Behavioral task
behavioral1
Sample
2024-05-16_20191123a5cc5d90d5ec356fc2bfb576_cryptolocker.exe
Resource
win7-20240508-en
Behavioral task
behavioral2
Sample
2024-05-16_20191123a5cc5d90d5ec356fc2bfb576_cryptolocker.exe
Resource
win10v2004-20240426-en
General
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Target
2024-05-16_20191123a5cc5d90d5ec356fc2bfb576_cryptolocker
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Size
81KB
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MD5
20191123a5cc5d90d5ec356fc2bfb576
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SHA1
ac91be4280c6961fac57eb9fa0d9863536dedd0a
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SHA256
02d178f41502311fc99cf00ed19a12eef54a943e22a471d372d40260932878a7
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SHA512
1e09782f1fff183f77bf31c9ebc53b3f918441586b03b7ee4817d78a9fc0a3e306b609ead3ce9cde20efc1f71c13f71918400096476c825cf5a67a11a8064baa
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SSDEEP
1536:zj+soPSMOtEvwDpj4ktBl01hJ0tq1ky7Qs6:zCsanOtEvwDpjZ
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 2024-05-16_20191123a5cc5d90d5ec356fc2bfb576_cryptolocker
Files
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2024-05-16_20191123a5cc5d90d5ec356fc2bfb576_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