Behavioral task
behavioral1
Sample
f41f539b551e2b17e3228314f2c2e39c838a8cd9777a41e9cb2c67eb32c5ea88.exe
Resource
win7-20240221-en
Behavioral task
behavioral2
Sample
f41f539b551e2b17e3228314f2c2e39c838a8cd9777a41e9cb2c67eb32c5ea88.exe
Resource
win10v2004-20240226-en
General
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Target
f41f539b551e2b17e3228314f2c2e39c838a8cd9777a41e9cb2c67eb32c5ea88
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Size
478KB
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MD5
9dc43f9e1dc769088ef0e2f7042e7a24
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SHA1
9166101c4817488d52b0a2ff92a607e802b21781
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SHA256
f41f539b551e2b17e3228314f2c2e39c838a8cd9777a41e9cb2c67eb32c5ea88
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SHA512
fad41b0cf4e55bf53f7b4b70f3bf6adf386fcd63b0091db3721aa9376face2126485bf602a7616f39c468aa1171a2ef53315c2a0846f7a7098d30807bf88d6ad
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SSDEEP
12288:fBmUO6G+vuaEKG3G+NTamwy33XuXfhRJkwXW67/BaEsMr0j:fBmT6FWaU3G6a7y33XuX5DkwbBaE3rc
Malware Config
Signatures
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UPX dump on OEP (original entry point) 1 IoCs
resource yara_rule sample UPX -
resource yara_rule sample upx -
Unsigned PE 2 IoCs
Checks for missing Authenticode signature.
resource f41f539b551e2b17e3228314f2c2e39c838a8cd9777a41e9cb2c67eb32c5ea88 unpack001/out.upx
Files
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f41f539b551e2b17e3228314f2c2e39c838a8cd9777a41e9cb2c67eb32c5ea88.exe windows:5 windows x86 arch:x86
Headers
DLL Characteristics
IMAGE_DLLCHARACTERISTICS_DYNAMIC_BASE
IMAGE_DLLCHARACTERISTICS_NX_COMPAT
IMAGE_DLLCHARACTERISTICS_TERMINAL_SERVER_AWARE
File Characteristics
IMAGE_FILE_EXECUTABLE_IMAGE
IMAGE_FILE_LARGE_ADDRESS_AWARE
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: 29KB - Virtual size: 32KB
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:5 windows x86 arch:x86
Headers
DLL Characteristics
IMAGE_DLLCHARACTERISTICS_DYNAMIC_BASE
IMAGE_DLLCHARACTERISTICS_NX_COMPAT
IMAGE_DLLCHARACTERISTICS_TERMINAL_SERVER_AWARE
File Characteristics
IMAGE_FILE_EXECUTABLE_IMAGE
IMAGE_FILE_LARGE_ADDRESS_AWARE
IMAGE_FILE_32BIT_MACHINE
Sections
.text Size: 46KB - Virtual size: 45KB
IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
.data Size: 3KB - Virtual size: 11KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
.reloc Size: 8KB - Virtual size: 8KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_DISCARDABLE
IMAGE_SCN_MEM_READ