Behavioral task
behavioral1
Sample
XClient.exe
Resource
win7-20240221-en
Behavioral task
behavioral2
Sample
XClient.exe
Resource
win10v2004-20240226-en
General
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Target
XClient.exe
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Size
61KB
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MD5
c943a5b42a5c3581ab6bf74428858a73
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SHA1
4d7e7769f93816070a433a19fc837ceb725f7317
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SHA256
a1292bb41ddd4ffa51e1f7e435b0bb7308edf7aa521ecfdfe9660dd42f556744
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SHA512
cecffb3605f3dc05368667966f3b5cbe3e843d9549ed30dc07cf8c04b317a64ae42f75dfbc300617e589dfa98afe8b851f5fa666a68a632170cf9326e048299a
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SSDEEP
1536:A6P+jJfmzZFm6TObE5yWHY6doOkf4xqij:A6jzDm9bEV0OkfYj
Malware Config
Extracted
xworm
3.0
simpledays-44630.portmap.host:44630
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install_file
USB.exe
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 XClient.exe
Files
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XClient.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: 58KB - Virtual size: 58KB
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