Behavioral task
behavioral1
Sample
2024-02-23_bc900f8554b4b867ecc81a088292949f_cryptolocker.exe
Resource
win7-20240221-en
Behavioral task
behavioral2
Sample
2024-02-23_bc900f8554b4b867ecc81a088292949f_cryptolocker.exe
Resource
win10v2004-20240221-en
General
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Target
2024-02-23_bc900f8554b4b867ecc81a088292949f_cryptolocker
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Size
98KB
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MD5
bc900f8554b4b867ecc81a088292949f
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SHA1
dbc5cc29dbe2f3dca4222bfd7081249b2a303727
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SHA256
4219ab786e97884e6b07766ca10b37623ff4b4a7a2a8dd67b0d736aec06f1f4b
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SHA512
92e57903b959f61a7c10765b424b48ee2fda50f89c159b47016e1bbc67c06010507b15bf2e17a53ab0f42d64475d2ead1f3178e4c8c7603e2493841e6ea99308
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SSDEEP
1536:z6QFElP6n+gKmddpMOtEvwDpj3GYQbbr/BKiQn:z6a+CdOOtEvwDpjcc
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 2024-02-23_bc900f8554b4b867ecc81a088292949f_cryptolocker
Files
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2024-02-23_bc900f8554b4b867ecc81a088292949f_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_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