Behavioral task
behavioral1
Sample
2024-01-27_cef385b75a2eb489efc474b08a0ee799_cryptolocker.exe
Resource
win7-20231215-en
Behavioral task
behavioral2
Sample
2024-01-27_cef385b75a2eb489efc474b08a0ee799_cryptolocker.exe
Resource
win10v2004-20231215-en
General
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Target
2024-01-27_cef385b75a2eb489efc474b08a0ee799_cryptolocker
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Size
108KB
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MD5
cef385b75a2eb489efc474b08a0ee799
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SHA1
f75a457796a350e292b548cb5c8e9e361e9bada2
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SHA256
5ee00381e7ceebdcec11f8195e9ccfb808e985aac23dbf6732e11513f7712bf7
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SHA512
e278c226d05f4663a4fb22383a2305ea4a87facdf465f69a629d9f58e32cc01956ef2252236f88dd230aadc35a1176a00a6d143ba494c2d77462ac7a5fcaaca0
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SSDEEP
1536:z6QFElP6n+gKmddpMOtEvwDpj3GYQbN/PKwMg66:z6a+CdOOtEvwDpjczF
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 2024-01-27_cef385b75a2eb489efc474b08a0ee799_cryptolocker
Files
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2024-01-27_cef385b75a2eb489efc474b08a0ee799_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_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