Static task
static1
Behavioral task
behavioral1
Sample
2024-04-16_b0878b5b7691db11bd5bf580dbef60d5_cryptolocker.exe
Resource
win7-20231129-en
Behavioral task
behavioral2
Sample
2024-04-16_b0878b5b7691db11bd5bf580dbef60d5_cryptolocker.exe
Resource
win10v2004-20240412-en
General
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Target
2024-04-16_b0878b5b7691db11bd5bf580dbef60d5_cryptolocker
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Size
40KB
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MD5
b0878b5b7691db11bd5bf580dbef60d5
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SHA1
c28ce0ce41d71812fa178fbca198aac3ed33872f
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SHA256
f41799319d42a71042b8e55a9c3fd9215f263a5ca3c82633849a708c8ba778c0
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SHA512
47fe9a0f812897cf7d54cf413facaced0de0dcfcb048c101dc0d8adb303174e29ba9a158ac872a81992ae7a1e7e8aebebeb2249badebab9e85bc093f6d0baad1
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SSDEEP
768:XS5nQJ24LR1bytOOtEvwDpj66BLbjG9Rva/yYs7:i5nkFGMOtEvwDpjR+viHs7
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_b0878b5b7691db11bd5bf580dbef60d5_cryptolocker
Files
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2024-04-16_b0878b5b7691db11bd5bf580dbef60d5_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