Static task
static1
Behavioral task
behavioral1
Sample
2024-02-23_4230a00f1a9e6743cf8cf9a8c2bcbf5a_cryptolocker.exe
Resource
win7-20240221-en
Behavioral task
behavioral2
Sample
2024-02-23_4230a00f1a9e6743cf8cf9a8c2bcbf5a_cryptolocker.exe
Resource
win10v2004-20240221-en
General
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Target
2024-02-23_4230a00f1a9e6743cf8cf9a8c2bcbf5a_cryptolocker
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Size
39KB
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MD5
4230a00f1a9e6743cf8cf9a8c2bcbf5a
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SHA1
b6e3299faac180b8f3c9816d2aa6dc7053efba94
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SHA256
941a65d7c51c6772b88aa8f5eaead84640ce95856ae1a2a0f7ceffdd9def3b77
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SHA512
8af5daad3412969f531746c057663c56f37ad4f51a386489bbe96a098e00168f4ac4101e7c7f1946acb1dd7be44376c89e1ca6a15b41721c102ed74f61f6288e
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SSDEEP
768:XS5nQJ24LR1bytOOtEvwDpj66BLbjG9Rva/yYft:i5nkFGMOtEvwDpjR+viHft
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 2024-02-23_4230a00f1a9e6743cf8cf9a8c2bcbf5a_cryptolocker
Files
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2024-02-23_4230a00f1a9e6743cf8cf9a8c2bcbf5a_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