Behavioral task
behavioral1
Sample
42b1eb4a3740e60cb30eb88d2a582062_JaffaCakes118.exe
Resource
win7-20240903-en
General
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Target
42b1eb4a3740e60cb30eb88d2a582062_JaffaCakes118
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Size
161KB
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MD5
42b1eb4a3740e60cb30eb88d2a582062
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SHA1
96798d804aba8e61cf4d207f16e9ee02786c2ee9
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SHA256
9ae8a917a002d56369a8991fa9e023e52fab65bca5b9d3caca0b33266965e98c
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SHA512
21934125567212307131ba771b9e2ea9e4bd15e0a3f33f425e577745320658cf013b53364d2e593bbaaac3a6e8071ec4bb3d35376af509c9b86958b846857d17
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SSDEEP
3072:RlFy8KUuT6Y7bImjgQ/+6BhG97ahKfuAfWBjdE55ngr+5TfinMP6su:fnuOs/1m6B2ahKfuAcj0grufa
Malware Config
Signatures
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Detected Nirsoft tools 1 IoCs
Free utilities often used by attackers which can steal passwords, product keys, etc.
resource yara_rule static1/unpack001/out.upx Nirsoft -
resource yara_rule sample upx -
Unsigned PE 2 IoCs
Checks for missing Authenticode signature.
resource 42b1eb4a3740e60cb30eb88d2a582062_JaffaCakes118 unpack001/out.upx
Files
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42b1eb4a3740e60cb30eb88d2a582062_JaffaCakes118.exe windows:4 windows x86 arch:x86
Headers
File Characteristics
IMAGE_FILE_RELOCS_STRIPPED
IMAGE_FILE_EXECUTABLE_IMAGE
IMAGE_FILE_32BIT_MACHINE
Sections
UPX0 Size: - Virtual size: 48KB
IMAGE_SCN_CNT_UNINITIALIZED_DATA
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
UPX1 Size: 28KB - Virtual size: 28KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
.rsrc Size: 2KB - 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_32BIT_MACHINE
Sections
.text Size: 45KB - Virtual size: 45KB
IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
.rdata Size: 12KB - Virtual size: 11KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
.data Size: 512B - Virtual size: 2KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
.rsrc Size: 2KB - Virtual size: 2KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ