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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
23/01/2025, 09:39
General
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Target
223e82b8cf20efaa72667df87c34c3d765b224718c3492618f8b9511e58fe0d0N.exe
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Size
218KB
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MD5
d20e25e1657cde7ef08fe84527b5adf0
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SHA1
7efa2cac4df35bb5223279af73802d7e08900aa2
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SHA256
223e82b8cf20efaa72667df87c34c3d765b224718c3492618f8b9511e58fe0d0
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SHA512
acc6208474e1e850be2ce6fa3776c922d9aba91bca8c9776510469ca3459352225ed21f03b3529bb3b498a464f31d810b1cf8e12b1d15ac09dfac1c0140807b7
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SSDEEP
3072:/vm4SZsQrNzPrl6rjGMjp39d4u8iqddCxMIJOb2o5DsBPjim6hwM2H6:X1SyAJp6rjn1gOObn4b6h9h
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\223e82b8cf20efaa72667df87c34c3d765b224718c3492618f8b9511e58fe0d0N.exe"C:\Users\Admin\AppData\Local\Temp\223e82b8cf20efaa72667df87c34c3d765b224718c3492618f8b9511e58fe0d0N.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
61KB
MD5cc696d48e13b04a4b775df3c9efc82ef
SHA193e9546db641eb13653f90b36fa15806d1dac2af
SHA2567fb1e8764d5d5756e5cda2d746d06c08af8875b1dbc70a95123d487ee4e93ac0
SHA512b0ad426395386f480b7bc6cef942c1e9e0994d98ccb604755ba0737e907558ad6742ca76245cd803fad3ec235eea94ee1c353d3788cba71d76551cb5d4967444
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Filesize
481B
MD5fb4adfa634251f7d0410fa024d63ad55
SHA18df265f15363d31edd4d3e51aa055bae3f070a84
SHA2564681bf517d6588237fc3da4bf073c2cf45b3e007547dd43d22112c368a7bfc54
SHA51232331c23e7d02e96a9b0dc0e98dbd2549b7c5a1541d5a5739bcd63cd365d8dc415120ff8b816c84414b151305d503dd018da18711d5a935e803d2e5de34c66fc
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Filesize
593B
MD53b03d93d3487806337b5c6443ce7a62d
SHA193a7a790bb6348606cbdaf5daeaaf4ea8cf731d0
SHA2567392749832c70fcfc2d440d7afc2f880000dd564930d95d634eb1199fa15de30
SHA512770977beaeedafc5c98d0c32edc8c6c850f05e9f363bc9997fa73991646b02e5d40ceed0017b06caeab0db86423844bc4b0a9f0df2d8239230e423a7bfbd4a88
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Filesize
593B
MD5926512864979bc27cf187f1de3f57aff
SHA1acdeb9d6187932613c7fa08eaf28f0cd8116f4b5
SHA256b3e893a653ec06c05ee90f2f6e98cc052a92f6616d7cca8c416420e178dcc73f
SHA512f6f9fd3ca9305bec879cfcd38e64111a18e65e30d25c49e9f2cd546cbab9b2dcd03eca81952f6b77c0eaab20192ef7bef0d8d434f6f371811929e75f8620633b
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Filesize
218KB
MD5fc8a4983ca0ea9ac970ebe492fba18e4
SHA1b02ba851c006aebe7bd6d8bb12a0b1bf5941ad31
SHA2561e54f5dc407706ab76e9685c27da64eb410ca4d60c5fbda806d401956d41ba52
SHA512161b1c6af3959fdd40c90b19af403295f404cd9be9487c6c49d7ce771c1991f8c4cbbbef1c37c93347042c1c8dcd84a77928f4ad71ca824b3711d0d5bbc32d58
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Filesize
324KB
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Filesize
380KB
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Filesize
1.7MB
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Filesize
380KB
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Filesize
324KB
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Filesize
728KB
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Filesize
728KB
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Filesize
1.7MB
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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
1.7MB
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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
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
1.7MB
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Filesize
728KB
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Filesize
728KB
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Filesize
728KB