Behavioral task
behavioral1
Sample
2024-03-19_a8b6eb0060b6bd46ae4be3a0a8f573ca_cryptolocker.exe
Resource
win7-20240221-en
Behavioral task
behavioral2
Sample
2024-03-19_a8b6eb0060b6bd46ae4be3a0a8f573ca_cryptolocker.exe
Resource
win10v2004-20240226-en
General
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Target
2024-03-19_a8b6eb0060b6bd46ae4be3a0a8f573ca_cryptolocker
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Size
58KB
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MD5
a8b6eb0060b6bd46ae4be3a0a8f573ca
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SHA1
8d00fd8775937ee5f813f130d505049fb70f4cc6
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SHA256
457d171506b30673d13cf13a3961783335ac7e3171b77fbf1d6c689986b7a0d1
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SHA512
1b91bf557ce63bb9caf4b560443d1f6514ed527c4a7a95d83d27e26063035a8e960a25cfb8c18cfb35d01a55e02a93c5f33e6d95ffb1a7e02f011deea33667e6
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SSDEEP
768:z6LsoEEeegiZPvEhHSG+gzum/kLyMro2GtOOtEvwDpj/YMLam5appuA:z6QFElP6n+gKmddpMOtEvwDpj9aYaT
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 2024-03-19_a8b6eb0060b6bd46ae4be3a0a8f573ca_cryptolocker
Files
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2024-03-19_a8b6eb0060b6bd46ae4be3a0a8f573ca_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