Behavioral task
behavioral1
Sample
EXPL32.exe
Resource
win7-20230220-en
General
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Target
EXPL32.EXE
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Size
579KB
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MD5
e1227d801c044797cb508c0923fecb20
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SHA1
b74bf43c331986df0343c24c541b34e41cd7b1ff
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SHA256
6485811f250ac5fd443ff8925da9b302d52fbefe19bf40ab587852f3de9d0c67
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SHA512
9723cf944470f3a50004a7332b326c99f9227c5d23325051ff413371ea783b6fa7786cd19ff236427d58c3aa7824cce20bb47ab35fc6c8682edff7f10913ffb4
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SSDEEP
12288:eRc7TVJUsn5jo0j794wUL76qgZW3Q1FNOGRoJbuPfbuV:eRcl57aTyZsEZUbuPq
Malware Config
Signatures
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resource yara_rule sample upx -
Unsigned PE 1 IoCs
Checks for missing Authenticode signature.
resource EXPL32.EXE
Files
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EXPL32.EXE.exe windows x86
Headers
File Characteristics
IMAGE_FILE_RELOCS_STRIPPED
IMAGE_FILE_EXECUTABLE_IMAGE
IMAGE_FILE_LINE_NUMS_STRIPPED
IMAGE_FILE_LOCAL_SYMS_STRIPPED
IMAGE_FILE_BYTES_REVERSED_LO
IMAGE_FILE_32BIT_MACHINE
IMAGE_FILE_BYTES_REVERSED_HI
Sections
UPX0 Size: - Virtual size: 1.2MB
IMAGE_SCN_CNT_UNINITIALIZED_DATA
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
UPX1 Size: 561KB - Virtual size: 564KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
.rsrc Size: 17KB - Virtual size: 20KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE