Static task
static1
Behavioral task
behavioral1
Sample
2024-01-29_ef6b80a6e65b4db6e72f28dc90c3c485_cryptolocker.exe
Resource
win7-20231215-en
Behavioral task
behavioral2
Sample
2024-01-29_ef6b80a6e65b4db6e72f28dc90c3c485_cryptolocker.exe
Resource
win10v2004-20231222-en
General
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Target
2024-01-29_ef6b80a6e65b4db6e72f28dc90c3c485_cryptolocker
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Size
39KB
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MD5
ef6b80a6e65b4db6e72f28dc90c3c485
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SHA1
4cd40c2f7cc1cc20708aef99e41acb53d312287f
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SHA256
3ac57ee5cc53287cb8dd96b445ace415809ebc484f712d2b94d70644c913b6cc
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SHA512
5159bc5615432bfb92c7c95b4f475cd170b612e70e751bea186d0400d37140dd14671f6bce99bd390e7e8a63a30b239ba82c48cfea225e29c87b1d5987a10f29
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SSDEEP
768:TS5nQJ24LR7tOOtEvwDpjGqPhqlcnvgpnGi:m5nkFNMOtEvwDpjG8hgpz
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 2024-01-29_ef6b80a6e65b4db6e72f28dc90c3c485_cryptolocker
Files
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2024-01-29_ef6b80a6e65b4db6e72f28dc90c3c485_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: 11KB - Virtual size: 10KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE