Behavioral task
behavioral1
Sample
2024-01-23_23e759bb702e707fec1d503164fcddfc_cryptolocker.exe
Resource
win7-20231215-en
Behavioral task
behavioral2
Sample
2024-01-23_23e759bb702e707fec1d503164fcddfc_cryptolocker.exe
Resource
win10v2004-20231215-en
General
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Target
2024-01-23_23e759bb702e707fec1d503164fcddfc_cryptolocker
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Size
64KB
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MD5
23e759bb702e707fec1d503164fcddfc
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SHA1
1f8edd53544cf9662d82f7902bf09e7dad473bf2
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SHA256
599781237cec1bda625608eb92a8be009a80b4cabed5e14e9e829a32b66963b9
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SHA512
f3e65b2ba20dded034b6d87b235be13d6bd162b65fa6ba60d2d4fb52db692d822e780ef4b8e00a1d51a26da4156be387fe88b8eb83e4390361e31a6b84095226
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SSDEEP
768:T6LsoEEeegiZPvEhHSG+gXUum/kLyMro2GtOOtEvwDpjh:T6QFElP6n+gXhmddpMOtEvwDpj
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 2024-01-23_23e759bb702e707fec1d503164fcddfc_cryptolocker
Files
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2024-01-23_23e759bb702e707fec1d503164fcddfc_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