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Analysis
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max time kernel
142s -
max time network
149s -
platform
windows10-2004_x64 -
resource
win10v2004-20250314-en -
resource tags
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submitted
15/03/2025, 06:45
General
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Target
a4e206f25f10476b0a1ceb26477eb1e1c8fb8e29d8400e6d189b0a4a287280c6.exe
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Size
218KB
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MD5
7fba57ef0d7e0e2f1662da2504c4a456
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SHA1
d62c719bfbf0bddae07e4b7ccdee6374631b23ff
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SHA256
a4e206f25f10476b0a1ceb26477eb1e1c8fb8e29d8400e6d189b0a4a287280c6
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SHA512
dd7ae4f449546c6853dd2400e0f1dbc5b3861fa864346fe797925ff33e8cbdfbdd86a764cbb482576a35a9d96a83cda9fc1751b6c246b7ce4a3d0d9e572695c1
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SSDEEP
6144:tEQBDdO1z7L/EIhZDE9oLfFWlMZT7+DGaMwIC:tEGDdQNHEwWlMxYG/wI
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\a4e206f25f10476b0a1ceb26477eb1e1c8fb8e29d8400e6d189b0a4a287280c6.exe"C:\Users\Admin\AppData\Local\Temp\a4e206f25f10476b0a1ceb26477eb1e1c8fb8e29d8400e6d189b0a4a287280c6.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
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Downloads
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Filesize
481B
MD539504ace95df8dcbef343af70dacdca7
SHA124dd15e9881c00f85e26226e7bfb7bff3e9a4f0d
SHA2565b06d08d96c0bdb5ce70f604b43fce77e94af3e0b177e902860e648868046c34
SHA512dc28f7b30ba67c5f2b04972ce98ac1cc3705ebea571db80ccde75026296a472c0399c069ae349c6b4625f8b4115229aabfb02f7ca5b2d6043ff14da2209fb638
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Filesize
593B
MD5926512864979bc27cf187f1de3f57aff
SHA1acdeb9d6187932613c7fa08eaf28f0cd8116f4b5
SHA256b3e893a653ec06c05ee90f2f6e98cc052a92f6616d7cca8c416420e178dcc73f
SHA512f6f9fd3ca9305bec879cfcd38e64111a18e65e30d25c49e9f2cd546cbab9b2dcd03eca81952f6b77c0eaab20192ef7bef0d8d434f6f371811929e75f8620633b
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Filesize
218KB
MD5a0586fed1c7e94054d2fe74bdb6ef45b
SHA1f898a8d77bd3d7a839427d95228ba462b1c60980
SHA2564fed4043bb39e1754faf7228793e92be6eb9176eff94013561279046029e1587
SHA512f10b9a61a3cff003553ac5cd4a90d05965c8ae30c1d8101de3f2b471682d73e368b15ce6e5a9fcef7ea7fd3d95835524eb14db93afced0e80a02e3afb4d58cb3
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Filesize
2.8MB
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Filesize
324KB
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Filesize
380KB
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Filesize
324KB
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Filesize
380KB
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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
2.8MB
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Filesize
672KB
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Filesize
2.8MB
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Filesize
728KB
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728KB
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728KB
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728KB
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728KB
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728KB
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728KB
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728KB
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728KB
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728KB
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728KB
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728KB
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728KB
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728KB
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728KB
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728KB
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728KB
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728KB
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728KB
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728KB
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728KB
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728KB
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728KB