Analysis
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max time kernel
92s -
max time network
203s -
platform
windows11-21h2_x64 -
resource
win11-20241007-en -
resource tags
arch:x64arch:x86image:win11-20241007-enlocale:en-usos:windows11-21h2-x64system -
submitted
03-01-2025 00:19
Static task
static1
General
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Target
fd4cd0668aa23ea85fcc25ff8328e8d1018965ba9ec754818b6677f03abb0f24.exe
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Size
323KB
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MD5
11ef4960441f5dd1dbe8c137fccd43a2
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SHA1
6d522e053fba22694184a82e43e74e8752e214b4
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SHA256
fd4cd0668aa23ea85fcc25ff8328e8d1018965ba9ec754818b6677f03abb0f24
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SHA512
d0a593882e63f21686fb71644599652a1d3a8b0cb8e46b3b5a50d1abdad5353d2c5dd748453122cf389f1d2dcbf392b8ebfb3253791875ef4c051e6c35454bc9
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SSDEEP
6144:+dFOWFLblRGGbx3WK45CLbrMQzo+IWzgxj2VJ:+dFFFvlRGyxGK45C7Mz+IKJ
Malware Config
Extracted
lumma
https://sordid-snaked.cyou/api
https://awake-weaves.cyou/api
https://wrathful-jammy.cyou/api
https://debonairnukk.xyz/api
https://diffuculttan.xyz/api
https://effecterectz.xyz/api
https://deafeninggeh.biz/api
https://immureprech.biz/api
https://spellshagey.biz/api
Signatures
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Lumma family
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Program crash 1 IoCs
pid pid_target Process procid_target 1368 2632 WerFault.exe 78 -
System Location Discovery: System Language Discovery 1 TTPs 1 IoCs
Attempt gather information about the system language of a victim in order to infer the geographical location of that host.
description ioc Process Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language fd4cd0668aa23ea85fcc25ff8328e8d1018965ba9ec754818b6677f03abb0f24.exe -
Modifies registry class 4 IoCs
description ioc Process Key created \REGISTRY\USER\S-1-5-21-3587106988-279496464-3440778474-1000_Classes\Local Settings\MuiCache BackgroundTransferHost.exe Set value (str) \REGISTRY\USER\S-1-5-21-3587106988-279496464-3440778474-1000_Classes\Local Settings\Software\Microsoft\Windows\CurrentVersion\AppContainer\Storage\microsoftwindows.client.cbs_cw5n1h2txyewy\Internet Settings\Cache\Content\CachePrefix BackgroundTransferHost.exe Set value (str) \REGISTRY\USER\S-1-5-21-3587106988-279496464-3440778474-1000_Classes\Local Settings\Software\Microsoft\Windows\CurrentVersion\AppContainer\Storage\microsoftwindows.client.cbs_cw5n1h2txyewy\Internet Settings\Cache\Cookies\CachePrefix = "Cookie:" BackgroundTransferHost.exe Set value (str) \REGISTRY\USER\S-1-5-21-3587106988-279496464-3440778474-1000_Classes\Local Settings\Software\Microsoft\Windows\CurrentVersion\AppContainer\Storage\microsoftwindows.client.cbs_cw5n1h2txyewy\Internet Settings\Cache\History\CachePrefix = "Visited:" BackgroundTransferHost.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\fd4cd0668aa23ea85fcc25ff8328e8d1018965ba9ec754818b6677f03abb0f24.exe"C:\Users\Admin\AppData\Local\Temp\fd4cd0668aa23ea85fcc25ff8328e8d1018965ba9ec754818b6677f03abb0f24.exe"1⤵
- System Location Discovery: System Language Discovery
PID:2632 -
C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 2632 -s 13602⤵
- Program crash
PID:1368
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 444 -p 2632 -ip 26321⤵PID:1532
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C:\Windows\system32\BackgroundTransferHost.exe"BackgroundTransferHost.exe" -ServerName:BackgroundTransferHost.131⤵
- Modifies registry class
PID:4392
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C:\Windows\System32\rundll32.exeC:\Windows\System32\rundll32.exe C:\Windows\System32\shell32.dll,SHCreateLocalServerRunDll {9aa46009-3ce0-458a-a354-715610a075e6} -Embedding1⤵PID:2328
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
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C:\Users\Admin\AppData\Local\Packages\MicrosoftWindows.Client.CBS_cw5n1h2txyewy\AC\BackgroundTransferApi\5e8aa5fd-ec5a-4671-b21b-0d26f76519da.down_data
Filesize555KB
MD55683c0028832cae4ef93ca39c8ac5029
SHA1248755e4e1db552e0b6f8651b04ca6d1b31a86fb
SHA256855abd360d8a8d6974eba92b70cbd09ce519bc8773439993f9ab37cb6847309e
SHA512aba434bd29be191c823b02ea9b639beb10647bbe7759bbffdaa790dfb1ec2c58d74c525ef11aacda209e4effe322d1d3a07b115446c8914b07a3bce4d8a0e2c3