Behavioral task
behavioral1
Sample
2024-02-04_76dd3ed9c264d3375e781b3003ea22c2_cryptolocker.exe
Resource
win7-20231215-en
Behavioral task
behavioral2
Sample
2024-02-04_76dd3ed9c264d3375e781b3003ea22c2_cryptolocker.exe
Resource
win10v2004-20231215-en
General
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Target
2024-02-04_76dd3ed9c264d3375e781b3003ea22c2_cryptolocker
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Size
115KB
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MD5
76dd3ed9c264d3375e781b3003ea22c2
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SHA1
233bd40443e81b48cfad5b07ddcd551bdb233c10
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SHA256
4444bbdcb40660bd3f0a46af20cfcbc0d8e1c891cabc0430cf9adb934c771fcc
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SHA512
b80e8d911513c80c880602a52103561ed6312cb6703e62f8b5e036f5338843bc5cc108456b10546fc3b2bdcf3eb2646c31caa7255f78d71b05ce3c2cb4bb5abd
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SSDEEP
1536:T6QFElP6n+gxmddpMOtEvwDpjCGYQbN/PKwNgerar/c6:T6a+rdOOtEvwDpjLzM
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 2024-02-04_76dd3ed9c264d3375e781b3003ea22c2_cryptolocker
Files
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2024-02-04_76dd3ed9c264d3375e781b3003ea22c2_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