Behavioral task
behavioral1
Sample
2024-06-12_4ffe23ac0f1ea82c35d398e465dfda33_cryptolocker.exe
Resource
win7-20240220-en
Behavioral task
behavioral2
Sample
2024-06-12_4ffe23ac0f1ea82c35d398e465dfda33_cryptolocker.exe
Resource
win10v2004-20240508-en
General
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Target
2024-06-12_4ffe23ac0f1ea82c35d398e465dfda33_cryptolocker
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Size
79KB
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MD5
4ffe23ac0f1ea82c35d398e465dfda33
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SHA1
6079d695d43dd81cde369c79c5d460620100bcff
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SHA256
d62dd4729e726395f31d52b2bc2b1d06dca0f1ce989929b31bd5612b20d1f792
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SHA512
d625ef1b66f5bfc6995f33e8593796127614a789a677640c7e119ad4ba0fb7cf4f9b83f3ecb703117be835183eca5eaa6a362ebea042fad23529f948e1802a58
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SSDEEP
1536:T6QFElP6n+gxmddpMOtEvwDpjwaxTNUOAkXtBdJcRY:T6a+rdOOtEvwDpjNtF
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 2024-06-12_4ffe23ac0f1ea82c35d398e465dfda33_cryptolocker
Files
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2024-06-12_4ffe23ac0f1ea82c35d398e465dfda33_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