Static task
static1
Behavioral task
behavioral1
Sample
2024-03-05_7a273e6a77af6573bf3dc1b3d674e7f1_cryptolocker.exe
Resource
win7-20240221-en
Behavioral task
behavioral2
Sample
2024-03-05_7a273e6a77af6573bf3dc1b3d674e7f1_cryptolocker.exe
Resource
win10v2004-20240226-en
General
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Target
2024-03-05_7a273e6a77af6573bf3dc1b3d674e7f1_cryptolocker
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Size
86KB
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MD5
7a273e6a77af6573bf3dc1b3d674e7f1
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SHA1
239305178719790766630e8a62777019dce81cdb
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SHA256
5838d0d46b7cacf3fe9b1af2febb0b94d0692943f0934c4bccb742a325badca1
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SHA512
d3853185a6ea88461ff1efed92cce296a4f92a3ebf94528ca3ee07128c9f75b88eb92cbb5043abca21d78d5bcc8f44d23471e52a302c01be6175859c8f7ff8e1
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SSDEEP
768:XS5nQJ24LR1bytOOtEvwDpjNbZ7uyA36S7MpxRXrZSUfFKazNclMjNUvzkxrW:i5nkFGMOtEvwDpjNbwQEI8UtzNcO8zB
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 2024-03-05_7a273e6a77af6573bf3dc1b3d674e7f1_cryptolocker
Files
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2024-03-05_7a273e6a77af6573bf3dc1b3d674e7f1_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