Behavioral task
behavioral1
Sample
2024-04-29_bcb5deefc8c2597288858f5a7c9671e3_cryptolocker.exe
Resource
win7-20240419-en
Behavioral task
behavioral2
Sample
2024-04-29_bcb5deefc8c2597288858f5a7c9671e3_cryptolocker.exe
Resource
win10v2004-20240419-en
General
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Target
2024-04-29_bcb5deefc8c2597288858f5a7c9671e3_cryptolocker
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Size
86KB
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MD5
bcb5deefc8c2597288858f5a7c9671e3
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SHA1
8139c8c84ed3314b94cfd68d40e119b05af1ff15
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SHA256
91b166f48ea4bb37631f23c44f2f7a88029cb9da8ae3756d1ab7ac6b47ebca1f
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SHA512
d90d7678dd7b9231db305bcf7412b72e32272faf5dd3dd2187a2de972bc2e95439814686b5bb33ab52fc7922a049e8bfb58f6c92b3c8bb6465b02d3e19ffc141
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SSDEEP
1536:T6QFElP6n+gxmddpMOtEvwDpjwaxTNUOT7vM5Ri:T6a+rdOOtEvwDpjNj
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 2024-04-29_bcb5deefc8c2597288858f5a7c9671e3_cryptolocker
Files
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2024-04-29_bcb5deefc8c2597288858f5a7c9671e3_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