Behavioral task
behavioral1
Sample
2024-03-26_dfa1e903dee9e210869a60ca70b2eaeb_cryptolocker.exe
Resource
win7-20231129-en
Behavioral task
behavioral2
Sample
2024-03-26_dfa1e903dee9e210869a60ca70b2eaeb_cryptolocker.exe
Resource
win10v2004-20231215-en
General
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Target
2024-03-26_dfa1e903dee9e210869a60ca70b2eaeb_cryptolocker
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Size
61KB
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MD5
dfa1e903dee9e210869a60ca70b2eaeb
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SHA1
5e0436c4c91900c7425da5da0e6716387ca7e228
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SHA256
4dc404f515009bb71a872b5af70b3216c61a004a8f381eeed9f2f1e858d39a82
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SHA512
4d3780d7a2766c122c63e1a8ca5bbe59f5ad32046e721d65a25b1d980ecb5705b009c0817d0d676d58bc9a46201737b29ca7d5d3b5af00fe299a9c3f85a8c6ee
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SSDEEP
768:T6LsoEEeegiZPvEhHSG+gkum/kLyMro2GtOOtEvwDpjhXMLamkc8J59l:T6QFElP6n+gxmddpMOtEvwDpjwa39l
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 2024-03-26_dfa1e903dee9e210869a60ca70b2eaeb_cryptolocker
Files
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2024-03-26_dfa1e903dee9e210869a60ca70b2eaeb_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