Behavioral task
behavioral1
Sample
2024-01-29_b6455b9988ea0a4b9c291a60f42a3dcb_cryptolocker.exe
Resource
win7-20231215-en
Behavioral task
behavioral2
Sample
2024-01-29_b6455b9988ea0a4b9c291a60f42a3dcb_cryptolocker.exe
Resource
win10v2004-20231215-en
General
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Target
2024-01-29_b6455b9988ea0a4b9c291a60f42a3dcb_cryptolocker
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Size
115KB
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MD5
b6455b9988ea0a4b9c291a60f42a3dcb
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SHA1
95b6155a12fa34dde98ead64b7df7cf7ecddafc8
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SHA256
6e41e2e24593325a81aa40fbbe90111a5490829d8fbfd4c909556d4efab25505
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SHA512
7b223e8721854fe491b12651c6397c70fd2b5dbe491adab6d306308cf69b1b0d58d8fa2163e05e68bc0774445b845f5f0ee6625dd6cc3c6dabc2345fac287f8b
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SSDEEP
1536:z6QFElP6n+gKmddpMOtEvwDpj3GYQbN/PKwNgp01I:z6a+CdOOtEvwDpjczm
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 2024-01-29_b6455b9988ea0a4b9c291a60f42a3dcb_cryptolocker
Files
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2024-01-29_b6455b9988ea0a4b9c291a60f42a3dcb_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