Behavioral task
behavioral1
Sample
2024-05-26_ffd7e9c36805b68071ea9e8db7c90cfd_cryptolocker.exe
Resource
win7-20240419-en
Behavioral task
behavioral2
Sample
2024-05-26_ffd7e9c36805b68071ea9e8db7c90cfd_cryptolocker.exe
Resource
win10v2004-20240426-en
General
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Target
2024-05-26_ffd7e9c36805b68071ea9e8db7c90cfd_cryptolocker
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Size
79KB
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MD5
ffd7e9c36805b68071ea9e8db7c90cfd
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SHA1
a88d66efde3020ea886ffab5be02485bfa1927f8
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SHA256
fb8500e0d77e3d78f690a6192fa833a716f4d5ca09578689e545030d3379bb55
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SHA512
379b0b79230bd15cee615c6a76893461fcf09aaa09f268f8fa89ad9cacadf27cb43721a0e3f7c5fb4ae1a0ddae1757061ebe4826d6de254741d5128565ada9cc
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SSDEEP
1536:T6QFElP6n+gxmddpMOtEvwDpjwaxTNUOA+YSafiPuqEo:T6a+rdOOtEvwDpjNcA
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 2024-05-26_ffd7e9c36805b68071ea9e8db7c90cfd_cryptolocker
Files
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2024-05-26_ffd7e9c36805b68071ea9e8db7c90cfd_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