Behavioral task
behavioral1
Sample
2024-04-09_3cf9a5b9c11e88e504cbeb005c5d4c07_cryptolocker.exe
Resource
win7-20240221-en
Behavioral task
behavioral2
Sample
2024-04-09_3cf9a5b9c11e88e504cbeb005c5d4c07_cryptolocker.exe
Resource
win10v2004-20240226-en
General
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Target
2024-04-09_3cf9a5b9c11e88e504cbeb005c5d4c07_cryptolocker
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Size
119KB
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MD5
3cf9a5b9c11e88e504cbeb005c5d4c07
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SHA1
b12d8baeb992f7fb953d82c637cd111ef3262277
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SHA256
325f203a5fb6d9fc7c97963b926495fcf93cacbf91b31db0fffde09bd817098c
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SHA512
e7b3c39f8dd9b5344ea09e3580b7c824c9c7fc822f712b0b176f99714514ba9b2454a0c7379222874f88caab594f42d250bd9308d1b139bfa084fdee0ec6541d
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SSDEEP
1536:z6QFElP6n+gKmddpMOtEvwDpj3GYQbN/PKwNgp01QatY:z6a+CdOOtEvwDpjczw
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 2024-04-09_3cf9a5b9c11e88e504cbeb005c5d4c07_cryptolocker
Files
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2024-04-09_3cf9a5b9c11e88e504cbeb005c5d4c07_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