Static task
static1
Behavioral task
behavioral1
Sample
2024-03-15_347830a37bfa294327a5264c3e0f98d5_cryptolocker.exe
Resource
win7-20231129-en
Behavioral task
behavioral2
Sample
2024-03-15_347830a37bfa294327a5264c3e0f98d5_cryptolocker.exe
Resource
win10v2004-20240226-en
General
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Target
2024-03-15_347830a37bfa294327a5264c3e0f98d5_cryptolocker
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Size
100KB
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MD5
347830a37bfa294327a5264c3e0f98d5
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SHA1
1021c0c768b47a5b666696228a566824c954d00a
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SHA256
b88b3922f488a784cde42791f8a545ff10d6bd3745e31ab24121f861de6a0482
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SHA512
f43d92fe3497cd2a50b858cb95c5fc54f46f0c692d796e8ef5d222aa986c3760be26b39c4f51665168c0224d3de42d742746f0260027c747a1b144717d6bf29c
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SSDEEP
768:XS5nQJ24LR1bytOOtEvwDpjNbZ7uyA36S7MpxRiWjz/66E:i5nkFGMOtEvwDpjNbwQEIikrU
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 2024-03-15_347830a37bfa294327a5264c3e0f98d5_cryptolocker
Files
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2024-03-15_347830a37bfa294327a5264c3e0f98d5_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