Behavioral task
behavioral1
Sample
2024-04-29_8d355fd3c1fbb9121ca5f0084e200e31_cryptolocker.exe
Resource
win7-20240221-en
Behavioral task
behavioral2
Sample
2024-04-29_8d355fd3c1fbb9121ca5f0084e200e31_cryptolocker.exe
Resource
win10v2004-20240419-en
General
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Target
2024-04-29_8d355fd3c1fbb9121ca5f0084e200e31_cryptolocker
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Size
96KB
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MD5
8d355fd3c1fbb9121ca5f0084e200e31
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SHA1
bd5c917d60156287e39756b17e2d3e62633301a3
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SHA256
e0b42d129ef1b23e7d294928553606922b92fda324e8d005592eb45d4ef97b3b
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SHA512
cb8712faae5c52d0d901918d1944d6805ddeb8f765fda03795b5648ccd024e9e511c72fc235208d0eb49b9358eb52abc97222c0dcd1065972f88691c8773c293
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SSDEEP
1536:zj+soPSMOtEvwDpj4ktBl01hJl8QAPM8Ho6cRDjgx/bv:zCsanOtEvwDpjBb
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 2024-04-29_8d355fd3c1fbb9121ca5f0084e200e31_cryptolocker
Files
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2024-04-29_8d355fd3c1fbb9121ca5f0084e200e31_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