Behavioral task
behavioral1
Sample
2024-05-11_f5d9cbfb2409510bc9bf4f73052bec9f_cryptolocker.exe
Resource
win7-20240419-en
Behavioral task
behavioral2
Sample
2024-05-11_f5d9cbfb2409510bc9bf4f73052bec9f_cryptolocker.exe
Resource
win10v2004-20240426-en
General
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Target
2024-05-11_f5d9cbfb2409510bc9bf4f73052bec9f_cryptolocker
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Size
89KB
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MD5
f5d9cbfb2409510bc9bf4f73052bec9f
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SHA1
5534e5d80be5c8707be31272d96d6341496d86bf
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SHA256
58b0c1014957c6e5431e42dc5feddd70ca733556f95b10e4db145b1d23dc25c2
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SHA512
f719d553c5835b5e5093392702a25bc1ae3aeffc9f5f1a967331da515946a7bd82dcbd04d4181a189bab2ba13132c9eb3b814bfb9548f631cab79eb081dba404
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SSDEEP
1536:n6QFElP6n+g9u9cvMOtEvwDpjYYTjipvF2bx1PQA4:n6a+1SEOtEvwDpjYYvQd2P4
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 2024-05-11_f5d9cbfb2409510bc9bf4f73052bec9f_cryptolocker
Files
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2024-05-11_f5d9cbfb2409510bc9bf4f73052bec9f_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: 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