Analysis
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max time kernel
106s -
max time network
119s -
platform
windows10-2004_x64 -
resource
win10v2004-20241007-en -
resource tags
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submitted
22-01-2025 01:42
General
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Target
05ae6e9bcdeb62392af85fddb75b074f180c0e51b29dfa834f14235d1c3cdbf0.exe
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Size
686KB
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MD5
b20af44b22723240b43ca867891319dd
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SHA1
6a590c494349cea8aee95cac07f8f5355c2c0375
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SHA256
05ae6e9bcdeb62392af85fddb75b074f180c0e51b29dfa834f14235d1c3cdbf0
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SHA512
5c4a3d5aaf12f62d57610642802170f1dc3b9ab9f00001b3e903bf2b1c3a3331bcb6b9cb27491dc7bedbd9d2323d8ed4a4f484de1caa7177e7ff093ae82f3df8
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SSDEEP
12288:WmWhND9yJz+b1FcMLmp2ATTSsdApVHyGbs2CYPHrLpVmCbHDSgpt:WmUNJyJqb1FcMap2ATT5itjCYZ3DSot
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\05ae6e9bcdeb62392af85fddb75b074f180c0e51b29dfa834f14235d1c3cdbf0.exe"C:\Users\Admin\AppData\Local\Temp\05ae6e9bcdeb62392af85fddb75b074f180c0e51b29dfa834f14235d1c3cdbf0.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
593B
MD5926512864979bc27cf187f1de3f57aff
SHA1acdeb9d6187932613c7fa08eaf28f0cd8116f4b5
SHA256b3e893a653ec06c05ee90f2f6e98cc052a92f6616d7cca8c416420e178dcc73f
SHA512f6f9fd3ca9305bec879cfcd38e64111a18e65e30d25c49e9f2cd546cbab9b2dcd03eca81952f6b77c0eaab20192ef7bef0d8d434f6f371811929e75f8620633b
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Filesize
686KB
MD52bd8623f2b54efcc4378d14a2d922017
SHA1c904a3cf53f357f6ef23946aa971c97a355bffe8
SHA256814982781423dc12a763191c1656f6734a8acf668c92ca5df417dd934ad9a789
SHA512ffd83d376d2123c8e174e1e0d950b41374058bf465ad3cf870d3490cc43ccdfa42c96aec01bb1ac81036294680fb83de8155fb458c68017f6dfe4ee4211a2dd3
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Filesize
672KB
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Filesize
728KB
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