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Analysis
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max time kernel
110s -
max time network
119s -
platform
windows7_x64 -
resource
win7-20240729-en -
resource tags
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submitted
18/12/2024, 04:46
General
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Target
c8bdc4200c515e0d4faf368abd8596c5ff3206ddda8a72c57383a518858e9edfN.exe
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Size
217KB
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MD5
53f5de90c854efd0eb5bcf07d20d60c0
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SHA1
a8ad649f0e46eec9dbcfb9fbf2aa6244919c35a6
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SHA256
c8bdc4200c515e0d4faf368abd8596c5ff3206ddda8a72c57383a518858e9edf
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SHA512
baba1b8e6ab1ff3425780f95aaa6c00e821fdc6212b70b1882253e832cdbbb5ac6acf3492ea4d8ad30b27ea947614a720c972865af4946466a30bfc5b21cf292
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SSDEEP
6144:NrRaTyDOnlo7eM+mlkWgRXOqobzWjozm2ulYM6Y:9sTbzu1glovW4EH6Y
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\c8bdc4200c515e0d4faf368abd8596c5ff3206ddda8a72c57383a518858e9edfN.exe"C:\Users\Admin\AppData\Local\Temp\c8bdc4200c515e0d4faf368abd8596c5ff3206ddda8a72c57383a518858e9edfN.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
1KB
MD5388d0bead68a556f238e3e1550f425ec
SHA163e711792d99076766cc89d8462594dc415e07bd
SHA25694898a945bc7d8a37efe55bbda10d273f0aefd40069f9c7c9fdac6744d90247a
SHA512ff8b7bc574f34bbbc9318b1b2a03ca7740f177ba0193ea8a4f5642f8bf1ad4ad1d8171dad965188fb298573ac2d7abe4a45e41349f72712fc7a83ad9fb5b1076
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Filesize
217KB
MD54e0cfed3848ede43040f87e32cba971a
SHA15c2ad09d3c50d69a24c0220d0bf4572c400f1d91
SHA256fbd97afe6fbd6ccf2caa86f41d8c94b8e6bcec27dfccb35fb393a00ad295efbb
SHA512a13a340899b258797aa3e6d3da9622b6382c7f9da802be9dd2ae5361bdd10e6e848f55f660ce9af24f461cb554f03d370eaf1014324d76cc4a7f7b4b358e9a73
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Filesize
1.5MB
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Filesize
324KB
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Filesize
380KB
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Filesize
380KB
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Filesize
324KB
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Filesize
1.5MB
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Filesize
728KB
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Filesize
728KB
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Filesize
672KB
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Filesize
672KB
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Filesize
1.5MB
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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
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
1.5MB
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Filesize
1.5MB
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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
672KB
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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
1.5MB