Behavioral task
behavioral1
Sample
b4b99eaa093f370f0d049aa454d46ff0b838967fc317ca510546fb88e52bdf1e.exe
Resource
win7-20240419-en
Behavioral task
behavioral2
Sample
b4b99eaa093f370f0d049aa454d46ff0b838967fc317ca510546fb88e52bdf1e.exe
Resource
win10v2004-20240419-en
General
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Target
b4b99eaa093f370f0d049aa454d46ff0b838967fc317ca510546fb88e52bdf1e
-
Size
221KB
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MD5
733625bf7205990598876e80286658cd
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SHA1
4cf49773b6cba3c8ab989a8bf5a82ada9206a1a2
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SHA256
b4b99eaa093f370f0d049aa454d46ff0b838967fc317ca510546fb88e52bdf1e
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SHA512
087736dd4e033318728ab37468a37c3111a82da1336efefa7a442dcf272c7defae4bc6e0b457c1258bddeb055fe569ae6a87eb9bb6b69a15873365999e12a426
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SSDEEP
3072:KQSo1EZGtKgZGtK/PgtU1wAIuZAIuiTn6W2QZwKS7Z:KQSo1EZGtKgZGtK/CAIuZAIu82ZKS7Z
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 b4b99eaa093f370f0d049aa454d46ff0b838967fc317ca510546fb88e52bdf1e unpack001/out.upx
Files
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b4b99eaa093f370f0d049aa454d46ff0b838967fc317ca510546fb88e52bdf1e.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