General
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Target
Firefox 21.3.7 Setup.exe
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Size
163KB
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MD5
34d62303e757aac3144ad3478619fdde
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SHA1
a6fa411c5e8b1715568805ee7d09150d96ee8977
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SHA256
851fed5d7b5c0f331d61ff67eca02c3d0bc5214848bdaaa5f6069a86050792a4
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SHA512
248358ccdfd86cc56ca77edbe5aedfb656751d312dfff9598f1eb59fb4494ff07566011417808b94451064f0e323c3464142f1b03d337ca5a895c0d435b19da9
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SSDEEP
3072:KOXpHv1O0vxki2FeTOc3wxdxU0G6ovH86bzEQPAoutufqX9GY:7pBapgTN3sa0GTf86zEQPAoSuCX9
Malware Config
Signatures
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resource yara_rule sample upx -
Unsigned PE 1 IoCs
Checks for missing Authenticode signature.
resource Firefox 21.3.7 Setup.exe
Files
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Firefox 21.3.7 Setup.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_32BIT_MACHINE
Sections
UPX0 Size: - Virtual size: 120KB
IMAGE_SCN_CNT_UNINITIALIZED_DATA
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
UPX1 Size: 94KB - Virtual size: 96KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
.rsrc Size: 68KB - Virtual size: 72KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE