Behavioral task
behavioral1
Sample
c3bd557e99ab2bebd5f7ba2dce32ee0e61a6af72de9f9e0af031880084e35ec5.exe
Resource
win7-20240221-en
Behavioral task
behavioral2
Sample
c3bd557e99ab2bebd5f7ba2dce32ee0e61a6af72de9f9e0af031880084e35ec5.exe
Resource
win10v2004-20240412-en
General
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Target
c3bd557e99ab2bebd5f7ba2dce32ee0e61a6af72de9f9e0af031880084e35ec5
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Size
230KB
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MD5
ac112b9f5cc8d136e74f32e027b83aa9
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SHA1
752a4581a27cfde9b59714602623cf058f7e3996
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SHA256
c3bd557e99ab2bebd5f7ba2dce32ee0e61a6af72de9f9e0af031880084e35ec5
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SHA512
0ac5805fb5455bf7e04ed54efb3e7d76c8cd90482ef239823e66b713de14f501da112d2febeb4bacd78c712e72d80dda096215b29e67e66cb3e5638519f001d0
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SSDEEP
3072:KQSo1EZGtKgZGtK/PgtU1wAIuZAIuXwFwtd56W2QZwKS7E:KQSo1EZGtKgZGtK/CAIuZAIuV2ZKS7E
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 c3bd557e99ab2bebd5f7ba2dce32ee0e61a6af72de9f9e0af031880084e35ec5 unpack001/out.upx
Files
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c3bd557e99ab2bebd5f7ba2dce32ee0e61a6af72de9f9e0af031880084e35ec5.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