Static task
static1
Behavioral task
behavioral1
Sample
2024-04-15_b923e7b74ba45641e11559d697b98c14_cryptolocker.exe
Resource
win7-20240221-en
Behavioral task
behavioral2
Sample
2024-04-15_b923e7b74ba45641e11559d697b98c14_cryptolocker.exe
Resource
win10v2004-20240226-en
General
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Target
2024-04-15_b923e7b74ba45641e11559d697b98c14_cryptolocker
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Size
40KB
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MD5
b923e7b74ba45641e11559d697b98c14
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SHA1
af428bc340dcfa52b860341f8650561559f5b0f5
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SHA256
cd1d933e5dd0c8b53c84a09eb790ab5fdc33c8af383f6c6804e861bb0f7d6ff2
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SHA512
3166d4d620991892a9012fa773f70bc4a211b884aabb1d8a2570682f524a661de3481fade0544aec7836485da4c518f685b54829ae3e01c7fa98e5ec0ed52eb4
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SSDEEP
768:XS5nQJ24LR1bytOOtEvwDpj66BLbjG9Rva/yYsG:i5nkFGMOtEvwDpjR+viHsG
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 2024-04-15_b923e7b74ba45641e11559d697b98c14_cryptolocker
Files
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2024-04-15_b923e7b74ba45641e11559d697b98c14_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