Behavioral task
behavioral1
Sample
2024-01-25_e4fb7d03a4dcc28461511bcd240557fd_cryptolocker.exe
Resource
win7-20231215-en
Behavioral task
behavioral2
Sample
2024-01-25_e4fb7d03a4dcc28461511bcd240557fd_cryptolocker.exe
Resource
win10v2004-20231222-en
General
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Target
2024-01-25_e4fb7d03a4dcc28461511bcd240557fd_cryptolocker
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Size
81KB
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MD5
e4fb7d03a4dcc28461511bcd240557fd
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SHA1
0c6a2c162e8872eab2bbf947978142912c1a2b8a
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SHA256
5cd0f20dd2bc1396a8698a26359f40b0d91cfb2d42a5fbb021eb09258ca0ea75
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SHA512
5cb12793ed377e03c2e014c3896d0f615943ee30d5fb6b9da1e9d4b55af8de579d124dbd2812fbfe6e0fcae4144018e53f961465e90b0c2d7fe14d076864638d
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SSDEEP
1536:T6QFElP6n+gxmddpMOtEvwDpjwaxTNUOT7vk:T6a+rdOOtEvwDpjNA
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 2024-01-25_e4fb7d03a4dcc28461511bcd240557fd_cryptolocker
Files
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2024-01-25_e4fb7d03a4dcc28461511bcd240557fd_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