Behavioral task
behavioral1
Sample
2024-02-22_8173c1967a546b101ab09f06b4b968ce_cryptolocker.exe
Resource
win7-20240221-en
Behavioral task
behavioral2
Sample
2024-02-22_8173c1967a546b101ab09f06b4b968ce_cryptolocker.exe
Resource
win10v2004-20240221-en
General
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Target
2024-02-22_8173c1967a546b101ab09f06b4b968ce_cryptolocker
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Size
116KB
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MD5
8173c1967a546b101ab09f06b4b968ce
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SHA1
4fcc02d62d1c80d424ea9ed8f464caf110c85b74
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SHA256
34c322bffeee2c7ba2865321939c9dacf2620ab53960256fca5c097772fba119
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SHA512
8f72d9ccb53940143c6743dc06e65a6c24c69c02be4ddb7962d2d60ef735a361d908bdbd314ad53502ec31861eeb186fef1c2960802adce65922fc35bd82755b
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SSDEEP
1536:z6QFElP6n+gKmddpMOtEvwDpj3GYQbN/PKwNgp01G:z6a+CdOOtEvwDpjczI
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 2024-02-22_8173c1967a546b101ab09f06b4b968ce_cryptolocker
Files
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2024-02-22_8173c1967a546b101ab09f06b4b968ce_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