Behavioral task
behavioral1
Sample
2024-04-23_4f1cc02e954190e5536b5c2fe8bd75cd_cryptolocker.exe
Resource
win7-20231129-en
Behavioral task
behavioral2
Sample
2024-04-23_4f1cc02e954190e5536b5c2fe8bd75cd_cryptolocker.exe
Resource
win10v2004-20240412-en
General
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Target
2024-04-23_4f1cc02e954190e5536b5c2fe8bd75cd_cryptolocker
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Size
96KB
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MD5
4f1cc02e954190e5536b5c2fe8bd75cd
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SHA1
c6b725d58b30ef12b343b744be814ab2913a6b7b
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SHA256
d7850fd01e308e0e44e3554174e72acd9d4b1db2c87713447b70b372aa7be80a
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SHA512
685f296d9d9ad3b1b2e09c41d8867f6ab1f61a842e867ee7585a7763bf51a5370d5deb590941d99692e57f753b0573ec8440c092328e3f87b020edfd37d1f88b
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SSDEEP
1536:zj+soPSMOtEvwDpj4ktBl01hJl8QAPM8Ho6cRDjgx/bp:zCsanOtEvwDpjBt
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 2024-04-23_4f1cc02e954190e5536b5c2fe8bd75cd_cryptolocker
Files
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2024-04-23_4f1cc02e954190e5536b5c2fe8bd75cd_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