Static task
static1
Behavioral task
behavioral1
Sample
2024-02-17_bb99f3dec83e3def99cbeb51957adf11_cryptolocker.exe
Resource
win7-20231215-en
Behavioral task
behavioral2
Sample
2024-02-17_bb99f3dec83e3def99cbeb51957adf11_cryptolocker.exe
Resource
win10v2004-20231215-en
General
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Target
2024-02-17_bb99f3dec83e3def99cbeb51957adf11_cryptolocker
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Size
100KB
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MD5
bb99f3dec83e3def99cbeb51957adf11
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SHA1
85a513a3ca5934be90db1f0da07615c3c81defba
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SHA256
49a4011cce0deb8b8cb11ce44f0b5ce95c966d255d7be3b03e0c1fd1a5901565
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SHA512
bfeeeaaa4dcf1908a5c85df6a2078701c65fdc8ab0b31857a43d877d5b23de04741b368ee42a4b95254ecce9e2cde8f9a8b8071821a19dea87f4f03ac909fd25
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SSDEEP
768:XS5nQJ24LR1bytOOtEvwDpjNbZ7uyA36S7MpxRiWjzUNu5y:i5nkFGMOtEvwDpjNbwQEIikgNj
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 2024-02-17_bb99f3dec83e3def99cbeb51957adf11_cryptolocker
Files
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2024-02-17_bb99f3dec83e3def99cbeb51957adf11_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