Behavioral task
behavioral1
Sample
2024-04-08_28e8e90d3c562f0dc365b769e2c54040_cryptolocker.exe
Resource
win7-20240221-en
Behavioral task
behavioral2
Sample
2024-04-08_28e8e90d3c562f0dc365b769e2c54040_cryptolocker.exe
Resource
win10v2004-20240319-en
General
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Target
2024-04-08_28e8e90d3c562f0dc365b769e2c54040_cryptolocker
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Size
84KB
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MD5
28e8e90d3c562f0dc365b769e2c54040
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SHA1
ac0b0a582ed8f6ef45b1ae0e1103b6cad237dfe2
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SHA256
b88dd8b427c18f3db323cc6384bf6caedd3c8984f3306e0d33f6803e67355195
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SHA512
9536a2b7b2584e95703dbaaf62e1b29666c95e946b6ae316caab3aebc354469f92e43749bdf68d13e0778f053ddec5a54789a6f8ca3ab9fd254080f462abaf23
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SSDEEP
1536:T6QFElP6n+gxmddpMOtEvwDpjwaxTNUOT7vM5R9:T6a+rdOOtEvwDpjNA
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 2024-04-08_28e8e90d3c562f0dc365b769e2c54040_cryptolocker
Files
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2024-04-08_28e8e90d3c562f0dc365b769e2c54040_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