Behavioral task
behavioral1
Sample
2024-05-04_fbca5a542082c4e1cd367c57b15bf2a0_cryptolocker.exe
Resource
win7-20240221-en
Behavioral task
behavioral2
Sample
2024-05-04_fbca5a542082c4e1cd367c57b15bf2a0_cryptolocker.exe
Resource
win10v2004-20240426-en
General
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Target
2024-05-04_fbca5a542082c4e1cd367c57b15bf2a0_cryptolocker
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Size
55KB
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MD5
fbca5a542082c4e1cd367c57b15bf2a0
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SHA1
2a179bdd737a47d5ddf4b6bc640fdb101436f552
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SHA256
270beb3a94c757b91d655caefed7c65145e9adf070479d424fe299e7f8e17270
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SHA512
7c6edea5603d75673adc05cc0a83f20207c69845cdcf588b5c07640eab7ab89a2e9a73a223e1b60c08274fa52ddfec47e77d7a0830cdd3a7303e531d689c0395
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SSDEEP
768:bP9g/WItCSsAfFaeOcfXVr3BPOz5CFBmNuFgUjNR:bP9g/xtCS3Dxx0u
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 2024-05-04_fbca5a542082c4e1cd367c57b15bf2a0_cryptolocker
Files
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2024-05-04_fbca5a542082c4e1cd367c57b15bf2a0_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