Behavioral task
behavioral1
Sample
2024-02-22_a5c5f7ec41f1a0f03488a86b0b22fe57_cryptolocker.exe
Resource
win7-20240215-en
Behavioral task
behavioral2
Sample
2024-02-22_a5c5f7ec41f1a0f03488a86b0b22fe57_cryptolocker.exe
Resource
win10v2004-20240221-en
General
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Target
2024-02-22_a5c5f7ec41f1a0f03488a86b0b22fe57_cryptolocker
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Size
61KB
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MD5
a5c5f7ec41f1a0f03488a86b0b22fe57
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SHA1
0231180575c2db576e69669fd8fc7bdb06a7c43e
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SHA256
5052f42a87f419df1ad8816e1790a93ecd56345d51ccb5bbf4831909be8d9248
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SHA512
15f45bda66ed01adfa8e135055c1aa89b64e5588feacf1f105c6eca8197f88e5d0cbce87da13c18f6f418a50f7b96fd316faf3c7c5f50b777e523f72f03a9d70
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SSDEEP
768:zQz7yVEhs9+syJP6ntOOtEvwDpjFelaB7yBEY9Su8F5mnVuf:zj+soPSMOtEvwDpj4kpmeLmncf
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 2024-02-22_a5c5f7ec41f1a0f03488a86b0b22fe57_cryptolocker
Files
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2024-02-22_a5c5f7ec41f1a0f03488a86b0b22fe57_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