Behavioral task
behavioral1
Sample
B1OdUv8CBH.exe
Resource
win7-20240221-en
Behavioral task
behavioral2
Sample
B1OdUv8CBH.exe
Resource
win10v2004-20240419-en
General
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Target
B1OdUv8CBH.exe
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Size
1.5MB
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MD5
da4f713eda91ee257714127d761852a3
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SHA1
5901870facef99c9c850b141e8f8339721e932e4
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SHA256
9d27a2b70745480a42b83777ea3aa0399c63a55c6d9b699d67f1e95f7605ebe1
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SHA512
9964eca29700aefa97febdbca4e829a64ec6fd050d49c720f04963fab831b528319c9b3b054f36093ef9dc7236a681fba02f1f988ec19194f124d7a75abcddf7
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SSDEEP
1536:rP6fC6CQUfzv4/bfSSCCBRdsQ8CNubhcDQOe4KZ46V06/OwZHxiKG:L35bibk7hfbh+YVOwZoKG
Malware Config
Extracted
xworm
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Install_directory
%ProgramData%
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install_file
USB.exe
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pastebin_url
https://pastebin.com/raw/a1kmrNub
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 B1OdUv8CBH.exe
Files
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B1OdUv8CBH.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: 66KB - Virtual size: 66KB
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