Analysis
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max time kernel
149s -
max time network
154s -
platform
windows10-2004_x64 -
resource
win10v2004-20241007-en -
resource tags
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submitted
19-12-2024 01:23
General
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Target
a4b36ec5a5def2a86ff298b3c367d7c3fdb4ea5e292f0c2935897ed9b6d63477.exe
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Size
686KB
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MD5
6ccdfc62326c34cc2593ed95867c418f
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SHA1
88a8e133601f9a0b3f5ee56e18e8718d57c151d2
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SHA256
a4b36ec5a5def2a86ff298b3c367d7c3fdb4ea5e292f0c2935897ed9b6d63477
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SHA512
b8ba9baa803c36963313bba7b48c1ace9a79c5d43107d5775b71bde2966e472f0bf12c6ba2797d39fe0a75116c563bddc8b9e3d7912b1e558977c5b73f0fab28
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SSDEEP
12288:5mWhND9yJz+b1FcMLmp2ATTSsdApVHyGbs2CYPHrLpVmCbHDSgpX:5mUNJyJqb1FcMap2ATT5itjCYZ3DSoX
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\a4b36ec5a5def2a86ff298b3c367d7c3fdb4ea5e292f0c2935897ed9b6d63477.exe"C:\Users\Admin\AppData\Local\Temp\a4b36ec5a5def2a86ff298b3c367d7c3fdb4ea5e292f0c2935897ed9b6d63477.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
12KB
MD5caa300673c11a7627a7b6346e1a93b61
SHA17ecaf36f1e150c478b6cfc3446ec7f0c662c071a
SHA25642ae110a0ecd0d83c4f12314d42a585354b501856dc3c7b483123fcbc317f2aa
SHA512f11f1182d2fdc14b2c64e2221091e318f76c9a41824977c1a93bf2077300bba919ca4a01c80340c4c20d239ac6dbadf091f544891f0ec72df62a6cc11231faa6
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Filesize
1KB
MD5dd42ccb680e1e97d46d95df50e2b2a4e
SHA16af95bdf6606def76fa4a255c356f45a5a21486b
SHA2561e618a7eebdf5ceeb9405f4f85ebe54583fb8d8e956acaa08ff746c9eb6afba9
SHA512c92a8390e4dd08e94adf25a37d9c9dfc7578d3819acf76d587340927e53913d330e183dc4f5131306199c502f667979f4d3c2a304cc491d145440d6b1c822603
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Filesize
1KB
MD5958c7d319529b37661a34dcf2a9665c7
SHA1938d182e7669af61153d6c3ef653a72efbd8069b
SHA256bf13850feb9c4fb558fa5dbea421e6e2eea05b7ab66a75faf90c21b8c2d467a8
SHA51226a21548c147b66b20f992943765ee9d3c9c24e22b283a93cd07e5413a9a7dc43a66e67c15ca31c39e2633e41d2ace6834d6b6f42327167dcb1e4991b79c0539
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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
MD59c12577198557c3d3e7a5e11cf651c7d
SHA16998b31683711c18af68a1374afdaddad8a1e12c
SHA256e44fea239c8f4bc994f3688b7fcf5b4443fbd5a3e5d29e3f416bf9e57aa9d994
SHA51272ca57f0864b91efb84320d04ae7f9169e2aaf1b0908322f216baa1c885e74d621dd1ba73244a06f5f32a27cd35c8530f048ffbbe41a91c8ab5991606719df9b
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Filesize
41KB
MD5a71e498026bc56efca3ac8928ffab27b
SHA10b593d7402aea16fac3f91c922f893a0d3483b84
SHA256b61e8d00bb18741d1fbca2b989fd85494a3ef16df627fd5ff41321392071202c
SHA5126c18ef75aa609fc3624f140145aae047d5aa1d07afb65718074f0a044508026a20eba28d87aae097b4fa1d5b117adab450f19fcc25a0210c3e625e15c063df24
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Filesize
41KB
MD51c9b2c1b217f31c6c1f09ba589e5fa63
SHA13b5d239e4a4e91575a0928b9d1b43d7b4246d3ee
SHA2562dbeff3063d830de3db4cb8cc39c7c8baf893b545307a4e9f3f065aeaceed5d3
SHA512569cf57e8d9f6a4f92eed48b4b7aac49924d88377c8a5774225a9de0f3e85cee2dcc73293cf1951a8e1dd30698f0e290d960fd59f49c3a959ec50aae9892dac8
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Filesize
686KB
MD56b321244a51ab84f3bafd32a6e12722a
SHA1f287dbc98c428f1ef85749f3e005eaa0b1056332
SHA256bcfde556822f921b711b04f9d8c98e1b2ceca84e7cbaf2b9a9b011eca7e8984d
SHA512e24b64eba748c57709e8f2283f18b923a6ba68bf18f14b76326b328c35f3fccdf6ec97acb92b9153dc2cb5d0ebe41e386a852986a64bae4e5fe19ca93fdbd80c
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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
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Filesize
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Filesize
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Filesize
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Filesize
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Filesize
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Filesize
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Filesize
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Filesize
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Filesize
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Filesize
672KB
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Filesize
728KB
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728KB
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728KB