Behavioral task
behavioral1
Sample
2024-05-28_b0bdfb942c5589cbdd2a673f3a3c1504_cryptolocker.exe
Resource
win7-20240508-en
Behavioral task
behavioral2
Sample
2024-05-28_b0bdfb942c5589cbdd2a673f3a3c1504_cryptolocker.exe
Resource
win10v2004-20240426-en
General
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Target
2024-05-28_b0bdfb942c5589cbdd2a673f3a3c1504_cryptolocker
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Size
90KB
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MD5
b0bdfb942c5589cbdd2a673f3a3c1504
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SHA1
e9161a33ecee409352e7655f43c6c7a6cfd8a6ce
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SHA256
42dbca8f1271ac283eeaac97aa6bc37818474daa8832adbb9ec6aa780024ff26
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SHA512
24b23e68f00deb463a4e686de93a992e2c37406f8713d91d032284598ee997f3eaf34ee93d01789cde59de66cfc1819ca5920b607f393c6926a3c05ec50b2520
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SSDEEP
1536:n6QFElP6n+g9u9cvMOtEvwDpjYYTjipvF2bx1PQAyr:n6a+1SEOtEvwDpjYYvQd2P+
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 2024-05-28_b0bdfb942c5589cbdd2a673f3a3c1504_cryptolocker
Files
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2024-05-28_b0bdfb942c5589cbdd2a673f3a3c1504_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