Behavioral task
behavioral1
Sample
2024-06-02_4fbecda22b6288170905bae7308cbb71_cryptolocker.exe
Resource
win7-20240419-en
Behavioral task
behavioral2
Sample
2024-06-02_4fbecda22b6288170905bae7308cbb71_cryptolocker.exe
Resource
win10v2004-20240426-en
General
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Target
2024-06-02_4fbecda22b6288170905bae7308cbb71_cryptolocker
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Size
57KB
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MD5
4fbecda22b6288170905bae7308cbb71
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SHA1
7d898ce4572f8f31d9fb6031f246a9589e42d5ac
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SHA256
add7cd96083beee81c4abb5149f705e23d4b9c98f26636285924919c0f10ed3b
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SHA512
885f40cda97cfb3cd836c7a9f2db3172ba0d1fc038d7734afec59ad49b69bc0c6271ab45fc146e64715b2090983e0508419e42a9b75ebbac00aefe1ca8c57e40
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SSDEEP
768:bP9g/WItCSsAfFaeOcfXVr3BPOz5CFBmNuFgUjlgzF:bP9g/xtCS3Dxx0nF
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 2024-06-02_4fbecda22b6288170905bae7308cbb71_cryptolocker
Files
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2024-06-02_4fbecda22b6288170905bae7308cbb71_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: 17KB - Virtual size: 24KB
IMAGE_SCN_CNT_UNINITIALIZED_DATA
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
UPX1 Size: 12KB - Virtual size: 12KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
.rsrc Size: 9KB - 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