Behavioral task
behavioral1
Sample
20240521fbfb762abfd293f07fe29d86350689c1cryptolocker.exe
Resource
win7-20240508-en
Behavioral task
behavioral2
Sample
20240521fbfb762abfd293f07fe29d86350689c1cryptolocker.exe
Resource
win10v2004-20240226-en
General
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Target
20240521fbfb762abfd293f07fe29d86350689c1cryptolocker
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Size
38KB
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MD5
fbfb762abfd293f07fe29d86350689c1
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SHA1
c5c9d631f132da0f1fa1b4cb41049b83cda514db
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SHA256
e3b264cdaddf219690c8676d8739e17188fa25bc8d5d9b9596342eb334f4754a
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SHA512
02160b0519b3b59dec0a4cb7ec416f3b6a3fd89b6731fc42b460e820cbabf9ff16660c6539c967cf9366d940f1f67992a10504a93001f351eda0f3ef9253bf0a
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SSDEEP
768:qTVbxjgQNQXtckstOOtEvwDpjAaD3TUogs/VXpAPWR3:qTJu9cvMOtEvwDpjppVXzR3
Malware Config
Signatures
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resource yara_rule sample upx -
Unsigned PE 2 IoCs
Checks for missing Authenticode signature.
resource 20240521fbfb762abfd293f07fe29d86350689c1cryptolocker unpack001/out.upx
Files
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20240521fbfb762abfd293f07fe29d86350689c1cryptolocker.exe windows:5 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: 32KB
IMAGE_SCN_CNT_UNINITIALIZED_DATA
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
UPX1 Size: 11KB - Virtual size: 12KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
.rsrc Size: 11KB - Virtual size: 12KB
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
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: 11KB - Virtual size: 11KB
IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
.rdata Size: 1KB - Virtual size: 1KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
.data Size: 1024B - Virtual size: 1KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
.rsrc Size: 11KB - Virtual size: 10KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ