Static task
static1
Behavioral task
behavioral1
Sample
2024-05-26_b4d7c45c5483d7c2773310dec20db313_cryptolocker.exe
Resource
win7-20240508-en
Behavioral task
behavioral2
Sample
2024-05-26_b4d7c45c5483d7c2773310dec20db313_cryptolocker.exe
Resource
win10v2004-20240226-en
General
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Target
2024-05-26_b4d7c45c5483d7c2773310dec20db313_cryptolocker
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Size
69KB
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MD5
b4d7c45c5483d7c2773310dec20db313
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SHA1
21784828e1f7cd81923e4343266db68788f0f69d
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SHA256
7ca578ed12600433124b6cb8ef25d84d6810b09b73a1471d7995d8e51cb08522
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SHA512
783909194e539848ea00a67e79b68543b5fd10d7f6f91248348eb3a7d14bd8e397bb455fe819b7b9f8abdb362317da512b2d4c15d382f22b31442a58e1126cee
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SSDEEP
768:XS5nQJ24LR1bytOOtEvwDpjNbZ7uyA36S7MpxRXrZSUNsYD/dc:i5nkFGMOtEvwDpjNbwQEI8UZDi
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 2024-05-26_b4d7c45c5483d7c2773310dec20db313_cryptolocker
Files
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2024-05-26_b4d7c45c5483d7c2773310dec20db313_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