Behavioral task
behavioral1
Sample
2024-05-21_da20db02c1e7594338cc36a7c8cac0f0_cryptolocker.exe
Resource
win7-20240508-en
Behavioral task
behavioral2
Sample
2024-05-21_da20db02c1e7594338cc36a7c8cac0f0_cryptolocker.exe
Resource
win10v2004-20240508-en
General
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Target
2024-05-21_da20db02c1e7594338cc36a7c8cac0f0_cryptolocker
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Size
59KB
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MD5
da20db02c1e7594338cc36a7c8cac0f0
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SHA1
1ec5eb4dc357d044b390c2aec1c07c8b135e4ab6
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SHA256
bca4ca529673baaa84fe03536da472f3571e134c610636a7ac538cef17d54632
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SHA512
f4ebf9b9b0f6eb72d4952b35e7202608da8eff442037826fe786bfea59f29d40a98e7a1a2ea7fe06ebe64cdb722f69c70ab078fd712c8390ff998bca1e7bef01
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SSDEEP
768:H6LsoEEeegiZPvEhHSG+gk5NQXtckstOOtEvwDpjhBaD3TUogs/VXpAP6p9:H6QFElP6n+gou9cvMOtEvwDpjCpVXD
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 2024-05-21_da20db02c1e7594338cc36a7c8cac0f0_cryptolocker
Files
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2024-05-21_da20db02c1e7594338cc36a7c8cac0f0_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: 11KB - 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