Behavioral task
behavioral1
Sample
2024-04-30_a887f534fa22cb3b29edb405c3c3df3d_cryptolocker.exe
Resource
win7-20240221-en
Behavioral task
behavioral2
Sample
2024-04-30_a887f534fa22cb3b29edb405c3c3df3d_cryptolocker.exe
Resource
win10v2004-20240419-en
General
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Target
2024-04-30_a887f534fa22cb3b29edb405c3c3df3d_cryptolocker
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Size
73KB
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MD5
a887f534fa22cb3b29edb405c3c3df3d
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SHA1
2d47ae9cb962a73ed38603f4b8011e055eb876d8
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SHA256
5b38d534570f508e03f861531921ab7404335587b22ba2f39ae4284452fa367d
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SHA512
230c50391ff7e2345e0d8cc5dece39a25eed7341e853303accdae0724e11681db494781ba7f6da861d85877f9481bfc66614f9425dcbe14e77c695865b124318
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SSDEEP
1536:z6QFElP6n+gKmddpMOtEvwDpj9aYaFAeB6:z6a+CdOOtEvwDpjQM
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_a887f534fa22cb3b29edb405c3c3df3d_cryptolocker
Files
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2024-04-30_a887f534fa22cb3b29edb405c3c3df3d_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