Behavioral task
behavioral1
Sample
2024-05-23_3f9f7d995078ccfb78e7cd6dfad437ef_cryptolocker.exe
Resource
win7-20240419-en
Behavioral task
behavioral2
Sample
2024-05-23_3f9f7d995078ccfb78e7cd6dfad437ef_cryptolocker.exe
Resource
win10v2004-20240508-en
General
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Target
2024-05-23_3f9f7d995078ccfb78e7cd6dfad437ef_cryptolocker
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Size
53KB
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MD5
3f9f7d995078ccfb78e7cd6dfad437ef
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SHA1
3cd1efe25972aa7a429d19a08ff0f5942114b101
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SHA256
7f0ffac993d7a2eb52da6a5a536d9cc23d0a7ff349f032ebd72399e424a467b4
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SHA512
0ef59fd36fced4a4d142c1fb46c16e99265819d4ab62f44af987f365f4c8a3e0bcc3f394d92c4686407924ed3425298f31f6ca22525794791d57a8566606f52a
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SSDEEP
768:z6LsoEEeegiZPvEhHSG+gzum/kLyMro2GtOOtEvwDpj/YY1J+OTOO:z6QFElP6n+gKmddpMOtEvwDpj31iO
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 2024-05-23_3f9f7d995078ccfb78e7cd6dfad437ef_cryptolocker
Files
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2024-05-23_3f9f7d995078ccfb78e7cd6dfad437ef_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