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Analysis
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max time kernel
149s -
max time network
150s -
platform
windows7_x64 -
resource
win7-20240903-en -
resource tags
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submitted
31/12/2024, 03:35
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
593B
MD5926512864979bc27cf187f1de3f57aff
SHA1acdeb9d6187932613c7fa08eaf28f0cd8116f4b5
SHA256b3e893a653ec06c05ee90f2f6e98cc052a92f6616d7cca8c416420e178dcc73f
SHA512f6f9fd3ca9305bec879cfcd38e64111a18e65e30d25c49e9f2cd546cbab9b2dcd03eca81952f6b77c0eaab20192ef7bef0d8d434f6f371811929e75f8620633b
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Filesize
355KB
MD5f07bed606f6a8b2a0db5d4480ce7b0f1
SHA1ede03850d0ba06804158c239077ed1dd2b8b48ee
SHA256c05aab5846fc9d46a04ef64ea4463a27fc17e541b60a35885d0017781693134d
SHA512abe775319241feb4dce224e3b9e56af14da1abbc0e515b1b76d4afc2f78dd1f07f144089e24a00fd77204eb6bd20252f1635067f4559241956551b3bcb0f1096
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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