Static task
static1
Behavioral task
behavioral1
Sample
2024-05-23_81b635ea5c057ba4cc5e161f0445d774_cryptolocker.exe
Resource
win7-20231129-en
Behavioral task
behavioral2
Sample
2024-05-23_81b635ea5c057ba4cc5e161f0445d774_cryptolocker.exe
Resource
win10v2004-20240508-en
General
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Target
2024-05-23_81b635ea5c057ba4cc5e161f0445d774_cryptolocker
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Size
45KB
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MD5
81b635ea5c057ba4cc5e161f0445d774
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SHA1
be6a5b915b8d2886ba28f12a889e3064f6d87632
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SHA256
90385c5e0dee066e86d56faa962da8c4aa0f21ea0c744ba908199365ff48db0d
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SHA512
ade4fde6ca04fcfec417aad957b33d2adbac938d4aafcc8f7b1c386385a8cecf7f83819c6b5859977018396ee31caf72340b4baa8bed3de16ed14ac235ddfd8d
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SSDEEP
768:TS5nQJ24LR7tOOtEvwDpjGqPhqlcnvhx5/xFRp5jl5:m5nkFNMOtEvwDpjG8hhXj5H
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 2024-05-23_81b635ea5c057ba4cc5e161f0445d774_cryptolocker
Files
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2024-05-23_81b635ea5c057ba4cc5e161f0445d774_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: 11KB - Virtual size: 10KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE