Behavioral task
behavioral1
Sample
2024-05-02_b5dda53e657b809f27bc261c12ad6e21_cryptolocker.exe
Resource
win7-20240221-en
Behavioral task
behavioral2
Sample
2024-05-02_b5dda53e657b809f27bc261c12ad6e21_cryptolocker.exe
Resource
win10v2004-20240419-en
General
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Target
2024-05-02_b5dda53e657b809f27bc261c12ad6e21_cryptolocker
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Size
81KB
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MD5
b5dda53e657b809f27bc261c12ad6e21
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SHA1
2b2f1ba4d487b9c4f159b25322abba296c3bb4be
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SHA256
5bcc8b96bf5ecc1d460a1fb5912ad71df2d6703703c3541fafb8c1b29065fb93
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SHA512
de08335c44e0b50014d4c874275eca43086299286de068f00064ce873b11064ef0d79659584e04dd1e129bf840210834cd99720a65588f5506566238a8f97e22
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SSDEEP
1536:zj+soPSMOtEvwDpj4ktBl01hJ0tq1ky7Q+:zCsanOtEvwDpjS
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 2024-05-02_b5dda53e657b809f27bc261c12ad6e21_cryptolocker
Files
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2024-05-02_b5dda53e657b809f27bc261c12ad6e21_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