Behavioral task
behavioral1
Sample
2024-04-20_fb5df5d9cc91e517bf4cccff42ee5710_cryptolocker.exe
Resource
win7-20231129-en
Behavioral task
behavioral2
Sample
2024-04-20_fb5df5d9cc91e517bf4cccff42ee5710_cryptolocker.exe
Resource
win10v2004-20240226-en
General
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Target
2024-04-20_fb5df5d9cc91e517bf4cccff42ee5710_cryptolocker
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Size
50KB
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MD5
fb5df5d9cc91e517bf4cccff42ee5710
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SHA1
6f96b4606754e5ed9998c4d9da47892841b3753b
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SHA256
fdefbea2d915dbd4eda2708e0dd438630c7008ee5c36c59f861a16826b5325e6
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SHA512
4538e9c9a107535b29c94ddfe9b91dfd348256b57503b40e3b5e90b9d2480a78bf2085d92e0cec3ed92c743877945e2ce12362bb61438eb737658ad239d862f7
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SSDEEP
768:bODOw9UiamWUB2preAr+OfjH/0S16avdrQFiLjJvtA:bODOw9acifAoc+vA
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 2024-04-20_fb5df5d9cc91e517bf4cccff42ee5710_cryptolocker
Files
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2024-04-20_fb5df5d9cc91e517bf4cccff42ee5710_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