Behavioral task
behavioral1
Sample
a31c8ac4f684b0cdae209cdbbf4b6ce3f780bee0b909d72749d02a457a4317f5.exe
Resource
win7-20231215-en
Behavioral task
behavioral2
Sample
a31c8ac4f684b0cdae209cdbbf4b6ce3f780bee0b909d72749d02a457a4317f5.exe
Resource
win10v2004-20231222-en
General
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Target
a31c8ac4f684b0cdae209cdbbf4b6ce3f780bee0b909d72749d02a457a4317f5
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Size
830KB
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MD5
d21425a9447cdef5a183d915f09e0ef2
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SHA1
21791454aa8772579efd2e7b22fb3a3e4eca11ec
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SHA256
a31c8ac4f684b0cdae209cdbbf4b6ce3f780bee0b909d72749d02a457a4317f5
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SHA512
020f5686d94e161e1736918404eb5e74cef1f546152527d6344f0beb4afab4172e86fea1dff9582ce7c8b53731ff3dea20332f2a6bfa6d66b673a17b9ae1249f
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SSDEEP
12288:ZEmC92VnpahSR7BwkASR49lkQHMIWnDp2f47z4PUUhyVb4yDKUgM03qcmT1Pd2KC:ZEF96C6BwkP2lsl8fEQemdM03zmT1P8
Malware Config
Signatures
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resource yara_rule sample upx -
Unsigned PE 2 IoCs
Checks for missing Authenticode signature.
resource a31c8ac4f684b0cdae209cdbbf4b6ce3f780bee0b909d72749d02a457a4317f5 unpack001/out.upx
Files
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a31c8ac4f684b0cdae209cdbbf4b6ce3f780bee0b909d72749d02a457a4317f5.exe windows:6 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_32BIT_MACHINE
Sections
UPX0 Size: - Virtual size: 428KB
IMAGE_SCN_CNT_UNINITIALIZED_DATA
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
UPX1 Size: 828KB - Virtual size: 828KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
.rsrc Size: 1KB - 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 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_32BIT_MACHINE
Sections
.text Size: 109KB - Virtual size: 109KB
IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
.rdata Size: 33KB - Virtual size: 32KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
.data Size: 4KB - Virtual size: 6KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
.gfids Size: 512B - Virtual size: 288B
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
.rsrc Size: 1.0MB - Virtual size: 1.0MB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
.reloc Size: 6KB - Virtual size: 5KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_DISCARDABLE
IMAGE_SCN_MEM_READ