Behavioral task
behavioral1
Sample
2024-01-29_821e650207c4b2db4f9448d062c3871d_cryptolocker.exe
Resource
win7-20231129-en
Behavioral task
behavioral2
Sample
2024-01-29_821e650207c4b2db4f9448d062c3871d_cryptolocker.exe
Resource
win10v2004-20231215-en
General
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Target
2024-01-29_821e650207c4b2db4f9448d062c3871d_cryptolocker
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Size
73KB
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MD5
821e650207c4b2db4f9448d062c3871d
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SHA1
0678a65ca56b202b7f096af72ef039b31ab2589e
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SHA256
33448d1ec20d638ce0092b56b689d5d7d7e5d9632814477ef7c103267e39d31b
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SHA512
1723ba7889d73bff640d33f08ebba6e06a0de84ebd4d3f3acb6efa4216274dd59e1c2cde6211608a24abda6cbcfe2f94b6c2351fd701bda5a479800bb76ae9fc
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SSDEEP
1536:T6QFElP6n+gxmddpMOtEvwDpjwaxTNUOAkXtBdxPUxR:T6a+rdOOtEvwDpjNtHPK
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 2024-01-29_821e650207c4b2db4f9448d062c3871d_cryptolocker
Files
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2024-01-29_821e650207c4b2db4f9448d062c3871d_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