Behavioral task
behavioral1
Sample
2024-04-19_155993b48e84b42e8b8e5512ecbc08a7_cryptolocker.exe
Resource
win7-20240221-en
Behavioral task
behavioral2
Sample
2024-04-19_155993b48e84b42e8b8e5512ecbc08a7_cryptolocker.exe
Resource
win10v2004-20240412-en
General
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Target
2024-04-19_155993b48e84b42e8b8e5512ecbc08a7_cryptolocker
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Size
96KB
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MD5
155993b48e84b42e8b8e5512ecbc08a7
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SHA1
2fcf4f68541b250e9fa7ae297f144fd7b8fb0289
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SHA256
d6e252c15c98bb117d425417bd3817ef8e027801811ecdd65af6857d44c76381
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SHA512
8bff0ec68cb74968a58257f93c71e24027350e7ac72a09a3718f05b13a925b31c390fc442806d4fbb86d5989ed1e615ee98361fea111ba46b6674c3d40d87e27
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SSDEEP
1536:zj+soPSMOtEvwDpj4ktBl01hJl8QAPM8Ho6cRDjgx/bx:zCsanOtEvwDpjB1
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 2024-04-19_155993b48e84b42e8b8e5512ecbc08a7_cryptolocker
Files
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2024-04-19_155993b48e84b42e8b8e5512ecbc08a7_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: 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