Behavioral task
behavioral1
Sample
fbyopyvvrh.exe
Resource
win7-20240708-en
Behavioral task
behavioral2
Sample
fbyopyvvrh.exe
Resource
win10v2004-20240802-en
Behavioral task
behavioral3
Sample
out.exe
Resource
win7-20240705-en
Behavioral task
behavioral4
Sample
out.exe
Resource
win10v2004-20240802-en
General
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Target
fbyopyvvrh.exe
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Size
2.4MB
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MD5
f5867ed9af57c2faf038ff6e109303e3
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SHA1
9db94c736fd98a90a97bb9cfe41c5d23c8b5c340
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SHA256
979afacc661689e28fe893e565e95b5f6d8ab50fc8f25d464e299cc638fb7288
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SHA512
c87c7fe6e30a4f46ecdb9a9e44c45f6940f69f7bfe2126130217c0dc269f9c71cf340c46ce9bd1562d2c63862da9ca811c889c562603949d3b5c419eedd0a033
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SSDEEP
49152:CCK3G1yc4v/xQFDHrDN6/gb4imMnabJQlH/GKe6NHKtDiuhJjt4wu1KO21:nK3G1lOQFDHPM/grIJgHFe65KVvSE1
Malware Config
Signatures
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resource yara_rule sample upx -
Unsigned PE 2 IoCs
Checks for missing Authenticode signature.
resource fbyopyvvrh.exe unpack001/out.upx
Files
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fbyopyvvrh.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: 712KB
IMAGE_SCN_CNT_UNINITIALIZED_DATA
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
UPX1 Size: 754KB - Virtual size: 756KB
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: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: 974KB - Virtual size: 974KB
IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
.rdata Size: 417KB - Virtual size: 416KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
.data Size: 3KB - Virtual size: 6KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
.pdata Size: 36KB - Virtual size: 36KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
.rsrc Size: 512B - Virtual size: 480B
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
.reloc Size: 2KB - Virtual size: 1KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_DISCARDABLE
IMAGE_SCN_MEM_READ