Behavioral task
behavioral1
Sample
2024-04-22_f9f7c90827401a48046fc4a31f5e48e8_cryptolocker.exe
Resource
win7-20240221-en
Behavioral task
behavioral2
Sample
2024-04-22_f9f7c90827401a48046fc4a31f5e48e8_cryptolocker.exe
Resource
win10v2004-20240412-en
General
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Target
2024-04-22_f9f7c90827401a48046fc4a31f5e48e8_cryptolocker
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Size
51KB
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MD5
f9f7c90827401a48046fc4a31f5e48e8
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SHA1
1f3b630955afd8ab1e07674c3804d375c7bac6b3
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SHA256
c479e71a7c5076fcc5c8d38b7c35d5223fc88fb1124609e188a06a41730821cc
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SHA512
acebe2d77deb51178384e82fad09b7b3e15a9718764b114831f59933f987242cfc70bdb52b065afec9bbc6c95ff87bf4b1aa230f7c3c300d66db5a432a8d83a7
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SSDEEP
768:z6LsoEEeegiZPvEhHSG+gzum/kLyMro2GtOOtEvwDpj/YY1J+OTOf:z6QFElP6n+gKmddpMOtEvwDpj31if
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 2024-04-22_f9f7c90827401a48046fc4a31f5e48e8_cryptolocker
Files
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2024-04-22_f9f7c90827401a48046fc4a31f5e48e8_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