Behavioral task
behavioral1
Sample
2024-01-18_1a19869cdf71d1545a8c1898cf77fd5b_cryptolocker.exe
Resource
win7-20231215-en
Behavioral task
behavioral2
Sample
2024-01-18_1a19869cdf71d1545a8c1898cf77fd5b_cryptolocker.exe
Resource
win10v2004-20231215-en
General
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Target
2024-01-18_1a19869cdf71d1545a8c1898cf77fd5b_cryptolocker
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Size
86KB
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MD5
1a19869cdf71d1545a8c1898cf77fd5b
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SHA1
385d8db39c266c9674bad1e070e83c5e7a2d7d38
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SHA256
aacc3b25873803eb242de72074bc7eb121e150ee2285e79bf2116239be65e579
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SHA512
958512b72405e3732fe322ee09a26bbf9efcb1f362de0d8075d8bef381426b93c25c07c3d0b6c0735958f8003efb2506db21f2411f19f9c99f8fb70f916f2a5d
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SSDEEP
1536:zj+soPSMOtEvwDpj4ktBl01hJl8QAPM8Ho6cRMy8A:zCsanOtEvwDpjE
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 2024-01-18_1a19869cdf71d1545a8c1898cf77fd5b_cryptolocker
Files
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2024-01-18_1a19869cdf71d1545a8c1898cf77fd5b_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