Analysis
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max time kernel
112s -
max time network
118s -
platform
windows7_x64 -
resource
win7-20240903-en -
resource tags
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submitted
31/12/2024, 03:29
General
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Target
5f7ad406aab750c91d1de29f720e83b0a39a5429238b34d9fc9780d2b0e7d225.exe
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Size
355KB
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MD5
bd7b61f52ced531b9b1a197ed6f5bb70
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SHA1
69cbeb9c2877224b4f68d0bada596a68ff851a5f
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SHA256
5f7ad406aab750c91d1de29f720e83b0a39a5429238b34d9fc9780d2b0e7d225
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SHA512
3f31743f8c1f71d56cc19336406ff37ea9bc6b35ae752c5d516cfac002f99ded067a51a2497628f750422c2a7bd7ae32f65a7c3929ca2ab7c988aff99dcdc12b
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SSDEEP
6144:Y3EmWPDNND9yRPzLq+YXFqaZiMLic9kzVd7EAC4TSs9EiS:jmWhND9yJz+b1FcMLmp2ATTSsdS
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\5f7ad406aab750c91d1de29f720e83b0a39a5429238b34d9fc9780d2b0e7d225.exe"C:\Users\Admin\AppData\Local\Temp\5f7ad406aab750c91d1de29f720e83b0a39a5429238b34d9fc9780d2b0e7d225.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
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Downloads
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Filesize
41KB
MD582f186a95322920074914e5750afd482
SHA163b047b37da23c70e5e4ebde537dfc6ceedc942d
SHA2563445c8e0e28090f62dbed435416adae15f43dd5b46d8374d3c9b594ed499e0ec
SHA5120c546066e5c27044a421028cb2916bdaee506cc5e1cbd28c1e111b7ca69f43fe773e11f9bbb89f98fac1a291f13ecdb2537b8c440ae4fdc63386c2491cb4a3ce
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Filesize
355KB
MD5a66ee1cea5e48c44333b4f049fc01852
SHA1d2f01f58195ff32a74bb37a17a17557838da16bd
SHA256f53070e76b74ec0723caf3f4ba437b85f3ec499c93faaed2f964d719379817a7
SHA512ca936f9169030bbdaeaa796dd6b57e0da6d84ad84bbf0e9b2aaf4844126195ca8fd433eb387f166377ce7a10bb7f9628be56f7ee99fa3d0c2decdcc8693048bc
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Filesize
672KB
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Filesize
672KB
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Filesize
672KB
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Filesize
672KB
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Filesize
672KB
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Filesize
672KB
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Filesize
728KB
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Filesize
380KB