Behavioral task
behavioral1
Sample
2024-05-26_d31f1ab5f2d7ccd9b42494d5ace4f7e2_cryptolocker.exe
Resource
win7-20240221-en
Behavioral task
behavioral2
Sample
2024-05-26_d31f1ab5f2d7ccd9b42494d5ace4f7e2_cryptolocker.exe
Resource
win10v2004-20240426-en
General
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Target
2024-05-26_d31f1ab5f2d7ccd9b42494d5ace4f7e2_cryptolocker
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Size
84KB
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MD5
d31f1ab5f2d7ccd9b42494d5ace4f7e2
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SHA1
b6cc5c547c717b49cbcc92e630ac3a6b270ed4b2
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SHA256
75a5e413d39c2aa18e9e5799ce7ec2efe9ecd66ce5fb8f14799b7a6595479d00
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SHA512
d9a9bb33f1513908b5f2e7c267eb89437281fb99fa1b8c605dfd69428899cea6a9deeab283f5316671f648125d00299146ef4dcb322aed86f7736b2e2b2b3e4f
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SSDEEP
1536:zj+soPSMOtEvwDpj4ktBl01hJ0tq1kyJS1iX:zCsanOtEvwDpjMX
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 2024-05-26_d31f1ab5f2d7ccd9b42494d5ace4f7e2_cryptolocker
Files
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2024-05-26_d31f1ab5f2d7ccd9b42494d5ace4f7e2_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