Behavioral task
behavioral1
Sample
3b7f3fcb1b8a5c40a05c2915e7042b151ccd9aab4f01a7ef4f0c24e6a6fa7519.exe
Resource
win7-20240903-en
General
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Target
3b7f3fcb1b8a5c40a05c2915e7042b151ccd9aab4f01a7ef4f0c24e6a6fa7519.exe
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Size
21KB
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MD5
91c499b398b7db561732d18e5acb98ac
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SHA1
41602166b93f59aea8cffa8c08868cf17571e161
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SHA256
3b7f3fcb1b8a5c40a05c2915e7042b151ccd9aab4f01a7ef4f0c24e6a6fa7519
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SHA512
43b12014d10715f7885e38b7c1d45d1f8b0d2a887db87bfc3be2fada26610fba7cfe8f0c441236eda4d6b13fb5e24cfac69ff3774da5276d5d8d71ed8b495535
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SSDEEP
384:rYIdmF+Ti213fEF9QZd/cBr5M/gOjkaS4s/1k5YiZNl3pQ4HmZHy/QoyfpLRh:UIsF81fG9QveLOYTe5YiRpQbHXbh
Malware Config
Signatures
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Detect XtremeRAT payload 1 IoCs
resource yara_rule static1/unpack001/out.upx family_xtremerat -
Xtremerat family
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resource yara_rule sample upx -
Unsigned PE 2 IoCs
Checks for missing Authenticode signature.
resource 3b7f3fcb1b8a5c40a05c2915e7042b151ccd9aab4f01a7ef4f0c24e6a6fa7519.exe unpack001/out.upx
Files
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3b7f3fcb1b8a5c40a05c2915e7042b151ccd9aab4f01a7ef4f0c24e6a6fa7519.exe.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: 60KB
IMAGE_SCN_CNT_UNINITIALIZED_DATA
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
UPX1 Size: 19KB - Virtual size: 20KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
.rsrc Size: 1024B - 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_BYTES_REVERSED_LO
IMAGE_FILE_32BIT_MACHINE
IMAGE_FILE_BYTES_REVERSED_HI
Sections
CODE Size: 33KB - Virtual size: 33KB
IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
DATA Size: 512B - Virtual size: 268B
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
BSS Size: - Virtual size: 11KB
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
.idata Size: 3KB - Virtual size: 3KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
.tls Size: - Virtual size: 8B
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: 2KB - Virtual size: 2KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
.rsrc Size: 2KB - Virtual size: 2KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ