Behavioral task
behavioral1
Sample
2024-02-20_31100285b49dd5674aa4080e888d4e8e_cryptolocker.exe
Resource
win7-20231129-en
Behavioral task
behavioral2
Sample
2024-02-20_31100285b49dd5674aa4080e888d4e8e_cryptolocker.exe
Resource
win10v2004-20231215-en
General
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Target
2024-02-20_31100285b49dd5674aa4080e888d4e8e_cryptolocker
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Size
55KB
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MD5
31100285b49dd5674aa4080e888d4e8e
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SHA1
a26567258e850f6174c32a51e76e80e95a58d074
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SHA256
1f68b1ede4e44602602a85413f9d1fa72bec8866cd147577eb0890cfe29a7eb3
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SHA512
0a7ea0788b35476fc7430b5cf6b9f13e9abb0f9cdba2d8f270fe07d8a6a7af51429828079e1e90898aeedca5c6141d8433c054cc0eca02b98eaa8cfb14baff88
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SSDEEP
768:z6LsoEEeegiZPvEhHSG+gzum/kLyMro2GtOOtEvwDpj/YMLam5ax8L:z6QFElP6n+gKmddpMOtEvwDpj9aYai
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 2024-02-20_31100285b49dd5674aa4080e888d4e8e_cryptolocker
Files
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2024-02-20_31100285b49dd5674aa4080e888d4e8e_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