Analysis
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max time kernel
150s -
max time network
150s -
platform
windows10-2004_x64 -
resource
win10v2004-20241007-en -
resource tags
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submitted
31-12-2024 03:14
General
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Target
bf65e3c1c93c37d06bdef819d93e3717c0bd513a9cfb8b3ba27007b480e7c5cf.exe
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Size
375KB
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MD5
546a7142d02de854e70709c610e6270f
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SHA1
4d6311e3c457ff68afff9dcd11401c7dfcc38ea7
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SHA256
bf65e3c1c93c37d06bdef819d93e3717c0bd513a9cfb8b3ba27007b480e7c5cf
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SHA512
4d48a2a852a3ab9f18cba3b31b9bd9228ff7a3a36a5bfb1d565d063bdbd6e861e3f1c26228207018fa71e3c8fc517e6caaf07a59e3fa0418f38d1fb9f26c45d8
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SSDEEP
6144:x3EmWPDNND9yRPzLq+YXFqaZiMLic9kzVd7EAC4TSs9EiU:2mWhND9yJz+b1FcMLmp2ATTSsdU
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\bf65e3c1c93c37d06bdef819d93e3717c0bd513a9cfb8b3ba27007b480e7c5cf.exe"C:\Users\Admin\AppData\Local\Temp\bf65e3c1c93c37d06bdef819d93e3717c0bd513a9cfb8b3ba27007b480e7c5cf.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
42KB
MD5dc08504f49b846299a043bbc791ec29b
SHA1545516f3eb4b5d81872204006d949abff38868ef
SHA256b5b206376b2318d0d13191e902f153c419917055369c73997be79997b1977d35
SHA512b5b45a9ec8d53be869f8f85661f6378abc7f12afe7aa404fcf5e0f2ef5d318915d6b9b677b3ab3b85d9a9df43532aa8188820c7a4e6d668ff3299a9221a5d182
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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
593B
MD53b03d93d3487806337b5c6443ce7a62d
SHA193a7a790bb6348606cbdaf5daeaaf4ea8cf731d0
SHA2567392749832c70fcfc2d440d7afc2f880000dd564930d95d634eb1199fa15de30
SHA512770977beaeedafc5c98d0c32edc8c6c850f05e9f363bc9997fa73991646b02e5d40ceed0017b06caeab0db86423844bc4b0a9f0df2d8239230e423a7bfbd4a88
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Filesize
593B
MD5926512864979bc27cf187f1de3f57aff
SHA1acdeb9d6187932613c7fa08eaf28f0cd8116f4b5
SHA256b3e893a653ec06c05ee90f2f6e98cc052a92f6616d7cca8c416420e178dcc73f
SHA512f6f9fd3ca9305bec879cfcd38e64111a18e65e30d25c49e9f2cd546cbab9b2dcd03eca81952f6b77c0eaab20192ef7bef0d8d434f6f371811929e75f8620633b
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Filesize
61KB
MD5d6b206ef99da89a675eaadc604dcd755
SHA166329add49e79ff7951e4e8658e298986e12fa06
SHA256deb192133e31575104e97fb867ec941e554b0a90eb6c57353570120aa9eb7bee
SHA512be87f74641813f6a6769ecfedbe079fa9dc7ab3954fe39ad12b2e8fdd693e9aa143ef104e2d0aecc9f14be05e151d4273e5b331214c3a6cdf929359d814ea24b
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Filesize
41KB
MD51700a800dfa01cee500bdc1edecd6a79
SHA11705c2c75cf8f50ee44bba4e6dc2fbcab42521c9
SHA2561a8a4a20acfa3fb57994a9318dfac6bd2ea6625e71345f33c9e0e5c30b78ad9d
SHA5123bc927762631ef8e03c4c470494411f34e3578180f2179789f90c5158554f377cb30e48f43ec963d187ba7d1cedb3748a15146a3d138e12b689d0f0edb3a521d
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Filesize
375KB
MD54c268ba168605f91350d70ed2e2ed40b
SHA1fb910ce51dd273e44b88f1d11c68b862c5e5be61
SHA256879b2591f33155fb69c5df909aa048ada70cc8bb43c842ab1a9ff0f32800e3b8
SHA5129c2a1d01850a42fb8205ea65fb6b9537d94cc084532232d5f620dbde48559fee41f76baec5713ba4d2d2d152394774c0251b627d4705dec63e5ffffcb0d718b4
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Filesize
400KB
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Filesize
400KB
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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
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
400KB
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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
400KB
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Filesize
728KB