Behavioral task
behavioral1
Sample
b381f1f4bad4016f464ceb92aeb9dda3b696411d913ea7f3bbc774b67076c43f.exe
Resource
win7-20240221-en
Behavioral task
behavioral2
Sample
b381f1f4bad4016f464ceb92aeb9dda3b696411d913ea7f3bbc774b67076c43f.exe
Resource
win10v2004-20240508-en
General
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Target
b381f1f4bad4016f464ceb92aeb9dda3b696411d913ea7f3bbc774b67076c43f
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Size
108KB
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MD5
557caa60b4c2b17a6ddd4da49d778b33
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SHA1
f5f12131479f08e4305ab9b51ba415d72ccb28c1
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SHA256
b381f1f4bad4016f464ceb92aeb9dda3b696411d913ea7f3bbc774b67076c43f
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SHA512
7e6113a678fe35109432e7767492f9cd91b7cdb042af2cc36d70973efaa7cf131270b16209a107ab3da158723d03791910977f53c7640c67fcf59bd37d2626d1
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SSDEEP
1536:lIs9UNbZlC6wdGNKZpPNb3JWoDTUa6PvaiOAfViA6X:lIAoLpaG4pNb36bX1OAfkAw
Malware Config
Extracted
xworm
193.161.193.99:51146
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Install_directory
%AppData%
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install_file
USB.exe
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telegram
https://api.telegram.org/bot6701075763:AAGkvv2CpqBxGihH8FtOkSA7Uxy35GZpAFI/sendMessage?chat_id=5991331733
Signatures
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Detect Xworm Payload 1 IoCs
Processes:
resource yara_rule sample family_xworm -
Detects Windows executables referencing non-Windows User-Agents 1 IoCs
Processes:
resource yara_rule sample INDICATOR_SUSPICIOUS_EXE_NoneWindowsUA -
Detects executables using Telegram Chat Bot 1 IoCs
Processes:
resource yara_rule sample INDICATOR_SUSPICIOUS_EXE_TelegramChatBot -
Xworm family
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Unsigned PE 1 IoCs
Checks for missing Authenticode signature.
Processes:
resource b381f1f4bad4016f464ceb92aeb9dda3b696411d913ea7f3bbc774b67076c43f
Files
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b381f1f4bad4016f464ceb92aeb9dda3b696411d913ea7f3bbc774b67076c43f.exe windows:4 windows x86 arch: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: 61KB - Virtual size: 60KB
IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
.rsrc Size: 46KB - Virtual size: 45KB
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