Behavioral task
behavioral1
Sample
2024-06-01_3a037f1b6f17c45b97b0c32e15a2e85a_cryptolocker.exe
Resource
win7-20240508-en
Behavioral task
behavioral2
Sample
2024-06-01_3a037f1b6f17c45b97b0c32e15a2e85a_cryptolocker.exe
Resource
win10v2004-20240426-en
General
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Target
2024-06-01_3a037f1b6f17c45b97b0c32e15a2e85a_cryptolocker
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Size
78KB
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MD5
3a037f1b6f17c45b97b0c32e15a2e85a
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SHA1
022f60f0ded8dd29d43bfddc58a1f411454ce899
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SHA256
20f1b306b3b788836deca16d730733baa4895e27c4b91b1466a126a217b3ae57
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SHA512
8223aba9c2ce798f73382a8d53365546e2a6d0b527b34e19b0af53197fc0af13b71c36bbb823096249ffe870d769721ae0a610eb2dba4eb4bf0869db75d205d6
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SSDEEP
1536:T6QFElP6n+gxmddpMOtEvwDpjwaxTNUOAkXtBdxPUxnI:T6a+rdOOtEvwDpjNtHPn
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 2024-06-01_3a037f1b6f17c45b97b0c32e15a2e85a_cryptolocker
Files
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2024-06-01_3a037f1b6f17c45b97b0c32e15a2e85a_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