Behavioral task
behavioral1
Sample
2024-05-15_b3f7b9601701dffa8d871db1608cb0a2_cryptolocker.exe
Resource
win7-20231129-en
Behavioral task
behavioral2
Sample
2024-05-15_b3f7b9601701dffa8d871db1608cb0a2_cryptolocker.exe
Resource
win10v2004-20240426-en
General
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Target
2024-05-15_b3f7b9601701dffa8d871db1608cb0a2_cryptolocker
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Size
92KB
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MD5
b3f7b9601701dffa8d871db1608cb0a2
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SHA1
524d46408c507156a0c3189aaacb13d7ff3ca89c
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SHA256
76dc5de824f3d091ffb7892a85ac95f7e89dce702a1d5a426197c8c4dce824f8
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SHA512
ec67eafc337963c83761ff3c46af48fd6ca1d15a8e0569a2185e46c9d975250f5f9f36b3cefe737d1f4801e386fd8e9d92428c9f6e1d36f72894ba4f87efe2d2
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SSDEEP
1536:zj+soPSMOtEvwDpj4ktBl01hJl8QAPM8Ho6cRDjhWpR17:zCsanOtEvwDpj/x
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 2024-05-15_b3f7b9601701dffa8d871db1608cb0a2_cryptolocker
Files
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2024-05-15_b3f7b9601701dffa8d871db1608cb0a2_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