Behavioral task
behavioral1
Sample
2024-03-05_a135a964c95dd7348433d012365d95a9_cryptolocker.exe
Resource
win7-20240221-en
Behavioral task
behavioral2
Sample
2024-03-05_a135a964c95dd7348433d012365d95a9_cryptolocker.exe
Resource
win10v2004-20240226-en
General
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Target
2024-03-05_a135a964c95dd7348433d012365d95a9_cryptolocker
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Size
109KB
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MD5
a135a964c95dd7348433d012365d95a9
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SHA1
0e2d5903b52f00179d0f9557ec06d419c4873498
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SHA256
045d0469c1723ad55fa8a473794df255bb5e27a722020de9ed1fad2627cf4a71
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SHA512
fdbe73075c4532184eac97231744e8254c9073317cb36a76a1bde9da723df55b54fdda47a79dc9a2b09add301d6eea6a55b425075e8ec1a5be7a00330f3da8f5
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SSDEEP
1536:z6QFElP6n+gKmddpMOtEvwDpj3GYQbN/PKwMg8G+:z6a+CdOOtEvwDpjczk
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 2024-03-05_a135a964c95dd7348433d012365d95a9_cryptolocker
Files
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2024-03-05_a135a964c95dd7348433d012365d95a9_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