Behavioral task
behavioral1
Sample
a59da4dd8fed05281a83b75735f05a659d08d090e20c9e5c7a4f9c6fbf5031f8.exe
Resource
win7-20240215-en
Behavioral task
behavioral2
Sample
a59da4dd8fed05281a83b75735f05a659d08d090e20c9e5c7a4f9c6fbf5031f8.exe
Resource
win10v2004-20240508-en
General
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Target
a59da4dd8fed05281a83b75735f05a659d08d090e20c9e5c7a4f9c6fbf5031f8
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Size
91KB
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MD5
aa383e9aa91d5237689e72ddb9279421
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SHA1
84992be03c9bbc9da74ba08f9dc08ec9e760d011
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SHA256
a59da4dd8fed05281a83b75735f05a659d08d090e20c9e5c7a4f9c6fbf5031f8
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SHA512
874e14d099f548026927620f96772ba5991d119525d8179d31e92a9bb40518d013febcb2fd2900b687a404b5505823487b6349cb896f1eb67c44e966df8249e9
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SSDEEP
1536:CTWn1++PJHJXA/OsIZfzc3/Q8asUsn5dTWn1++PJHJXA/OsIZfzc3/Q8asUsn5cU:KQSohsUsn5ZQSohsUsn5nkw
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 a59da4dd8fed05281a83b75735f05a659d08d090e20c9e5c7a4f9c6fbf5031f8 unpack001/out.upx
Files
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a59da4dd8fed05281a83b75735f05a659d08d090e20c9e5c7a4f9c6fbf5031f8.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_32BIT_MACHINE
Sections
UPX0 Size: - Virtual size: 24KB
IMAGE_SCN_CNT_UNINITIALIZED_DATA
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
UPX1 Size: 4KB - Virtual size: 8KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
.rsrc Size: 4KB - Virtual size: 4KB
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_32BIT_MACHINE
Sections
.text Size: 8KB - Virtual size: 5KB
IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
.rdata Size: 4KB - Virtual size: 1KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
.data Size: 4KB - Virtual size: 352B
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
.rsrc Size: 4KB - Virtual size: 3KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ