Behavioral task
behavioral1
Sample
2024-04-10_856f51002c81eb7d92b85fe21307aef3_cryptolocker.exe
Resource
win7-20240319-en
Behavioral task
behavioral2
Sample
2024-04-10_856f51002c81eb7d92b85fe21307aef3_cryptolocker.exe
Resource
win10v2004-20240226-en
General
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Target
2024-04-10_856f51002c81eb7d92b85fe21307aef3_cryptolocker
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Size
59KB
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MD5
856f51002c81eb7d92b85fe21307aef3
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SHA1
e2bcca3cecd063ca55a4ed2f2528684bab8b17f3
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SHA256
795dce2bc61c078ab5b5423bf38bfdf0de4105d1301480e880d980cb44148259
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SHA512
fae17fd3a78f1585432c9d114b399e054fbec12455cf78d716f87dbb0a01cd82a7121547382cc2d22f4f6d3ff83f8e845f16bcc5db3a8626ed50ce83d2af65bf
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SSDEEP
768:z6LsoEEeegiZPvEhHSG+gzum/kLyMro2GtOOtEvwDpj/YMLam5appum:z6QFElP6n+gKmddpMOtEvwDpj9aYa5
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 2024-04-10_856f51002c81eb7d92b85fe21307aef3_cryptolocker
Files
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2024-04-10_856f51002c81eb7d92b85fe21307aef3_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