Behavioral task
behavioral1
Sample
2024-06-04_c81dc8aad418a6163e071b4f5e5fb3d0_cryptolocker.exe
Resource
win7-20240221-en
Behavioral task
behavioral2
Sample
2024-06-04_c81dc8aad418a6163e071b4f5e5fb3d0_cryptolocker.exe
Resource
win10v2004-20240508-en
General
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Target
2024-06-04_c81dc8aad418a6163e071b4f5e5fb3d0_cryptolocker
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Size
85KB
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MD5
c81dc8aad418a6163e071b4f5e5fb3d0
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SHA1
44c67f4482a0285a425faf2d9bf3eb0ecc4e7882
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SHA256
557bd18f0575e459cc46948ab6a988563d7cefea42ef37e481c39e0056e609f7
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SHA512
5d8a1042b9603d51886768bf280827d5a895ef7197dbfe843abf70b13618ea44ca3a8aee92f219b6dbe7d7be7e3810488b3726b75a87242db07ccd9410c14428
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SSDEEP
1536:zj+soPSMOtEvwDpj4ktBl01hJ0tq1kyJS1QT:zCsanOtEvwDpjc
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 2024-06-04_c81dc8aad418a6163e071b4f5e5fb3d0_cryptolocker
Files
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2024-06-04_c81dc8aad418a6163e071b4f5e5fb3d0_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