Analysis
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max time kernel
141s -
max time network
150s -
platform
windows10-2004_x64 -
resource
win10v2004-20241007-en -
resource tags
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submitted
02-01-2025 01:49
General
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Target
8dbcde75d8c553e8bb9c68f17617307816626464d7feeeaa6339141f34d42312.exe
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Size
202KB
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MD5
56eccce595d3085fe03cecd5cd3cad22
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SHA1
0452fc8b7f38c1b18fda1b124d775307bf21b7d9
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SHA256
8dbcde75d8c553e8bb9c68f17617307816626464d7feeeaa6339141f34d42312
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SHA512
3c689200670d9bcbcb27b9555b738f8f5db4095aaaa9aef54330132be24550ae124c8aa762e26da5fb34b447756f54323287ed6e570dc7b81ae7c74f26574324
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SSDEEP
3072:N8nh2Hrp3Tlp+soN3BY2ZBHetwcyf1w5DYRZPQaQrhu8ihDNugrBVgc8gbmT2Pcs:ynw9lEs3hhyaubQTkhbrBVL8gbmT2Pcs
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\8dbcde75d8c553e8bb9c68f17617307816626464d7feeeaa6339141f34d42312.exe"C:\Users\Admin\AppData\Local\Temp\8dbcde75d8c553e8bb9c68f17617307816626464d7feeeaa6339141f34d42312.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
MD594456068365fd66538834f0f2bd80e57
SHA12f8b7fb8a737cb0f1f9b8cafb3e3b6977c8ae082
SHA2562b84c45d2ca217401181910edec54172a5e8b8f844aea7fba92cfca27c1a4fd3
SHA5127a93acf8ea107d5be55784d70d16a7a3740b3624f17f3934b130c89c2e05ff7ed37f0572a47b64863e23c171bfd569fd4b8770fe9ffc17a80809b65c1e59f61d
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Filesize
593B
MD5926512864979bc27cf187f1de3f57aff
SHA1acdeb9d6187932613c7fa08eaf28f0cd8116f4b5
SHA256b3e893a653ec06c05ee90f2f6e98cc052a92f6616d7cca8c416420e178dcc73f
SHA512f6f9fd3ca9305bec879cfcd38e64111a18e65e30d25c49e9f2cd546cbab9b2dcd03eca81952f6b77c0eaab20192ef7bef0d8d434f6f371811929e75f8620633b
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Filesize
202KB
MD57ba2db93f6459f63e35860825a2a9a63
SHA16c43a337bddfd05932532e5b9bd00fbbd482c0ab
SHA2568008eaac6235d497c0cbc5e60ed361e81852f82e4b03ca8d49e15d3b607187f1
SHA512a7666bb28309bab76f8a8d8f72a203ca843a4900bc88cb3eccdbc503aa4224b5eae1d3b556867eb779973b34b0707234545c361f5dcb907a906bfc7e79993928
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Filesize
12KB
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Filesize
380KB
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Filesize
380KB
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12KB
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Filesize
380KB
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Filesize
380KB
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Filesize
672KB
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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