Behavioral task
behavioral1
Sample
2024-06-12_83bf2da499e911d79e92a6eb9c2bfefd_cryptolocker.exe
Resource
win7-20240611-en
Behavioral task
behavioral2
Sample
2024-06-12_83bf2da499e911d79e92a6eb9c2bfefd_cryptolocker.exe
Resource
win10v2004-20240611-en
General
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Target
2024-06-12_83bf2da499e911d79e92a6eb9c2bfefd_cryptolocker
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Size
91KB
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MD5
83bf2da499e911d79e92a6eb9c2bfefd
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SHA1
b59045e65c0e5c2539f78ad7c87ff573c0b9ad84
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SHA256
0548cdebfef6fec9587b175950744c7f7d3730ab63c590c38af8e21996561f14
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SHA512
7270fa02c0d98d71f69f1e7b306ed7a72e4243c1e28200eaf98245ec16c0d9afbf9ee563096c4eb65e423b928f652c0eee0f7d30205511dbbb8aeb815a08aea6
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SSDEEP
1536:n6QFElP6n+g9u9cvMOtEvwDpjYYTjipvF2bx1PQAyJ:n6a+1SEOtEvwDpjYYvQd2Pw
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 2024-06-12_83bf2da499e911d79e92a6eb9c2bfefd_cryptolocker
Files
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2024-06-12_83bf2da499e911d79e92a6eb9c2bfefd_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: 11KB - 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