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Analysis
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max time kernel
117s -
max time network
119s -
platform
windows10-2004_x64 -
resource
win10v2004-20241007-en -
resource tags
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submitted
16/12/2024, 11:19
General
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Target
3114d2ff7ccf405c3ada70beb2fc0c5f15797621b4a8ac4917f298c51ff1f007N.exe
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Size
1.0MB
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MD5
f03fb123b235af5860c515a64e5ba1d0
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SHA1
e3a1ec90d8ad6471726df5bb685f0d1e586b2359
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SHA256
3114d2ff7ccf405c3ada70beb2fc0c5f15797621b4a8ac4917f298c51ff1f007
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SHA512
9676dd31c2c8349d21e4d14eacd59a057827553bfec7427534dd5c352aee259af517f0d244dd90f05ece971dd479ef53f440fa4a51c8131e2faf2e24dbf1331d
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SSDEEP
24576:8mUNJyJqb1FcMap2ATT5TmUNJyJqb1FcMap2ATT5TmUNJyJqb1FcMap2ATT58:8mV2ApTmV2ApTmV2Ap8
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\3114d2ff7ccf405c3ada70beb2fc0c5f15797621b4a8ac4917f298c51ff1f007N.exe"C:\Users\Admin\AppData\Local\Temp\3114d2ff7ccf405c3ada70beb2fc0c5f15797621b4a8ac4917f298c51ff1f007N.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
12KB
MD5caa300673c11a7627a7b6346e1a93b61
SHA17ecaf36f1e150c478b6cfc3446ec7f0c662c071a
SHA25642ae110a0ecd0d83c4f12314d42a585354b501856dc3c7b483123fcbc317f2aa
SHA512f11f1182d2fdc14b2c64e2221091e318f76c9a41824977c1a93bf2077300bba919ca4a01c80340c4c20d239ac6dbadf091f544891f0ec72df62a6cc11231faa6
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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
MD54a1e26da354b956a496bec495eef81c5
SHA12686205390f8bf061be848b71791f6da810d324c
SHA256ee0034af3fdd24b95a805d29549576e0352c079a10705ffe682c592c5e3ab81f
SHA51245a1ed7817486172aa8befbba47032751d717a0e2350f950532b9b6c0fa69da5e7f817605e5b7852fdf8da301fe95d97545b2060249b9a2afa2ea34fa816c10f
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Filesize
1.0MB
MD5389d2871cf11fb95ac0a1cec0603c442
SHA1d9e76710b9ce91c6e7291b3f606bcd1496169bb5
SHA2562e44ab8480a4a1dba2b08c01b38d7f6c331d43585cb75e30a265a152f53e74a6
SHA5120fa5ad3a2a64427d67f28a8549f7c58d93c157c479bd5a14b04e523ffa13bd118c9270aede804b5cf3a9897b2be7aa6b20ab8e3e23986bab3cbea906a3d7fb5b
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Filesize
380KB
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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