Analysis
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max time kernel
115s -
max time network
126s -
platform
windows10-2004_x64 -
resource
win10v2004-20250129-en -
resource tags
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submitted
04/02/2025, 15:51
General
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Target
136ebb6ea523d6a0272d94276ae8e9436a2dc92f84d656fd7bd4cf9feb2221ddN.exe
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Size
213KB
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MD5
c97ec9e86f6a44ded4cbdd91b89710b0
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SHA1
84b2eaea812c380fb183b0286ec2b7e0dcc0f6bb
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SHA256
136ebb6ea523d6a0272d94276ae8e9436a2dc92f84d656fd7bd4cf9feb2221dd
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SHA512
91b31f070818c59cab3fc0fe70455ca21bb55cf63dba9e5a6ab7b87231384a901d44d75cc3490ed8422aafbbc035916c40f8c8a13b379329cdeb6d866784b2fd
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SSDEEP
6144:kQfbXnEreyARNf+fIfvEEDi3EJ3FzbPotDy:zXkej+f4VDOEVdbgt
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\136ebb6ea523d6a0272d94276ae8e9436a2dc92f84d656fd7bd4cf9feb2221ddN.exe"C:\Users\Admin\AppData\Local\Temp\136ebb6ea523d6a0272d94276ae8e9436a2dc92f84d656fd7bd4cf9feb2221ddN.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
162B
MD54f8e702cc244ec5d4de32740c0ecbd97
SHA13adb1f02d5b6054de0046e367c1d687b6cdf7aff
SHA2569e17cb15dd75bbbd5dbb984eda674863c3b10ab72613cf8a39a00c3e11a8492a
SHA51221047fea5269fee75a2a187aa09316519e35068cb2f2f76cfaf371e5224445e9d5c98497bd76fb9608d2b73e9dac1a3f5bfadfdc4623c479d53ecf93d81d3c9f
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Filesize
61KB
MD540374392d5dcb9c0380e15c348a85ccb
SHA14ea1b0e67ad37ee03fa1242d78319c4edcaf5038
SHA2569bf2cb9e87a65629cb4e1063c90b8479bdc00a78759f7f343aff883414692ec6
SHA5126aecd7d05046fca38d63da1a60726dcdd73c6136523ac38f999e9bce8347e34d4e07ee93583469f9461cb74981d9efb8da0e6926e103dc461da33067fb433281
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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
61KB
MD5d3b516fdf5590a85a2f0c9605374da69
SHA1eb1a11de812aef256558a6f22802ea4ddbfb9470
SHA256bd84934eace55bedd0cc4102684d194c992f45da322962c6b50b9574283893b9
SHA5128689a0aa6e0d227146d9c8ca90168b351645bb8a5316b3a5df1d29ede2d9d6776cfcb72252b268a69aa1b2ac58b7b2c75424d67ddafaaa89da082f52e6d8f2f9
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Filesize
41KB
MD5fa7a959e432a6a909858a1d7e513ee1f
SHA1890e40d87160c2023d247c9cf66f3e2f4e9016ea
SHA256d6929595dcc703046dab6e26e006ba8d050037826fb4194123951a9217c02d96
SHA512a0b930f4316d97d5b77e67ea889daa7961837dab61acecd44ad23ec5f6ccb30351806a492505dff41a65eae8d03e4e8d1e02e2a7f710cf6637aac7c55dd6993b
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Filesize
213KB
MD5d36d859085ff2df508274af78d934f7c
SHA18ec13d4736df299efd8e973abbd2d3da22ba7ba5
SHA256868c5146fcb07162eb38ac61ad60dca579f9b42b436d26832ac4de58ca3d65cb
SHA5126f5ad543cea3462028d0e45eb8c74a0f4844298bdf3f357bc7273e129b968fc2d9b57ad22f206e2ac9169d366ce32a137c607b9c78336cb785d79438c7a8f41c
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Filesize
324KB
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Filesize
324KB
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Filesize
380KB
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Filesize
2.3MB
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Filesize
380KB
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Filesize
2.3MB
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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
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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
2.3MB
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Filesize
672KB
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Filesize
2.3MB
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Filesize
2.3MB
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Filesize
2.3MB
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Filesize
728KB