Behavioral task
behavioral1
Sample
2024-04-27_813eb37781d1a67f0fee64cae6242f96_cryptolocker.exe
Resource
win7-20240221-en
Behavioral task
behavioral2
Sample
2024-04-27_813eb37781d1a67f0fee64cae6242f96_cryptolocker.exe
Resource
win10v2004-20240419-en
General
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Target
2024-04-27_813eb37781d1a67f0fee64cae6242f96_cryptolocker
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Size
54KB
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MD5
813eb37781d1a67f0fee64cae6242f96
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SHA1
257fbc7d14ebbb49444286c6f5a1b72772c2460a
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SHA256
f2fb2f853240a5c7f97220d75c909a4080fae433e401f93f831608c854009836
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SHA512
2a527f07da385311dc99ed38567c31966d87b886d33e7e3bd17b825fe60f9605575e342a7ac6cca276de6fa2dcdf1b79b01660c9e26c4882a586988c8b76a5f2
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SSDEEP
768:bP9g/WItCSsAfFaeOcfXVr3BPOz5CFBmNuFgCu:bP9g/xtCS3Dxx0Qu
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 2024-04-27_813eb37781d1a67f0fee64cae6242f96_cryptolocker
Files
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2024-04-27_813eb37781d1a67f0fee64cae6242f96_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