Behavioral task
behavioral1
Sample
2024-04-17_cf1ebcd5030e6397b8cddf0c39d67495_cryptolocker.exe
Resource
win7-20240221-en
Behavioral task
behavioral2
Sample
2024-04-17_cf1ebcd5030e6397b8cddf0c39d67495_cryptolocker.exe
Resource
win10v2004-20240412-en
General
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Target
2024-04-17_cf1ebcd5030e6397b8cddf0c39d67495_cryptolocker
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Size
50KB
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MD5
cf1ebcd5030e6397b8cddf0c39d67495
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SHA1
f66b9d8740a2961bbf56f6cebcf25df327e5d9c5
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SHA256
4eaec54a84dfe562e0faeb338f3000c08699189195d2e56535a60717856fc412
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SHA512
763ba5a898fc371ce65224c009a5ebc93e1c9de8f88e0256f8eb767d7867e25636487f8fcbc5c0b859d15613537a595eb9c2ee360fd59715256a9cf993778a1e
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SSDEEP
768:bODOw9UiamWUB2preAr+OfjH/0S16avdrQFiLjJvt/:bODOw9acifAoc+v/
Malware Config
Signatures
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Detection of CryptoLocker Variants 1 IoCs
resource yara_rule sample CryptoLocker_rule2 -
UPX dump on OEP (original entry point) 1 IoCs
resource yara_rule sample UPX -
resource yara_rule sample upx -
Unsigned PE 1 IoCs
Checks for missing Authenticode signature.
resource 2024-04-17_cf1ebcd5030e6397b8cddf0c39d67495_cryptolocker
Files
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2024-04-17_cf1ebcd5030e6397b8cddf0c39d67495_cryptolocker.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
IMAGE_FILE_DEBUG_STRIPPED
Sections
UPX0 Size: 16KB - Virtual size: 28KB
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: 8KB - Virtual size: 12KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
.imports Size: 1024B - Virtual size: 4KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE