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Analysis
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max time kernel
110s -
max time network
119s -
platform
windows10-2004_x64 -
resource
win10v2004-20241007-en -
resource tags
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submitted
22/01/2025, 00:31
General
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Target
3ffa43f5acbf5d4bd41cd7ba18a20b629dcafa309b64a96d9068dc5068b0ec56N.exe
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Size
686KB
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MD5
a0d856e53b15537e64dc67239f202230
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SHA1
8645b18e9e472a28dd2ead23decc41598e25cf1b
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SHA256
3ffa43f5acbf5d4bd41cd7ba18a20b629dcafa309b64a96d9068dc5068b0ec56
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SHA512
f120964871d5002a898e7eee7a804b89b8c53b1c76282322c0daffcf16312fe8dd7145f95951a4c6d40374290b51407a2d51153b5a83d152bde3b4044be013ca
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SSDEEP
12288:WmWhND9yJz+b1FcMLmp2ATTSsdApVHyGbs2CYPHrLpVmCbHDSgpH:WmUNJyJqb1FcMap2ATT5itjCYZ3DSoH
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\3ffa43f5acbf5d4bd41cd7ba18a20b629dcafa309b64a96d9068dc5068b0ec56N.exe"C:\Users\Admin\AppData\Local\Temp\3ffa43f5acbf5d4bd41cd7ba18a20b629dcafa309b64a96d9068dc5068b0ec56N.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
593B
MD53b03d93d3487806337b5c6443ce7a62d
SHA193a7a790bb6348606cbdaf5daeaaf4ea8cf731d0
SHA2567392749832c70fcfc2d440d7afc2f880000dd564930d95d634eb1199fa15de30
SHA512770977beaeedafc5c98d0c32edc8c6c850f05e9f363bc9997fa73991646b02e5d40ceed0017b06caeab0db86423844bc4b0a9f0df2d8239230e423a7bfbd4a88
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Filesize
12KB
MD5e1f035b24ce0e8137682b703d19315b5
SHA118712fd6ad888c146237d187332ccc904ff1f032
SHA256117ea4f0f411e1aaeab307c087a57678abcba7e6aa96a5bd1f2d5d7026d453a0
SHA51217a428fcea9d064e8318f0ef30da88c713209f5d591d2a4e9725d56663acdb96996569693804071aea17ddc793eade219409c4548e48d1ddc8814662236bae7d
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Filesize
12KB
MD5caa300673c11a7627a7b6346e1a93b61
SHA17ecaf36f1e150c478b6cfc3446ec7f0c662c071a
SHA25642ae110a0ecd0d83c4f12314d42a585354b501856dc3c7b483123fcbc317f2aa
SHA512f11f1182d2fdc14b2c64e2221091e318f76c9a41824977c1a93bf2077300bba919ca4a01c80340c4c20d239ac6dbadf091f544891f0ec72df62a6cc11231faa6
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Filesize
24KB
MD5314b4da33f77ee79dbc27fc8c2ff1491
SHA1fb4a6df6ef964f691aa48815fbcf028bf706a6d7
SHA256e51f743b0d0077a0e113ebf506c697df5310b301db905965f8abee29cf9366f0
SHA512b6084becb837987218beac74966aa8656a4ce7f4c5ca41ad963c6eedf75807fb4aa27910b08236fcee1f6a3d85825695a111ca13b27cc0618ba16d17d1acd0cc
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Filesize
61KB
MD514c1acd9023a4acd68138e2d0cbf5ce5
SHA186c0c633b75813e701eda27f2f28ec31e569462b
SHA2566557f3d0d720b8749c53de4c51645ad04db64c996059b5231a57880bf8a9c839
SHA512ac09f1d64ee9d3480c4eed5a27cdd7130829c74c25c323fb020f962c89bdd68063ce10176c8453283c503ad5923c40ffeb337655a2d59d9758473b8475208838
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Filesize
42KB
MD52b0625eddc3e92f1e2f842795649370a
SHA10f1495328e455bd22803af47d286b5878974f1d3
SHA256c2454ae11769a3f84f2f828818a13fc5b52a4dbb02815b8a9e21b2eba9486244
SHA5126e1d66a595f55ed44f69481ec89f4c7cd8cf233468131ceadeddfeea2dc8fe20d3d2e298b804be1127c7abf7bcb6e35e7aa7bf6525a3a567e19c03cd212816ea
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Filesize
593B
MD5926512864979bc27cf187f1de3f57aff
SHA1acdeb9d6187932613c7fa08eaf28f0cd8116f4b5
SHA256b3e893a653ec06c05ee90f2f6e98cc052a92f6616d7cca8c416420e178dcc73f
SHA512f6f9fd3ca9305bec879cfcd38e64111a18e65e30d25c49e9f2cd546cbab9b2dcd03eca81952f6b77c0eaab20192ef7bef0d8d434f6f371811929e75f8620633b
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Filesize
61KB
MD5bfe2433dfda257113f777e2dc1f2bf1e
SHA1d85e9811df8f5be5d51c6717f40375960b9241a0
SHA25633813c62ff1c0a1612940b7e10bf10c46eea4b184f158b693692322996f13195
SHA5123b26e41b45d26e859453bb9a5d73a04f35e49813c26bb534a2e1f055bf3f91210cda25061a43901e4449489bb1d3ceaf71454ea9b6b596e8ff2143332c0f39a8
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Filesize
24KB
MD5318867613f7be73cd381b6dd4ba99335
SHA1ccee7f39c84b226844e5b96a073c58f3cb80fd78
SHA25686de580053b4f0b8be9a1f9de289af06273f1a1e381618a488c7a7230b983ac1
SHA5124e9bd89bd7f309d3c3518b1edb6d8cdc1667319bca295fc6018803a2c3c9cb40d437b1ef5acd9a3bc0e0e54aeb195323f2424c96ab366a819fd7bb04bd165fb1
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Filesize
2KB
MD5f820d44d35d856b18937db52562f5589
SHA15705700b1abce44462ab7712366f5d1d908a50a6
SHA256695094a56f4a36ab3abfb358931afc2ece66786c4c0cbaecd9332b2b9bcc2b2c
SHA51232242f07dda908ac48d2fa13ad4935ea82d5143ca974ab2df6b67440824b50800664338b0eeda16a9445bb07d17b5849cc3746405c3ad8fe138bc63d25915337
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Filesize
686KB
MD52c3f1b7648d10f59c6b0dceda2f43d63
SHA1f79b032b2cbfaa18ec003d7354916fd5c0fd7e94
SHA2568c8fc3719f8af62c0141d146ff17d9a541ca89b33df5b5f78ea784202c172162
SHA5127007b668071fb74563900c851e78dbc5b44ea20524761091c576c0c0131088051e40a909144331590e6b6252dcaedd2d305840e715fa34a6bf18ad24c4627baf
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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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728KB
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728KB
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Filesize
728KB
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Filesize
728KB
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728KB
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Filesize
728KB
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Filesize
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Filesize
728KB
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728KB
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Filesize
672KB
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Filesize
728KB
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Filesize
728KB
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728KB
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728KB
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Filesize
728KB