Behavioral task
behavioral1
Sample
2024-05-09_7952d6e55e55c1042b2ed18c7e7b35b3_cryptolocker.exe
Resource
win7-20240221-en
Behavioral task
behavioral2
Sample
2024-05-09_7952d6e55e55c1042b2ed18c7e7b35b3_cryptolocker.exe
Resource
win10v2004-20240508-en
General
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Target
2024-05-09_7952d6e55e55c1042b2ed18c7e7b35b3_cryptolocker
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Size
55KB
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MD5
7952d6e55e55c1042b2ed18c7e7b35b3
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SHA1
f5534885a2baa7e43439eef23460cb3f21140acb
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SHA256
b7e3dec4fa858de56595721e59f79bf06ef029da2a70b9ec1b1db9b3aac00248
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SHA512
1e11d3624734a13a21e42f7b952d55683e7be003e3e7cb78055bd8230e85aed9a0fcceaac44be978df1d1f8c021dc574124c8801daa19182db16192c29b99cd2
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SSDEEP
768:bP9g/WItCSsAfFaeOcfXVr3BPOz5CFBmNuFgC5s:bP9g/xtCS3Dxx0Q5s
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 2024-05-09_7952d6e55e55c1042b2ed18c7e7b35b3_cryptolocker
Files
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2024-05-09_7952d6e55e55c1042b2ed18c7e7b35b3_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