Behavioral task
behavioral1
Sample
2024-03-15_c81cfddfb1e9ebd8585f196edaa621cb_cryptolocker.exe
Resource
win7-20240221-en
Behavioral task
behavioral2
Sample
2024-03-15_c81cfddfb1e9ebd8585f196edaa621cb_cryptolocker.exe
Resource
win10v2004-20240226-en
General
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Target
2024-03-15_c81cfddfb1e9ebd8585f196edaa621cb_cryptolocker
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Size
82KB
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MD5
c81cfddfb1e9ebd8585f196edaa621cb
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SHA1
1773cfb19223f4453d4dadef4801e2a28fb9f030
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SHA256
6e6a420f84ca2f46312094a95d4a857637da343581690a63931be0f2e4623531
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SHA512
df604296758e324cef9115a6d0a0a57490e607343870581be73356808304fa5acd30c8e02c86af69468e636b9cb2cea85775bae7ef84ee6c9968b7f5b263a098
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SSDEEP
1536:T6QFElP6n+gxmddpMOtEvwDpjwaxTNUOAkXtBd04M:T6a+rdOOtEvwDpjNtS
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 2024-03-15_c81cfddfb1e9ebd8585f196edaa621cb_cryptolocker
Files
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2024-03-15_c81cfddfb1e9ebd8585f196edaa621cb_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