Behavioral task
behavioral1
Sample
2024-01-26_ef67244c70df2280180f05902c7ecc2f_cryptolocker.exe
Resource
win7-20231129-en
Behavioral task
behavioral2
Sample
2024-01-26_ef67244c70df2280180f05902c7ecc2f_cryptolocker.exe
Resource
win10v2004-20231222-en
General
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Target
2024-01-26_ef67244c70df2280180f05902c7ecc2f_cryptolocker
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Size
64KB
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MD5
ef67244c70df2280180f05902c7ecc2f
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SHA1
21ed8c536f78201928d4affe779ddd14a9dbd70f
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SHA256
0d6ac8bc8e654fa7e82c5178ef8c35039ee1128d4b3116440467919b070f502b
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SHA512
2b7842383415eb0ab959ae74d86a24ff8a7964b3daac955ac9bc83a16079ffd7073db9f341ac9ac4057a5b9289d0b418d57b99514b9c5bfb6a7bc94872fa8935
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SSDEEP
384:z0VkMq01bJ3wtEwPS8HLEh+Jagz+3be+26JWFFchYkW0NrD5v6ntOOtEvwDpjqIH:zQz7yVEhs9+82JP6ntOOtEvwDpjF
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 2024-01-26_ef67244c70df2280180f05902c7ecc2f_cryptolocker
Files
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2024-01-26_ef67244c70df2280180f05902c7ecc2f_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