Behavioral task
behavioral1
Sample
2024-03-06_aa58448675e1a05dbde3f700bf8e7f39_cryptolocker.exe
Resource
win7-20240221-en
Behavioral task
behavioral2
Sample
2024-03-06_aa58448675e1a05dbde3f700bf8e7f39_cryptolocker.exe
Resource
win10v2004-20240226-en
General
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Target
2024-03-06_aa58448675e1a05dbde3f700bf8e7f39_cryptolocker
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Size
81KB
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MD5
aa58448675e1a05dbde3f700bf8e7f39
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SHA1
0bcf087fb79922f0b3898b032c88154080298b92
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SHA256
27057595c8a53cd3dde740e23c8fa5035ef229bba252bef870c3db6204d32635
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SHA512
641bb0169b0c7b8f9afe78032d9329481adf1876b0c1f19ea22f978b19678f9f38a3a06eb9ec2182b486a2beeb28100b5db9beaaae9d708e53ec1a76d94254dc
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SSDEEP
1536:T6QFElP6n+gxmddpMOtEvwDpjwaxTNUOAkXtBd0nj2T: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 2024-03-06_aa58448675e1a05dbde3f700bf8e7f39_cryptolocker
Files
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2024-03-06_aa58448675e1a05dbde3f700bf8e7f39_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