Static task
static1
Behavioral task
behavioral1
Sample
2024-02-28_b4e13cea93a87cbc777b02e733cc9a8c_cryptolocker.exe
Resource
win7-20240221-en
Behavioral task
behavioral2
Sample
2024-02-28_b4e13cea93a87cbc777b02e733cc9a8c_cryptolocker.exe
Resource
win10v2004-20240226-en
General
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Target
2024-02-28_b4e13cea93a87cbc777b02e733cc9a8c_cryptolocker
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Size
40KB
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MD5
b4e13cea93a87cbc777b02e733cc9a8c
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SHA1
f73cd9b7e33ff0b36445b1d2dc68732d26a6d673
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SHA256
1822e988d86900b900ae0e89c12c1fc44750a19c6619a2f844fa683743c79edb
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SHA512
f38ec69880b22821ab000c6d6591edde952a3069f6fec3d2114ab18c479b3aaf8e60911e89744dea145077b63650b58a3c996a95833fcc9017ed6abeb719d5ce
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SSDEEP
768:TS5nQJ24LR7tOOtEvwDpjGqPhqlcnvgpnH8Z:m5nkFNMOtEvwDpjG8hgpH8Z
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_b4e13cea93a87cbc777b02e733cc9a8c_cryptolocker
Files
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2024-02-28_b4e13cea93a87cbc777b02e733cc9a8c_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