Static task
static1
Behavioral task
behavioral1
Sample
2024-02-28_d90b9811f0a656d7c59559c982a51fc1_cryptolocker.exe
Resource
win7-20240221-en
Behavioral task
behavioral2
Sample
2024-02-28_d90b9811f0a656d7c59559c982a51fc1_cryptolocker.exe
Resource
win10v2004-20240226-en
General
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Target
2024-02-28_d90b9811f0a656d7c59559c982a51fc1_cryptolocker
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Size
40KB
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MD5
d90b9811f0a656d7c59559c982a51fc1
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SHA1
75ac0f85990209cdc9205ffa08a927f5b33b7402
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SHA256
b09919c54f3fc6b6816a64265757e98e884a6b557c81d30c0699ec39e2c80390
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SHA512
49d0a25d97b1ec1aa3e0380050dad1ac32b88a173355ade68724cd45f55a274001ec8085a151d9aa7662e8127b80595aa58bb30c168d0dfc9a714171d2f49856
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SSDEEP
768:TS5nQJ24LR7tOOtEvwDpjGqPhqlcnvgpnHY:m5nkFNMOtEvwDpjG8hgpHY
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 2024-02-28_d90b9811f0a656d7c59559c982a51fc1_cryptolocker
Files
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2024-02-28_d90b9811f0a656d7c59559c982a51fc1_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