Static task
static1
Behavioral task
behavioral1
Sample
2024-04-15_7b990cff51cee73f49efdda0a6f2ccd4_cryptolocker.exe
Resource
win7-20240221-en
Behavioral task
behavioral2
Sample
2024-04-15_7b990cff51cee73f49efdda0a6f2ccd4_cryptolocker.exe
Resource
win10v2004-20240226-en
General
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Target
2024-04-15_7b990cff51cee73f49efdda0a6f2ccd4_cryptolocker
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Size
40KB
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MD5
7b990cff51cee73f49efdda0a6f2ccd4
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SHA1
6902ff865d5108225a17ea4015f6d3302ae08b9a
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SHA256
83ed88511dfbcf44a92b95f4e3bdf57d787beac1279fd5019769497bc960eaef
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SHA512
e84152087e23dfce40c0b7a15f149f161d09138baed19593354e9269f022728e79cb9a177c9388aa34f4111c770afe28ab7c7517bcf4486018d713253c5c7d6e
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SSDEEP
768:XS5nQJ24LR1bytOOtEvwDpj66BLbjG9Rva/yYsu:i5nkFGMOtEvwDpjR+viHsu
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 2024-04-15_7b990cff51cee73f49efdda0a6f2ccd4_cryptolocker
Files
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2024-04-15_7b990cff51cee73f49efdda0a6f2ccd4_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