Behavioral task
behavioral1
Sample
81be97a162bfbfe6c334ed2b4cc59a06ed09e04c46e87fc64b29380cf7cc6ac2.exe
Resource
win7-20240215-en
Behavioral task
behavioral2
Sample
81be97a162bfbfe6c334ed2b4cc59a06ed09e04c46e87fc64b29380cf7cc6ac2.exe
Resource
win10v2004-20240412-en
General
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Target
81be97a162bfbfe6c334ed2b4cc59a06ed09e04c46e87fc64b29380cf7cc6ac2
-
Size
104KB
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MD5
bf0e3e45c40dcc4f87b237566e736d9a
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SHA1
24f3b70fa95422ddab517bc774d8eb4d699a7e0a
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SHA256
81be97a162bfbfe6c334ed2b4cc59a06ed09e04c46e87fc64b29380cf7cc6ac2
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SHA512
4ee05a46a56201be4ae891c6c60163f4e21d40bef2892445abc5f8440a580d031484d0247dee59851ec71f7e5d930f835fc2e7610c999ee2e08a4a7159c91c91
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SSDEEP
1536:Isz1++PJHJXFAIuZAIuekc9zBfA1OjBWgOI3uicwa+shcBEN2iqxtdSCow8hf7Hq:hfAIuZAIuYSMjoqtMHfhf7H0WH0Z
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 81be97a162bfbfe6c334ed2b4cc59a06ed09e04c46e87fc64b29380cf7cc6ac2 unpack001/out.upx
Files
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81be97a162bfbfe6c334ed2b4cc59a06ed09e04c46e87fc64b29380cf7cc6ac2.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