Analysis
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max time kernel
148s -
max time network
150s -
platform
windows10-2004_x64 -
resource
win10v2004-20241007-en -
resource tags
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submitted
14/11/2024, 02:42
General
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Target
cd4bd61779a0aa8c6d7070adcc87766fdf686c23a0892d8fb4435859bf3c54d1.exe
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Size
1.0MB
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MD5
35ef3b8859dfd42df36c3e1b484b0ab8
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SHA1
0801d1cebb3af0d0d52a26f0a1001557a936202c
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SHA256
cd4bd61779a0aa8c6d7070adcc87766fdf686c23a0892d8fb4435859bf3c54d1
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SHA512
3e55d721392ac37dd005fc8b52a1f375cd13e5fed97d50a0446ebe74149a834b11ad4bbdfb847ddcd77f142e8d71157f9db1b4624023d955b822a07007e263c8
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SSDEEP
24576:WmUNJyJqb1FcMap2ATT5emUNJyJqb1FcMap2ATT5emUNJyJqb1FcMap2ATT58:WmV2ApemV2ApemV2Ap8
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\cd4bd61779a0aa8c6d7070adcc87766fdf686c23a0892d8fb4435859bf3c54d1.exe"C:\Users\Admin\AppData\Local\Temp\cd4bd61779a0aa8c6d7070adcc87766fdf686c23a0892d8fb4435859bf3c54d1.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
24KB
MD52a64bb77df01d6eba866fcd40f471b54
SHA12cc5fec785524576b10954c826c6f09276bf7630
SHA256efb5b646077de558ffe3d73ceb8826b8f47c9670d161d2c53fdd9a38db797d7e
SHA5126847381ccb84cabf20afbfec63663286601e5447affbf04db216885e803a0b639b166f6b2618b3ec98100bd3e877073e476616cb23889ca0f4dca184114f69a2
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Filesize
1KB
MD5bea06ba2c70c111b7f91121124c71e85
SHA1fea8d0824945aa1411d3bd15c465e0f94dc3790c
SHA25694fe9ef2538f71080578efca63cc6a6037356f19545404a39fefbe731b3871a0
SHA512fba321c97536a09177c457883fec56cd355675ee4e6988bd59fa625ccad2e5e74aad1cd5a42cb1c0819a2b2eab8e3cf7808bd88938d2912df88f306717419ae9
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Filesize
1.0MB
MD507336365d1d8bff7522117030103fd2f
SHA1b5414be30b33bd9e6032fbf5d0fd3eec1654a83e
SHA256395cb2614ec749eced2671b448e0897b3d401dd72c5cda04e2f072c187774b1b
SHA512267ac015babd4969d59989c054fc97257f0693bffa0cca4a770df61cb9da78dcaee4e311252a1694d0224922fe77c7c002b89219023a818ea9a4615de60c6c62
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Filesize
672KB
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728KB
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Filesize
380KB