Analysis
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max time kernel
111s -
max time network
120s -
platform
windows10-2004_x64 -
resource
win10v2004-20241007-en -
resource tags
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submitted
05/02/2025, 10:26
General
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Target
83b9c68eef5d448a31a604b2f82e7f066991c30a75c24ae96364aa985299bb48N.exe
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Size
218KB
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MD5
96e0f884f678e5d1eb9a4c3510eba970
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SHA1
6c810af7e17f0dc66dccb3836ad745b952ff77fa
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SHA256
83b9c68eef5d448a31a604b2f82e7f066991c30a75c24ae96364aa985299bb48
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SHA512
6d825c859acbd295964e8caea9a9170ad506bfd2a2a98fe55765b1278475bbc27a5d129db73323f3736ad80f9d06654ec722171cbd451d7bf8a7ef85198dee11
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SSDEEP
6144:OEQBDdO1z7L/EIhZDE9oLfFWlMZT7+DGaMwICW:OEGDdQNHEwWlMxYG/wIR
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\83b9c68eef5d448a31a604b2f82e7f066991c30a75c24ae96364aa985299bb48N.exe"C:\Users\Admin\AppData\Local\Temp\83b9c68eef5d448a31a604b2f82e7f066991c30a75c24ae96364aa985299bb48N.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
162B
MD54f8e702cc244ec5d4de32740c0ecbd97
SHA13adb1f02d5b6054de0046e367c1d687b6cdf7aff
SHA2569e17cb15dd75bbbd5dbb984eda674863c3b10ab72613cf8a39a00c3e11a8492a
SHA51221047fea5269fee75a2a187aa09316519e35068cb2f2f76cfaf371e5224445e9d5c98497bd76fb9608d2b73e9dac1a3f5bfadfdc4623c479d53ecf93d81d3c9f
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Filesize
593B
MD5926512864979bc27cf187f1de3f57aff
SHA1acdeb9d6187932613c7fa08eaf28f0cd8116f4b5
SHA256b3e893a653ec06c05ee90f2f6e98cc052a92f6616d7cca8c416420e178dcc73f
SHA512f6f9fd3ca9305bec879cfcd38e64111a18e65e30d25c49e9f2cd546cbab9b2dcd03eca81952f6b77c0eaab20192ef7bef0d8d434f6f371811929e75f8620633b
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Filesize
61KB
MD56f446f3bc93c0059a2be0760cd66ff8c
SHA14bcc6f8d9357b46a45dd884caf9295bdbf332afa
SHA2568da64497a402276f0d21cd71357067fb16a602b44ac22e3544be34ee905e1a09
SHA5128570defaf0118d71a02ed0c287e216b5dff4064879fa8a9d3184fc9c6895d801b19889853308b6c621f7407553f7aca9343dcb7bafc32e89faf2cec60a8e30e3
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Filesize
24KB
MD5226fb7474de2c2bda1a3a97944260d31
SHA182a409066b63ab8948b291b1431f3f7af72157fc
SHA2562e8076ab5ac19a95fa275ec3f57b178a23bf1c5b2a0809a7e6a86cdd79542ec2
SHA512794341a14fdc725a1c87b111ffea89bdfc30c39d06478fa44a0c0a5efa9839dc80a625fbda3d3fb6f4a1bbf9fc0354066f477a0f82a490a606e7e446a63b273c
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Filesize
42KB
MD56a4f7646fc4c13b77903ca0cef14f939
SHA1b0fa61cfc191533c8798692516a0b4c435c29086
SHA2560079d32f59d2e545aa8d5bc8a8f377c3439a57fb7b4390cb3b8edada19747472
SHA512c3eaef1ead91bebb5231c315925a3179c2df4800a2dc99d8f1fb13b631ff5ae505f7a5b06abc449f373ecc5063bdfa67ce28f9702926486db0c8508416fbee0b
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Filesize
218KB
MD5737a1a8a7242cee8ffe5fae9ad86d5a1
SHA13295e3b4c3b6c2a7b41f63fd9e8e40439657dee1
SHA25655ae65dbe55d90da029683a188000b374475d5985a94bfc7650e65c62141d769
SHA5120360bbbbb4651b82592f78e7f1423c6c3109c02492c2c39bb41bfca79455f74503ef19f771c7f30ec81fabaa97927b5fe13ee0ea2bfdaf2c2c882dcca4c3da40
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Filesize
728KB
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Filesize
728KB
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Filesize
2.8MB
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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
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
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
672KB
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Filesize
2.8MB
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Filesize
380KB
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Filesize
324KB
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Filesize
324KB
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Filesize
380KB
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Filesize
2.8MB