Behavioral task
behavioral1
Sample
2024-04-26_b9737cfc511572bafb44cb83d837a35b_cryptolocker.exe
Resource
win7-20240221-en
Behavioral task
behavioral2
Sample
2024-04-26_b9737cfc511572bafb44cb83d837a35b_cryptolocker.exe
Resource
win10v2004-20240426-en
General
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Target
2024-04-26_b9737cfc511572bafb44cb83d837a35b_cryptolocker
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Size
40KB
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MD5
b9737cfc511572bafb44cb83d837a35b
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SHA1
1a1e5011dabfc90abfd20006b82d10be5ddce4dd
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SHA256
3d93d6706d3826b49fc042d975fcf4375e1f6980a3beba78678dbc860b65c8d4
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SHA512
e5a979404571ac3f84cc8923fe812ab9e9b2a5deade1a5b2caab845e9c6d2d97059e001552b96c71ac04f52108ae2082afb5287b22c66f4dc644ffdeac4bb91f
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SSDEEP
384:ba74uGLLQRcsdeQ72ngEr4K7YmE8j6CQYnrz1ZhdaXFXSCVQTLfjDpXqxKHaI:ba74zYcgT/EkdCQgpwXFXSqQXfj0xKB
Malware Config
Signatures
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Detection of CryptoLocker Variants 1 IoCs
resource yara_rule sample CryptoLocker_rule2 -
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 2024-04-26_b9737cfc511572bafb44cb83d837a35b_cryptolocker
Files
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2024-04-26_b9737cfc511572bafb44cb83d837a35b_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: 16KB - Virtual size: 28KB
IMAGE_SCN_CNT_UNINITIALIZED_DATA
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
UPX1 Size: 11KB - Virtual size: 12KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
.rsrc Size: 8KB - 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