241010-en -
resource tags
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submitted
26-12-2024 18:37
General
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Target
45c0030c7598b720a6d6b941ffc8dde1f424eafe1541d7f5bb3da1dd5c337238.exe
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Size
355KB
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MD5
5b7300cdc561e7b82abfc09e55d59eef
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SHA1
48cb66539599cf2d93adceaf48013a2ced11ffde
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SHA256
45c0030c7598b720a6d6b941ffc8dde1f424eafe1541d7f5bb3da1dd5c337238
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SHA512
14a38757b5374a865b1988dad179047502f6babc9c1f4309f3c7290526122b59a4196562dfc65b8c05356a8e8be5b9df828a7ee797c64fecada6ce52e807a3f3
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SSDEEP
6144:o3EmWPDNND9yRPzLq+YXFqaZiMLic9kzVd7EAC4TSs9Eii:zmWhND9yJz+b1FcMLmp2ATTSsdi
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\45c0030c7598b720a6d6b941ffc8dde1f424eafe1541d7f5bb3da1dd5c337238.exe"C:\Users\Admin\AppData\Local\Temp\45c0030c7598b720a6d6b941ffc8dde1f424eafe1541d7f5bb3da1dd5c337238.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
24KB
MD5e760d73712a0bbb126a6b401017bbca7
SHA162f9c545a7544ccffdfce498a2ae7a88be10593e
SHA25685394b6a5cf5e017706eef65613c7256a14ff1b500876c6bef0a764d3d845c6f
SHA512bfb32c279e0ed4cf5abd1ed490eab67a879fe5774880b968e4e52030efa688a66e5713d75f482e718be0dd00ff247d7e1bfe6679fbc12558e3a35234b029dc7b
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Filesize
42KB
MD57bab1acb95777a42e49c8ab7447077b6
SHA1f52171ba3f9bd9a0edc0c2ac04c85ff573c846e0
SHA25677e0603dacc7661de93ea7f8f2ff796180d5b83cb4e85c112432c89761520d46
SHA512f5e11478c16e7c52960e769542c02dfb8a952db7502e42e2b615b99aa2b165ef268452d0d63894ac0aa12ad55e9cd0b2baea4abde4b2c48eef56ec9a4806baed
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Filesize
355KB
MD59b58836f77f40a1051067619f5aac8b8
SHA1afccb7cdc3443f96a9edb8e749bdbb2b854015a1
SHA25618e76de58022abab868a88f97d55b81b9022104dfd5d9ecc08f54e0e14ac9290
SHA5123097f0070d848c36fccc34d6ff1bff34f5214a0160725639d2df78eaf06c08e9bedf8c1c03018c56010ac6016fe26a02ceabc4044616035a562b7747cb8cd6fe
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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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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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Filesize
380KB