Behavioral task
behavioral1
Sample
40b8ac2857d2044162b5e529bcb18cbd.exe
Resource
win7-20231129-en
Behavioral task
behavioral2
Sample
40b8ac2857d2044162b5e529bcb18cbd.exe
Resource
win10v2004-20231215-en
General
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Target
40b8ac2857d2044162b5e529bcb18cbd
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Size
812KB
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MD5
40b8ac2857d2044162b5e529bcb18cbd
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SHA1
a6da15310a365743c6e657e71264c908adfa1636
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SHA256
78ff774c3d3b5254fc1f02e4b6681fba2bc08c1c5861f9fd3136c5b8e79a36b4
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SHA512
128f7b0b17dbde3d2cebc3ca78148df5821848a19581f397e2068ef3141abbbfb37d3c885a928a906d15b91d76ad84cbc7aebd8346139460e23ed876e4efa71c
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SSDEEP
24576:28cOqTVRvsEzFcZTV6PeXMtYqONE4WtkOLK:21TVhzFdmXgN4WtkV
Malware Config
Signatures
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resource yara_rule sample upx -
Unsigned PE 2 IoCs
Checks for missing Authenticode signature.
resource 40b8ac2857d2044162b5e529bcb18cbd unpack001/out.upx
Files
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40b8ac2857d2044162b5e529bcb18cbd.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_RELOCS_STRIPPED
IMAGE_FILE_EXECUTABLE_IMAGE
IMAGE_FILE_32BIT_MACHINE
Sections
UPX0 Size: - Virtual size: 1.2MB
IMAGE_SCN_CNT_UNINITIALIZED_DATA
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
UPX1 Size: 326KB - Virtual size: 328KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
.rsrc Size: 485KB - Virtual size: 488KB
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_RELOCS_STRIPPED
IMAGE_FILE_EXECUTABLE_IMAGE
IMAGE_FILE_32BIT_MACHINE
Sections
.text Size: 523KB - Virtual size: 523KB
IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
.rdata Size: 97KB - Virtual size: 96KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
.data Size: 11KB - Virtual size: 28KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
.rsrc Size: 813KB - Virtual size: 813KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
.reloc Size: 28KB - Virtual size: 27KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_DISCARDABLE
IMAGE_SCN_MEM_READ