Behavioral task
behavioral1
Sample
2024-04-30_36d5919485f8868e8a82a31d8595a4e0_cryptolocker.exe
Resource
win7-20231129-en
Behavioral task
behavioral2
Sample
2024-04-30_36d5919485f8868e8a82a31d8595a4e0_cryptolocker.exe
Resource
win10v2004-20240419-en
General
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Target
2024-04-30_36d5919485f8868e8a82a31d8595a4e0_cryptolocker
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Size
58KB
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MD5
36d5919485f8868e8a82a31d8595a4e0
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SHA1
dbad6ae62fb445546fa85d65c9b70f929e99f825
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SHA256
27e52940cc2813a9c26f1628280bd8543ec75d6934e8b440353730eb92ca0029
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SHA512
3d7680e08f7cee0c262d7f4450cf10d36dc434309a4fc2440480527ab9970b1e135c99eb7e016e846286be49d8092755cd87d11761fd2c13250403f1830912b7
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SSDEEP
768:z6LsoEEeegiZPvEhHSG+gzum/kLyMro2GtOOtEvwDpj/YMLam5ax+N3:z6QFElP6n+gKmddpMOtEvwDpj9aYaQ
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 2024-04-30_36d5919485f8868e8a82a31d8595a4e0_cryptolocker
Files
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2024-04-30_36d5919485f8868e8a82a31d8595a4e0_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