Behavioral task
behavioral1
Sample
2024-04-09_4f21a4450b988a1b0989ea9da456c59c_cryptolocker.exe
Resource
win7-20240221-en
Behavioral task
behavioral2
Sample
2024-04-09_4f21a4450b988a1b0989ea9da456c59c_cryptolocker.exe
Resource
win10v2004-20240226-en
General
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Target
2024-04-09_4f21a4450b988a1b0989ea9da456c59c_cryptolocker
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Size
59KB
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MD5
4f21a4450b988a1b0989ea9da456c59c
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SHA1
15186e27769989af7deb4cb5bf6c4852d8f80255
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SHA256
75fc1939e0df9c31b267741904542715b864c80b229559ae7144eeb792964118
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SHA512
e61e61476d88558a409f2183bbbc22b9f7d8442ade9a4ea3fac89dc1d6e64947cc6d111d6866585363e7d3a8ffb0a39fed9f2fb46b610d21fed8933dde951763
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SSDEEP
768:z6LsoEEeegiZPvEhHSG+gzum/kLyMro2GtOOtEvwDpj/YMLam5appuE:z6QFElP6n+gKmddpMOtEvwDpj9aYa3
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 2024-04-09_4f21a4450b988a1b0989ea9da456c59c_cryptolocker
Files
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2024-04-09_4f21a4450b988a1b0989ea9da456c59c_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