Static task
static1
Behavioral task
behavioral1
Sample
2024-02-28_836ac31c53b1eb0405dfe18f0eaea2c4_cryptolocker.exe
Resource
win7-20240221-en
Behavioral task
behavioral2
Sample
2024-02-28_836ac31c53b1eb0405dfe18f0eaea2c4_cryptolocker.exe
Resource
win10v2004-20240226-en
General
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Target
2024-02-28_836ac31c53b1eb0405dfe18f0eaea2c4_cryptolocker
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Size
85KB
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MD5
836ac31c53b1eb0405dfe18f0eaea2c4
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SHA1
ca10cc72924fd503fcc389f59b68ebccbb75b7eb
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SHA256
e142e4b25f22e6c2aeb6e08ff6f3bc731c822ebfac35238d2328ae9490eb3daf
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SHA512
7cf07679ca0b8baa923b12bec7a3dcda2eb73fa8865ec098a40a3dad84a4dddfc6a8c6012a9dd9a73d078f96f887b6d10a1d0d7edb534f0257e0b0a7b769795f
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SSDEEP
768:XS5nQJ24LR1bytOOtEvwDpjNbZ7uyA36S7MpxRXrZSUfFKazNclMjNUvxpRX:i5nkFGMOtEvwDpjNbwQEI8UtzNcO8J
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 2024-02-28_836ac31c53b1eb0405dfe18f0eaea2c4_cryptolocker
Files
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2024-02-28_836ac31c53b1eb0405dfe18f0eaea2c4_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