Behavioral task
behavioral1
Sample
2024-03-25_eff9c18abc2d39ad1abc66730adfb6cd_cryptolocker.exe
Resource
win7-20240221-en
Behavioral task
behavioral2
Sample
2024-03-25_eff9c18abc2d39ad1abc66730adfb6cd_cryptolocker.exe
Resource
win10v2004-20240226-en
General
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Target
2024-03-25_eff9c18abc2d39ad1abc66730adfb6cd_cryptolocker
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Size
49KB
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MD5
eff9c18abc2d39ad1abc66730adfb6cd
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SHA1
1981dd1d44a456b6d30ae2c7e5a9f42d8ea6f83e
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SHA256
a3220695c052d2a5aee8939ec8a89f53ed9933f50d6189231980bdd64c241297
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SHA512
5e8e90b5e82032c2ac6baaee54a93ea4082bff134dda332ec63fb9ed1bcd20ba087404e14c28bf5f6801041dd447f1354d26940d55714527a1e61961cb95cec9
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SSDEEP
768:z6LsoEEeegiZPvEhHSG+gzum/kLyMro2GtOOtEvwDpj/YY1J+OGo:z6QFElP6n+gKmddpMOtEvwDpj31N
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 2024-03-25_eff9c18abc2d39ad1abc66730adfb6cd_cryptolocker
Files
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2024-03-25_eff9c18abc2d39ad1abc66730adfb6cd_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