Behavioral task
behavioral1
Sample
2024-05-22_a5f8cc602876612217b18e06e3e2a9d5_cryptolocker.exe
Resource
win7-20231129-en
Behavioral task
behavioral2
Sample
2024-05-22_a5f8cc602876612217b18e06e3e2a9d5_cryptolocker.exe
Resource
win10v2004-20240426-en
General
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Target
2024-05-22_a5f8cc602876612217b18e06e3e2a9d5_cryptolocker
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Size
91KB
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MD5
a5f8cc602876612217b18e06e3e2a9d5
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SHA1
4809902355c17a3dc37d6b0782edd3ec56222162
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SHA256
63f61cc3f925c2fde3a85a5ab4216e83d661c7ff113d0a93880ade956b03c70e
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SHA512
34a4d6714f845f1afd4ae0f1cab23325b76567d15601197e3840090b0e75fab76066603a43ff9dbcfae2b63e8afa69283b23970a779008c4898d819662fd92a9
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SSDEEP
1536:n6QFElP6n+g9u9cvMOtEvwDpjYYTjipvF2bx1PQAA/DO:n6a+1SEOtEvwDpjYYvQd2PZ
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 2024-05-22_a5f8cc602876612217b18e06e3e2a9d5_cryptolocker
Files
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2024-05-22_a5f8cc602876612217b18e06e3e2a9d5_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