Static task
static1
Behavioral task
behavioral1
Sample
2024-05-23_1f5a1a41a2282f5431b5b1cb53625088_cryptolocker.exe
Resource
win7-20240220-en
Behavioral task
behavioral2
Sample
2024-05-23_1f5a1a41a2282f5431b5b1cb53625088_cryptolocker.exe
Resource
win10v2004-20240226-en
General
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Target
2024-05-23_1f5a1a41a2282f5431b5b1cb53625088_cryptolocker
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Size
42KB
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MD5
1f5a1a41a2282f5431b5b1cb53625088
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SHA1
41d2c22300135253bb17ce811986aa86621cca91
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SHA256
19f26500b4e1d24bf3c292aaa62772cb2f596c3d330f80749afc5283a48a35d3
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SHA512
61be41db22dec8ffbe3f495b5033a727dbbe426098b993f80245521563e2f315df2fa5ddd27cd4fa72edae6c4102e1fc1056e3da3f93eeaa1465512e4aad1491
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SSDEEP
768:XS5nQJ24LR1bytOOtEvwDpj66BLbjG9Rva/yYshNhV:i5nkFGMOtEvwDpjR+viHshND
Malware Config
Signatures
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Detection of CryptoLocker Variants 1 IoCs
Processes:
resource yara_rule sample CryptoLocker_rule2 -
Detects executables built or packed with MPress PE compressor 1 IoCs
Processes:
resource yara_rule sample INDICATOR_EXE_Packed_MPress -
Unsigned PE 1 IoCs
Checks for missing Authenticode signature.
Processes:
resource 2024-05-23_1f5a1a41a2282f5431b5b1cb53625088_cryptolocker
Files
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2024-05-23_1f5a1a41a2282f5431b5b1cb53625088_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