Analysis
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max time kernel
117s -
max time network
118s -
platform
windows7_x64 -
resource
win7-20240903-en -
resource tags
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submitted
26-12-2024 07:40
General
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Target
562631ace6a0119b0eb539acc96afa2528fa83feae8508abf14d631f7cecd89c.exe
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Size
218KB
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MD5
d4a6f35f1300fe48276feea3a5ae607f
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SHA1
21c597348fe7e3a61aab5a786adf4068b0441035
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SHA256
562631ace6a0119b0eb539acc96afa2528fa83feae8508abf14d631f7cecd89c
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SHA512
7f4a03ca3c6ae39c9d59e1dcade74a355dac7c8a795888a2ab4f11eff7734f061b234974145d8c405eb7b55909d55fa0b9ea9bb47e059fa60f76daee58fdee4f
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SSDEEP
6144:GEQBDdO1z7L/EIhZDE9oLfFWlMZT7+DGaMwICG:GEGDdQNHEwWlMxYG/wIp
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\562631ace6a0119b0eb539acc96afa2528fa83feae8508abf14d631f7cecd89c.exe"C:\Users\Admin\AppData\Local\Temp\562631ace6a0119b0eb539acc96afa2528fa83feae8508abf14d631f7cecd89c.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
593B
MD5926512864979bc27cf187f1de3f57aff
SHA1acdeb9d6187932613c7fa08eaf28f0cd8116f4b5
SHA256b3e893a653ec06c05ee90f2f6e98cc052a92f6616d7cca8c416420e178dcc73f
SHA512f6f9fd3ca9305bec879cfcd38e64111a18e65e30d25c49e9f2cd546cbab9b2dcd03eca81952f6b77c0eaab20192ef7bef0d8d434f6f371811929e75f8620633b
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Filesize
218KB
MD53a59c5b86485993a002e9eefa189d65d
SHA1c682a99da48389379a3c58ab7f52ad93c1fd1532
SHA2561fecf301dbd4d4182a1a376b672ce680f4bae96abacb59991f895e446bd04f6a
SHA512f540cfa94529ec23656415953c90ca630fb706ff2987f26987c2775b588994acbf0ab668844b62df7b6014d5a519340d0ff56924c5b019bc0f06fcf98783cb22
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Filesize
2.8MB
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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
2.8MB
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Filesize
2.8MB
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Filesize
2.8MB
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Filesize
672KB
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Filesize
672KB
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Filesize
672KB
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Filesize
2.8MB
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Filesize
672KB
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Filesize
2.8MB
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Filesize
672KB
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Filesize
672KB
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728KB
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728KB
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728KB