Behavioral task
behavioral1
Sample
2024-05-26_dffb5f1ac6dc5d44bbff4b1c704b91d2_cryptolocker.exe
Resource
win7-20240221-en
Behavioral task
behavioral2
Sample
2024-05-26_dffb5f1ac6dc5d44bbff4b1c704b91d2_cryptolocker.exe
Resource
win10v2004-20240426-en
General
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Target
2024-05-26_dffb5f1ac6dc5d44bbff4b1c704b91d2_cryptolocker
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Size
60KB
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MD5
dffb5f1ac6dc5d44bbff4b1c704b91d2
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SHA1
81d778023d1f29ded19831c345f58b4afe0eebdf
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SHA256
e8237dff89d26a7fff453f06d5c2f581fba1cae815cae5870b469679ca498c38
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SHA512
08728e294e1cd5d75c0e9aac5b907762209a8092267b18203424e47127728e8dc767110b8111afb0c052ffd197da56f20e65187adbd2d4eae53097bb977b40e6
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SSDEEP
768:H6LsoEEeegiZPvEhHSG+gk5NQXtckstOOtEvwDpjhBaD3TUogs/VXpAP6pI:H6QFElP6n+gou9cvMOtEvwDpjCpVXC
Malware Config
Signatures
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Detection of CryptoLocker Variants 1 IoCs
resource yara_rule sample CryptoLocker_rule2 -
Detection of Cryptolocker Samples 1 IoCs
resource yara_rule sample CryptoLocker_set1 -
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 2024-05-26_dffb5f1ac6dc5d44bbff4b1c704b91d2_cryptolocker
Files
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2024-05-26_dffb5f1ac6dc5d44bbff4b1c704b91d2_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: 20KB - Virtual size: 32KB
IMAGE_SCN_CNT_CODE
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
.imports Size: 1024B - Virtual size: 4KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE