Behavioral task
behavioral1
Sample
2024-02-23_da8e48fc11b71a852deb5f7570204a20_cryptolocker.exe
Resource
win7-20240221-en
Behavioral task
behavioral2
Sample
2024-02-23_da8e48fc11b71a852deb5f7570204a20_cryptolocker.exe
Resource
win10v2004-20240221-en
General
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Target
2024-02-23_da8e48fc11b71a852deb5f7570204a20_cryptolocker
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Size
67KB
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MD5
da8e48fc11b71a852deb5f7570204a20
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SHA1
99dfbef0363fa2432cdee0914d0f64540b335d91
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SHA256
e7d11402b39e778c4e61a9fc26e4f17b68717f7e9aa51bf0970a4405b8ec7f8c
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SHA512
d68adacd9d1536116dfe9c7e47804be6c54092af715f43e50f6e6743b52f965b7acdd231f6887ced28a92b736d7d52cbd8a6ef10403b49612bd8e0c20469f5da
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SSDEEP
1536:z6QFElP6n+gKmddpMOtEvwDpj9aYaFAeBa:z6a+CdOOtEvwDpjQ8
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 2024-02-23_da8e48fc11b71a852deb5f7570204a20_cryptolocker
Files
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2024-02-23_da8e48fc11b71a852deb5f7570204a20_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