Behavioral task
behavioral1
Sample
ef06367620ed1f00ece97d620a02a62cf9b92a4a53fa36e828efe547781a1dfd.exe
Resource
win7-20240705-en
Behavioral task
behavioral2
Sample
ef06367620ed1f00ece97d620a02a62cf9b92a4a53fa36e828efe547781a1dfd.exe
Resource
win10v2004-20240709-en
General
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Target
ef06367620ed1f00ece97d620a02a62cf9b92a4a53fa36e828efe547781a1dfd.exe
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Size
4.1MB
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MD5
a1ca3c151c15f606d3703b98c3263fbf
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SHA1
405be11752cbc1a80675f6461e929716c9a0e816
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SHA256
ef06367620ed1f00ece97d620a02a62cf9b92a4a53fa36e828efe547781a1dfd
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SHA512
b631874cf3f50a054fbff5554425f4d9bfd0a60e9e4ece07abf7301b06944ecc5927361ac8dc2fe5c1e9bf0927b94c66459c2552116ffbf0ccd7722c3338e6b1
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SSDEEP
98304:a5T2Ea6cNi9wWLbdI0RqCtql95K8uBtpEZAzRXC3e:aDanQwW/4j5KRzRy
Malware Config
Signatures
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Merlin family
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Merlin payload 1 IoCs
resource yara_rule static1/unpack001/out.upx family_merlin -
resource yara_rule sample upx -
Unsigned PE 2 IoCs
Checks for missing Authenticode signature.
resource ef06367620ed1f00ece97d620a02a62cf9b92a4a53fa36e828efe547781a1dfd.exe unpack001/out.upx
Files
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ef06367620ed1f00ece97d620a02a62cf9b92a4a53fa36e828efe547781a1dfd.exe.exe windows:6 windows x64 arch:x64
Headers
DLL Characteristics
IMAGE_DLLCHARACTERISTICS_HIGH_ENTROPY_VA
IMAGE_DLLCHARACTERISTICS_DYNAMIC_BASE
IMAGE_DLLCHARACTERISTICS_NX_COMPAT
IMAGE_DLLCHARACTERISTICS_TERMINAL_SERVER_AWARE
File Characteristics
IMAGE_FILE_EXECUTABLE_IMAGE
IMAGE_FILE_LARGE_ADDRESS_AWARE
Sections
UPX0 Size: - Virtual size: 8.5MB
IMAGE_SCN_CNT_UNINITIALIZED_DATA
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
UPX1 Size: 4.1MB - Virtual size: 4.1MB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
UPX2 Size: 512B - Virtual size: 4KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
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out.upx.exe windows:6 windows x64 arch:x64
Headers
DLL Characteristics
IMAGE_DLLCHARACTERISTICS_HIGH_ENTROPY_VA
IMAGE_DLLCHARACTERISTICS_DYNAMIC_BASE
IMAGE_DLLCHARACTERISTICS_NX_COMPAT
IMAGE_DLLCHARACTERISTICS_TERMINAL_SERVER_AWARE
File Characteristics
IMAGE_FILE_EXECUTABLE_IMAGE
IMAGE_FILE_LARGE_ADDRESS_AWARE
Sections
.text Size: 5.4MB - Virtual size: 5.4MB
IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
.rdata Size: 5.2MB - Virtual size: 5.2MB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
.data Size: 1.1MB - Virtual size: 1.7MB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
.pdata Size: 120KB - Virtual size: 119KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
.xdata Size: 512B - Virtual size: 180B
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
.idata Size: 1KB - Virtual size: 1KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
.reloc Size: 104KB - Virtual size: 104KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_DISCARDABLE
IMAGE_SCN_MEM_READ
.symtab Size: 512B - Virtual size: 4B
IMAGE_SCN_MEM_DISCARDABLE
IMAGE_SCN_MEM_READ