Analysis
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max time kernel
148s -
max time network
150s -
platform
windows7_x64 -
resource
win7-20240903-en -
resource tags
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submitted
02/11/2024, 12:40
General
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Target
904d1e156a65d8d443e9295cca6ece545f25299b69adf99cdc1418c6475403a6.exe
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Size
380KB
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MD5
8dfed84605e1bbbd0be29a7626ae3849
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SHA1
6f4484f453be735a774e5af3e85214887c8389b1
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SHA256
904d1e156a65d8d443e9295cca6ece545f25299b69adf99cdc1418c6475403a6
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SHA512
2706c2381c4b326d2aca0a3b88f988acdffc42efaf83540afde7b0bbf38998d19731b2f7feef09f896a05eed349efabaaa26908922f43c091212a4d483eb6eec
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SSDEEP
6144:KaEmWPDNND9yRPzLq+YXFqaZiMLic9kzVd7EAC4TSs9EiwmryP:WmWhND9yJz+b1FcMLmp2ATTSsdwmryP
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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Loads dropped DLL 2 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 4 IoCs
Processes
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C:\Users\Admin\AppData\Local\Temp\904d1e156a65d8d443e9295cca6ece545f25299b69adf99cdc1418c6475403a6.exe"C:\Users\Admin\AppData\Local\Temp\904d1e156a65d8d443e9295cca6ece545f25299b69adf99cdc1418c6475403a6.exe"1⤵
- Loads dropped DLL
- 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
42KB
MD5df9e27427f78e7c5631c2f59988e817d
SHA19b04c62bd70fd7cf283397d215f5b37214f6d19e
SHA256c59c51632881f289f6ff466a30d09ff13bf5d0461d134058f76be4308b04a6ad
SHA512dae762718e3e655fe69d3c6b93bfe2883749e8623b96f046057e309ddf85b361730c3b99ed5d660484cfc97ba48e6a97f592bb0ea78dc39380c4d255ab856e6b
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Filesize
593B
MD5926512864979bc27cf187f1de3f57aff
SHA1acdeb9d6187932613c7fa08eaf28f0cd8116f4b5
SHA256b3e893a653ec06c05ee90f2f6e98cc052a92f6616d7cca8c416420e178dcc73f
SHA512f6f9fd3ca9305bec879cfcd38e64111a18e65e30d25c49e9f2cd546cbab9b2dcd03eca81952f6b77c0eaab20192ef7bef0d8d434f6f371811929e75f8620633b
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Filesize
380KB
MD59d6ca7722de5c8b88cc51f8c9734d991
SHA1279b92d9bbc256b222e72d53f50f96617bef5ca8
SHA256d9d552577a7ab2442842fc9909c98970218747acd9401a9ce1ec208c3c70461e
SHA512f89733bd9a705abf89be10078f5c3263aa0495b59ce65d62ce1dfc1765c2291b0802fc6a52f1b0ae82fd92da3c4b750616d010755c72bd9784fed32a0d1e810e
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Filesize
672KB
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Filesize
672KB
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672KB
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672KB
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672KB
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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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Filesize
428KB