Static task
static1
Behavioral task
behavioral1
Sample
2024-04-16_b7e3b8f65373910e8f1ce6247544e5f9_cryptolocker.exe
Resource
win7-20231129-en
Behavioral task
behavioral2
Sample
2024-04-16_b7e3b8f65373910e8f1ce6247544e5f9_cryptolocker.exe
Resource
win10v2004-20240412-en
General
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Target
2024-04-16_b7e3b8f65373910e8f1ce6247544e5f9_cryptolocker
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Size
86KB
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MD5
b7e3b8f65373910e8f1ce6247544e5f9
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SHA1
1e1ac9d82ed1a535f8f8163073515ccad07c4ead
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SHA256
f5f7d651cdc2c8517b6be13417b2768fac12c795b06bd1de23e08eb61fe39e21
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SHA512
dc5cc14e5c5685e114a44a0b9813f2e001a33c4cda7d8c4956d9c1738bb770949b56f3be27e67a233bbd30c66ec69e73690e16d97c3b4bc52005ca34fcd02db8
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SSDEEP
768:XS5nQJ24LR1bytOOtEvwDpjNbZ7uyA36S7MpxRXrZSUfFKazNclMjNUvxpRA:i5nkFGMOtEvwDpjNbwQEI8UtzNcO8a
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 2024-04-16_b7e3b8f65373910e8f1ce6247544e5f9_cryptolocker
Files
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2024-04-16_b7e3b8f65373910e8f1ce6247544e5f9_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