Behavioral task
behavioral1
Sample
f.exe
Resource
win7-20231215-en
Behavioral task
behavioral2
Sample
f.exe
Resource
win10v2004-20231215-en
General
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Target
f.exe
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Size
42KB
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MD5
e2437824754b964c2e640c777a1826e6
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SHA1
309a4509fcd9257842567604a8b2b95ba499b11d
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SHA256
74e1d09a7389ed1ed768809d0bd92693980deb26e3245434d6ddb5e6180b726c
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SHA512
7656c66dd6596d4780f75a46447445d5f4c28ccbc2ab254c7bd9c63bc113402bc714adc7d219522f6fa835762c6baca9e1f013dceb685eb3a55b9ee8bf66063e
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SSDEEP
384:KPb8lc+Sc1HiHrZuKv52MSVdoe4H/v4Wey2vqzCxUg3yBtrLawY9pcjCqsVsjZwy:yb8q+H1HiHJjSw9HnbIECW0d+Kurpv
Malware Config
Extracted
xworm
VKffAVACCFF7wi6o
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Install_directory
%key%
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install_file
USB.exe
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pastebin_url
https://pastebin.com/raw/8PPQG5u6
Signatures
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Detect Xworm Payload 1 IoCs
resource yara_rule sample family_xworm -
Xworm family
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Unsigned PE 1 IoCs
Checks for missing Authenticode signature.
resource f.exe
Files
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f.exe.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: 40KB - Virtual size: 39KB
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