Behavioral task
behavioral1
Sample
2024-03-18_fb3b189ec538c5c68df2b004a495c4e2_cryptolocker.exe
Resource
win7-20231129-en
Behavioral task
behavioral2
Sample
2024-03-18_fb3b189ec538c5c68df2b004a495c4e2_cryptolocker.exe
Resource
win10v2004-20240226-en
General
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Target
2024-03-18_fb3b189ec538c5c68df2b004a495c4e2_cryptolocker
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Size
64KB
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MD5
fb3b189ec538c5c68df2b004a495c4e2
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SHA1
7d7a33dbf13559776d80ad75d3733111c579744c
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SHA256
3c10b297ae55f4724e7c3015dad5a9e8efdef075017d0e9435fa4979c76d6a62
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SHA512
6bf90e11b8d8379a607d0ba982fc6ee2aa86429e49b56497e73005597b1980f9fbadeb90e74fd1e47bd7cd936db4d6be6fa8080f8093c3d58588bc6ae9702570
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SSDEEP
768:zQz7yVEhs9+syJP6ntOOtEvwDpjFelaB7yBEY9Su8F5mLZ5k5gM:zj+soPSMOtEvwDpj4kpmeLmQV
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 2024-03-18_fb3b189ec538c5c68df2b004a495c4e2_cryptolocker
Files
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2024-03-18_fb3b189ec538c5c68df2b004a495c4e2_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_CODE
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