Behavioral task
behavioral1
Sample
2024-05-04_2cf81e7c433cf7e92ce4d523ec8464e7_cryptolocker.exe
Resource
win7-20240221-en
Behavioral task
behavioral2
Sample
2024-05-04_2cf81e7c433cf7e92ce4d523ec8464e7_cryptolocker.exe
Resource
win10v2004-20240419-en
General
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Target
2024-05-04_2cf81e7c433cf7e92ce4d523ec8464e7_cryptolocker
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Size
52KB
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MD5
2cf81e7c433cf7e92ce4d523ec8464e7
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SHA1
0403e77396a3bffd4a6bcf48d434bc3a3f95fb78
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SHA256
9fc6457ad73c5373d7fc407882fd1f8a03e4897ccc2f6f33c63279526f77f5d1
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SHA512
35b1f25276ca6e318ddfa5c5bc3bf1c74ff5fc4f1045222c10ada41b7e6463ebe72d2dfc151a26f7d6ed3c95c54a0155725922d120dbafb196c128a1c0efbfd9
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SSDEEP
768:z6LsoEEeegiZPvEhHSG+gzum/kLyMro2GtOOtEvwDpj/YY1J+OTOk/r:z6QFElP6n+gKmddpMOtEvwDpj31ik/r
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 2024-05-04_2cf81e7c433cf7e92ce4d523ec8464e7_cryptolocker
Files
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2024-05-04_2cf81e7c433cf7e92ce4d523ec8464e7_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