Static task
static1
Behavioral task
behavioral1
Sample
2024-01-27_bcc919ac6fdc1c7b2e6764cc143056d9_cryptolocker.exe
Resource
win7-20231129-en
Behavioral task
behavioral2
Sample
2024-01-27_bcc919ac6fdc1c7b2e6764cc143056d9_cryptolocker.exe
Resource
win10v2004-20231222-en
General
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Target
2024-01-27_bcc919ac6fdc1c7b2e6764cc143056d9_cryptolocker
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Size
85KB
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MD5
bcc919ac6fdc1c7b2e6764cc143056d9
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SHA1
7338adc0538145d3351cc738d4c4c3d4954b4961
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SHA256
8d4a682c02065960b39cf9c385ce1cbad5aa31e5957ebb349e5aeb03321a8cc7
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SHA512
43c32b2a113be273dcfdd6cc85cafe57055ae107af592a283a7a086c0d55a57abc5e5e6ecfa5fa34a567f9c118c8e7d5095ff30dc9abca3fe66da16353ce098d
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SSDEEP
768:XS5nQJ24LR1bytOOtEvwDpjNbZ7uyA36S7MpxRXrZSUfFKazNclMjNUvAcMQ:i5nkFGMOtEvwDpjNbwQEI8UtzNcO8AcD
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 2024-01-27_bcc919ac6fdc1c7b2e6764cc143056d9_cryptolocker
Files
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2024-01-27_bcc919ac6fdc1c7b2e6764cc143056d9_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