Static task
static1
Behavioral task
behavioral1
Sample
2024-02-14_b5917aca92b0450153dad25b944104dd_cryptolocker.exe
Resource
win7-20231215-en
Behavioral task
behavioral2
Sample
2024-02-14_b5917aca92b0450153dad25b944104dd_cryptolocker.exe
Resource
win10v2004-20231222-en
General
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Target
2024-02-14_b5917aca92b0450153dad25b944104dd_cryptolocker
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Size
40KB
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MD5
b5917aca92b0450153dad25b944104dd
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SHA1
5d5e16270a8119c5b004f8666b68913a757ee99d
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SHA256
de11b9689d913af4309b637e52ab09af8d8272a39913840144bf08064d14e1a7
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SHA512
73201aa30c8988bf1de197b46cbf595690786f1b0a864b294494ec08cd6e10e73de8ca9bf462c98d9fa3f939233fccfaa8fd2066ab7ecb402b4c1f37378b903e
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SSDEEP
768:TS5nQJ24LR7tOOtEvwDpjGqPhqlcnvhx5/xFRY+c:m5nkFNMOtEvwDpjG8hhXy+c
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 2024-02-14_b5917aca92b0450153dad25b944104dd_cryptolocker
Files
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2024-02-14_b5917aca92b0450153dad25b944104dd_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: 11KB - Virtual size: 10KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE