Static task
static1
Behavioral task
behavioral1
Sample
2024-03-27_a3f0aa821d8849404353321a04f30bb3_cryptolocker.exe
Resource
win7-20240215-en
Behavioral task
behavioral2
Sample
2024-03-27_a3f0aa821d8849404353321a04f30bb3_cryptolocker.exe
Resource
win10v2004-20240226-en
General
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Target
2024-03-27_a3f0aa821d8849404353321a04f30bb3_cryptolocker
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Size
46KB
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MD5
a3f0aa821d8849404353321a04f30bb3
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SHA1
3189f29a607e1401ded7a1b1ad8d78958e305a3a
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SHA256
85d390da82fa10ae2b70de4520134f20f520c4912c1285a9a2d37a7284f2e513
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SHA512
94772a20cf129d07b244eb30b41cb312af86a891caae631766163845013f65d46b54ff21818987166f39e2c060b8214d538cc7564ed261d1de3bbecbcf545fba
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SSDEEP
384:icX+ni9VCr5nQI021q4VQBqURYp055TOtOOtEvwDpjqIGR/hHi7/OlI0G/BdmRa:XS5nQJ24LR1bytOOtEvwDpjNbP/bm4
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 2024-03-27_a3f0aa821d8849404353321a04f30bb3_cryptolocker
Files
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2024-03-27_a3f0aa821d8849404353321a04f30bb3_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