Behavioral task
behavioral1
Sample
2024-05-21_bcf2d458d0d2483308dd2fa41b85f7d9_cryptolocker.exe
Resource
win7-20240508-en
Behavioral task
behavioral2
Sample
2024-05-21_bcf2d458d0d2483308dd2fa41b85f7d9_cryptolocker.exe
Resource
win10v2004-20240226-en
General
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Target
2024-05-21_bcf2d458d0d2483308dd2fa41b85f7d9_cryptolocker
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Size
78KB
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MD5
bcf2d458d0d2483308dd2fa41b85f7d9
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SHA1
b0922b789b46e85273af13cf99d13634e8bda927
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SHA256
6f03fb649f9d43fd787547bcfb6561d7b6a3d68cbb540f762669be1e4a11a770
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SHA512
32ab7a3d9f5ac1a4ed7147de3c01a7f33d767eca222fbe1b11eada895099a19b99ab7c646fb2281a8fa29df9811130c24c810d5dc0ce6ef2c9c486329c9eb056
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SSDEEP
1536:T6QFElP6n+gxmddpMOtEvwDpjwaxTNUOAkXtBdJcRc:T6a+rdOOtEvwDpjNtp
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 2024-05-21_bcf2d458d0d2483308dd2fa41b85f7d9_cryptolocker
Files
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2024-05-21_bcf2d458d0d2483308dd2fa41b85f7d9_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