Analysis
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max time kernel
149s -
max time network
150s -
platform
windows10-2004_x64 -
resource
win10v2004-20241007-en -
resource tags
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submitted
25-12-2024 19:48
General
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Target
a35bb80a76bf8cc720b04c06e92fe43117ecd5f45ae885feae7ec02ac7123782.exe
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Size
218KB
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MD5
b2a2ec5cda547f4f486f28f0da36e04f
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SHA1
92d131ecb12bc201b40d80b0e7b078f04594bc1d
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SHA256
a35bb80a76bf8cc720b04c06e92fe43117ecd5f45ae885feae7ec02ac7123782
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SHA512
8d1dff2d734d1dc2375bbaa9e0552d2c8da83897de68190cef71c5cd4e790293b74c7f8edf226a592fb01951420350e8334c1ec1bab96778615ec25e072dda18
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SSDEEP
3072:Ovm4SZsQrNzPrl6rjGMjp39d4u8iqddCxMIJOb2o5DsBPjim6hwM2H6:Q1SyAJp6rjn1gOObn4b6h9h
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\a35bb80a76bf8cc720b04c06e92fe43117ecd5f45ae885feae7ec02ac7123782.exe"C:\Users\Admin\AppData\Local\Temp\a35bb80a76bf8cc720b04c06e92fe43117ecd5f45ae885feae7ec02ac7123782.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
Loading Replay Monitor...
Downloads
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Filesize
162B
MD54f8e702cc244ec5d4de32740c0ecbd97
SHA13adb1f02d5b6054de0046e367c1d687b6cdf7aff
SHA2569e17cb15dd75bbbd5dbb984eda674863c3b10ab72613cf8a39a00c3e11a8492a
SHA51221047fea5269fee75a2a187aa09316519e35068cb2f2f76cfaf371e5224445e9d5c98497bd76fb9608d2b73e9dac1a3f5bfadfdc4623c479d53ecf93d81d3c9f
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Filesize
42KB
MD5589365f7fab8a6adf08bc3c2ffd0af75
SHA1c3622c4689dd1135a9b1606fe72fdd926fdfdf82
SHA256ce65bf76f7cfcdc5ad3fa3b7c3eb51e9485f183b153f04fc9b10cf3e25e56d8d
SHA512e724d273ab27e51ff49443138320f2320aea5c90cd4a364ff89ac04440fb5a8d8d02b20a53988ad6ec961dceed6b426e6e38828fb5bfe8651c40697af663c6f5
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Filesize
42KB
MD5de135f85980cf9588906bd7a4564e49f
SHA1cff65b6e9eb6e5ed67c1832731b465beb3e8ae70
SHA2568590631a4c375642658390717d686041a511923697a67a79e2bcb1675f8f7924
SHA51227c35c0012b13a8b23e411ce79969d579e3cdbdf3ad8c530c6fd2cdaed177117b4e4ef114402126d8775cccb58243a2898f2eef6a2d53d190a71ad4870eb4740
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Filesize
593B
MD5926512864979bc27cf187f1de3f57aff
SHA1acdeb9d6187932613c7fa08eaf28f0cd8116f4b5
SHA256b3e893a653ec06c05ee90f2f6e98cc052a92f6616d7cca8c416420e178dcc73f
SHA512f6f9fd3ca9305bec879cfcd38e64111a18e65e30d25c49e9f2cd546cbab9b2dcd03eca81952f6b77c0eaab20192ef7bef0d8d434f6f371811929e75f8620633b
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Filesize
61KB
MD51caa7e96aa7c52fefb1249d870d625be
SHA1f23cd2ab171d47664f495d6f16384a26edcedc33
SHA256e7a94e0e7e8df12bb0dea21661104dfde1286c4766b5018db24ac31eaafe1c02
SHA5127647a2446430d27ad7f45de69caf66dbb1a5446e4c6cc5a3ab2e7be07874bcaaee207810fdc4ad0b052725122655dee3a22a4103917fced64e20dcbb7dfcf109
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Filesize
218KB
MD54844f968eecf11e9767afb338c565d3e
SHA15c9d5f783ed646f6ee338f6675bce1adef5a12b1
SHA25661e311f15801dbe2cc5d2fffbca87fb33725ada6d7bd67223e7dd34a4be4e4f7
SHA51266c125d9ffa7ec3068d995d92b125dd32141bb92a26b20ce9d7e50fa92b983bcb48ddd95a832a8d8e470a1748fc4de9ee329fc53a12f038a2eda7e05f8c0d3be
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Filesize
324KB
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Filesize
380KB
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Filesize
380KB
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Filesize
324KB
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Filesize
1.7MB
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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
1.7MB
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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
672KB
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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
1.7MB
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Filesize
1.7MB
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Filesize
728KB
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Filesize
728KB
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Filesize
728KB