Static task
static1
Behavioral task
behavioral1
Sample
window-defender-update.exe
Resource
win7-20220414-en
Behavioral task
behavioral2
Sample
window-defender-update.exe
Resource
win10v2004-20220414-en
General
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Target
13906e93879e0acf02ea85b074e5385b7fa080916b55687805a16e9004e0f2c7
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Size
84KB
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MD5
376944ae1de8e4181797668fb81022da
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SHA1
9e47cd037aced0e07483c77f3b031bbb23ade9d1
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SHA256
13906e93879e0acf02ea85b074e5385b7fa080916b55687805a16e9004e0f2c7
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SHA512
2b9cdc8abb59489d9bc6f0ebd41c32291531784ad22712cd1b3e2f44f20d189a779590a39a3699f38c20f4b15f5ce90ae454dff2a8677c7dde7998b3fbfadbe4
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SSDEEP
1536:kJG3VoNt9kzF9zBfL3MIUGC33CpmsKo4fzI6SBhzm1Py4:INUV3MZHCksKo6I6Ihzmdy4
Malware Config
Extracted
matiex
https://api.telegram.org/bot1216271892:AAEn1Tw6TUedDgDlack_UbEaK5yRAySruSY/sendMessage?chat_id=1318177442
Signatures
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Matiex Main Payload 1 IoCs
Processes:
resource yara_rule static1/unpack001/window-defender-update.exe family_matiex -
Matiex family
Files
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13906e93879e0acf02ea85b074e5385b7fa080916b55687805a16e9004e0f2c7.zip
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window-defender-update.exe.exe windows x86
f34d5f2d4577ed6d9ceec516c1f5a744
Headers
DLL Characteristics
IMAGE_DLLCHARACTERISTICS_DYNAMIC_BASE
IMAGE_DLLCHARACTERISTICS_NX_COMPAT
IMAGE_DLLCHARACTERISTICS_NO_SEH
IMAGE_DLLCHARACTERISTICS_TERMINAL_SERVER_AWARE
File Characteristics
IMAGE_FILE_EXECUTABLE_IMAGE
IMAGE_FILE_32BIT_MACHINE
Imports
mscoree
_CorExeMain
Sections
.text Size: 423KB - Virtual size: 422KB
IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
.rsrc Size: 1KB - Virtual size: 1KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
.reloc Size: 512B - Virtual size: 12B
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_DISCARDABLE
IMAGE_SCN_MEM_READ