Behavioral task
behavioral1
Sample
ef79ac1bd2f4ee1cce36c5a06a65a60c4d98e389d9fca0ad5462a5552f0e8e9f.exe
Resource
win7-20231129-en
Behavioral task
behavioral2
Sample
ef79ac1bd2f4ee1cce36c5a06a65a60c4d98e389d9fca0ad5462a5552f0e8e9f.exe
Resource
win10v2004-20240226-en
General
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Target
ef79ac1bd2f4ee1cce36c5a06a65a60c4d98e389d9fca0ad5462a5552f0e8e9f
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Size
375KB
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MD5
518a6e1c65f1d8303a0429e3729f5684
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SHA1
3c7c3cb29e6e8a0ebba955c16d63ed83987ac587
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SHA256
ef79ac1bd2f4ee1cce36c5a06a65a60c4d98e389d9fca0ad5462a5552f0e8e9f
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SHA512
825bd57733766377f05c911c35b65b7d9443b5f94334fd0d53799c7fbe4f8f4f5de3915982c76cbdcd3d9087ab210f6f828fbab418e6ffc1e4d4967b9ac46948
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SSDEEP
6144:5LrobWjDmRAs7pM3t6nHjiaa/CkHClqhcXNAuFDfNG15d:xobWf8zNOHn0hDk1r
Malware Config
Signatures
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UPX dump on OEP (original entry point) 1 IoCs
resource yara_rule sample UPX -
resource yara_rule sample upx -
Unsigned PE 2 IoCs
Checks for missing Authenticode signature.
resource ef79ac1bd2f4ee1cce36c5a06a65a60c4d98e389d9fca0ad5462a5552f0e8e9f unpack001/out.upx
Files
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ef79ac1bd2f4ee1cce36c5a06a65a60c4d98e389d9fca0ad5462a5552f0e8e9f.exe windows:4 windows x86 arch: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: 400KB
IMAGE_SCN_CNT_UNINITIALIZED_DATA
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
UPX1 Size: 200KB - Virtual size: 200KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
.rsrc Size: 6KB - Virtual size: 8KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
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out.upx.exe windows:4 windows x86 arch: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
CODE Size: 465KB - Virtual size: 464KB
IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
DATA Size: 21KB - Virtual size: 21KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
BSS Size: - Virtual size: 4KB
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
.idata Size: 9KB - Virtual size: 9KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
.tls Size: - Virtual size: 16B
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
.rdata Size: 512B - Virtual size: 24B
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
.reloc Size: 34KB - Virtual size: 34KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
.rsrc Size: 29KB - Virtual size: 29KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ