Behavioral task
behavioral1
Sample
12376fbe9a2fb9351e81ccb50e3f5d41606c4ada5e0adf5e99b42e3039e3caea.exe
Resource
win7-20240221-en
General
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Target
12376fbe9a2fb9351e81ccb50e3f5d41606c4ada5e0adf5e99b42e3039e3caea
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Size
35KB
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MD5
4c4a1b51d2cfcd2563e7bb126cfff9df
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SHA1
57a9ee5cc86ead786420457fb459ec300b775720
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SHA256
12376fbe9a2fb9351e81ccb50e3f5d41606c4ada5e0adf5e99b42e3039e3caea
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SHA512
5cce5d9347eec342a09baee7bf8ff34e9f4d2a7eedab15b30e1bdb61108cc8ae27a73384314b9a00c4e84d2c72c7165502a8b8f8067497ca8bb371da8c26434f
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SSDEEP
768:M3EVdV0YXY/nckNsWheCNSdd57Do5utsp1TOIIIwjk60ueeeK:lVdm5/nprh3Ny57guSTOjKueeeK
Malware Config
Signatures
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Detects Windows executables referencing non-Windows User-Agents 1 IoCs
resource yara_rule static1/unpack001/out.upx INDICATOR_SUSPICIOUS_EXE_NoneWindowsUA -
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 12376fbe9a2fb9351e81ccb50e3f5d41606c4ada5e0adf5e99b42e3039e3caea unpack001/out.upx
Files
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12376fbe9a2fb9351e81ccb50e3f5d41606c4ada5e0adf5e99b42e3039e3caea.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: 56KB
IMAGE_SCN_CNT_UNINITIALIZED_DATA
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
UPX1 Size: 16KB - Virtual size: 20KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
.rsrc Size: 9KB - Virtual size: 12KB
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_LINE_NUMS_STRIPPED
IMAGE_FILE_LOCAL_SYMS_STRIPPED
IMAGE_FILE_32BIT_MACHINE
Sections
.text Size: 24KB - Virtual size: 20KB
IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
.rdata Size: 4KB - Virtual size: 2KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
.data Size: 4KB - Virtual size: 5KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
.rsrc Size: 24KB - Virtual size: 20KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
.htext Size: 4KB - Virtual size: 4KB
IMAGE_SCN_CNT_CODE
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE