Behavioral task
behavioral1
Sample
2024-05-28_b91b4369798749f0ce465acd7dba722d_cryptolocker.exe
Resource
win7-20240221-en
Behavioral task
behavioral2
Sample
2024-05-28_b91b4369798749f0ce465acd7dba722d_cryptolocker.exe
Resource
win10v2004-20240426-en
General
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Target
2024-05-28_b91b4369798749f0ce465acd7dba722d_cryptolocker
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Size
78KB
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MD5
b91b4369798749f0ce465acd7dba722d
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SHA1
11fe10547fa3a907b1e1f0ecf8ca7fc941bdbadc
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SHA256
0673f2aa4480f6f926003f1c9ab5546639a7ce63e8ae1af33f0a537feff24481
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SHA512
1e8206ff6d56d23d7c3cca61fb9879347657f07a8c6973fcfeb2b71604727bd5b274cc8b851270b434a756d31360a987f0de3bd6b88eb92be6ddbe7348a5ac74
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SSDEEP
1536:T6QFElP6n+gxmddpMOtEvwDpjwaxTNUOAkXtBdxPUxn6:T6a+rdOOtEvwDpjNtHP5
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 2024-05-28_b91b4369798749f0ce465acd7dba722d_cryptolocker
Files
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2024-05-28_b91b4369798749f0ce465acd7dba722d_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