Behavioral task
behavioral1
Sample
2024-04-26_fa88b8ac073382f664a2970d4c974bc2_cryptolocker.exe
Resource
win7-20231129-en
Behavioral task
behavioral2
Sample
2024-04-26_fa88b8ac073382f664a2970d4c974bc2_cryptolocker.exe
Resource
win10v2004-20240412-en
General
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Target
2024-04-26_fa88b8ac073382f664a2970d4c974bc2_cryptolocker
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Size
79KB
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MD5
fa88b8ac073382f664a2970d4c974bc2
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SHA1
b151e9514a3c0469f8b44d79877f6c248d57c767
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SHA256
7a3b974c05f7edb5b59dff7cfefd316b36035c39ac9f6d584a4e898800322978
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SHA512
fead45c379ceba8ce68bed4958034b87e8ea6af3ed82d79e8a21d2851a781b19c1d3a07e79d073fd1676181b76ba088e376fe2dc47865dea3fd52fdca3c7b296
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SSDEEP
1536:T6QFElP6n+gxmddpMOtEvwDpjwaxTNUOA+YSafiPuqEk:T6a+rdOOtEvwDpjNcM
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 2024-04-26_fa88b8ac073382f664a2970d4c974bc2_cryptolocker
Files
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2024-04-26_fa88b8ac073382f664a2970d4c974bc2_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