Static task
static1
Behavioral task
behavioral1
Sample
2024-02-28_b4b31b556b28786cf2124b59799129c9_cryptolocker.exe
Resource
win7-20240221-en
Behavioral task
behavioral2
Sample
2024-02-28_b4b31b556b28786cf2124b59799129c9_cryptolocker.exe
Resource
win10v2004-20240226-en
General
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Target
2024-02-28_b4b31b556b28786cf2124b59799129c9_cryptolocker
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Size
86KB
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MD5
b4b31b556b28786cf2124b59799129c9
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SHA1
eabc6ed4c1ca4969c88935917f66c11fb8b82fc3
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SHA256
c809129331593510657cfc60aed5504520e96cc590f8b3ad8e16d57bcea1f84e
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SHA512
979e6584f90ea402be22453eecc91bd98f835c13a41fe9132cc7fe63b5628c2807fc4de6e37e066dec4e5f5cb26e1735beab683ae71cb06af6810751dc329226
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SSDEEP
768:XS5nQJ24LR1bytOOtEvwDpjNbZ7uyA36S7MpxRXrZSUfFKazNclMjNUvxgnV:i5nkFGMOtEvwDpjNbwQEI8UtzNcO8yV
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 2024-02-28_b4b31b556b28786cf2124b59799129c9_cryptolocker
Files
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2024-02-28_b4b31b556b28786cf2124b59799129c9_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