Static task
static1
Behavioral task
behavioral1
Sample
2024-04-06_f2c23d4e8bd9a3fa4da527c9db45152f_cryptolocker.exe
Resource
win7-20240221-en
Behavioral task
behavioral2
Sample
2024-04-06_f2c23d4e8bd9a3fa4da527c9db45152f_cryptolocker.exe
Resource
win10v2004-20240226-en
General
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Target
2024-04-06_f2c23d4e8bd9a3fa4da527c9db45152f_cryptolocker
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Size
87KB
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MD5
f2c23d4e8bd9a3fa4da527c9db45152f
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SHA1
22e0bc611433d16ed97f5eeed9a97059f9018c75
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SHA256
37f94f40a98ef9b58ceab9daa761a7efe37f4154a2d2c754eefba864743809f1
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SHA512
1ae2e761ad846c5086a66fd4cc6eb71c14ee9b4b8a223e38bf13e87b9d73139e61c19e46ca92a1fa0821a060dabd761f8453b418e534a48127a836533ea6a025
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SSDEEP
768:XS5nQJ24LR1bytOOtEvwDpjNbZ7uyA36S7MpxRXrZSUfFKazNclMjNUvx5/HbAG:i5nkFGMOtEvwDpjNbwQEI8UtzNcO8bAG
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 2024-04-06_f2c23d4e8bd9a3fa4da527c9db45152f_cryptolocker
Files
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2024-04-06_f2c23d4e8bd9a3fa4da527c9db45152f_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