Behavioral task
behavioral1
Sample
screensaver.exe
Resource
win7-20240708-en
Behavioral task
behavioral2
Sample
screensaver.exe
Resource
win10v2004-20240802-en
General
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Target
screensaver.zip
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Size
18KB
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MD5
9b954071c00943b3154a2e0d1f1f9795
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SHA1
3e8e42e9b152981c13a1d6d0ba9a3c898dde6885
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SHA256
9de2cbafa58a144deba35a8cf5f137e45915f8beebb95beb08a50e533428e887
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SHA512
e36f6367c0da7207f01089a084e1b6b28ae30b27fd783545d8ab3bc850254781ef7bbbe2940ee8753dc349e8529c540ae729e6630085525f07e080aaa453d850
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SSDEEP
384:fBbBhbbsKdXasoL0haVkePxbJTWBOPEERER1OM3DaCPYSr8vp6:Z1BbsyX9oLB1PjC4EhR1OuDsSr46
Malware Config
Extracted
xworm
5.0
memorialwords.xyz:4444
0FDfqtSCPc6omfwK
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Install_directory
%AppData%
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install_file
Adobe\Reader\updater.exe
Signatures
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Detect Xworm Payload 1 IoCs
Processes:
resource yara_rule static1/unpack001/screensaver.exe family_xworm -
Xworm family
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Unsigned PE 1 IoCs
Checks for missing Authenticode signature.
Processes:
resource unpack001/screensaver.exe
Files
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screensaver.zip.zip
Password: infected
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screensaver.exe.exe windows:4 windows x86 arch:x86
Password: infected
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: 37KB - Virtual size: 37KB
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