Behavioral task
behavioral1
Sample
LastActivityView.exe
Resource
win7-20240220-en
Behavioral task
behavioral2
Sample
LastActivityView.exe
Resource
win10v2004-20240426-en
General
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Target
LastActivityView.exe
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Size
80KB
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MD5
ab3f690e3ebf02cfefd3e8bf3405c910
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SHA1
38aa09670253d0c683998dc0359e24e76900478b
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SHA256
dddea572dc316364207ca6c9b050aa9d0d9ed8bfc879830749daf1a65b0bcb0a
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SHA512
e31ee1c005c06dffd536f8ba11b0f598e70321b680293b9241552e0976ca7c777ce10664ffa3cf30c9adeaec3a0c1f4717f38c812007ebaecb8ca14e7bff4ac8
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SSDEEP
1536:1MKRG9v4xss9SrIuaHvEIUL1bX6lqwVzuWmJ6QZQOPkzt5TehD6:CKRGB4xPTPW1bXelglOO+tNR
Malware Config
Extracted
xworm
https://pastebin.com/raw/R8gFU5SX:123456789
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Install_directory
%AppData%
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install_file
-f-3bc98f4897-6.exe
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pastebin_url
https://pastebin.com/raw/R8gFU5SX
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 LastActivityView.exe
Files
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LastActivityView.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: 73KB - Virtual size: 72KB
IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
.rsrc Size: 6KB - Virtual size: 5KB
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