Static task
static1
Behavioral task
behavioral1
Sample
2024-05-04_a1fa80b3e9f6d4a6675eafdb1d8f4e91_cryptolocker.exe
Resource
win7-20240221-en
Behavioral task
behavioral2
Sample
2024-05-04_a1fa80b3e9f6d4a6675eafdb1d8f4e91_cryptolocker.exe
Resource
win10v2004-20240419-en
General
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Target
2024-05-04_a1fa80b3e9f6d4a6675eafdb1d8f4e91_cryptolocker
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Size
86KB
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MD5
a1fa80b3e9f6d4a6675eafdb1d8f4e91
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SHA1
49a25313ae8c4622e3d2b65341cd6f7e57caed5f
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SHA256
66a97222141a398b4d183bcb1f9218a90418e8be5691bced791d9c88d94d0db6
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SHA512
fa5f44c63e122eec16874fd18a0fe28447f8a2955b44f25bb77e99bace6d06861e1bff3519b7a17cacbae05b401ef6c5f25a3e130264065e6579f45fc3055558
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SSDEEP
768:XS5nQJ24LR1bytOOtEvwDpjNbZ7uyA36S7MpxRXrZSUfFKazNclMjNUvxpR8r:i5nkFGMOtEvwDpjNbwQEI8UtzNcO8+r
Malware Config
Signatures
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Detection of CryptoLocker Variants 1 IoCs
resource yara_rule sample CryptoLocker_rule2 -
Detects executables built or packed with MPress PE compressor 1 IoCs
resource yara_rule sample INDICATOR_EXE_Packed_MPress -
Unsigned PE 1 IoCs
Checks for missing Authenticode signature.
resource 2024-05-04_a1fa80b3e9f6d4a6675eafdb1d8f4e91_cryptolocker
Files
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2024-05-04_a1fa80b3e9f6d4a6675eafdb1d8f4e91_cryptolocker.exe windows:5 windows x86 arch:x86
e021c9fc2c12265365fad587d43783fe
Headers
File Characteristics
IMAGE_FILE_EXECUTABLE_IMAGE
IMAGE_FILE_LINE_NUMS_STRIPPED
IMAGE_FILE_LOCAL_SYMS_STRIPPED
IMAGE_FILE_32BIT_MACHINE
IMAGE_FILE_DEBUG_STRIPPED
Imports
kernel32
GetModuleHandleA
GetProcAddress
user32
EndPaint
gdi32
CreateFontIndirectA
Sections
.MPRESS1 Size: 10KB - Virtual size: 36KB
IMAGE_SCN_CNT_CODE
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_CNT_UNINITIALIZED_DATA
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
.MPRESS2 Size: 1024B - Virtual size: 910B
IMAGE_SCN_CNT_CODE
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_CNT_UNINITIALIZED_DATA
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
.rsrc Size: 13KB - Virtual size: 12KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE