Behavioral task
behavioral1
Sample
2024-02-18_b240c39dcee6fe3a206cb0794f19b455_cryptolocker.exe
Resource
win7-20231129-en
Behavioral task
behavioral2
Sample
2024-02-18_b240c39dcee6fe3a206cb0794f19b455_cryptolocker.exe
Resource
win10v2004-20231215-en
General
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Target
2024-02-18_b240c39dcee6fe3a206cb0794f19b455_cryptolocker
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Size
118KB
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MD5
b240c39dcee6fe3a206cb0794f19b455
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SHA1
95eed091f0cbab30f18addf5b2ac73b30fe5a0b1
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SHA256
91ba8e9a84b8dfb85eaf0556bc2df7ecf5ddb742f944ce6a94c01a07d8594a4a
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SHA512
0eb33284521f2a3df4aee4e3ed85fa0039607f46ccf492306099acbf7418717c4c01294da3b0ea5e54919f2912c63717d797b5507da845eb53bf757cab7ae130
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SSDEEP
1536:z6QFElP6n+gKmddpMOtEvwDpj3GYQbN/PKwNgp01QaGq:z6a+CdOOtEvwDpjcz/
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 2024-02-18_b240c39dcee6fe3a206cb0794f19b455_cryptolocker
Files
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2024-02-18_b240c39dcee6fe3a206cb0794f19b455_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