Static task
static1
Behavioral task
behavioral1
Sample
2024-02-21_8356c44f7a0bf8e4fb4eddbef48a9521_cryptolocker.exe
Resource
win7-20240220-en
Behavioral task
behavioral2
Sample
2024-02-21_8356c44f7a0bf8e4fb4eddbef48a9521_cryptolocker.exe
Resource
win10v2004-20231215-en
General
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Target
2024-02-21_8356c44f7a0bf8e4fb4eddbef48a9521_cryptolocker
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Size
85KB
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MD5
8356c44f7a0bf8e4fb4eddbef48a9521
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SHA1
f1468cc1d0200956e07b2258a6a7f1cf9b7970eb
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SHA256
691b79adf871a2f0b000b413864becf4790895161eadbad6a6def785173d0538
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SHA512
6c3ed96bcdc1f826ba5bad6b1531eb4541401f0d94b0aad05fcdfba0934777b1afe5edcd949b45f2ece20df3edea1a7e6e1579a23c432c6f2fa31d467b354b4e
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SSDEEP
768:XS5nQJ24LR1bytOOtEvwDpjNbZ7uyA36S7MpxRXrZSUfFKazNclMjNUvxpRZl:i5nkFGMOtEvwDpjNbwQEI8UtzNcO8l
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 2024-02-21_8356c44f7a0bf8e4fb4eddbef48a9521_cryptolocker
Files
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2024-02-21_8356c44f7a0bf8e4fb4eddbef48a9521_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