Behavioral task
behavioral1
Sample
2024-03-13_a8f4f3b2a669e378a60e0bd0f4384c96_cryptolocker.exe
Resource
win7-20240221-en
Behavioral task
behavioral2
Sample
2024-03-13_a8f4f3b2a669e378a60e0bd0f4384c96_cryptolocker.exe
Resource
win10v2004-20240226-en
General
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Target
2024-03-13_a8f4f3b2a669e378a60e0bd0f4384c96_cryptolocker
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Size
57KB
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MD5
a8f4f3b2a669e378a60e0bd0f4384c96
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SHA1
53609e2289bdb1ad11b8ffbaf1e816edf260ac38
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SHA256
0bbbfb3a8b8c93794e473df192962ede19a84e558b36567ff39f1f845bca042b
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SHA512
a83511e778163c6f5b24caa64edaeb23f5afce2cc2532ea14e5e1db1032029e42a0a89a099c47fc64c1f43b9df68765eb7329a9c21f0c2fa06b1ee5f870c53b9
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SSDEEP
768:z6LsoEEeegiZPvEhHSG+gzum/kLyMro2GtOOtEvwDpj/YMLam5appRR2u:z6QFElP6n+gKmddpMOtEvwDpj9aYa32u
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 2024-03-13_a8f4f3b2a669e378a60e0bd0f4384c96_cryptolocker
Files
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2024-03-13_a8f4f3b2a669e378a60e0bd0f4384c96_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_UNINITIALIZED_DATA
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
UPX1 Size: 10KB - 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