Static task
static1
Behavioral task
behavioral1
Sample
2024-04-27_b31c93c7c1dc6495a6bb3e8faa88fbb2_cryptolocker.exe
Resource
win7-20240220-en
Behavioral task
behavioral2
Sample
2024-04-27_b31c93c7c1dc6495a6bb3e8faa88fbb2_cryptolocker.exe
Resource
win10v2004-20240419-en
General
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Target
2024-04-27_b31c93c7c1dc6495a6bb3e8faa88fbb2_cryptolocker
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Size
41KB
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MD5
b31c93c7c1dc6495a6bb3e8faa88fbb2
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SHA1
96478c04bbe0b20146967a585256df1e49c05081
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SHA256
03ec60a44015ca764d3f57c7569ba203439f4b0d354eefe7e033be034f2fb89f
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SHA512
183e5ce7617abcf5387b9ef51cee1026c65d3d3e08422c20cb32790c2fce71992752b0f6e42e0bdb020093b0345a68531fa7f8b32f4ee261da18ee347ff7f1cb
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SSDEEP
768:XS5nQJ24LR1bytOOtEvwDpj66BLbjG9Rva/yYsZZQ:i5nkFGMOtEvwDpjR+viHsg
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 2024-04-27_b31c93c7c1dc6495a6bb3e8faa88fbb2_cryptolocker
Files
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2024-04-27_b31c93c7c1dc6495a6bb3e8faa88fbb2_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