Analysis
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max time kernel
111s -
max time network
121s -
platform
windows10-2004_x64 -
resource
win10v2004-20241007-en -
resource tags
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submitted
31-12-2024 10:38
General
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Target
e55f6537baf11c31c5a0b6f1e924b6c90bdb7cec0f975329b1d28dd8824cd6b2.exe
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Size
218KB
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MD5
41ac6b56bc55a32086a5e927cf4e31e5
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SHA1
5a221f481456c1fe792482c5e634ae9b91a62c82
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SHA256
e55f6537baf11c31c5a0b6f1e924b6c90bdb7cec0f975329b1d28dd8824cd6b2
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SHA512
1631f08fc33a56e9055f07248a0b3963553c271c02cf02a5ce60905c46c2e2bf2ac438dff027dc055fbe36782c26690a39ed4d15f9c78018f6e6e990d236dc34
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SSDEEP
6144:YEQBDdO1z7L/EIhZDE9oLfFWlMZT7+DGaMwICW:YEGDdQNHEwWlMxYG/wIx
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\e55f6537baf11c31c5a0b6f1e924b6c90bdb7cec0f975329b1d28dd8824cd6b2.exe"C:\Users\Admin\AppData\Local\Temp\e55f6537baf11c31c5a0b6f1e924b6c90bdb7cec0f975329b1d28dd8824cd6b2.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
168B
MD5d57e3a550060f85d44a175139ea23021
SHA12c5cb3428a322c9709a34d04dd86fe7628f8f0a6
SHA25643edf068d34276e8ade4113d4d7207de19fc98a2ae1c07298e593edae2a8774c
SHA5120364fe6a010fce7a3f4a6344c84468c64b20fd131f3160fc649db78f1075ba52d8a1c4496e50dbe27c357e01ee52e94cdcda8f7927cba28d5f2f45b9da690063
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Filesize
42KB
MD5d8ab4daa90973241cba553c1a3ff79d8
SHA1c69ab1bf792b28712b2283a37fe4842a80627665
SHA2569ef83dd6af28828156cc1925520b71d79c80e299ea4a8f39279dc048f6254237
SHA51219d3c9bc9cb6d6977a8f81a6c88fb735361ab4bcb73efde1b73fc1ec491c3515d880e6c8906f772559492eb8c99691f4214665e699176d8a61950549ce7f5bc0
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Filesize
162B
MD54f8e702cc244ec5d4de32740c0ecbd97
SHA13adb1f02d5b6054de0046e367c1d687b6cdf7aff
SHA2569e17cb15dd75bbbd5dbb984eda674863c3b10ab72613cf8a39a00c3e11a8492a
SHA51221047fea5269fee75a2a187aa09316519e35068cb2f2f76cfaf371e5224445e9d5c98497bd76fb9608d2b73e9dac1a3f5bfadfdc4623c479d53ecf93d81d3c9f
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Filesize
12KB
MD5caa300673c11a7627a7b6346e1a93b61
SHA17ecaf36f1e150c478b6cfc3446ec7f0c662c071a
SHA25642ae110a0ecd0d83c4f12314d42a585354b501856dc3c7b483123fcbc317f2aa
SHA512f11f1182d2fdc14b2c64e2221091e318f76c9a41824977c1a93bf2077300bba919ca4a01c80340c4c20d239ac6dbadf091f544891f0ec72df62a6cc11231faa6
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Filesize
61KB
MD5f08652443a71713956cdc7956791fed3
SHA1c465b4dfa142f57bc97672f80738f069596da2f7
SHA256318095ea3689dbaa752bd3d12bb8486670c7f86ff646cdbd8f85b27e2d8aa1b9
SHA5122a949216e49be22a9310dea85cca2df99a73af6f399ecbd6a1ebf2db951935e02456e4a92f81fb7c83138141baaf19b6242b7899e13d16be1fe3564ce8fe0321
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Filesize
593B
MD5926512864979bc27cf187f1de3f57aff
SHA1acdeb9d6187932613c7fa08eaf28f0cd8116f4b5
SHA256b3e893a653ec06c05ee90f2f6e98cc052a92f6616d7cca8c416420e178dcc73f
SHA512f6f9fd3ca9305bec879cfcd38e64111a18e65e30d25c49e9f2cd546cbab9b2dcd03eca81952f6b77c0eaab20192ef7bef0d8d434f6f371811929e75f8620633b
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Filesize
61KB
MD583160c55c18388171401cf3706e389ce
SHA18f421ca79a00af06b2438606309bb1a965755b32
SHA256b085f79ea8d72a19fa655058dadb5be78345dadd470de30d981913428942af89
SHA5121a45b200f0edbadf6cf8a5386cfe651196f719d8f9bd03f510853891b195f3fb1bff6674cb9d690f5b9bacf809423c6e035311f15851fc88cf2ab62e6eb2b8fa
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Filesize
24KB
MD5bfb784eaf6a855f8dc8a1ded194440b5
SHA10872d1d89162f5337b0ec6837cb08a47f11a976c
SHA2566b00948118140b4239da4951daa1cb5a3312b68ebb86a59532e59a52531de0b3
SHA51282c787f39448a94e83550ebc03964a74640b28320568cf3bc4914354ff2bc9757fdc2b4245503f247d7497ace6c4d2aa5eb09c6bfa087ee8ec7d002996109a0f
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Filesize
42KB
MD512a247fd3f612bb318b1a6dfb2287be0
SHA1e6db0a8224a679d3c29d2b3ff1629c52771adc07
SHA256d293f8c518b3620e086cedff8b4fc280324999fdc108effd8403a91f0a5dce5e
SHA512114ab32cda0ad5ddfef47b42b7fbe206ff73594423317cbb4a8ff5d167bf9d050bf976373dd63beadf330b9db9e7c410756da14aa986c1edc79572592490a7a5
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Filesize
218KB
MD5d4df447d63a6f818fc3394d61a83f074
SHA10f41514f6b427ffaa059d3e0e59a09e47d3555d4
SHA2566fe0ffcd415153e82d88c0f13600535459fc19de8aca663219264167f211f712
SHA5129cb3643265b932cfc0c6f32de9f2ea9caf83b43d2a102bb6cdb354e9d7d733a371ebb9fcc3695cee398cc6636ea66ba4bbcc50d8fefb349e1bceb2f02d8cd606
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Filesize
728KB
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Filesize
728KB
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Filesize
728KB
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Filesize
728KB
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Filesize
728KB
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Filesize
728KB
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Filesize
728KB
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Filesize
728KB
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Filesize
728KB
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Filesize
728KB
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Filesize
728KB
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Filesize
728KB
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Filesize
728KB
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Filesize
728KB
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Filesize
728KB
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Filesize
728KB
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Filesize
728KB
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Filesize
728KB
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Filesize
728KB
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Filesize
728KB
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Filesize
728KB
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Filesize
728KB
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Filesize
728KB
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Filesize
728KB
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Filesize
728KB
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Filesize
728KB
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Filesize
728KB
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Filesize
728KB
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Filesize
728KB
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Filesize
728KB
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Filesize
728KB
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Filesize
728KB
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Filesize
728KB
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Filesize
728KB
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Filesize
728KB
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Filesize
728KB
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Filesize
728KB
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Filesize
728KB
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Filesize
728KB
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Filesize
728KB
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Filesize
728KB
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Filesize
728KB
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Filesize
728KB
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Filesize
728KB
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Filesize
728KB
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Filesize
728KB
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Filesize
728KB
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Filesize
728KB
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Filesize
728KB
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Filesize
728KB
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Filesize
728KB
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Filesize
728KB
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Filesize
728KB
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Filesize
728KB
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Filesize
728KB
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Filesize
728KB
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Filesize
728KB
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Filesize
728KB
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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
324KB
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Filesize
380KB
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Filesize
2.8MB
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Filesize
380KB
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Filesize
324KB