Behavioral task
behavioral1
Sample
2024-03-28_d31a4cd1076cefcb90dda0dffd5e3fe4_cryptolocker.exe
Resource
win7-20240221-en
Behavioral task
behavioral2
Sample
2024-03-28_d31a4cd1076cefcb90dda0dffd5e3fe4_cryptolocker.exe
Resource
win10v2004-20240226-en
General
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Target
2024-03-28_d31a4cd1076cefcb90dda0dffd5e3fe4_cryptolocker
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Size
67KB
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MD5
d31a4cd1076cefcb90dda0dffd5e3fe4
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SHA1
2387aff1e88b003589799a45344da4524ab81b9c
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SHA256
7d7ffc7e4496397ebe3c43bcb5e53f7b5deb01b03ab67a7b7f63a888a4c71341
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SHA512
10871b0b9f85c3953960d73ef2d65561c706279602f32c2ee6425bfe87b173f642ab01f614ffd0d67e7c95c152ecafb0c3b8432417b3bbad8422ea1632ead69d
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SSDEEP
1536:T6QFElP6n+gxmddpMOtEvwDpjwaxTNUa1F5:T6a+rdOOtEvwDpjNZ
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 2024-03-28_d31a4cd1076cefcb90dda0dffd5e3fe4_cryptolocker
Files
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2024-03-28_d31a4cd1076cefcb90dda0dffd5e3fe4_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