Behavioral task
behavioral1
Sample
OSLA24090177 & OSLA24090178pdf.exe
Resource
win7-20240903-en
General
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Target
e555bf7621da5d656e561964b7c51b2bdcdb8351856d9e30e91bc89088da7650
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Size
1.0MB
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MD5
9d19cd8308c3fd59857b39d71105ad93
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SHA1
6056d7652d50a18c2bd9ea660f2c9d0d4c305445
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SHA256
e555bf7621da5d656e561964b7c51b2bdcdb8351856d9e30e91bc89088da7650
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SHA512
0a01cc7f757f26d240b429eabb0239889331c23bffb65a9dcca4b4ee114aa0a9c11b768bb1d12a70595b74d9f9de3ec1bdb560d090fecb6f1559e5cd98d0227c
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SSDEEP
24576:zEQyl8zfv2GjJmnEsEvt7U4SAiZ4x96oCIy+v8axXffIzsSo1+f5:zCfqJmEhJAZK963IyiXYQR+B
Malware Config
Signatures
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resource yara_rule static1/unpack001/OSLA24090177 & OSLA24090178pdf.exe upx -
AutoIT Executable 1 IoCs
AutoIT scripts compiled to PE executables.
resource yara_rule static1/unpack002/out.upx autoit_exe -
Unsigned PE 2 IoCs
Checks for missing Authenticode signature.
resource unpack001/OSLA24090177 & OSLA24090178pdf.exe unpack002/out.upx
Files
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e555bf7621da5d656e561964b7c51b2bdcdb8351856d9e30e91bc89088da7650.zip
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OSLA24090177 & OSLA24090178pdf.exe.exe windows:5 windows x86 arch:x86
Headers
DLL Characteristics
IMAGE_DLLCHARACTERISTICS_TERMINAL_SERVER_AWARE
File Characteristics
IMAGE_FILE_RELOCS_STRIPPED
IMAGE_FILE_EXECUTABLE_IMAGE
IMAGE_FILE_LARGE_ADDRESS_AWARE
IMAGE_FILE_32BIT_MACHINE
Sections
UPX0 Size: - Virtual size: 472KB
IMAGE_SCN_CNT_UNINITIALIZED_DATA
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
UPX1 Size: 264KB - Virtual size: 268KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
.rsrc Size: 29KB - Virtual size: 32KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
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out.upx.exe windows:5 windows x86 arch:x86
Headers
DLL Characteristics
IMAGE_DLLCHARACTERISTICS_TERMINAL_SERVER_AWARE
File Characteristics
IMAGE_FILE_RELOCS_STRIPPED
IMAGE_FILE_EXECUTABLE_IMAGE
IMAGE_FILE_LARGE_ADDRESS_AWARE
IMAGE_FILE_32BIT_MACHINE
Sections
.text Size: 514KB - Virtual size: 513KB
IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
.rdata Size: 56KB - Virtual size: 55KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
.data Size: 26KB - Virtual size: 105KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
.rsrc Size: 37KB - Virtual size: 36KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ